CN109211561A - A kind of thin-walled lid panel hydraulic pressure test fixture - Google Patents
A kind of thin-walled lid panel hydraulic pressure test fixture Download PDFInfo
- Publication number
- CN109211561A CN109211561A CN201811388488.4A CN201811388488A CN109211561A CN 109211561 A CN109211561 A CN 109211561A CN 201811388488 A CN201811388488 A CN 201811388488A CN 109211561 A CN109211561 A CN 109211561A
- Authority
- CN
- China
- Prior art keywords
- thin
- lid panel
- threaded connector
- sealing shroud
- floating piston
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000007667 floating Methods 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000002706 hydrostatic effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000013011 mating Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of thin-walled lid panel hydraulic pressure test fixtures, including compressing bracket and positioning sealing plate, the upper surface center of positioning sealing plate opens up locating slot, and thin-walled lid panel to be detected is fixed in the locating slot of positioning sealing plate by compressing bracket, and the top of thin-walled lid panel to be detected is equipped with sealing shroud；The lower section of sealing shroud is threadedly coupled threaded connector, and threaded connector is fixed in thin-walled lid panel to be detected by locating shaft, and connecting hole is opened up at the upper surface center of threaded connector, and the lower section of connecting hole is equipped with floating piston.The present invention passes through positioning sealing plate, compression bracket and automatic exhaust device mating reaction, it takes blame for others on hydrostatic testing machine and holds out against compression bracket, it is suppressed by normal pressure water inlet, floating piston is moved up in pressure effect, floating piston bar enters in the location hole two of sealing shroud, it is completely attached to the O-ring seal in annular groove, completes sealing.Using bracket is compressed, it effectively prevent coverplate stress to deform, automatic exhaust device is effectively vented and finally seals.
Description
Technical field
The present invention is machined manufacturing technology field, specifically a kind of thin-walled lid panel hydraulic pressure test fixture.
Background technique
Cover board is widely used on all kinds of safety-valves, and cover board is all bearer as valve body, in machine-building plus
After work, it is necessary to carry out the water pressure test to coverplate parts, detect the security performance of part.The conventional water pressure test generallys use direct pressure
End face on the cover board, for a part of thin-walled lid panel, since hydraulic test pressure is larger, it is necessary to have corresponding biggish pressure of taking blame for others
Power could seal, and the excessive deformation for be easy to causeing thin-walled lid panel part of pressure of taking blame for others causes part to be scrapped because of the water pressure test.
Summary of the invention
The invention aims to make up the defect of prior art, provide a kind of comprising automatic exhaust device, compression bracket
And the hydraulic pressure test fixture of positioning sealing plate, axial seal, avoid thin-walled lid panel from scrapping because of water pressure test deformation.
To achieve the above object, the invention provides the following technical scheme:
A kind of thin-walled lid panel hydraulic pressure test fixture, including sealing shroud, threaded connector, floating piston, compress bracket and fixed
Position sealing plate, the upper surface center of the positioning sealing plate open up locating slot, and the center of the positioning sealing plate opens up deflector hole one, described
Through positioning sealing plate, thin-walled lid panel to be detected is fixed in the locating slot of positioning sealing plate deflector hole one by compressing bracket, described
The top of thin-walled lid panel to be detected is equipped with sealing shroud；The sealing shroud includes horizontal part and vertical portion, horizontal part in disk-shaped,
The lower surface center of horizontal part is equipped with vertical portion, and the vertical portion is cylindrical, and the outer wall of the vertical portion is carved with external screw thread, institute
That states sealing shroud radially opens up deflector hole three, horizontal part and vertical portion of the deflector hole three through sealing shroud, the vertical portion
Location hole two is opened up in the lower section of deflector hole three, the radius of the location hole two is greater than deflector hole three；
The lower section of the sealing shroud is threadedly coupled threaded connector, and the threaded connector is cylindrical, and the screw thread connects
The radius of fitting is identical as sealing shroud horizontal part, and the lower section of the threaded connector is equipped with locating shaft, and the locating shaft is in rounding
Mesa-shaped, the threaded connector are fixed in the corresponding hole of thin-walled lid panel to be detected by locating shaft, the threaded connector
Connecting hole is opened up at the center of upper surface, the length of the connecting hole is greater than the length of sealing shroud vertical portion, the connecting hole top
Equipped with screw thread, the lower section of the connecting hole is equipped with floating piston, and the top of floating piston is cylindrical, the top of floating piston with
Location hole two is adapted, and in disk-shaped, the lower diameter of floating piston is identical as bore dia is connected, described for the lower part of floating piston
Threaded connector opens up deflector hole two below connector, and the sealing shroud, threaded connector and floating piston are as one
It is integrally formed automatic exhaust device.
