CN220288916U - Leakage detection equipment of corrugated pipe energy accumulator - Google Patents
Leakage detection equipment of corrugated pipe energy accumulator Download PDFInfo
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- CN220288916U CN220288916U CN202321788638.7U CN202321788638U CN220288916U CN 220288916 U CN220288916 U CN 220288916U CN 202321788638 U CN202321788638 U CN 202321788638U CN 220288916 U CN220288916 U CN 220288916U
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- leak detection
- corrugated pipe
- accumulator
- pressing
- base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a leak detection device of a corrugated pipe energy accumulator, comprising: a base, a pressing mechanism and a leak detector; the base is provided with a leak detection cavity and a supporting part, the top of the leak detection cavity is provided with a sealing interface for a corrugated pipe energy accumulator to pass through, the leak detection cavity is also internally provided with a sampling port, and the supporting part is arranged around the sealing interface; the pressing mechanism comprises a pressing plate and a pressing driving assembly, the pressing plate is arranged above the base in a lifting manner, and a filling hole communicated with the corrugated pipe energy accumulator is formed in the pressing plate. The leakage detection device of the corrugated pipe energy accumulator can perform leakage detection on the corrugated pipe energy accumulator through the trace gas after the corrugated pipe energy accumulator is stably fixed, the trace gas can select helium with strong penetrability, the leakage detection accuracy is effectively improved, the condition that some tiny cracks, leakage holes and other leakage points are difficult to detect is avoided, and the leakage detection efficiency is higher than that of a water test method.
Description
Technical Field
The utility model relates to the technical field of vacuum leak detection, in particular to leak detection equipment of a corrugated pipe energy accumulator.
Background
The bellows accumulator is a device for storing energy in a hydraulic system, and can absorb impact in a hydraulic oil way at proper time and supplement oil quantity for the system, so that the pressure in the whole hydraulic system is ensured to be normal, and various bellows accumulators are available on the market at present.
The common leak hunting mode of bellows accumulator adopts the water test to leak hunting, fills the cavity of bellows accumulator with the air of certain pressure first and then soaks it in water, and the staff is in the condition emergence of judging whether there is the external leak in the cavity of bellows accumulator of observation whether there is bubble in water, but water is difficult to pass some subtle leak points, therefore can have the condition of mistake leak hunting and detection.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art and provides leakage detection equipment for a corrugated pipe energy accumulator.
One embodiment of the present utility model provides a leak detection apparatus for a bellows accumulator, comprising: a base, a pressing mechanism and a leak detector;
the base is provided with a leak detection cavity and a supporting part, the top of the leak detection cavity is provided with a sealing interface for the corrugated pipe energy accumulator to pass through, the leak detection cavity is also internally provided with a sampling port, and the supporting part is arranged around the sealing interface and is used for supporting the corrugated pipe energy accumulator;
the pressing mechanism comprises a pressing plate and a pressing driving assembly, the pressing plate is arranged above the base in a lifting manner through the pressing driving assembly and used for pressing the corrugated pipe energy accumulator on the supporting part, and a filling hole used for being communicated with the corrugated pipe energy accumulator is formed in the pressing plate;
the leak detector is communicated with the leak detection cavity through the sampling port.
Compared with the prior art, the leakage detection equipment of the corrugated pipe energy accumulator can perform leakage detection on the corrugated pipe energy accumulator through the trace gas after the corrugated pipe energy accumulator is stably fixed, the trace gas can select helium with strong penetrability, the leakage detection accuracy is effectively improved, the condition that some tiny cracks, leakage holes and other leakage points are difficult to detect is avoided, and the leakage detection efficiency is higher than that of a water test method.
In some optional embodiments, a first elastic sealing ring is disposed at the bottom of the lower pressure plate, the first elastic sealing ring is disposed around the filling hole, and when the lower pressure plate is pressed against the bellows accumulator after the lower pressure plate is driven to descend by the lower pressure driving assembly, the first elastic sealing ring is located between the lower pressure plate and the bellows accumulator.
In some alternative embodiments, the support portion is provided with an annular positioning groove, and the annular positioning groove is matched with the corrugated pipe energy accumulator in a positioning way.
