CN104977214B - General purpose steel plastic composite piston type pressure testing device - Google Patents
General purpose steel plastic composite piston type pressure testing device Download PDFInfo
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- CN104977214B CN104977214B CN201510385810.8A CN201510385810A CN104977214B CN 104977214 B CN104977214 B CN 104977214B CN 201510385810 A CN201510385810 A CN 201510385810A CN 104977214 B CN104977214 B CN 104977214B
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- piston
- underbeam
- pipeline section
- type pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 229920003023 plastic Polymers 0.000 title claims abstract description 69
- 239000004033 plastic Substances 0.000 title claims abstract description 69
- 239000002131 composite material Substances 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of general purpose steel plastic composite piston type pressure testing device, including upper beam and underbeam, each spool piece port of steel-plastics composite pipe is blocked to realize the piston type pressure testing mechanism of zero leakage, piston type pressure testing mechanism includes being connected with upper underbeam and being pressed on the baffle plate of tube section ends, on baffle plate and it is tightly placed in the clip on pipeline section, piston and baffle ring, sealing ring, provided with inlet channel and head through baffle plate and the spacing push-and-pull head on baffle plate in stage casing, the water inlet connecting tube that both ends are tightly connected and connected with inlet channel with piston and push-and-pull head portion respectively, oil cylinder, upper beam is articulated with same upper fulcrum, underbeam is articulated with same lower fulcrum, push-and-pull head end offers the strip hole for moving back and forth fit for the bearing pin being installed on cylinder piston rod free end, strip hole with respect to bearing pin mobile distance be more than sealing ring decrement.The pressure testing device is available for all types of steel-plastics composite pipe pressure testings, energy integrated form installation, No leakage in pressure testing.
Description
Technical field
The present invention relates to steel-plastics composite pipe pressure test technology field, is especially a kind of general purpose steel plastic composite piston type examination
Pressure device.
Background technology
In the production process of steel-plastics composite pipe (including tubing, pipe fitting etc.), it is necessary to the short-term hydrostatic strength of body
Tested with burst strength, to detect the physical and mechanical properties of body and limiting pressure, to adjust steel plastic compount in time
Steel skeleton construction in pipe, produced product is set to meet standard requirement.
CN2565012Y shows a kind of Special pressure testing device of steel-plastics composite pipe, the pressure testing device in pressure testing, with
The gradual increase of hydraulic pressure pressure is tested, when the axial force that lining core is born exceedes the snap-in force between briquetting and pipe outer plastic layer
When, briquetting can then loosen, and leakage thus occurs and makes test failure.And the Special pressure testing device is using every time
Before, it is required for interior lining core, briquetting, sleeve, seals and other component carrying out assembling assembling one by one, it is very cumbersome, time-consuming.
In addition, being directed to different types of steel-plastics composite pipe, such as elbow steel-plastics composite pipe, linear pattern steel-plastics composite pipe, lead to more
Shaped steel plastic composite etc., then need the structure for pressure test of targetedly design specialized can not be realized with same pressure testing to carry out pressure testing
Frock carries out pressure testing to above-mentioned all types of steel-plastics composite pipe.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of general purpose steel plastic composite piston type pressure testing device, the examination
Pressure device is available for all types of steel-plastics composite pipes to carry out pressure testing, and can realize when integrated form is installed to avoid using every time to each portion
Part is assembled, and the pressure testing device can also avoid the leakage phenomenon during pressure testing from occurring in addition, and in pressure testing with dampening
Sealing effectiveness is better on the contrary for the increase of pressure pressure.
In order to solve the above technical problems, technical scheme provided by the invention is：Including being arranged on each pipeline section of steel-plastics composite pipe
The upper beam of top and be arranged on below each pipeline section of steel-plastics composite pipe underbeam, each spool piece port of steel-plastics composite pipe is blocked with
The piston type pressure testing mechanism of zero leakage is realized, the piston type pressure testing mechanism includes being connected with corresponding upper underbeam and is pressed on pipeline section end
The baffle plate in portion, on baffle plate and be tightly placed on pipeline section clip, the piston in tube section ends and baffle ring, be enclosed on piston
Or be close on baffle ring and with pipeline section inwall with pipeline section hydraulic pressure pressure effect under be pressed on by piston on baffle ring sealing ring, set
There are inlet channel and head close with piston and push-and-pull head portion respectively through baffle plate and the spacing push-and-pull head on baffle plate in stage casing, both ends
The water inlet connecting tube for connecting and being connected with inlet channel, the oil cylinder of installation on a fixed support are sealed, upper beam is articulated with same upper fulcrum
On, underbeam is articulated with same lower fulcrum, and push-and-pull head end offers to be come for the bearing pin being installed on cylinder piston rod free end
The strip hole of the dynamic fit of return, strip hole with respect to bearing pin mobile distance more than sealing ring decrement.
