CN105424491B - A kind of steel tube pressure-measuring sealing device and use its pressure testing device to multitube pressure testing - Google Patents
A kind of steel tube pressure-measuring sealing device and use its pressure testing device to multitube pressure testing Download PDFInfo
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- CN105424491B CN105424491B CN201510993946.7A CN201510993946A CN105424491B CN 105424491 B CN105424491 B CN 105424491B CN 201510993946 A CN201510993946 A CN 201510993946A CN 105424491 B CN105424491 B CN 105424491B
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- pressure
- seal head
- seal
- testing
- pipe end
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The present invention relates to technical field of test equipment, it is especially a kind of steel tube pressure-measuring sealing device and uses its pressure testing device to multitube pressure testing.Including the first seal head, first seal head includes seal receptacle, sealing ring, sealing ring is mounted in seal receptacle, seal receptacle is provided with pipe end and penetrates hole, the pipe end penetrates hole and is connected with ring inner hole, and seal receptacle, which is provided with, penetrates hole with the pipe end and ring inner hole is connected and draws the access of seal receptacle；It further include adjusting seat, the adjusting seat is connected with the first seal head with piston.It can be realized the convenient pressure testing for adapting to different length steel pipe, when being applied to multitube pressure testing, at least two sleeve end testing pressure sealing devices are arranged in parallel.More convenient to the adjustment of different length steel pipe, pressure testing device structure is more reasonable, compact, may be implemented adaptively to adjust, more efficient.
Description
Technical field
The present invention relates to technical field of test equipment, be especially a kind of steel tube pressure-measuring sealing device and using it to more
The pressure testing device of pipe pressure testing.
Background technique
In the water pressure test, the sealing device of steel tube end part is vital component.During pressure testing, the length of steel pipe
Difference, existing steel tube pressure-measuring machine adapt to the pressure testing of different length steel pipe by feed screw nut's form to degree.In multitube pressure testing,
Multiple pressure text heads clamp steel pipe respectively and carry out pressure testing, and pressure text head arranged side by side adapts to the steel pipe of different length, and takes silk again
Stem nut form, it is necessary to multi-filament bar is set, not only structure is not compact enough, multi-filament bar setup cost and function waste compared with
Greatly；The more non-working time can be wasted in the adjustment process of multi-filament bar simultaneously, it is inefficient.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of steel tube pressure-measuring sealing devices different from prior art
And use its pressure testing device to multitube pressure testing.It can be realized the convenient pressure testing for adapting to different length steel pipe, be applied to more
More convenient to the adjustment of different length steel pipe when pipe pressure testing, pressure testing device structure is more reasonable, compact, may be implemented simultaneously
Pressure testing is carried out to the steel pipe of more different lengths, it is more efficient.
The technical scheme is that a kind of pipe end testing pressure sealing device, including the first seal head, first seal head
Including seal receptacle, sealing ring, sealing ring is mounted in seal receptacle, and seal receptacle is provided with pipe end and penetrates hole, and the pipe end penetrates hole
It is connected with ring inner hole, seal receptacle, which is provided with, penetrates hole with the pipe end and ring inner hole is connected and draws seal receptacle
Access；It is characterized by also including adjusting seat, the adjusting seat is connected with the first seal head with piston.
When pressure testing, steel pipe insertion pipe end penetrates hole, is sealed by sealing ring, and adjusting seat and seal receptacle are connected with piston,
The steel pipe of different length can be adapted to by the movement of piston.It than existing, only can by the movement of piston
Realize the adaptation to different length steel pipe, it is more convenient to adjust.
As a kind of improvement to pipe end testing pressure sealing device of the present invention, the sealing ring inner ring is provided with distribution annular in shape
Several fan-shaped blocks, after the pressurization of sealing ring outer ring, the sector block is internally moved, and ultimately forms annular inner race, described
Annular inner race is less than the outer diameter of steel pipes sealed.The annular inner race formed after pressurization is less than by the outer diameter of sealed steel pipe, in pressure
Under the action of, annular inner race fits closely steel pipe outer tube wall, and the pressure that sealing ring outer ring is born is transmitted to by sealed steel pipe
Tube wall, steel pipe wall deforms, and elastic-restoring force increases frictional force, can be secured to steel pipe clamping.Using this
The pipe end testing pressure sealing device of mode can be fixedly secured subject compressed steel pipe, prevent from occurring in the adjustment of different length steel pipe de-
Occur as.
