CN213598569U - Connecting rod type hydrostatic test sealing tool for water inlet section chamber of sectional type water feed pump - Google Patents
Connecting rod type hydrostatic test sealing tool for water inlet section chamber of sectional type water feed pump Download PDFInfo
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- CN213598569U CN213598569U CN202022045037.XU CN202022045037U CN213598569U CN 213598569 U CN213598569 U CN 213598569U CN 202022045037 U CN202022045037 U CN 202022045037U CN 213598569 U CN213598569 U CN 213598569U
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Abstract
The utility model discloses a connecting rod formula hydrostatic test sealing tool that is used for festival segmentation feed pump to intake section cavity, include: the rod-type threaded blank cap comprises a first cylindrical part, a second cylindrical part and a third cylindrical part which are connected, wherein a first threaded hole is axially arranged on the first cylindrical part, and a first threaded groove is arranged along the periphery of the first cylindrical part; a second thread groove is formed in the periphery of the third cylindrical part, and an external thread is arranged at the tail end of the third cylindrical part; the blank cap with the central hole is arranged on the periphery of a third cylindrical part of the rod-type threaded blank cap through the central hole, the blank cap with the central hole comprises a fourth cylindrical part and a fifth cylindrical part which are connected, a third thread groove is arranged on the periphery of the fourth cylindrical part, and a pair of second thread holes are axially arranged on the fifth cylindrical part; the nut is detachably arranged on the peripheral thread, and the rod-type thread blank cap and the blank cap with the central hole are tightly arranged together. The utility model discloses can carry out effectual sealing with the section cavity of intaking of festival segmentation boiler feed pump to carry out hydrostatic test.
Description
Technical Field
The utility model relates to a hydrostatic test instrument, concretely relates to connecting rod formula hydrostatic test sealing tool that is used for festival segmentation feed pump intake section cavity.
Background
The sectional boiler feed pump is widely applied to thermal power generation systems of various units, is important auxiliary equipment of a power station, and mainly provides high-pressure water for a boiler. In order to ensure that a water supply pump of a power plant can operate efficiently without leakage for a long time, all equipment can leave a factory after being qualified through a water pressure test before leaving the factory. The water pressure test of the feed pump generally adopts a flange-type blank cap to seal the cavity, but as shown in fig. 2, the blank cap is installed without a corresponding bolt hole on the left end surface of the water inlet section cavity of the sectional boiler feed pump, so that a sealing tool with simple structure and reliable installation is necessary to design a set of sealing tool for performing the water pressure test of the water inlet section cavity of the sectional boiler feed pump.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the utility model aims to provide a connecting rod formula hydrostatic test sealing tool that is used for festival segmentation feed pump to intake section cavity.
A connecting rod type hydrostatic test sealing tool for a water inlet section chamber of a sectional type water feed pump comprises:
the rod-type threaded blank cap comprises a first cylindrical part, a second cylindrical part and a third cylindrical part which are connected, wherein a first threaded hole is axially arranged on the first cylindrical part, and a first threaded groove is arranged along the periphery of the first cylindrical part; a second thread groove is formed in the periphery of the third cylindrical part, and an external thread is formed at the tail end of the third cylindrical part;
the blank cap with the central hole is arranged on the periphery of the third cylindrical part of the rod-type threaded blank cap through the central hole, the blank cap with the central hole comprises a fourth cylindrical part and a fifth cylindrical part which are connected, a third thread groove is arranged on the periphery of the fourth cylindrical part, a pair of second threaded holes are axially arranged on the fifth cylindrical part, and the second threaded holes are of a threaded hole and counter bore structure which are connected;
and a nut is detachably arranged on the peripheral screw thread to tightly and fixedly arrange the rod-type screw thread blank cap and the blank cap with the central hole together.
In a preferred embodiment of the present invention, the first, second and third cylindrical portions have a diameter that is gradually reduced.
In a preferred embodiment of the invention, the diameters of the fourth and fifth cylindrical portions increase stepwise.
In a preferred embodiment of the present invention, the first, second or third thread groove is an O-ring sealing groove, and an O-ring is disposed on the first, second or third thread groove to seal the chamber of the water inlet section of the sectional type water-feeding pump.
In a preferred embodiment of the present invention, the nut is an outer hexagon nut, and the rod-type screw cap and the central hole cap are installed in the chamber of the water inlet section of the sectional type water feeding pump through the nut.
The beneficial effects of the utility model reside in that:
the utility model discloses the atress is even, and the installation is firm, and the leakproofness is good, can carry out effectual sealing with the section of intaking cavity of festival segmentation boiler feed pump to carry out hydrostatic test.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an installation schematic diagram of the present invention.
Detailed Description
The connecting rod type hydraulic test sealing tool for the water inlet section chamber of the sectional type feed water pump shown in fig. 1 comprises a rod type threaded blank cap 100, wherein the rod type threaded blank cap 100 comprises a first column-shaped part, a second column-shaped part and a third column- shaped part 110, 120 and 130 which are connected, and the diameters of the first column-shaped part, the second column-shaped part and the third column- shaped part 110, 120 and 130 are gradually reduced.