The inwall that clip is close to pipeline section is provided with triangle pawl of the increase to pipeline section outer wall snap-in force.
Cylinder block is arranged on a connection plate body, and the upper and lower side of the connection plate body connects with corresponding upper underbeam respectively.
The adapter sleeve that end passes through baffle plate is additionally provided between piston and push-and-pull head, the adapter sleeve is arranged on piston, connection
Cover the internal thread for being provided with through the end of baffle plate and being connected with push-and-pull head external screw thread.
The both ends of water inlet connecting tube are connected close to realize by external screw thread with the internal thread of piston and push-and-pull head portion respectively
Envelope connection.
The arc positioning sleeve for steel-plastics composite pipe positioning, the upper and lower side of the arc positioning sleeve are additionally provided between upper beam and underbeam
Connected respectively with corresponding upper underbeam.
Pull bar is connected between adjacent upper beam and between adjacent underbeam.
The present invention general purpose steel plastic composite piston type pressure testing device be articulated with because being provided with same upper fulcrum upper beam,
The underbeam of same lower fulcrum is articulated with, and upper underbeam is separately positioned on the upper and lower of each pipeline section of steel-plastics composite pipe, is moulded plus steel multiple
Each spool piece port of conjunction pipe, which is additionally provided with, to be blocked to realize the piston type pressure testing mechanism of zero leakage, so according to different types of steel
Plastic composite, the quantity of upper underbeam can be set by the quantity of each pipeline section and adjust simultaneously angle between upper beam and underbeam it
Between angle to meet the pressure testing of different types of steel-plastics composite pipe, there is very strong versatility.And piston type pressure testing mechanism
Baffle plate also connected with corresponding upper underbeam, be in turn mounted at plus clip on baffle plate, so in pressure testing, steel-plastics composite pipe pipeline section
Thrust of the inside water pressure pressure indirectly-acting on baffle plate can then be offset by upper underbeam, so as to avoid clip from occurring with tube section ends
Loose phenomenon, avoids the generation of leakage phenomenon, and with the increase of hydraulic pressure pressure, piston then can tightly crush seal circle and make
Sealing ring is close to baffle ring, makes sealing effectiveness more and more better.Each part of other piston type pressure testing mechanism, such as piston, sealing ring, gear
Ring, water inlet connecting tube, push-and-pull head, baffle plate, clip are connected with each other, and final push-and-pull head passes through strip hole and pin with cylinder piston rod
Axle is attached, so above-mentioned each part can disposably integrated form connection be arranged on cylinder piston rod on, treat every time in use,
Whole piston type pressure testing mechanism can be arranged on by tube section ends by the push pull maneuver of cylinder piston rod, as long as so installing one
It is secondary can Reusability, avoid single in each use of each part and repeat to install.
Further, the inwall that clip is close to pipeline section is provided with triangle pawl of the increase to pipeline section outer wall snap-in force,
After triangle pawl is set, pawl snaps tight against pipeline section outer wall, and clip can stronger holding pipeline section.
Further, cylinder block is arranged on a connection plate body, the upper and lower side of the connection plate body respectively with it is corresponding on
Underbeam connects, and after oil cylinder is by connecting plate body on upper underbeam, takes full advantage of the installation site of underbeam, makes overall knot
Structure is compacter, succinct.
Further, the adapter sleeve that end passes through baffle plate is additionally provided between piston and push-and-pull head, the adapter sleeve, which is arranged on, lives
Beyond the Great Wall, adapter sleeve is provided with the internal thread being connected with push-and-pull head external screw thread through the end of baffle plate, after adapter sleeve is set, makes piston
Link into an integrated entity, and be connected through a screw thread well with push-and-pull head, connect more solid and reliable.
Further, the both ends for connecting tube of intaking are connected by external screw thread with the internal thread of piston and push-and-pull head portion respectively
It is tightly connected with realizing, water inlet connecting tube is attached by the screw thread at both ends, not only firm and reliable connection, and being connected by screw thread
Sealed connection can be formed by connecing, and good sealing effect.