Single seal head can be closed at one end to pipe end steel pipe carry out water flowing pressure testing, in practical applications, more steel pipes are
Both ends have the form of through-hole, for the steel tube pressure-measuring for adapting to this form, as to the another of pipe end testing pressure sealing device of the present invention
A kind of improvement further includes the second seal head, and second seal head is identical as the first sealing header structure, and second seal head is set
It sets in the opposite side of the first seal head, it is opposite that the second seal head with the first seal head pipe end penetrates hole.First seal head sealed steel pipe
One end, the second seal head sealed steel pipe other end, the access and steel tube inner hole being arranged on the first seal head and the second seal head
, it can be achieved that by one end water flowing, the other end is vented for connection；Piston structure is only set on the first seal head, compressed steel Guan Yi is tested
On the basis of two seal heads, length of steel pipe is adapted to by the first seal head；Steel pipe enters pressure testing on the basis of the second seal head
Position, convenient for positioning and adjusting between process；It is respectively provided with annular inner race on two seal heads and is less than the close of the outer diameter of steel pipes sealed
Seal, two sealing rings clamp steel pipe both ends, can position to steel pipe；Sealing ring positions steel pipe, original clamp
It is arranged unnecessary, it is convenient to omit clamp saves deployment cost.
For the steel pipe that length range changes greatly, it is inadequate for adjusting only with piston, also needs to increase auxiliary adjustment dress
It sets.As another improvement to pipe end testing pressure sealing device of the present invention, the opposite side that the adjusting seat is connected with the first seal head
Connect driving cylinder.After increasing driving cylinder, the range of adjustment is greatly improved by extending and retracting for driving cylinder.Meanwhile
Before pressure testing, driving cylinder is retracted, and concedes steel tube pathway, and after steel pipe enters, driving cylinder stretches out, and pipe end enters sealing ring and wears
Enter in hole, sealed steel pipe；After pressure testing, driving cylinder is retracted, and steel pipe removes.In this way, it can be convenient smoothly real
Existing steel tube pressure-measuring and its back work.
Second seal head pipe end penetrates the opposite side connection driving cylinder in hole.Further improve the range of adjustment；It is convenient
Realize steel tube pressure-measuring and its back work, smoothly in addition it can realize the variation of steel pipe positioning datum.
It is provided on the seal receptacle of first seal head and penetrates hole with the pipe end and ring inner hole is connected and draws close
The access for sealing seat, in pressure testing, this access connects pressure testing liquid, and seal receptacle frequently moves, and is unfavorable for the steady of pressure testing fluid path
Fixed, to solve this problem, put forward another improvement: the adjusting seat and piston are provided with connected access, with sealing
The access of seat setting being connected with ring inner hole is connected.Compared with seal receptacle, adjusting seat shift in position number is smaller, examination
Press liquid access it is more stable.
Reset spring is set between the adjusting seat and the first seal head.After adjustment, by the elastic force of reset spring
It can automatically reset, device adjustment is more convenient.
The present invention also proposes a kind of pressure testing device using pipe end testing pressure sealing device of the invention to multitube pressure testing, special
Sign is: at least two sleeve end testing pressure sealing devices are arranged in parallel.
The pressure testing simultaneously of the steel pipe of more different lengths, corresponding first seal head of a steel pipe, each first seal head
It is connect in a manner of piston with its adjusting seat, adjusting seat is relatively fixed, and the first seal head reciprocally moves freely, steel pipe long one
A bit, the amplitude that piston retreats is larger, and steel pipe is shorter, and the amplitude that piston retreats is smaller, to realize to different steel pipes
Adaptation.No setting is required in this way multi-filament bar, structure is more compact, and setup cost is low, close with first with adjusting seat
The adaptive of end socket is adjusted, and non-working time waste is few, more efficient.
The annular inner race formed using fan-shaped block is less than the sealing ring of the outer diameter of steel pipes sealed, can be by steel pipe clamping jail
Gu preventing abjection steel pipe.
Adjusting seat connect driving cylinder with the opposite side that the first seal head is connected.It is significantly mentioned by extending and retracting for driving cylinder
The high range of adjustment, can be convenient and smoothly realize steel tube pressure-measuring and its back work.
Second seal head pipe end penetrates the opposite side connection driving cylinder in hole.Further improve the range of adjustment；It is convenient
Realize steel tube pressure-measuring and its back work, smoothly in addition it can realize the variation of steel pipe positioning datum.
The adjusting seat and piston are provided with connected access, logical with being connected with ring inner hole for seal receptacle setting
Road is connected.Compared with seal receptacle, adjusting seat shift in position number is smaller, pressure testing fluid path it is more stable.
