CN207472688U - Swollen plug in a kind of pipe fitting for the header water pressure test - Google Patents
Swollen plug in a kind of pipe fitting for the header water pressure test Download PDFInfo
- Publication number
- CN207472688U CN207472688U CN201721226041.8U CN201721226041U CN207472688U CN 207472688 U CN207472688 U CN 207472688U CN 201721226041 U CN201721226041 U CN 201721226041U CN 207472688 U CN207472688 U CN 207472688U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- pushing block
- pipe
- threaded rod
- fixing device
- 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 - Fee Related
Links
Abstract
The utility model discloses swollen plugs in a kind of pipe fitting for the header water pressure test, it belongs to header Hydraulic test technique field, including pipe fitting, pipe fitting is equipped with hydraulic pressure ring, pipe socket end is equipped with fixing device, fixing device is matched with hydraulic pressure ring, compression pressing device and expansion device are equipped in pipe fitting, compression pressing device is connected with expansion device, compression pressing device is equipped with threaded rod, threaded rod one end is connected with compression pressing device, the threaded rod other end sequentially passes through expansion device and is connected with the first rotating handles with fixing device, it is set as being threadedly coupled between threaded rod and fixing device；Expansion device is matched with fixing device in the utility model, pass through the adjusting of the first rotating handles and the second rotating handles, realize the sealing of pipe fitting, in operation, pipe fitting is not required to welding hydraulic pressure closure plate, swollen plug is reusable in the pipe fitting, can effectively reduce the waste of material, is conducive to improve processing efficiency.
Description
Technical field
The utility model is related to header Hydraulic test technique fields, and in particular to a kind of pipe for the header water pressure test connects
Swollen plug in head.
Background technology
Header is chief component in boiler, plays the role of collecting or redistributes working medium to other pipelines, i.e.,
Collect, mix, distribute working medium, ensure that working medium is evenly heated, reduce thermal deviation so that the heat absorption of working medium, flowing and boiler
The performances such as cooling, the thermal efficiency are all optimized and are improved.
The quality of header directly influences the security reliability of boiler overall operation, so the pressure-bearing portion important as boiler
Part, inspection of the header before manufacture is also particularly stringent, wherein just comprising the water pressure test, to ensure that header can be under artesian condition
It is stable；Previous header water pressure test pipe fitting will be there are additional surplus, for welding water pressure test closure plate, and in water
Pressure is cut off again after the test, which not only adds workload, and causes the waste of material.
Invention content
For the problems of during the header water pressure test in the prior art, one kind provided by the utility model is used for
Swollen plug in the pipe fitting of the header water pressure test, it is versatile suitable for slightly bigbore header pipe joint, improve the profit of material
With rate, while processing efficiency is improved, reduce manufacture cost.
To achieve these goals, the technical solution adopted in the utility model is as follows：
Swollen plug in a kind of pipe fitting for the header water pressure test, including pipe fitting, the pipe fitting is equipped with hydraulic pressure ring,
The pipe socket end is equipped with fixing device, and the fixing device is matched with hydraulic pressure ring, and the pressure that is pressurized is equipped in the pipe fitting
Tight device and expansion device, the compression pressing device are connected with expansion device, and the compression pressing device is equipped with screw thread
Bar, described threaded rod one end are connected with the compression pressing device, and the threaded rod other end sequentially passes through the expansion dress
It puts and is connected with the first rotating handles with fixing device, be set as being threadedly coupled between the threaded rod and fixing device.
Preferably, the expansion device includes the first pushing block and the second pushing block, first pushing block and the second pushing block outside
It is arranged with seal pipe, the sealing tube outer surface is equipped with several equally distributed flexible seal rings, is conducive to improve the pipe and connects
The sealing effect of head.
Preferably, the fixing device includes pedestal, and described pedestal one end is equipped with the second rotating handles, and the pedestal is another
End is connect with the pipe fitting, and the pedestal is hinged with connecting rod, connecting rod one end connection with one end that the pipe fitting is connect
There is compression spring, the compression spring is fixedly mounted on the pedestal, and the connecting rod other end is equipped with matched with the hydraulic pressure ring
Hook.
Preferably, first pushing block is set as round table-like with the second pushing block, and the seal pipe is from centre to both sides tube wall
Thinning successively, the side of first pushing block and the second pushing block is matched with the sealing inside pipe wall, and first pushing block with
The sum of height of second pushing block is less than the length of the seal pipe.
Preferably, second pushing block is fixedly mounted on the compression pressing device, first pushing block with it is described solid
Determine to be equipped with casing between device, described sleeve pipe is set on the threaded rod, is conducive to expand the scope of application of the interior swollen plug.
The beneficial effects of the utility model are shown：
1st, expansion device is matched with fixing device in the utility model, passes through the first rotating handles and the second rotating handles
Adjusting, realize the sealing of pipe fitting, in operation, pipe fitting is not required to welding hydraulic pressure closure plate, and swollen plug can in the pipe fitting
It reuses, the waste of material can be effectively reduced, be conducive to improve processing efficiency；
2nd, the utility model adjusts the first pushing block by threaded rod and the second pushing block controls the diameter of seal pipe, reaches closure
The purpose of pipe fitting, it is versatile suitable for slightly bigbore header pipe joint, the utilization rate of material is improved, is improved simultaneously
Experimental implementation efficiency, reduces manufacture cost.
