CN206818534U - Pipe hydraulic pressure detection device - Google Patents
Pipe hydraulic pressure detection device Download PDFInfo
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- CN206818534U CN206818534U CN201720792068.7U CN201720792068U CN206818534U CN 206818534 U CN206818534 U CN 206818534U CN 201720792068 U CN201720792068 U CN 201720792068U CN 206818534 U CN206818534 U CN 206818534U
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- pipe
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- hydraulic pressure
- measured
- pressure detection
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Abstract
A kind of pipe hydraulic pressure detection device is the utility model is related to, including cylinder, cylinder can be built in pipe to be measured, it is characterised in that：The annular groove of opening outwardly is provided at both ends with the outside of cylinder, seal is provided with annular groove, also including can make to form the tension mechanism being tightly connected by seal between cylinder and pipe to be measured, the external diameter of cylinder is less than the internal diameter of pipe to be measured, and enclose to form hydraulic pressure chamber with seal in the presence of tension mechanism between cylinder and pipe to be measured, the water filling port of oriented hydraulic pressure intracavitary water filling is opened up on the perisporium of cylinder.The equipment makes cylinder realize sealing by seal with pipe to be measured by adjusting hydraulic pressure, when treating test tube son progress hydraulic pressure detection, needs water injection rate few, cost-effective；By adjusting seal degree between cylinder and pipe to be measured, gas in hydraulic pressure chamber is discharged；The device structure is simple, it is in light weight, be moved easily and not by pipe length limitation, be easy to detect pipe paragraph by paragraph, use is more convenient.
Description
Technical field
It the utility model is related to water pressure test equipment technical field, and in particular to a kind of pipe hydraulic pressure detection device.
Background technology
At present, in order to ensure steel pipe quality, it is necessary to which fluid delivery carries out water pressure test inspection with steel pipe, to grasp pipe
The water pressure resistance anti-leakage degree of son, the China such as Patent No. CN03259259.0 (Authorization Notice No. CN2630835) are practical
New patent《Large-diameter steel pipe hydraulic pressure testing device》, the hydraulic pressure testing device includes hydraulic means, also includes a plug, core
2 flow-guiding channels are provided with the shaft core of rod both ends respectively, the entrance of flow-guiding channel is located on plug shaft end and connected with hydraulic means,
The other end outlet be located at plug it is cylindrical on, plug both ends further respectively have sealing ring and pressing device, although the device realizes
Hydraulic pressure detection is carried out to large-diameter steel pipe, but it is complicated, and the bore of steel pipe is big, then the diameter of the plug needed is big, this
The weight weight of hydraulic pressure testing device will be caused, it is difficult to it is mobile, cost of transportation is added, in-convenience in use, in addition, the two of plug
The pressing device at end includes guide sleeve, conical surface pressing plate and clamp nut, and the nut diameter of the big needs of diameter of plug is bigger, increases
Nut manufacturing cost is added.
And for example Patent No. CN201220370222.9 (Authorization Notice No. CN202770609U) Chinese utility patent
《Steel pipe hydrostatic tester》, the hydrostatic testing machine includes a fixed seat and a moving cart, is equipped with fixed seat, moving cart
One sealing device, sealing device include a support, and support is fixed in the fixed seat or moving cart, and support is provided with one
Bar, screw mandrel are threadedly coupled with support, and the medial extremity of screw mandrel is connected with a cylinder body, are provided with piston in cylinder body, piston includes a big footpath
End and a miner diameter end, the sealing of piston and cylinder body coordinate, and piston can slide in cylinder body, and piston is provided with an inlet opening, on cylinder body
A filling port and a booster pump connecting hole are respectively equipped with, filling port, booster pump connecting hole connect with inlet opening, in fixed seat
Piston miner diameter end it is relative with the path end position of the piston in the moving cart.Although the testing machine is realized to steel pipe
The purpose of hydraulic pressure detection is carried out, but because the diameter of steel pipe is big, axial water shutoff area is big, the high hydraulic pressure of steel pipe experiment will produce
Raw huge axial thrust so that the housing construction complexity of hydraulic pressure detection testing machine, weight is big and cost is high, in addition, to big
, it is necessary to filling water in whole steel pipe during the progress hydraulic pressure detection of diameter steel pipe, water injection rate is big, and use cost is high.
Therefore, it is necessary to be improved further to pipe hydraulic pressure detection device.