Reset spring is set between the adjusting seat and the first seal head.After adjustment, by the elastic force of reset spring
It can automatically reset, device adjustment is more convenient.
In pipe end testing pressure sealing device arranged side by side, adjusting seat setting is fixed together ipsilateral.It adjusts
Ipsilateral, steel pipe only carries out length adjustment to the first seal head direction for bed rearrangement setting, and on the basis of other direction, ensure that the
The effect that one seal head is adjusted length of steel pipe；Adjusting seat is fixed together, and is positioned more convenient；Only with one
Driving cylinder can complete the position adjustment to multiple adjusting seats, reduce costs；Pressure testing fluid path stringing is more convenient.
In the pipe end testing pressure sealing device arranged side by side, second seal head is fixed together.It ensure that
The stabilization of steel pipe positioning datum, while but also the position tune to multiple second seal heads can be completed only with a driving cylinder
It is whole, it reduces costs；Pressure testing fluid path stringing is more convenient.
Detailed description of the invention
Fig. 1 is the main view of steel tube pressure-measuring sealing device one embodiment of the invention, convenient for performance, and first is close in figure
End socket, adjusting seat, the second seal head are given and are splitted.
Fig. 2 is the top view of steel tube pressure-measuring sealing device in Fig. 1.
Fig. 3 is the partial enlarged view of steel tube pressure-measuring sealing device in Fig. 1.
Fig. 4, Fig. 5 are the A-A cross-sectional views of steel tube pressure-measuring sealing device in Fig. 3.Fig. 4 is sealing ring relaxed state, and Fig. 5 is close
Seal contraction state.
Fig. 6 is the bowing to one embodiment of the pressure testing device of multitube pressure testing of the invention using steel tube pressure-measuring sealing device
View.
Fig. 7 is the side view of the pressure testing device to multitube pressure testing of Fig. 6.
Specific embodiment
Embodiment 1.
Embodiment 1 is one embodiment of steel tube pressure-measuring sealing device according to the present invention, in conjunction with attached drawing 1, Fig. 2,
Fig. 3, Fig. 4, Fig. 5 explanation.
In Fig. 1, the first seal head 1 is located at right side, and the second seal head 2 is located at left side, and it is close that subject steel pipe is inserted into first respectively
1 pipe end of end socket penetrates hole and 2 pipe end of the second seal head penetrates in hole, and 1 rear of the first seal head and adjusting seat 4 are connected using piston 6
It connects, driving cylinder 5 connects adjusting seat 4, and 2 rear of the second seal head is connect with driving cylinder 3.
To be more clear the representation of the first seal head in Fig. 1 and adjusting seat, setting Fig. 3 is Fig. 1 double dot dash line
Partial enlarged drawing；In Fig. 3, the first seal head 1 includes seal receptacle 11, sealing ring 12, and sealing ring 12 is mounted in seal receptacle 11,
Seal receptacle 11 is provided with pipe end and penetrates hole 113, and the pipe end penetrates hole 113 and is connected with 12 inner hole of sealing ring, and seal receptacle 11 is arranged
Have and penetrates hole 113 with the pipe end and ring inner hole is connected and draws the access 111 of seal receptacle；Adjusting seat 4 is arranged close
11 right side of seat is sealed, adjusting seat 4 is connected with seal receptacle 11 with piston 6.
Subject compressed steel pipe insertion pipe end penetrates hole 113, is sealed by sealing ring 12, adjusting seat 4 and seal receptacle 11 are with work
6 connection of plug can only be realized pair by the movement of piston 6 by the reciprocating movement of piston 6 come the steel pipe of different length
The adaptation of different length steel pipe, it is more convenient to adjust.
Sealing ring pressurization hole 112 is set on seal receptacle 11,12 outer ring of sealing ring can be applied by sealing ring pressurization hole 112
Plus-pressure forces it to shrink and seals subject pipe end；Fig. 3 and Fig. 4 is the A-A cross-sectional view of Fig. 2, and Fig. 4 is sealing ring relaxation
State, Fig. 5 are sealing ring forced contraction states.Fig. 4, it can be seen that in 5,12 inner ring of sealing ring is provided with ring-shaped distributed several
Fan-shaped block 121, after the pressurization of 12 outer ring of sealing ring, the sector block 121 is internally moved, and ultimately forms annular inner race, institute
It states annular inner race d and is less than the outer diameter of steel pipes D sealed；Annular inner race fits closely steel pipe outer tube wall, and 12 outer ring of sealing ring is held
The pressure received is transmitted to by the tube wall of sealed steel pipe, and steel pipe wall deforms, and elastic-restoring force increases frictional force, can
With secured to steel pipe clamping.