Further, the arc positioning sleeve for steel-plastics composite pipe positioning, arc positioning are additionally provided between upper beam and underbeam
The upper and lower side of set connects with corresponding upper underbeam respectively, after arc positioning sleeve is set, steel-plastics composite pipe can be made quick and accurate
It is placed between underbeam, the steel-plastics composite pipe position of placement is accurate.
Further, pull bar is connected between adjacent upper beam and between adjacent underbeam, pull bar can avoid trying
The displacement of upper underbeam during pressure.
Brief description of the drawings
Fig. 1 is shape when general purpose steel plastic composite piston type pressure testing device of the present invention is used for pressure testing threeway steel-plastics composite pipe
State structural representation.
State knot when Fig. 2 is general purpose steel plastic composite piston type pressure testing device pressure testing elbow steel-plastics composite pipe of the present invention
Structure schematic diagram.
Vertical view knot when Fig. 3 is general purpose steel plastic composite piston type pressure testing device pressure testing four-way steel-plastics composite pipe of the present invention
Structure schematic diagram.
Fig. 4 is office of the piston type pressure testing mechanism of general purpose steel plastic composite piston type pressure testing device of the present invention in pressure testing
Portion's cross section structure diagram.
Shown in figure of the present invention：1 steel-plastics composite pipe, 1.1 pipeline sections, 2 upper beams, 3 underbeams, 4 baffle plates, 5 clips, 5.1 triangles
Pawl, 6 pistons, 7 baffle rings, 8 sealing rings, 9 push-and-pull heads, 9.1 inlet channels, 9.2 strip holes, 10 water inlet connecting tubes, 11 oil cylinders, 11.1
Cylinder piston rod free end, 12 bearing pins, 13 connection plate bodys, 14 adapter sleeves, 15 arc positioning sleeves, 16 pull bars, 17 screw rods, 18 is spacing
Mechanism.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As illustrated, the general purpose steel plastic composite piston type pressure testing device of the present invention, including it is arranged on steel-plastics composite pipe 1
The upper beam 2 of each top of pipeline section 1.1 and the underbeam 3 being arranged on below each pipeline section 1.1 of steel-plastics composite pipe 1, steel-plastics composite pipe 1 is respectively managed
1.1 ports of section are blocked to realize the piston type pressure testing mechanism of zero leakage, and piston type pressure testing mechanism is actually that steel is moulded again
The plugging mechanism that each port of pipeline section 1.1 of pipe 1 is blocked is closed, and custom is piston type pressure testing mechanism in industry.And upper beam 2 is be hinged
In on same upper fulcrum, underbeam 3 is articulated with same lower fulcrum.
The quantity of upper beam and underbeam can be configured according to the quantity of each pipeline section of steel-plastics composite pipe：Such as linear pattern pipe, can set
The upper beam that two angles are 180 degree and the underbeam that two angles are 180 degree are put, certainly to make structure more succinct, may also set up
A piece upper beam and a underbeam；For threeway tubing, then three upper beams and three underbeams can be set.Because upper beam is all articulated with together
On one on fulcrum, underbeam is also all articulated with same lower fulcrum, so for different types of steel-plastics composite pipe, can pass through steel
The quantity of each pipeline section of plastic composite sets corresponding upper underbeam, while is adjusted according to the angle between each pipeline section of steel-plastics composite pipe
The angle between angle and underbeam between upper beam is set with meeting the upper and lower for being symmetrically positioned in each pipeline section at each spool piece port
Piston type pressure testing mechanism is put, so general purpose steel plastic composite piston type pressure testing device of the invention just has versatility, can fit
Close the pressure testing demand of various types of steel-plastics composite pipes (including tubing and pipe fitting).