The compression bracket is rounded hood-like, and the side wall even circumferential for compressing bracket opens up multiple rectangular openings.
The junction circumference of the vertical portion and horizontal part opens up groove, and the groove surround vertical portion portion one week.
The middle and upper part of the location hole two opens up annular groove outward, is equipped with O-ring seals in the annular groove.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is taken blame for others on hydrostatic testing machine by positioning sealing plate, compressing bracket and automatic exhaust device mating reaction
Press locking bracket, is suppressed by normal pressure water inlet, floating piston is moved up in pressure effect, and floating piston bar enters sealing shroud
Location hole two in, in annular groove O-ring seal completely attach to, complete sealing.Using bracket is compressed, avoid directly pressing
End face on the cover board effectively prevent coverplate stress to deform, and automatic exhaust device is effectively vented and finally seals.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of automatic exhaust device in the present invention.
Fig. 3 is the structural schematic diagram of sealing shroud in the present invention.
Fig. 4 is the structural schematic diagram of threaded connector in the present invention.
Fig. 5 is the side view that bracket is compressed in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, in the embodiment of the present invention, a kind of thin-walled lid panel hydraulic pressure test fixture, including sealing shroud 1, screw thread
Connector 2, floating piston 3 compress bracket 4 and positioning sealing plate 6, and the upper surface center of the positioning sealing plate 6 opens up locating slot 8,
The center of the positioning sealing plate 6 opens up deflector hole 1, and for the deflector hole 1 through positioning sealing plate 6, thin-walled lid panel 5 to be detected is logical
Over-voltage locking bracket 4 is fixed in the locating slot 8 of positioning sealing plate 6, and the compression bracket 4 is rounded hood-like, the compression bracket 4
Side wall even circumferential opens up multiple rectangular openings, and the top of the thin-walled lid panel 5 to be detected is equipped with sealing shroud 1,
The sealing shroud 1 includes horizontal part and vertical portion, and in disk-shaped, the lower surface center of horizontal part is equipped with horizontal part
Vertical portion, the vertical portion is cylindrical, and the outer wall of the vertical portion is carved with external screw thread, the connection of the vertical portion and horizontal part
Place's circumference opens up groove 13, and the groove 13 surround vertical portion portion one week, and the sealing shroud 1 radially opens up deflector hole three
11, deflector hole 3 11 opens up positioning in the lower section of deflector hole 3 11 through the horizontal part of sealing shroud 1 and vertical portion, the vertical portion
The radius in hole 2 10, the location hole 2 10 is greater than deflector hole 3 11, and the middle and upper part of the location hole 2 10 opens up annular outward
Groove 12, the annular groove 12 is interior to be equipped with O-ring seals.