Piston 6 is provided with through hole 61, and described 61 one end of through hole is connected with what seal receptacle was arranged with ring inner hole
Access 111 be connected, the access 41 being arranged on the other end and adjusting seat 4 is connected, the access 41 extraction adjusting seat 4.Pressure testing liquid
Body is introduced or is drawn from the access 41 in adjusting seat 4, and adjusting seat shift in position number is smaller, pressure testing fluid path it is more steady
It is fixed.
Reset spring 7 is set between the adjusting seat 4 and the first seal head 1.After adjustment, by reset spring 7
Elastic force can automatically reset, and device adjustment is more convenient.
In Fig. 1, the second seal head 2 is identical as 1 structure chart of the first seal head, is oppositely arranged, the first seal head 1 sealing subject
Compressed steel pipe one end, 2 sealed steel pipe other end of the second seal head, the access being arranged on the first seal head 1 and the second seal head 1 with
, it can be achieved that by one end water flowing, the other end is vented for steel tube inner hole connection；Compressed steel pipe is tested on the basis of the second seal head 2, by first
Seal head 1 adapts to length of steel pipe, and steel pipe can enter pressure testing position on the basis of the second seal head 2, convenient between process
Positioning and adjustment；The sealing ring that annular inner race is less than the outer diameter of steel pipes sealed, two sealing rings are respectively provided on two seal heads
Steel pipe both ends are clamped, steel pipe can be positioned；Sealing ring positions steel pipe, the setting of original clamp unnecessarily,
It can be omitted clamp, save deployment cost.
In Fig. 2, downside illustrates the in-position of subject compressed steel pipe with double dot dash line, and upside is illustrated with double dot dash line by pressure testing
Steel pipe exits position, and Fig. 2 is top view, and steel pipe upside, downside are because for sake of convenience, actual setting inlet pipe, outlet pipe are not
It is up and down direction, and is horizontally oriented.Before pressure testing, driving cylinder 3,5 is retracted, and is conceded subject compressed steel tube passage, is tested compressed steel
After pipe enters pressure testing position, driving cylinder stretches out, and pipe end enters pipe end and penetrates in hole, and sealed steel pipe is embraced in sealing ring pressurization；
After pressure testing, sealing ring unclamps sealed steel pipe, and driving cylinder retracts, and pipe end is detached from, and concedes steel tube pathway, and steel pipe moves
Out.To realize the production line continuous productive process of steel tube pressure-measuring.
Embodiment 2.
Embodiment 2 is one using steel tube pressure-measuring sealing device to the pressure testing device of multitube pressure testing according to the present invention
A embodiment, in conjunction with attached drawing 6, Fig. 7 explanation.
It is a kind of top view of pressure testing device that 4 steel pipes can be carried out with pressure testing in Fig. 6.In figure, 4 sets and embodiment
1 identical pipe end testing pressure sealing device is arranged in parallel, and the steel pipe pressure testing simultaneously of 4 different lengths a, steel pipe corresponds to sleeve
Hold testing pressure sealing device；As shown in fig. 6, the steel pipe of lower section two is longer, it is larger that two group of first corresponding seal head retreats amplitude.
Adjusting seat is relatively fixed, and the first seal head reciprocally moves freely, and steel pipe is longer, and the amplitude of retrogressing is larger, and steel pipe is short by one
A bit, the amplitude that piston retreats is smaller, to realize the adaptation to different steel pipes.No setting is required in this way multi-filament
Bar, structure is more compact, and setup cost is low, and adaptive with adjusting seat and the first seal head is adjusted, the non-working time
Waste is few, more efficient.
4 adjusting seats are arranged on right side, and are fixed together.It can complete to adjust 4 using a driving cylinder
The position adjustment of seat, reduces costs.Pressure testing fluid path stringing is more convenient.
4 the second seal heads are arranged in left side, are fixed together.It can be completed using one article of driving cylinder to 4
The position of two seal heads adjusts, and reduces costs.Pressure testing fluid path stringing is more convenient.