A threaded hole 111 is axially formed in the first cylindrical portion 110, and an O-ring sealing thread groove 112 is formed along the outer periphery of the first cylindrical portion 110; an O-shaped ring sealing thread groove 131 is formed in the periphery of the third cylindrical portion 130, and an external thread 132 is formed at the tail end of the third cylindrical portion 130;
the central holed bulkhead 200 is arranged at the periphery of the third cylindrical portion 130 of the rod-type threaded bulkhead 100 through the central hole 201, the central holed bulkhead 200 comprises a fourth cylindrical portion 210 and a fifth cylindrical portion 220 which are connected, and the diameters of the fourth cylindrical portion 210 and the fifth cylindrical portion 220 are gradually increased.
The periphery of the fourth cylindrical part 210 is provided with an O-shaped ring sealing thread groove 211, the fifth cylindrical part 220 is provided with a pair of threaded holes 221 in an upper shaft mode, and the threaded holes 221 are connected threaded holes 221a and counter bore structures 221 b;
the external hex nut 300 is removably mounted on the external cylindrical threads 132 to securely mount the rod-type threaded bulkhead 100 and the central-bore bulkhead 200 together.
The O-ring seal 500 is disposed in the O-ring seal thread groove 112, the O-ring seal thread groove 131, and the O-ring seal thread groove 211 to seal the staged feed pump inlet chamber 400.
The rod-type screw cap 100 and the cap 200 with the central hole are arranged in the cavity 400 of the water inlet section of the sectional type water feeding pump through the outer hexagon nut 300.
The utility model has the advantages of being simple in structure and convenient in operation, the installation is firm, utilizes rings (not shown in the figure) to hoist rod-type screw thread stifle 100 during the use to install it to festival segmentation feed pump water intake section cavity 400 after O type sealing washer 500 is sheatheed in to all O type circle sealing thread groove 112, O type circle sealing thread groove 131 and O type circle sealing thread groove 211, then embolias the area centre bore stifle 200 that is equipped with O type sealing washer at the section other end of intaking, and tight outer hexagon nut 300, the installation is accomplished.
Whole process convenient operation, the atress is even, and the installation is firm, and the leakproofness is good, can carry out effectual sealing with the section cavity of intaking of festival segmentation boiler feed pump to carry out hydrostatic test.
The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and all such modifications and improvements fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a connecting rod formula hydrostatic test sealing tool that is used for festival segmentation feed pump to intake section cavity, its characterized in that includes:
the rod-type threaded blank cap comprises a first cylindrical part, a second cylindrical part and a third cylindrical part which are connected, wherein a first threaded hole is axially arranged on the first cylindrical part, and a first threaded groove is arranged along the periphery of the first cylindrical part; a second thread groove is formed in the periphery of the third cylindrical part, and peripheral threads are formed at the tail end of the third cylindrical part;
the blank cap with the central hole is arranged on the periphery of the third cylindrical part of the rod-type threaded blank cap through the central hole, the blank cap with the central hole comprises a fourth cylindrical part and a fifth cylindrical part which are connected, a third thread groove is arranged on the periphery of the fourth cylindrical part, a pair of second threaded holes are axially arranged on the fifth cylindrical part, and the second threaded holes are of a threaded hole and counter bore structure which are connected;
and a nut is detachably arranged on the peripheral screw thread to tightly and fixedly arrange the rod-type screw thread blank cap and the blank cap with the central hole together.
2. The connecting rod type hydrostatic test sealing tool for the water inlet section chamber of the sectional type feed water pump as claimed in claim 1, wherein the diameters of the first, second and third cylindrical portions are gradually reduced.
3. The connecting rod type hydrostatic test sealing tool for the water inlet section chamber of the sectional type feed water pump as claimed in claim 1, wherein the diameters of the fourth cylindrical portion and the fifth cylindrical portion are gradually increased.
4. The connecting rod type hydrostatic test sealing tool for the chamber of the water inlet section of the sectional type feed pump as claimed in claim 1, wherein the first, second or third thread groove is an O-ring sealing groove, and an O-ring is disposed on the first, second or third thread groove to seal the chamber of the water inlet section of the sectional type feed pump.
5. The tool of claim 1, wherein the nut is an outer hex nut, and the threaded rod cap and the central bore cap are mounted within the chamber of the intake section of the segmented feed pump by the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022045037.XU CN213598569U (en) | 2020-09-17 | 2020-09-17 | Connecting rod type hydrostatic test sealing tool for water inlet section chamber of sectional type water feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022045037.XU CN213598569U (en) | 2020-09-17 | 2020-09-17 | Connecting rod type hydrostatic test sealing tool for water inlet section chamber of sectional type water feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598569U true CN213598569U (en) | 2021-07-02 |
Family
ID=76587473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022045037.XU Active CN213598569U (en) | 2020-09-17 | 2020-09-17 | Connecting rod type hydrostatic test sealing tool for water inlet section chamber of sectional type water feed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598569U (en) |
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2020
- 2020-09-17 CN CN202022045037.XU patent/CN213598569U/en active Active
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