Description of the drawings
Fig. 1 is the overall structure diagram of swollen plug in a kind of pipe fitting for the header water pressure test of the utility model.
In figure：1- pipe fittings, 2- pedestals, the second rotating handles of 3-, 4- connecting rods, 5- hydraulic pressure ring, 6- compressions pressing device, 7-
Second pushing block, the first pushing blocks of 8-, 9- seal pipes, 10- threaded rods, the first rotating handles of 11-, 12- casings, 13- flexible seal rings,
14- compression springs.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Swollen plug in a kind of pipe fitting for the header water pressure test as shown in Figure 1, including pipe fitting 1, the pipe fitting 1
Hydraulic pressure ring 5 is equipped with, 1 end of pipe fitting is equipped with fixing device, and the fixing device is matched with hydraulic pressure ring 5, the pipe
Compression pressing device 6 and expansion device are equipped in connector 1, the compression pressing device 6 is fixedly connected with expansion device, it is described by
Pressing device 6 is pressed to be equipped with threaded rod 10, described 10 one end of threaded rod is fixedly connected with the compression pressing device 6, the spiral shell
10 other end of rasp bar sequentially passes through the expansion device and fixing device and is connected with the first rotating handles 11, the threaded rod 10 with
It is set as being threadedly coupled between fixing device.
The expansion device includes the first pushing block 8 and the second pushing block 7, and first pushing block 8 is arranged with 7 outside of the second pushing block
There is a seal pipe 9,9 outer surface of seal pipe is equipped with several equally distributed flexible seal rings 13, is conducive to improve the pipe and connects
First 1 sealing effect；The fixing device includes pedestal 2, and described 2 one end of pedestal is equipped with the second rotating handles 3, the pedestal 2
The other end is connect with the pipe fitting 1, and the pedestal 2 is hinged with connecting rod 4, the connecting rod 4 with one end that the pipe fitting 1 is connect
One end is connected with compression spring 14, and the compression spring 14 is fixedly mounted on the pedestal 2, and 4 other end of connecting rod is equipped with and the water
5 matched barb of pressure ring；First pushing block 8 is set as round table-like with the second pushing block 7, and the seal pipe 9 is from centre to two
Side tube wall is thinning successively, and first pushing block 8 is matched with the side of the second pushing block 7 with 9 inner wall of seal pipe, and described
The sum of height of one pushing block 8 and the second pushing block 7 is less than the length of the seal pipe 9；Second pushing block 7 is fixedly mounted on described
On compression pressing device 6, casing 12 is equipped between first pushing block 8 and the fixing device, described sleeve pipe 12 is set in institute
It states on threaded rod 10, is conducive to expand the scope of application of the interior swollen plug.
During utility model works, pedestal 2 is sleeved on the threaded rod 10 first, then on the threaded rod 10
It is set with 12 and first pushing block 8 of described sleeve pipe successively, then described 9 one end of seal pipe is sleeved on first pushing block 8, then
Second pushing block 7 and compression pressing device 6 are sleeved on the threaded rod 10, second pushing block 7 and the seal pipe 9
The other end matches, wherein second pushing block 7 can be fixed together with compression pressing device 6, it then will be mounted
Expansion device is inserted into the pipe fitting 1, and then one end that the connecting rod 4 is equipped with to barb is lifted, 4 other end of the connecting rod compression
The compression spring 14 until the pedestal 2 is in contact with 1 end of pipe fitting, then puts down the connecting rod 4, in the pressure
The connecting rod 4 is in contact with hydraulic pressure ring 5 under the action of spring 14, under the hydraulic pressure ring 5 and barb cooperation, realizes consolidating for pedestal 2
It is fixed, the first rotating handles 11 are then rotated, realize the sealing of the pipe fitting 1；
After the completion of work, described 4 one end of connecting rod is lifted, then rotates the second rotating handles 3, make the pedestal 2 separate
The pipe fitting 1 makes seal pipe 9 restore original state, finally takes out expansion device out of described pipe fitting 1.
Above content is only the structure example and explanation to the utility model, the technologies of affiliated the art
Personnel do various modifications or additions to described specific embodiment or substitute in a similar way, without departing from
The structure of utility model surmounts range defined in the claims, all should belong to the protection range of the utility model.
Claims (5)
1. swollen plug in a kind of pipe fitting for the header water pressure test, it is characterized in that, including pipe fitting, the pipe fitting is equipped with
Hydraulic pressure ring, the pipe socket end are equipped with fixing device, and the fixing device is matched with hydraulic pressure ring, is equipped in the pipe fitting
Compression pressing device and expansion device, the compression pressing device are connected with expansion device, are set on the compression pressing device
There is threaded rod, described threaded rod one end is connected with the compression pressing device, and the threaded rod other end sequentially passes through described
Expansion device is connected with the first rotating handles with fixing device, is set as being threadedly coupled between the threaded rod and fixing device.