The lower section of the sealing shroud 1 is threadedly coupled threaded connector 2, and the threaded connector 2 is cylindrical, the screw thread
The radius of connector 2 is identical as 1 horizontal part of sealing shroud, and the lower section of the threaded connector 2 is equipped with locating shaft 21, the locating shaft
21 be in rounding mesa-shaped, and the threaded connector 2 is fixed in the corresponding hole of thin-walled lid panel 5 to be detected by locating shaft 21, described
Connecting hole 14 is opened up at the upper surface center of threaded connector 2, the length of the connecting hole 14 is greater than the length of 1 vertical portion of sealing shroud
Degree, 14 top of connecting hole are equipped with screw thread, and the lower section of the connecting hole 14 is equipped with floating piston 3, and the top of floating piston 3 is in
Cylinder, the top of floating piston 3 and location hole 2 10 are adapted, the lower part of floating piston 3 in disk-shaped, floating piston 3
Lower diameter is identical as 14 diameter of connecting hole, and the threaded connector 2 opens up deflector hole 29 in the lower section of connector 14,
The sealing shroud 1, threaded connector 2 and floating piston 3 constitute automatic exhaust device as a whole.
Working principle:
1. positioning sealing plate 6 is assembled on vertical water pressure testing machine first；
2. thin-walled lid panel 5 to be detected is assembled on positioning sealing plate 6 again；.
3. threaded connector 2 is fixed in the corresponding hole of thin-walled lid panel 5 to be detected by locating shaft 21；
4. floating piston 3 is assembled in threaded connector 2；
5. sealing shroud 1 is threadedly coupled on threaded connector 2.
6. finally compression bracket 4 is assembled on part to be tested 5
Bracket 4 is compressed 7. taking blame for others and holding out against on hydrostatic testing machine, is suppressed by normal pressure water inlet, floating piston 3 is made in pressure
With moving up, 3 bar of floating piston enters in the location hole 2 10 of sealing shroud 1, complete with the O-ring seal in annular groove 12
Sealing is completed in contact.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of thin-walled lid panel hydraulic pressure test fixture, which is characterized in that including sealing shroud, threaded connector, floating piston, compression
Bracket and positioning sealing plate, the upper surface center of the positioning sealing plate open up locating slot, and the center of the positioning sealing plate opens up water conservancy diversion
Kong Yi, the deflector hole one are fixed on the positioning of positioning sealing plate by compression bracket through positioning sealing plate, thin-walled lid panel to be detected
In slot, the top of the thin-walled lid panel to be detected is equipped with sealing shroud；The sealing shroud includes horizontal part and vertical portion, horizontal part
In disk-shaped, the lower surface center of horizontal part is equipped with vertical portion, and the vertical portion is cylindrical, and the outer wall of the vertical portion is carved with
External screw thread, the sealing shroud radially open up deflector hole three, horizontal part and vertical portion of the deflector hole three through sealing shroud, institute
It states vertical portion and opens up location hole two in the lower section of deflector hole three, the radius of the location hole two is greater than deflector hole three；
The lower section of the sealing shroud is threadedly coupled threaded connector, and the threaded connector is cylindrical, the threaded connector
Radius it is identical as sealing shroud horizontal part, the lower section of the threaded connector is equipped with locating shaft, and the locating shaft is in rounding mesa-shaped,
The threaded connector is fixed in the corresponding hole of thin-walled lid panel to be detected by locating shaft, the upper surface of the threaded connector
Connecting hole is opened up at center, the length of the connecting hole is greater than the length of sealing shroud vertical portion, and the connecting hole top is equipped with spiral shell
The lower section of line, the connecting hole is equipped with floating piston, and the top of floating piston is cylindrical, the top of floating piston and location hole
Two are adapted, and the lower part of floating piston is in disk-shaped, and the lower diameter of floating piston is identical as connection bore dia, the screw thread company
Fitting opens up deflector hole two below connector, the sealing shroud, threaded connector and floating piston structure as a whole
At automatic exhaust device.
2. thin-walled lid panel hydraulic pressure test fixture according to claim 1, which is characterized in that the rounded cover of the compression bracket
Shape, the side wall even circumferential for compressing bracket open up multiple rectangular openings.
3. thin-walled lid panel hydraulic pressure test fixture according to claim 1, which is characterized in that the vertical portion and horizontal part
Junction circumference opens up groove, and the groove surround vertical portion portion one week.