In some optional embodiments, the base is provided with a positioning groove, a vacuum seat and a top cover, a part of the vacuum seat is arranged in the positioning groove in a penetrating manner, the top cover is arranged at the top of the vacuum seat and surrounds the vacuum seat to form the leak detection cavity, the top cover is provided with a plurality of locking pieces, the locking pieces are detachably connected with the vacuum seat, and the sealing interface and the supporting part are arranged on the top cover.
In some alternative embodiments, the locking member is a threaded locking member that is threadedly engaged with the vacuum seat.
In some alternative embodiments, a second elastic sealing ring is arranged between the vacuum seat and the top cover, and the second elastic sealing ring is arranged around the leak detection cavity.
In some alternative embodiments, the base is provided with a top plate and a plurality of support columns, the top plate is disposed above the base, the plurality of support columns are uniformly disposed between the top plate and the base, and the pressing-down driving assembly is disposed on the top plate.
In some alternative embodiments, a plurality of guide posts are disposed on the lower platen, the plurality of guide posts are uniformly disposed around the lower drive assembly, and a plurality of guide holes are disposed on the top plate, and the guide posts are slidably engaged with the guide holes.
In some alternative embodiments, the push-down drive assembly is a pneumatic, hydraulic, or electric cylinder.
In some alternative embodiments, a third elastic sealing ring is provided on the support, the third elastic sealing ring being arranged around the sealing interface.
In order that the utility model may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a leak detection apparatus for a bellows accumulator according to one embodiment of the present utility model;
FIG. 2 is a schematic diagram of one side of a leak detection apparatus for a bellows accumulator in accordance with one embodiment of the present utility model;
fig. 3 is a cross-sectional view of a leak detection apparatus for a bellows accumulator in accordance with one embodiment of the present utility model;
fig. 4 is an enlarged view at a shown in fig. 3.
Reference numerals illustrate:
10. a base; 11. a leak detection cavity; 111. sealing the interface; 112. a sampling port; 12. a support part; 121. an annular positioning groove; 122. a third elastic sealing ring; 13. a positioning groove; 14. a vacuum seat; 15. a top cover; 16. a locking member; 17. a second elastic sealing ring; 18. a top plate; 19. a support column; 20. a pressing mechanism; 21. a lower pressing plate; 22. pressing down the driving assembly; 23. a filling hole; 24. a first elastic sealing ring; 25. a guide post; 30. a bellows accumulator; 31. a boss; 32. an inner cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is 2 or more, and the meaning of "several" is 1 or more. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated unless otherwise indicated.
Referring to fig. 1, a schematic structural diagram of a leak detection apparatus for a bellows accumulator according to an embodiment of the present utility model includes: base 10, hold down mechanism 20, and leak detector.
Referring to fig. 2 to 4, fig. 2 is a schematic structural view of one side of a leak detection apparatus for a bellows accumulator according to an embodiment of the present utility model, fig. 3 is a cross-sectional view of the leak detection apparatus for a bellows accumulator according to an embodiment of the present utility model, fig. 4 is an enlarged view of a portion a shown in fig. 3, a leak detection chamber 11 and a support portion 12 are provided on a base 10, a sealing interface 111 through which a bellows accumulator 30 passes is provided on a top portion of the leak detection chamber 11, a sampling port 112 is further provided in the leak detection chamber 11, and the support portion 12 is disposed around the sealing interface 111 for supporting the bellows accumulator 30; the pressing mechanism 20 comprises a pressing plate 21 and a pressing driving assembly 22, the pressing plate 21 is arranged above the base 10 in a lifting manner through the pressing driving assembly 22 and is used for pressing the corrugated pipe energy accumulator 30 on the supporting part 12, and a filling hole 23 used for communicating with the corrugated pipe energy accumulator 30 is formed in the pressing plate 21; the leak detector communicates with leak detection chamber 11 through sampling port 112.
