CN202972314U - Special pressurizing joint for hydrostatic testing of pressure vessel - Google Patents
Special pressurizing joint for hydrostatic testing of pressure vessel Download PDFInfo
- Publication number
- CN202972314U CN202972314U CN 201220703368 CN201220703368U CN202972314U CN 202972314 U CN202972314 U CN 202972314U CN 201220703368 CN201220703368 CN 201220703368 CN 201220703368 U CN201220703368 U CN 201220703368U CN 202972314 U CN202972314 U CN 202972314U
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- core bar
- pressure vessel
- eccentric
- eccentric wheel
- special use
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Abstract
The utility model relates to a special pressurizing joint for hydrostatic testing of a pressure vessel. The special pressurizing joint is characterized by comprising a core bar. A threaded joint for being connected with a pressure vessel opening is rotatably sleeved in the middle of the core bar, a nut is fixed at the lower end of the core bar, an elastic sealing ring and a spacer are sleeved on the core bar between the threaded joint and the nut; a counterweight plate is fixedly connected at the upper end of the threaded joint through a large locking nut, an eccentric wheel mechanism is connected to the upper portion of the core bar, an operation handle is connected with an eccentric wheel of the eccentric wheel mechanism, and the eccentric wheel of the eccentric wheel mechanism abuts against the upper surface of the large nut. According to the special pressurizing joint, the structure is simple and compact, the operation is convenient, the sealing is reliable, the threaded joint relies on inertia effects of the counterweight plate and counterweight pins to be screwed into or out of the pressure vessel opening rapidly, and the eccentric wheel mechanism is used for compressing or loosening the elastic sealing ring rapidly for sealing the pressure vessel opening rapidly, so that the labor intensity of workers is reduced, and the testing efficiency is improved.
Description
Technical field
The utility model relates to a kind of pressurized container applied voltage test device, especially relates to a kind of hydraulic test of pressure vessel special use and suppresses joint, is used for being tightly connected of pressurized container import and export during test.
Background technique
When pressurized container is carried out the applied voltage test of variety of way, sealing means between the internal thread of the inipple that testing installation is used and pressurized container import and export, usually adopt the outer surface of inipple be wound around raw meal belt or be coated with sealer, then, inipple is tightened on the pressurized container import and export, reaches seal request.This test mode workman's labor intensity is large, sealing is unreliable, operating efficiency is low.in order to solve the above problems, publication number is that the 101457859A(name is called " inner pressure sealed type screwed joint ") patent documentation in a kind of inipple is disclosed, adopt the elastic packing packing ring in the mode of pressurized container import and export Expansion sealing, solved the insecure problem of sealing, but, in use, still need at first manually inipple to be tightened on the pressurized container import and export, then, the compression-expansion of elastic packing packing ring also needs to rely on the rotation screw thread to realize, after test is completed, the process that need to unclamp screw thread twice equally, therefore, whole operating process is still comparatively loaded down with trivial details, workman's labor intensity is still larger, and the efficient of test jobs is also lower.
The model utility content
The applicant is studied improvement for above-mentioned problem, provides a kind of hydraulic test of pressure vessel special use to suppress joint, and is simple and compact for structure, easy to operate, and sealing is reliable, alleviates workman's labor intensity, improves the efficient of test jobs.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme:
Joint is suppressed in a kind of hydraulic test of pressure vessel special use, comprise core bar, the inipple that is used for the import and export of Bonding pressure container rotatably is sleeved in the middle part of described core bar, described core bar lower end is installed with nut, on the described inipple and the described core bar between described nut of elastic seal ring and pad suit; Balancing disk is fixedly connected on the upper end of described inipple by large and cap, eccentric mechanism connects the top of described core bar, and operating grip connects the eccentric wheel of described eccentric mechanism, and the eccentric wheel of described eccentric mechanism offsets with the described greatly also upper surface of cap.
Further:
Described eccentric mechanism comprises the eccentric wheel that is arranged on both sides, described core bar top, and eccentric key is fixedly mounted on the both sides of described core bar, and described eccentric wheel rotatably is sleeved on described eccentric key.
Described operating grip is U-shaped connecting handle, and described U-shaped connecting handle is connected to two described eccentric outsides, and described U-shaped connecting handle and described core bar axis are the 45° angle setting, and handlebar connects described U-shaped connecting handle.