Utility model content
Technical problem to be solved in the utility model is the present situation for prior art, there is provided a kind of simple in construction, note
The few and easy to use pipe hydraulic pressure detection device of water.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of pipe hydraulic pressure detection device, bag
Cylinder is included, the cylinder can be built in pipe to be measured, it is characterised in that：It is provided with the outside of the cylinder both ends circumferential
Opening annular groove outwardly, be provided with seal in the annular groove, also include can make cylinder and pipe to be measured it
Between the tension mechanism being tightly connected formed by seal, the external diameter of the cylinder is less than the internal diameter of pipe to be measured, and cylinder
Enclose to form hydraulic pressure chamber with seal in the presence of tension mechanism between pipe to be measured, offered on the perisporium of the cylinder
To the water filling port of hydraulic pressure intracavitary water filling.
In order to reduce the manufacturing cost of seal while conveniently make seal effective to being formed between cylinder and pipe to be measured
Sealing, is favourable because the gap between the top side wall of annular groove and pipe internal perisporium to be measured is smaller, it is preferable that described
The sidewall sections of annular groove are exposed to outside cylinder periphery wall, and the top of annular groove side wall and pipe internal perisporium to be measured it
Between radial dimension be less than radial dimension between cylinder and pipe to be measured.
For simple in construction and cost angle, it is preferable that the seal is sealing ring, and the sealing ring can be in tensioner
It is pressed in the presence of mechanism on the internal perisporium of pipe to be measured.
Tension mechanism has multiple choices mode, it is preferable that the tension mechanism includes hydraulic means and hydraulic cavities, described
Hydraulic cavities are formed between the annular groove and seal, and the logical of connection hydraulic means pipeline is offered in the hydraulic cavities
Hole.
More easily discharged in order that obtaining gas in hydraulic pressure chamber, also include exhaust outlet, the exhaust outlet is arranged on cylinder
On the perisporium of body.
For cylinder that is more laborsaving, easily moving pipe hydraulic pressure detection device, also including can facilitate cylinder to exist
The mobile device moved in pipe to be measured, the mobile device are arranged on cylinder.
The structure of mobile device has diversified forms, for simple in construction and cost angle, it is preferable that the mobile device
Include multiple support wheels, multiple support wheels are circumferentially arranged on the periphery wall of cylinder.
Further preferably, the accommodating of the support wheel can be housed by being extended inwardly to form on the periphery wall of the cylinder
Groove.
In order that obtaining cylinder movement more stable in pipe to be measured, also including, which can be easy to cylinder to slip into, treats test tube
Directive wheel in son, the directive wheel are arranged at the forward end of cylinder at least one end, and the directive wheel can make cylinder is stable to slide
Enter in pipe to be measured, prevent that cylinder from rocking during slipping into pipe to be measured and the mouth of pipe of the side wall to cylinder and pipe to be measured is made
Into damage.
The connected mode of cylinder both ends and annular groove has a variety of, it is preferable that the both ends of the cylinder are and annular groove
A lateral wall be fixedly connected by welding it is into a single integrated structure.
Compared with prior art, the utility model has the advantage of：On the one hand, by adjusting the hydraulic pressure in hydraulic cavities
Seal swelling, so that cylinder and pipe to be measured cooperatively form sealed connection by seal and annular groove；The opposing party
Face, can be by adjusting the seal degree of cylinder and pipe to be measured, to hydraulic pressure by water filling port to during hydraulic pressure intracavitary water filling
The gas of intracavitary is discharged, and then seals hydraulic pressure chamber and squeezes into water under high pressure progress hydraulic pressure detection by water filling port；Should
Inner barrel is hollow so that weight of equipment is light, is moved easily, while is easily installed the pipelines such as water pipe and valve；In addition, using
The pipe hydraulic pressure detection device carries out hydraulic pressure detection, needs the water injection rate of water filling few, has saved cost；And the device structure is simple,
Not by pipe length limitation, it is easy to detect pipe paragraph by paragraph, use is more convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, the pipe hydraulic pressure detection device of the utility model embodiment includes cylinder 2 and tension mechanism, its
In, cylinder 2 can be built in pipe 1 to be measured, the inner hollow of cylinder 2, and the outside of cylinder 2 is provided at both ends with the ring of a circle opening outwardly
Connected in star 21, seal 3 is provided with annular groove 21；The connected mode of cylinder 2 and annular groove 21 have it is a variety of, cylinder 2 with
Annular groove 21 can be integrally formed, and can also use the modes such as welding that cylinder 2 and annular groove 21 link together,
In the present embodiment, it is preferable that the both ends of cylinder 2 are fixedly connected by welding integral knot with a lateral wall of annular groove 21
Structure.