And the piston type pressure testing mechanism of the present invention then includes being connected with corresponding upper underbeam and is pressed on the gear of the end of pipeline section 1.1
Plate 4, on baffle plate 4 and be tightly placed on pipeline section 1.1 clip 5, the piston 6 in the end of pipeline section 1.1 and baffle ring 7, set
It is close on piston 6 or baffle ring 7 and with the inwall of pipeline section 1.1 to be pressed on gear by piston 6 under the effect of hydraulic pressure pressure in pipeline section 1.1
Sealing ring 8 on ring 7, provided with inlet channel 9.1 and head through baffle plate 4 and the spacing push-and-pull on baffle plate 4 in stage casing first 9, two
Hold the water inlet connecting tube 10 for being connected with first 9 head seal of piston 6 and push-and-pull and being connected with inlet channel 9.1 respectively, installed in fixation
Oil cylinder 11 on carrier.Wherein baffle plate 4 is arranged on corresponding upper underbeam by the screw rod 17 parallel with upper underbeam, screw rod and
Upper and lower Liangping row, can avoid baffle plate from being made whole mechanism more solid and reliable by shearing force.And clip 5 then can be by polylith arc
Block is formed by connecting, and in the present embodiment, clip is formed by connecting by upper and lower two pieces of arc blocks, so in assembling, passes through upper and lower two
Clip easily can be clamped on pipeline section outer wall by arc block, while two arc blocks are lifted on baffle plate by the bolt on baffle plate
On, the bolt hole aperture being now opened on two arc blocks is more than the external diameter of bolt, and such two arcs block then may be used in non-pressure testing
It is hanging connected in by bolt on baffle plate, avoids and be required for when in use every time by clip on baffle plate, and when clip needs
When being clamped on pipeline section outer wall, because bolt hole aperture is more than the external diameter of bolt, it ensure that two arc blocks can be fastened on outside pipeline section
On wall,
To realize the connection of push-and-pull first 9 and cylinder piston rod free end, first 9 end of push-and-pull is offered for being installed on oil cylinder work
Bearing pin 12 on stopper rod free end 11.1 moves back and forth the strip hole 9.2 of fit, moves back and forth fit to realize, strip hole is opened
Mouth length dimension is more than the outside dimension of bearing pin, that is to say, that and under external force, bearing pin can move relative to strip hole, and for
For strip hole, then moved relative to bearing pin.To make cylinder piston rod free end not stressed in pressure testing, strip hole 9.2 is relative
Bearing pin 12 mobile distance be more than sealing ring 8 decrement, during pressure testing, hydraulic pressure pressure promotes push-and-pull head indirectly,
In the case where bearing pin is motionless, because of the movement of push-and-pull head, can be described as to move relative to bearing pin for strip hole, now
Strip hole 9.2 relative to bearing pin 12 mobile distance then for push-and-pull head by hydraulic pressure pressure the distance of movement, and this distance is
More than the decrement of sealing ring.In the present embodiment, strip hole is designed to the shape of slotted hole, and slotted hole both ends use circular arc
Transition, it is more rounded, it is easy to relatively move.
For the snap-in force of increase clip and pipeline section outer wall, the inwall that clip 5 is close to pipeline section 1.1 is provided with increase to pipeline section
The triangle pawl 5.1 of 1.1 outer wall snap-in forces, triangle pawl is sharp, can bite into the plastic layer of pipeline section outer wall.
The cylinder body of oil cylinder 11 is arranged on a connection plate body 13, and the upper and lower side of the connection plate body 13 goes up underbeam with corresponding respectively
Connection.So far, whole piston type pressure testing mechanism can integral installation on upper underbeam.
The adapter sleeve 14 that end passes through baffle plate 4 is additionally provided between piston 6 and push-and-pull first 9, the adapter sleeve 14 is arranged on piston 6
On, adapter sleeve 14 is provided with the internal thread being connected with first 9 external screw thread of push-and-pull through the end of baffle plate 4, facilitates piston and push-and-pull
The connection of head, with movement of the piston in the presence of hydraulic pressure pressure, push-and-pull head can be driven to move indirectly.
The both ends of water inlet connecting tube 10 are connected with reality by external screw thread with the internal thread on first 9 head of piston 6 and push-and-pull respectively
Now it is tightly connected.Using thread seal good connecting effect, the leakage of water can be effectively prevented, and without setting the sealing of anti-leak again
Pad.
The arc positioning sleeve 15 positioned for steel-plastics composite pipe 1, the arc positioning sleeve 15 are additionally provided between upper beam 2 and underbeam 3
Upper and lower side connected respectively with corresponding upper underbeam.Arc positioning sleeve can determine steel-plastics composite pipe when being connected with upper underbeam
Accurate installation site, and the calibration of placement location is carried out when avoiding each pressure testing to steel-plastics composite pipe.