Described eccentric wheel is rounded, and described eccentric throw of eccentric is between 1 ~ 5 millimeter.
The below of described balancing disk outer end is symmetrically arranged with two counterweight pins at least.
Described balancing disk is square, and 4 counterweight pins are symmetricly set on 4 corner points of described balancing disk.
Be provided with the distance cover between described nut and described pad.
Described elastic seal ring is silica gel sealing ring.
Technique effect of the present utility model is:
Joint is suppressed in the disclosed a kind of hydraulic test of pressure vessel special use of the utility model, simple and compact for structure, easy to operate, sealing is reliable, inipple relies on effect of inertia precession or the back-out in pressurized container is imported and exported fast of balancing disk and counterweight pin, and utilize the eccentric mechanism Fast Compression or loosen elastic seal ring and import and export in order to the quick-sealing pressurized container, alleviating workman's labor intensity, improving the efficient of test jobs.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Fig. 1 ~ 3, the utility model comprises core bar 13, core bar 13 is provided with through hole 1301, the upper end is provided with internal thread interface 1302, core bar 13 lower end cut-in pressure internal tanks during test, the internal thread interface 1302 of upper end is used for jointing, and test water, gas or other test(ing) medium enter into pressurized container inside by through hole 1301.Inipple 5 rotatably is sleeved on core bar 13 middle parts, is Spielpassung between inipple 5 and core bar 13, and the outer surface of inipple 5 is provided with the outside thread that the internal thread imported and exported with pressurized container is complementary.The lower end of core bar 13 is installed with nut 1, on the inipple 5 and the core bar 13 between nut 1 of elastic seal ring 4 and pad 3 suits, elastic seal ring 4 is silica gel sealing ring, be provided with distance cover 2 between nut 1 and pad 3, available different distance cover 2 is adjusted decrement and the elasticity of elastic seal ring 4.Balancing disk 8 is connected with the boss of inipple 5 by pin 801 and uses large also cap 9 to be fixedly connected on the upper end of inipple 5, the below of balancing disk 8 outer ends is symmetrically arranged with two counterweight pins 6 at least, in the present embodiment, balancing disk 8 is square, 4 counterweight pins 6 are symmetricly set on 4 corner points of balancing disk 8, and counterweight pin 6 is fixedly connected with balancing disk 8 by screw 7.Eccentric mechanism 100 connects the top of core bar 13, eccentric mechanism 100 comprises the eccentric wheel 12 that is arranged on both sides, core bar top, eccentric key 10 is fixedly mounted on the both sides of core bar 13 by the screw head of front end, eccentric wheel 12 rotatably is sleeved on eccentric key 10, the eccentric wheel 12 of eccentric mechanism 100 offsets with the upper surface of large and cap 9, and eccentric wheel 12 is rounded, and eccentric wheel 12 throw of eccentric A in the horizontal direction is between 1 ~ 5 millimeter, in the present embodiment, this throw of eccentric A is 2.5 millimeters.Operating grip comprises U-shaped connecting handle 14 and handlebar 15, and handlebar 15 connects U-shaped connecting handle 14, and U-shaped connecting handle 14 is connected to the outside of two eccentric wheels 12 by screw 11, and U-shaped connecting handle 14 is the 45° angle setting with the axis of core bar 13.