4. thin-walled lid panel hydraulic pressure test fixture according to claim 1, which is characterized in that the middle and upper part of the location hole two
Annular groove is opened up outward, is equipped with O-ring seals in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388488.4A CN109211561B (en) | 2018-11-21 | 2018-11-21 | Thin-wall cover plate hydrostatic test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388488.4A CN109211561B (en) | 2018-11-21 | 2018-11-21 | Thin-wall cover plate hydrostatic test tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109211561A true CN109211561A (en) | 2019-01-15 |
| CN109211561B CN109211561B (en) | 2024-02-23 |
Family
ID=64993351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811388488.4A Active CN109211561B (en) | 2018-11-21 | 2018-11-21 | Thin-wall cover plate hydrostatic test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109211561B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361182A (en) * | 2019-07-30 | 2019-10-22 | 西安航天动力研究所 | The equal bulk-breaking performance testing device of coolant liquid jet stream and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB709467A (en) * | 1951-07-21 | 1954-05-26 | Mannesmann Ag | Improvements relating to apparatus for testing tubes by internal pressure |
| CN202281726U (en) * | 2011-10-14 | 2012-06-20 | 天津泵业机械集团有限公司 | Hydraulic pressure test tooling |
| CN202770609U (en) * | 2012-07-27 | 2013-03-06 | 上海五钢设备工程有限公司 | Steel pipe hydrostatic testing machine |
| CN104712867A (en) * | 2015-04-02 | 2015-06-17 | 天津理工大学 | Pressure self-adaptation end face seal device for water pressure test of steel pipe |
| CN205243994U (en) * | 2015-12-09 | 2016-05-18 | 东北石油大学 | Hydraulic drive hydrostatic test high pressure unloading valve |
| CN107795722A (en) * | 2017-12-06 | 2018-03-13 | 霍山嘉远智能制造有限公司 | A kind of bonnet water pressure test welding end floating seal frock |
| CN108426775A (en) * | 2017-02-15 | 2018-08-21 | 东管重工(沈阳)有限公司 | The externally screwed water pressure test tool of small dimension thin-wall steel tube |
| CN208937314U (en) * | 2018-11-21 | 2019-06-04 | 霍山嘉远智能制造有限公司 | A kind of thin-walled lid panel hydraulic pressure test fixture |
-
2018
- 2018-11-21 CN CN201811388488.4A patent/CN109211561B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB709467A (en) * | 1951-07-21 | 1954-05-26 | Mannesmann Ag | Improvements relating to apparatus for testing tubes by internal pressure |
| CN202281726U (en) * | 2011-10-14 | 2012-06-20 | 天津泵业机械集团有限公司 | Hydraulic pressure test tooling |
| CN202770609U (en) * | 2012-07-27 | 2013-03-06 | 上海五钢设备工程有限公司 | Steel pipe hydrostatic testing machine |
| CN104712867A (en) * | 2015-04-02 | 2015-06-17 | 天津理工大学 | Pressure self-adaptation end face seal device for water pressure test of steel pipe |
| CN205243994U (en) * | 2015-12-09 | 2016-05-18 | 东北石油大学 | Hydraulic drive hydrostatic test high pressure unloading valve |
| CN108426775A (en) * | 2017-02-15 | 2018-08-21 | 东管重工(沈阳)有限公司 | The externally screwed water pressure test tool of small dimension thin-wall steel tube |
| CN107795722A (en) * | 2017-12-06 | 2018-03-13 | 霍山嘉远智能制造有限公司 | A kind of bonnet water pressure test welding end floating seal frock |
| CN208937314U (en) * | 2018-11-21 | 2019-06-04 | 霍山嘉远智能制造有限公司 | A kind of thin-walled lid panel hydraulic pressure test fixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361182A (en) * | 2019-07-30 | 2019-10-22 | 西安航天动力研究所 | The equal bulk-breaking performance testing device of coolant liquid jet stream and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109211561B (en) | 2024-02-23 |
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