Before leak detection, a trace gas source, which may be helium or other gas, is placed in communication with fill hole 23, without limitation. When in leak detection, the corrugated pipe accumulator 30 is placed on the base 10, the side surface of the corrugated pipe accumulator 30 is provided with an annular protruding part 31, the protruding part 31 is abutted against the supporting part 12, the corrugated pipe accumulator 30 stretches into the leak detection cavity 11, and only the top of the corrugated pipe accumulator 30 and the protruding part 31 are exposed on the base 10. Next, the pressing-down driving assembly 22 drives the pressing-down plate 21 to descend, so that the pressing-down plate 21 presses on the top of the bellows accumulator 30 and the protruding portion 31 is tightly pressed against the supporting portion 12, and the filling hole 23 on the pressing-down plate 21 is communicated to the inner cavity 32 of the bellows accumulator 30 through the interface on the top of the bellows accumulator 30. Finally, the tracer gas source charges the inner cavity 32 of the bellows accumulator 30 with the tracer gas through the charging hole 23, the leak detector detects whether the leak detection cavity 11 has the tracer gas, and if the leak detection cavity 11 has the tracer gas, it indicates that the bellows accumulator 30 has an external leak, and the bellows accumulator 30 is not qualified.
To improve the tightness between the filling hole 23 and the interface at the top of the bellows accumulator 30, in some alternative embodiments, a first elastic sealing ring 24 is disposed at the bottom of the lower platen 21, the first elastic sealing ring 24 is disposed around the filling hole 23, and when the lower platen 21 is pressed against the bellows accumulator 30 after the lower platen 21 is driven to descend by the lower driving assembly 22, the first elastic sealing ring 24 is located between the lower platen 21 and the bellows accumulator 30, and the first elastic sealing ring 24 is disposed around the interface between the filling hole 23 and the top of the bellows accumulator 30, and the lower platen 21 is pressed against the base 10.
To facilitate improving stability of the bellows accumulator 30, in some alternative embodiments, the support 12 is provided with an annular positioning groove 13121, and after the bellows accumulator 30 is placed on the base 10, the protrusion 31 of the bellows accumulator 30 extends into the annular positioning groove 13121, so that the annular positioning groove 13121 is in positioning engagement with the bellows accumulator 30.
For convenience in production and assembly, in some alternative embodiments, the base 10 is provided with a positioning groove 13, a vacuum seat 14 and a top cover 15, part of the vacuum seat 14 is penetrated in the positioning groove 13, and the top cover 15 is arranged on the top of the vacuum seat 14 and surrounds the leak detection cavity 11 together with the vacuum seat 14, so that the leak detection cavity 11 is formed conveniently; the top cover 15 is provided with a plurality of locking members 16, and the locking members 16 are detachably connected with the vacuum seat 14, so that the top cover 15 and the vacuum seat 14 are locked, and the sealing interface 111 and the supporting portion 12 are arranged on the top cover 15. In the present embodiment, the sampling port is provided at the bottom of the vacuum seat 14.
The specific configuration of retaining member 16 may be designed according to the actual needs, for example, in some alternative embodiments retaining member 16 is a threaded retaining member 16, retaining member 16 being threadedly engaged with vacuum seat 14.
In order to improve the tightness between the vacuum seat 14 and the top cover 15, in some alternative embodiments, a second elastic sealing ring 17 is arranged between the vacuum seat 14 and the top cover 15, the second elastic sealing ring 17 being arranged around the leak detection chamber 11.
The elastic sealing ring can be designed according to practical needs, for example, a silica gel ring or a rubber ring can be adopted as the elastic sealing ring, and the utility model is not limited to the example.
To facilitate the production assembly, in some alternative embodiments, the base 10 is provided with a top plate 18 and a plurality of support columns 19, the top plate 18 is disposed above the base 10, the plurality of support columns 19 are uniformly disposed between the top plate 18 and the base 10, the push-down drive assembly 22 is disposed on the top plate 18, and the push-down plate 21 is disposed between the top plate 18 and the base 10.
In some alternative embodiments, the lower platen 21 is provided with a plurality of guide posts 25, the plurality of guide posts 25 are uniformly arranged around the lower drive assembly 22, the top plate 18 is provided with a plurality of guide holes, the guide posts 25 are slidably matched with the guide holes, the guide posts 25 are used for improving the moving stability of the lower platen 21, and the offset position or the offset angle of the lower platen 21 relative to the bellows accumulator 30 can also be avoided.
The specific configuration of the hold-down drive assembly 22 may be designed according to actual needs, for example, in some alternative embodiments, the hold-down drive assembly 22 is a pneumatic, hydraulic, or electric cylinder.