Working procedure of the present utility model:
1, grasp the handlebar 15 that joint is suppressed in special use, under Action of Gravity Field, U-shaped connecting handle 14 is in plumbness, and is parallel with the axis of core bar 13, at this moment, elastic seal ring 4 in the raw, not by compression; Nut 1, elastic seal ring 4 and the pad 3 of core bar 13 lower ends are inserted the pressurized container import and export, inipple 5 is aimed at pressurized containers import and export;
2, rotation balancing disk 8 makes inipple 5 screw in pressurized containers and imports and exports, and can firmly rotate balancing disk 8 this moment, under the effect of inertia of balancing disk 8 and counterweight pin 6, and inipple 5 quick rotation and screw in pressurized container and import and export on core bar 13;
3, after the pressurized container import and export screw inipple 5, handlebar 15 and U-shaped connecting handle 14 are pressed down (as arrow B direction in Fig. 2), under the effect of eccentric wheel 12, core bar 13 moves up, drive simultaneously nut 1 and pad 4 upwards pushes elastic seal ring 4, make elastic seal ring 4 pressurizeds to inside and outside expansion, elastic seal ring 4 outwards expands and reaches the sealing of importing and exporting internal surface with pressurized container, elastic seal ring 4 inwardly shrinks simultaneously, reaches the seal request with core bar 13 outer surfaces; Handlebar 15 and U-shaped connecting handle 14 are pressed down minimum point, and elastic seal ring 4 is subjected to compression swelling to reach pre-sealed requirement;
4, injection test water, gas or other test(ing) medium, along with the rising of test(ing) medium pressure, elastic seal ring 4 distortion strengthen, and reach seal request fully;
5, after off-test, with the pressurized container release, elastic seal ring 4 bounces back to a certain extent, then, handlebar 15 and U-shaped connecting handle 14 are lifted (as Fig. 2, with the arrow B opposite direction), core bar 13 is moved down, elastic seal ring 4 resets fully, at this moment, and counterrotating balancing disk 8, under the effect of inertia of balancing disk 8 and counterweight pin 6, inipple 5 screws out from pressurized container is imported and exported fast, grasps handlebar 15 the joint taking-up is suppressed in special use, completes test.
In whole working procedure, inipple 5 relies on effect of inertia precession or the back-out from pressurized container is imported and exported fast of balancing disk 8 and counterweight pin 6, and utilize the eccentric mechanism Fast Compression or loosen elastic seal ring 4, on the basis that guarantees seal request, alleviate workman's labor intensity, improve the efficient of test jobs.
Claims (8)
1. joint is suppressed in a hydraulic test of pressure vessel special use, it is characterized in that: comprise core bar, the inipple that is used for the import and export of Bonding pressure container rotatably is sleeved in the middle part of described core bar, described core bar lower end is installed with nut, on the described inipple and the described core bar between described nut of elastic seal ring and pad suit; Balancing disk is fixedly connected on the upper end of described inipple by large and cap, eccentric mechanism connects the top of described core bar, and operating grip connects the eccentric wheel of described eccentric mechanism, and the eccentric wheel of described eccentric mechanism offsets with the described greatly also upper surface of cap.
2. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 1, it is characterized in that: described eccentric mechanism comprises the eccentric wheel that is arranged on both sides, described core bar top, eccentric key is fixedly mounted on the both sides of described core bar, and described eccentric wheel rotatably is sleeved on described eccentric key.
3. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 2, it is characterized in that: described operating grip is U-shaped connecting handle, described U-shaped connecting handle is connected to two described eccentric outsides, described U-shaped connecting handle and described core bar axis are the 45° angle setting, and handlebar connects described U-shaped connecting handle.
4. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 3, it is characterized in that: described eccentric wheel is rounded, and described eccentric throw of eccentric is between 1 ~ 5 millimeter.
5. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 1, it is characterized in that: the below of described balancing disk outer end is symmetrically arranged with two counterweight pins at least.
6. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 5, it is characterized in that: described balancing disk is square, and 4 counterweight pins are symmetricly set on 4 corner points of described balancing disk.
7. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 1, it is characterized in that: be provided with the distance cover between described nut and described pad.
8. suppress joint according to hydraulic test of pressure vessel special use claimed in claim 1, it is characterized in that: described elastic seal ring is silica gel sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703368 CN202972314U (en) | 2012-12-19 | 2012-12-19 | Special pressurizing joint for hydrostatic testing of pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703368 CN202972314U (en) | 2012-12-19 | 2012-12-19 | Special pressurizing joint for hydrostatic testing of pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202972314U true CN202972314U (en) | 2013-06-05 |
Family
ID=48513389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220703368 Expired - Fee Related CN202972314U (en) | 2012-12-19 | 2012-12-19 | Special pressurizing joint for hydrostatic testing of pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202972314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996956A (en) * | 2012-12-19 | 2013-03-27 | 无锡昌华机电制造有限公司 | Special pressurizing joint for hydraulic pressure test of pressure container |
-
2012
- 2012-12-19 CN CN 201220703368 patent/CN202972314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996956A (en) * | 2012-12-19 | 2013-03-27 | 无锡昌华机电制造有限公司 | Special pressurizing joint for hydraulic pressure test of pressure container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |