CN213456454U - End face sealing pressure testing head of hydrostatic testing machine - Google Patents
End face sealing pressure testing head of hydrostatic testing machine Download PDFInfo
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- CN213456454U CN213456454U CN202022316826.2U CN202022316826U CN213456454U CN 213456454 U CN213456454 U CN 213456454U CN 202022316826 U CN202022316826 U CN 202022316826U CN 213456454 U CN213456454 U CN 213456454U
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- main disc
- sealing ring
- ring
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- pressure isolating
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Abstract
The utility model relates to a welding steel pipe detects technical field, especially relates to a hydrostatic testing machine end face seal pressure testing head. The sealing device comprises a first main disc, a second main disc, a pressure isolating ring, a planar sealing ring, an O-shaped sealing ring and an outer sleeve; the first main disc and the second main disc are positioned at two ends of the steel pipe; the O-shaped sealing ring is arranged on the center sleeve of the first main disc, the outer sleeve is sleeved outside the O-shaped sealing ring and positioned outside the first main disc, the pressure isolating ring is fixedly connected to the inner side of the first main disc, and the planar sealing ring is arranged between the inner end face of the first main disc and the pressure isolating ring; an inner hole is formed in the second main disc, the pressure isolating ring is fixedly connected to the inner side of the second main disc, and the planar sealing ring is installed between the inner end face of the second main disc and the pressure isolating ring. The utility model discloses connect the compactness strong, the junction compressive capacity is stronger, and especially high at the butt joint in-process fault-tolerant rate of steel pipe and sealing ring, do not need strict centering, improved greatly and suppressed efficiency, can adapt to production, improved hydrostatic testing machine production efficiency.
Description
Technical Field
The utility model relates to a welding steel pipe detects technical field, especially relates to a hydrostatic testing machine end face seal pressure testing head.
Background
The welded steel pipe is also called as welded pipe, and is made by welding a steel plate or a steel belt after being curled and formed. The hydrostatic testing machine is a machine for performing hydrostatic testing on a steel pipe by utilizing oil-water balance control, and mainly comprises the following parts: the system comprises a steel pipe conveying device, a low-pressure water and high-pressure water system, a hydraulic system and a control recording system.
In the composition system of the hydrostatic testing machine, the connection sealing of pipelines in low-pressure water and high-pressure water systems is particularly important, the connection tightness of the end face sealing pressure testing head of the conventional hydrostatic testing machine is insufficient, the pressure resistance of a joint is weaker, the situations of explosion, no pressure and the like easily occur in the pressure testing process, the pressure efficiency is seriously influenced, and under the situation that the quality requirement is increasingly strict, the hydraulic pressure process gradually becomes the bottleneck of a spiral welded pipe production line, so that the production efficiency of the hydrostatic testing machine is low, the hydrostatic testing machine cannot adapt to production, and the production pace under the new situation cannot be kept up.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art, the utility model provides a hydrostatic testing machine end face seal pressure testing head connects the compactness strong, and the junction compressive capacity is stronger, has improved and has suppressed efficiency, can adapt to production, has improved hydrostatic testing machine production efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sealing pressure testing head for an end face of a hydrostatic testing machine comprises a first main disc, a second main disc, a pressure isolating ring, a planar sealing ring, an O-shaped sealing ring and an outer sleeve; the first main disc and the second main disc are positioned at two ends of the steel pipe; the O-shaped sealing ring is arranged on the center sleeve of the first main disc, the outer sleeve is sleeved outside the O-shaped sealing ring and positioned outside the first main disc, the pressure isolating ring is fixedly connected to the inner side of the first main disc, and the planar sealing ring is arranged between the inner end face of the first main disc and the pressure isolating ring; an inner hole is formed in the second main disc, the pressure isolating ring is fixedly connected to the inner side of the second main disc, and the planar sealing ring is installed between the inner end face of the second main disc and the pressure isolating ring.
The plane sealing ring is made of polyurethane materials.
The device also comprises a right-angle pipe joint and a joint, wherein the right-angle pipe joint and the joint are fixedly connected at two ends of the inner hole.
The pressure isolating ring is fixedly connected to the inner side of the first main disc through an inner hexagonal countersunk head bolt, and the pressure isolating ring is fixedly connected to the inner side of the second main disc through an inner hexagonal countersunk head bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses connect the compactness strong, the junction compressive capacity is stronger, and especially high at the butt joint in-process fault-tolerant rate of steel pipe and sealing ring, do not need strict centering, improved greatly and suppressed efficiency, can adapt to production, improved hydrostatic testing machine production efficiency.
2) The utility model discloses plane seal circle adopts the polyurethane material preparation, and plane seal circle is installed in two main disks terminal surface and is separated between the clamping ring, and plane seal circle can bear sufficient test pressure to it is not damaged to bear roof pressure many times.
3) The utility model discloses the second master is equipped with the hole, has carminative function to the increase ability of filling water, and increase the displacement, shortened hydrostatic testing machine's the time of filling water by a wide margin, improved productivity.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a schematic left side view of the structure of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic front view of a first main plate structure of the present invention;
fig. 5 is a schematic left side view of the first main plate structure of the present invention;
FIG. 6 is a schematic front view of a second main plate structure of the present invention;
FIG. 7 is a schematic left side view of a second main plate structure of the present invention;
FIG. 8 is a schematic front view of the pressure isolating ring structure of the present invention;
fig. 9 is a schematic left side view of the pressure isolating ring structure of the present invention.
In the figure: 1-first main disc 2-second main disc 3-pressure isolating ring 4-plane sealing ring 5-O-shaped sealing ring 6-outer sleeve 7-steel pipe 8-inner hole 9-inner hexagonal countersunk head bolt 10-right-angle pipe joint 11-joint
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 to 9, a hydrostatic testing machine end face sealing pressure testing head comprises a first main disc 1, a second main disc 2, a pressure isolating ring 3, a plane sealing ring 4, an O-shaped sealing ring 5 and an outer sleeve 6. The first main disc 1 and the second main disc 2 are positioned at two ends of the steel pipe 7.
The first main disc 1 is disc-shaped, the center of the first main disc is provided with a hole, and is provided with a center sleeve, an O-shaped sealing ring 5 is arranged on the center sleeve of the first main disc 1, an outer sleeve 6 is sleeved outside the O-shaped sealing ring 5, and the outer sleeve 6 is positioned outside the first main disc 1. The pressure isolating ring 3 is fixedly connected to the inner side of the first main disc 1 through an inner hexagonal countersunk head bolt 9, the pressure isolating rings 3 are fixedly connected to the inner side of the first main disc 1 from inside to outside in a circle, the small-caliber pressure isolating ring 3 is matched with the small-caliber steel pipe 7, the large-caliber pressure isolating ring 3 is matched with the large-caliber steel pipe 7, and therefore steel pipes with all calibers can be covered, and the steel pipes with different calibers can be detected.
The plane sealing ring 4 is made of polyurethane materials, and the plane sealing ring 4 is arranged between the inner end face of the first main disc 1 and the pressure isolating ring 3. The plane sealing ring 4 can bear enough test pressure and can bear the jacking pressure for many times without damage.
The second master 2 is the disc, is equipped with hole 8 in the second master 2, the utility model discloses still include right angle coupling 10 and joint 11, right angle coupling 10 and joint 11 rigid coupling are at the both ends of hole 8. The pressure isolating rings 3 are fixedly connected to the inner side of the second main disc 2 through hexagon socket countersunk head bolts 9, and the plurality of pressure isolating rings 3 are fixedly connected to the inner side of the second main disc 2 from inside to outside. The plane sealing ring 4 is made of polyurethane materials, and the plane sealing ring 4 is arranged between the inner end face of the second main disc 2 and the pressure isolating ring 3.
The second main disc 2 is provided with an inner hole 8, has an exhaust function, and can increase the water filling capacity and the air displacement, greatly shorten the water filling time of the hydrostatic testing machine, and improve the production capacity.
The utility model discloses connect the compactness strong, the junction compressive capacity is stronger, and especially high at the butt joint in-process fault-tolerant rate of steel pipe and sealing ring, do not need strict centering, improved greatly and suppressed efficiency, can adapt to production, improved hydrostatic testing machine production efficiency.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (4)
1. The utility model provides a hydrostatic testing machine end face seal pressure testing head which characterized in that: the sealing device comprises a first main disc, a second main disc, a pressure isolating ring, a planar sealing ring, an O-shaped sealing ring and an outer sleeve; the first main disc and the second main disc are positioned at two ends of the steel pipe; the O-shaped sealing ring is arranged on the center sleeve of the first main disc, the outer sleeve is sleeved outside the O-shaped sealing ring and positioned outside the first main disc, the pressure isolating ring is fixedly connected to the inner side of the first main disc, and the planar sealing ring is arranged between the inner end face of the first main disc and the pressure isolating ring; an inner hole is formed in the second main disc, the pressure isolating ring is fixedly connected to the inner side of the second main disc, and the planar sealing ring is installed between the inner end face of the second main disc and the pressure isolating ring.
2. The end face sealing pressure test head of the hydrostatic testing machine as claimed in claim 1, characterized in that: the plane sealing ring is made of polyurethane materials.
3. The end face sealing pressure test head of the hydrostatic testing machine as claimed in claim 1, characterized in that: the device also comprises a right-angle pipe joint and a joint, wherein the right-angle pipe joint and the joint are fixedly connected at two ends of the inner hole.
4. The end face sealing pressure test head of the hydrostatic testing machine as claimed in claim 1, characterized in that: the pressure isolating ring is fixedly connected to the inner side of the first main disc through an inner hexagonal countersunk head bolt, and the pressure isolating ring is fixedly connected to the inner side of the second main disc through an inner hexagonal countersunk head bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022316826.2U CN213456454U (en) | 2020-10-16 | 2020-10-16 | End face sealing pressure testing head of hydrostatic testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022316826.2U CN213456454U (en) | 2020-10-16 | 2020-10-16 | End face sealing pressure testing head of hydrostatic testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213456454U true CN213456454U (en) | 2021-06-15 |
Family
ID=76292170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022316826.2U Active CN213456454U (en) | 2020-10-16 | 2020-10-16 | End face sealing pressure testing head of hydrostatic testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213456454U (en) |
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2020
- 2020-10-16 CN CN202022316826.2U patent/CN213456454U/en active Active
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