In some alternative embodiments, a third elastic sealing ring 122 is provided on the support 12, and the third elastic sealing ring 122 is disposed around the sealing interface 111. The bulge 31 of the bellows Guan Chuneng device 30 presses the third elastic sealing ring 122 against the support 12, so that the tightness between the bellows accumulator 30 and the sealing interface 111 is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A leak detection apparatus for a bellows accumulator, comprising: a base, a pressing mechanism and a leak detector;
the base is provided with a leak detection cavity and a supporting part, the top of the leak detection cavity is provided with a sealing interface for the corrugated pipe energy accumulator to pass through, the leak detection cavity is also internally provided with a sampling port, and the supporting part is arranged around the sealing interface and is used for supporting the corrugated pipe energy accumulator;
the pressing mechanism comprises a pressing plate and a pressing driving assembly, the pressing plate is arranged above the base in a lifting manner through the pressing driving assembly and used for pressing the corrugated pipe energy accumulator on the supporting part, and a filling hole used for being communicated with the corrugated pipe energy accumulator is formed in the pressing plate;
the leak detector is communicated with the leak detection cavity through the sampling port.
2. A bellows accumulator leak detection apparatus as defined in claim 1, wherein: the bottom of holding down plate is provided with first elastic sealing washer, first elastic sealing washer encircles fill the hole and arrange, push down the drive assembly drive after the holding down plate descends, the holding down plate supports when pressing on the bellows accumulator, first elastic sealing washer is located between holding down plate and the bellows accumulator.
3. A bellows accumulator leak detection apparatus as defined in claim 1, wherein: the support part is provided with an annular positioning groove which is matched with the corrugated pipe energy accumulator in a positioning way.
4. A bellows accumulator leak detection apparatus as defined in claim 1, wherein: the base is provided with a positioning groove, a vacuum seat and a top cover, a part of the vacuum seat is arranged in the positioning groove in a penetrating mode, the top cover is arranged at the top of the vacuum seat and surrounds the vacuum seat together to form the leak detection cavity, the top cover is provided with a plurality of locking pieces, the locking pieces are detachably connected with the vacuum seat, and the sealing interface and the supporting portion are arranged on the top cover.
5. The apparatus for leak detection of a bellows accumulator according to claim 4, wherein: the locking piece is a threaded locking piece, and the locking piece is in threaded fit with the vacuum seat.
6. The apparatus for leak detection of a bellows accumulator according to claim 4, wherein: a second elastic sealing ring is arranged between the vacuum seat and the top cover and surrounds the leak detection cavity.
7. A bellows accumulator leak detection apparatus according to any one of claims 1 to 6, wherein: the base is provided with a top plate and a plurality of support columns, the top plate is arranged above the base, the support columns are uniformly arranged between the top plate and the base, and the pressing driving assembly is arranged on the top plate.
8. A bellows accumulator leak detection apparatus as defined in claim 7, wherein: the lower pressing plate is provided with a plurality of guide posts, the guide posts are uniformly arranged around the lower pressing driving assembly, the top plate is provided with a plurality of guide holes, and the guide posts are in sliding fit with the guide holes.
9. A bellows accumulator leak detection apparatus according to any one of claims 1 to 6, wherein: the pushing driving assembly is an air cylinder, a hydraulic cylinder or an electric cylinder.
10. A bellows accumulator leak detection apparatus according to any one of claims 1 to 6, wherein: the support part is provided with a third elastic sealing ring, and the third elastic sealing ring is arranged around the sealing interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788638.7U CN220288916U (en) | 2023-07-07 | 2023-07-07 | Leakage detection equipment of corrugated pipe energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788638.7U CN220288916U (en) | 2023-07-07 | 2023-07-07 | Leakage detection equipment of corrugated pipe energy accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288916U true CN220288916U (en) | 2024-01-02 |
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ID=89326373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321788638.7U Active CN220288916U (en) | 2023-07-07 | 2023-07-07 | Leakage detection equipment of corrugated pipe energy accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288916U (en) |
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2023
- 2023-07-07 CN CN202321788638.7U patent/CN220288916U/en active Active
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