Claims (7)
1. a kind of pipe end testing pressure sealing device, including the first seal head, first seal head includes seal receptacle, sealing ring, close
Seal is mounted in seal receptacle, and seal receptacle is provided with pipe end and penetrates hole, and the pipe end penetrates hole and is connected with ring inner hole, sealing
Seat, which is provided with, penetrates hole with the pipe end and ring inner hole is connected and draws the access of seal receptacle；It is characterized by: also wrapping
Adjusting seat is included, the adjusting seat is connected with the first seal head with piston；The sealing ring inner ring is provided with ring-shaped distributed number
A sector block, after the pressurization of sealing ring outer ring, the sector block is internally moved, and ultimately forms annular inner race, the annular
Inner ring is less than the outer diameter of steel pipes sealed；It further include the second seal head, second seal head is identical as the first sealing header structure,
Second seal head is arranged in the opposite side of the first seal head, and it is opposite that the second seal head and the first seal head pipe end penetrate hole, institute
It states adjusting seat and connect driving cylinder with the opposite side that the first seal head is connected.
2. pipe end testing pressure sealing device according to claim 1, it is characterised in that: the second seal head pipe end penetrates the opposite side in hole
Connect driving cylinder.
3. pipe end testing pressure sealing device according to claim 1 or 2, it is characterised in that: the adjusting seat and piston setting
There is connected access, is connected with the access of seal receptacle setting being connected with ring inner hole.
4. pipe end testing pressure sealing device according to claim 1 or 2, it is characterised in that: the adjusting seat and the first sealing
Reset spring is set between head.
5. a kind of filled using pressure testing of the pipe end testing pressure sealing device according to any one of claims 1 to 4 to multitube pressure testing
It sets, it is characterised in that: at least two sleeve end testing pressure sealing devices are arranged in parallel.
6. according to right want 5 described in the pressure testing device of multitube pressure testing, it is characterised in that: the pipe end pressure testing arranged side by side
In sealing device, adjusting seat setting is fixed together ipsilateral.
7. the pressure testing device according to claim 5 or 6 to multitube pressure testing, it is characterised in that: the pipe arranged side by side
It holds in testing pressure sealing device, second seal head is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993946.7A CN105424491B (en) | 2015-12-28 | 2015-12-28 | A kind of steel tube pressure-measuring sealing device and use its pressure testing device to multitube pressure testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993946.7A CN105424491B (en) | 2015-12-28 | 2015-12-28 | A kind of steel tube pressure-measuring sealing device and use its pressure testing device to multitube pressure testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105424491A CN105424491A (en) | 2016-03-23 |
| CN105424491B true CN105424491B (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510993946.7A Active CN105424491B (en) | 2015-12-28 | 2015-12-28 | A kind of steel tube pressure-measuring sealing device and use its pressure testing device to multitube pressure testing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238570B (en) * | 2018-10-16 | 2021-07-27 | 安徽江淮汽车集团股份有限公司 | Relative plugging mechanism |
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| CN202631213U (en) * | 2012-06-08 | 2012-12-26 | 湃思科技（苏州）有限公司 | Leak checking equipment for syringe needle |
| CN103759929A (en) * | 2013-12-30 | 2014-04-30 | 天津市宝涞精密机械有限公司 | Detecting clamp of crankshaft oil hole of compressor |
| CN203656376U (en) * | 2014-01-03 | 2014-06-18 | 青岛恒基泰机电科技有限公司 | Pipe end sealing ring capable of bearing axial force |
| CN204718893U (en) * | 2015-06-29 | 2015-10-21 | 柴德维 | A kind of pressure test device being applicable to weldless steel tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4978905B2 (en) * | 2006-10-31 | 2012-07-18 | 征義 伊藤 | Pressure test equipment for pipe joints |
| CN204549560U (en) * | 2015-04-13 | 2015-08-12 | 陈泉南 | A kind of rewinding machine wrap-up |
| CN205262872U (en) * | 2015-12-28 | 2016-05-25 | 青岛中瑞泰软控技术有限公司 | Steel pipe pressure testing sealing device and use its pressure testing device to multicell pressure testing |
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2015
- 2015-12-28 CN CN201510993946.7A patent/CN105424491B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202631213U (en) * | 2012-06-08 | 2012-12-26 | 湃思科技（苏州）有限公司 | Leak checking equipment for syringe needle |
| CN103759929A (en) * | 2013-12-30 | 2014-04-30 | 天津市宝涞精密机械有限公司 | Detecting clamp of crankshaft oil hole of compressor |
| CN203656376U (en) * | 2014-01-03 | 2014-06-18 | 青岛恒基泰机电科技有限公司 | Pipe end sealing ring capable of bearing axial force |
| CN204718893U (en) * | 2015-06-29 | 2015-10-21 | 柴德维 | A kind of pressure test device being applicable to weldless steel tube |
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| CN105424491A (en) | 2016-03-23 |
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