2. swollen plug in a kind of pipe fitting for the header water pressure test according to claim 1, it is characterized in that, the expansion
Device includes the first pushing block and the second pushing block, and first pushing block and the second pushing block outer sheath are equipped with seal pipe, the seal pipe
Outer surface is equipped with several equally distributed flexible seal rings.
3. swollen plug in a kind of pipe fitting for the header water pressure test according to claim 1, it is characterized in that, the fixation
Device includes pedestal, and described pedestal one end is equipped with the second rotating handles, and the pedestal other end is connect with the pipe fitting, described
Pedestal is hinged with connecting rod with one end that the pipe fitting is connect, and described connecting rod one end is connected with compression spring, and the compression spring is fixedly mounted
On the pedestal, the connecting rod other end is equipped with and the matched barb of hydraulic pressure ring.
4. swollen plug in a kind of pipe fitting for the header water pressure test according to claim 2, it is characterized in that, described first
Pushing block is set as round table-like with the second pushing block, and the seal pipe is thinning successively from centre to both sides tube wall, first pushing block with
The side of second pushing block matches, and the sum of height of first pushing block and the second pushing block is less than institute with the sealing inside pipe wall
State the length of seal pipe.
5. swollen plug in a kind of pipe fitting for the header water pressure test according to claim 2, it is characterized in that, described second
Pushing block is fixedly mounted on the compression pressing device, and casing is equipped between first pushing block and the fixing device, described
Casing is set on the threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226041.8U CN207472688U (en) | 2017-09-23 | 2017-09-23 | Swollen plug in a kind of pipe fitting for the header water pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226041.8U CN207472688U (en) | 2017-09-23 | 2017-09-23 | Swollen plug in a kind of pipe fitting for the header water pressure test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472688U true CN207472688U (en) | 2018-06-08 |
Family
ID=62269981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721226041.8U Expired - Fee Related CN207472688U (en) | 2017-09-23 | 2017-09-23 | Swollen plug in a kind of pipe fitting for the header water pressure test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779802A (en) * | 2019-10-31 | 2020-02-11 | 武汉一冶钢结构有限责任公司 | Plugging structure and method for hydraulic test of nozzle of wind tunnel ejector |
| CN111289372A (en) * | 2020-03-03 | 2020-06-16 | 哈尔滨锅炉厂有限责任公司 | Short pipe joint external-pulling internal-expanding type hydraulic tool and using method thereof |
-
2017
- 2017-09-23 CN CN201721226041.8U patent/CN207472688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779802A (en) * | 2019-10-31 | 2020-02-11 | 武汉一冶钢结构有限责任公司 | Plugging structure and method for hydraulic test of nozzle of wind tunnel ejector |
| CN111289372A (en) * | 2020-03-03 | 2020-06-16 | 哈尔滨锅炉厂有限责任公司 | Short pipe joint external-pulling internal-expanding type hydraulic tool and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207472688U (en) | Swollen plug in a kind of pipe fitting for the header water pressure test | |
| CN207455048U (en) | A kind of Pipe leakage stopper | |
| CN108060295A (en) | A kind of petrochemical pipe is heat-treated clamping device | |
| CN109719529A (en) | The fixed device of mechanical equipment steel pipe cutting | |
| CN206861144U (en) | A kind of water supply and sewerage pipeline rapid-maintenance pipe fitting | |
| CN214331788U (en) | Pipe end butt joint connecting device for insulating pipe construction | |
| CN209247255U (en) | A kind of PVC pipe suppresses detection pipe drawing device | |
| CN202814799U (en) | Nondestructive and high-pressure resistant quick pressing device for built-in pipe | |
| CN210878184U (en) | Multi-angle steel pipe welding device | |
| CN206636519U (en) | A kind of high leakproofness screw connection structure of oil well pipe | |
| CN209850802U (en) | Portable joint connecting device | |
| CN206846181U (en) | A kind of band pressure pipeline perforations adding device | |
| CN212198966U (en) | Deionized water medium supercritical electric heating device | |
| CN208075631U (en) | Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling | |
| CN107420662A (en) | A kind of water tubular union | |
| CN208015262U (en) | A kind of electric power repairing pipe | |
| CN209476439U (en) | A kind of cooling deironing apparatus suitable for ball milling dispersion process | |
| CN209398693U (en) | A kind of expansion bolt suitable for large aperture | |
| CN209041800U (en) | A kind of petroleum pipeline Quick Connect Kit | |
| CN208982815U (en) | A kind of crack resistance type heat-resistance type petroleum pipeline device | |
| CN2509418Y (en) | Fast pipeline connector | |
| CN207777886U (en) | A kind of pipeline-weld heat treatment internal insulation bracing means | |
| CN206235038U (en) | A kind of solar heat collector pipeline special joint | |
| CN203869960U (en) | Pipe fitting quick pressure-testing device | |
| CN220261982U (en) | Reducing device for silicone tube processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20180923 |