Pull bar 16 is connected between adjacent upper beam 2 and between adjacent underbeam 3, pull bar can make underbeam more steady
It is fixed.
Positioned in use, steel-plastics composite pipe is placed in arc positioning sleeve.Then start oil cylinder to start to pre-install, this
When cylinder piston rod by bearing pin promote push-and-pull head, push-and-pull head is because end is spacing on baffle plate, so as to drive baffle plate end face to press
In tube section ends, prepackage action is now completed.Then the upper and lower side of baffle plate is connected to phase with the screw rod with upper and lower Liangping row
On the upper underbeam answered, the installation of baffle plate is now completed.Then cylinder piston rod free end is toward pulling back, and now cylinder piston rod is free
End drives the movement of push-and-pull head and indirect balancing gate pit by bearing pin, and is compacted the sealing ring between piston and baffle ring,
Now complete the pre-pressing of sealing ring.Then clip is tightened, clip is firmly held pipeline section outer wall tightly, now complete the card of clip
Tight action.Then pressed since the inlet channel water filling of push-and-pull head, finally block the steam vent (not shown) pre-set, with
Discharge gas in pipeline section.
For pressure testing steel plastic compount pipe bend class pipe fitting, general purpose steel plastic composite piston type pressure testing device of the invention is also
The position-limit mechanism 18 for offsetting (hydraulic pressure pressure is collectively forming in each pipeline section) with joint efforts is provided with, the position-limit mechanism 18 mainly includes
The locating oil cylinder being connected with upper underbeam, the arc positioning sleeve 15 being connected with cylinder piston rod free end.So in pressure testing, for
90 degree of steel-plastics composite pipe bend pipe tools, as shown in Fig. 2 45 degree of hydraulic pressure pressure initiation is made a concerted effort in two pipeline sections, should make a concerted effort can quilt
Locating oil cylinder piston rod is offset, it is ensured that the operating condition of test of composite steel-plastic pipe fitting is consistent with stress during actual use.
The general purpose steel plastic composite piston type pressure testing device of the present invention is in pressure testing, because strip hole 9.2 is with respect to bearing pin 12
Mobile distance be more than sealing ring 8 decrement, just can so make cylinder piston rod free end during whole pressure testing
Do not stress and be in free state, from without selecting the larger oil cylinder of driving force, cylinder sizes can then be made smaller, so as to
Cylinder piston rod can also be made smaller, total is not seemed huge.As long as whole piston type pressure testing mechanism dress in addition
With once can Reusability, the assembling of each part is all carried out during without each pressure testing.The general purpose steel plastic composite of the present invention
Piston type pressure testing device sealing ring in pressure testing the more is pressed the more tight, and sealing effectiveness is more and more better, and baffle plate is connected on underbeam,
Upper underbeam can play the effect kept out to baffle plate, and the clip that can make to be arranged on baffle plate cannot be loosened after, effective guarantee
The reliability of the pressure testing process of whole device.
Claims (7)
- A kind of 1. general purpose steel plastic composite piston type pressure testing device, it is characterised in that：It is each including being arranged on steel-plastics composite pipe (1) Upper beam (2) above pipeline section (1.1) and the underbeam (3) being arranged on below steel-plastics composite pipe (1) each pipeline section (1.1), steel is moulded it is multiple Close pipe (1) each pipeline section (1.1) port to be blocked to realize the piston type pressure testing mechanism of zero leakage, the piston type pressure testing mechanism bag Include and be connected with accordingly upper underbeam and be pressed on the baffle plate (4) of pipeline section (1.1) end, on baffle plate (4) and be tightly placed in pipeline section (1.1) clip (5) on, the piston (6) in pipeline section (1.1) end and baffle ring (7), it is enclosed on piston (6) or baffle ring (7) And it is close to pipeline section (1.1) inwall to be pressed under the interior hydraulic pressure pressure effect of pipeline section (1.1) by piston (6) on baffle ring (7) Sealing ring (8), provided with inlet channel (9.1) and head through baffle plate (4) and the spacing push-and-pull head (9) on baffle plate (4) in stage casing, two Hold the water inlet connecting tube (10) for being connected with piston (6) and push-and-pull head (9) head seal and being connected with inlet channel (9.1) respectively, peace The oil cylinder (11) of dress on a fixed support, described upper beam (2) are articulated with same upper fulcrum, and described underbeam (3) is articulated with On same lower fulcrum, push-and-pull head (9) end offers to be come for the bearing pin (12) being installed on cylinder piston rod free end (11.1) The strip hole (9.2) of the dynamic fit of return, strip hole (9.2) are with respect to bearing pin (12) mobile distance of institute more than sealing ring (8) Decrement.
- 2. general purpose steel plastic composite piston type pressure testing device according to claim 1, it is characterised in that：Clip (5) with The inwall that pipeline section (1.1) is close to is provided with triangle pawl (5.1) of the increase to pipeline section (1.1) outer wall snap-in force.
- 3. general purpose steel plastic composite piston type pressure testing device according to claim 1, it is characterised in that：Oil cylinder (11) cylinder Body is arranged on a connection plate body (13), and the upper and lower side of the connection plate body (13) connects with corresponding upper underbeam respectively.
- 4. general purpose steel plastic composite piston type pressure testing device according to claim 1, it is characterised in that：Piston (6) with The adapter sleeve (14) that end passes through baffle plate (4) is additionally provided between push-and-pull head (9), the adapter sleeve (14) is arranged on piston (6), even Female connector (14) is provided with the internal thread being connected with push-and-pull head (9) external screw thread through the end of baffle plate (4).
- 5. general purpose steel plastic composite piston type pressure testing device according to claim 1, it is characterised in that：Water inlet connecting tube (10) both ends are connected by external screw thread with the internal thread of piston (6) and push-and-pull head (9) head respectively to be tightly connected with realizing.
- 6. general purpose steel plastic composite piston type pressure testing device according to claim 1, it is characterised in that：Upper beam (2) and The arc positioning sleeve (15) for steel-plastics composite pipe (1) positioning, the upper and lower side of the arc positioning sleeve (15) are additionally provided between underbeam (3) Connected respectively with corresponding upper underbeam.
- 7. general purpose steel plastic composite piston type pressure testing device according to claim 1, it is characterised in that：Adjacent upper beam (2) pull bar (16) is connected between and between adjacent underbeam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385810.8A CN104977214B (en) | 2015-06-30 | 2015-06-30 | General purpose steel plastic composite piston type pressure testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385810.8A CN104977214B (en) | 2015-06-30 | 2015-06-30 | General purpose steel plastic composite piston type pressure testing device |
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| Publication Number | Publication Date |
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| CN104977214A CN104977214A (en) | 2015-10-14 |
| CN104977214B true CN104977214B (en) | 2017-11-17 |
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| CN201510385810.8A Active CN104977214B (en) | 2015-06-30 | 2015-06-30 | General purpose steel plastic composite piston type pressure testing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111060405B (en) * | 2020-01-03 | 2025-11-04 | 合肥和安机械制造有限公司 | A batch pressure testing and drying equipment for inclined steel pipe assemblies |
| CN114216790B (en) * | 2021-12-14 | 2024-03-19 | 杭州赛维动力科技有限公司 | Automatic detection device for electric power glue barrel |
| CN114248396A (en) * | 2021-12-28 | 2022-03-29 | 安源管道实业股份有限公司 | Steel-plastic composite electric melting pipe fitting mold external demoulding and winding integrated machine |
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| CN204694568U (en) * | 2015-06-30 | 2015-10-07 | 安源管道实业有限公司 | General purpose steel plastic composite piston type pressure testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012127833A (en) * | 2010-12-16 | 2012-07-05 | Daido Steel Co Ltd | Hydraulic pressure tester for pipe |
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|---|---|---|---|---|
| CN2565012Y (en) * | 2002-08-09 | 2003-08-06 | 新兴铸管股份有限公司 | Special pressure testing device for steel-plastic composite pipe |
| CN101518871A (en) * | 2009-03-27 | 2009-09-02 | 杭州惠通电器制造有限公司 | Pipe-coiling tool and adjusting method thereof |
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| Publication number | Publication date |
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| CN104977214A (en) | 2015-10-14 |
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Address after: 337003 Pingxiang, Pingxiang economic and Technological Development Zone, high tech Industrial Park, Yu Lake Road, No. 1 Applicant after: ANYUAN PIPELINE INDUSTRIAL CO., LTD. Address before: 337003 Pingxiang, Pingxiang economic and Technological Development Zone, high tech Industrial Park, Yu Lake Road, No. 1 Applicant before: Anyuan Pipe Industrial Co., Ltd. |
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