Tension mechanism can make close by seal 3 and cooperatively forming for annular groove 21 between cylinder 2 and pipe to be measured 1
Envelope connection, the structure of tension mechanism have a multiple choices, and the tension mechanism in the present embodiment includes hydraulic means and hydraulic cavities 4,
Hydraulic cavities 4 are formed between annular groove 21 and seal 3, and the through hole 41 of connection hydraulic means pipeline is offered in hydraulic cavities 4,
Tension mechanism, which can make to be formed by seal 3 between cylinder 2 and pipe to be measured 1, to be tightly connected, from simple in construction and cost angle
For degree, seal 3 is preferably sealing ring.
In order to reduce the manufacturing cost of sealing ring and meanwhile facilitate sealing ring in the presence of tension mechanism with annular groove 21
Cooperation between cylinder 2 and pipe to be measured 1 formed seal, in the present embodiment, the sidewall sections of annular groove 21 are exposed to
Outside the periphery wall of cylinder 2, and the radial dimension between the top of the side wall of annular groove 21 and the internal perisporium of pipe to be measured 1 is less than cylinder
Radial dimension between 2 and pipe to be measured 1；The external diameter of cylinder 2 is less than the internal diameter of pipe 1 to be measured, and cylinder 2 and pipe to be measured
Enclose to form hydraulic pressure chamber 5 with seal 3 in the presence of tension mechanism between 1, by controlling the hydraulic pressure in hydraulic cavities 4 so that
Sealing ring swelling, so that realizing that sealing connects by the cooperation of sealing ring and annular groove 21 between cylinder 2 and pipe to be measured 1
Connect, and then cause hydraulic pressure chamber 5 to form sealing hydraulic pressure chamber 5, the water filling port of water filling in oriented hydraulic pressure chamber 5 is opened up on the perisporium of cylinder 2
22, valve (not shown) is provided with water filling port 22；, can be by adjusting sealing ring and treating test tube during water filling
Gap (i.e. hydraulic pressure chamber 5 leaves space) is left between son 1, and discharges the gas in hydraulic pressure chamber 5；And in order that gas can be more square
Just discharge, exhaust outlet 7 is provided with the perisporium of the cylinder 2 of the pipe hydraulic pressure detection device of the present embodiment.
For convenience effortlessly being moved to cylinder 2 needs in pipe to be detected and conveniently supports cylinder 2, pipe hydraulic pressure
Detection device also includes that the mobile device that cylinder 2 moves in pipe 1 to be measured can be facilitated, and mobile device includes multiple supports
Wheel 61, multiple support wheels 61 are circumferentially arranged on the periphery wall of cylinder 2, and multiple implications is at least three in the present embodiment
The individual meaning, in the present embodiment, in order that cylinder 2 is more swimmingly moved in pipe 1 to be measured, the two of the periphery wall of cylinder 2
End is circumferentially provided with 4 support wheels 61, and when cylinder 2 is placed in pipe 1 to be measured, support wheel 61 is located at the periphery wall of cylinder 2
Between the internal perisporium of pipe 1 to be measured；For the ease of the installation of support wheel 61, hydraulic pressure detection is more convenient for, it is preferable that cylinder 2
Periphery wall extends inwardly to form the storage tank 23 that can house support wheel 61.
In order that obtaining the movement more stable in pipe 1 to be measured of cylinder 2, prevent cylinder 2 from being rocked in pipe 1 to be measured,
And the mouth of pipe of cylinder 2 and pipe to be measured 1 is caused to damage, pipe hydraulic pressure detection, which sets also to include, can be easy to cylinder 2 to slide
Enter the directive wheel 62 in pipe 1 to be measured, directive wheel 62 is arranged at the forward end of at least one end of cylinder 2, specifically, the present embodiment
Middle directive wheel 62 has 4, the circumferentially arranged forward end and directive wheel in the lateral wall one end of annular groove 21 of 4 directive wheels 62
62 are set along the axial direction of the internal perisporium of pipe 1 to be measured.
The course of work of the pipe hydraulic pressure detection device is as follows：
Pipe hydraulic pressure detection device is moved in pipe 1 to be measured, adjusts the hydraulic pressure in hydraulic cavities 4 so that cylinder 2 is with treating
Realized and be tightly connected by sealing ring between test tube 1, the then water filling into the hydraulic pressure chamber 5 of sealing, and being discharged by exhaust outlet 7
Gas in hydraulic pressure chamber 5, finally detect the inwall of pipe 1 to be measured and bear whether pressure reaches testing standard value, realize the water pressure test；
After the completion of detection, pressure release is carried out to hydraulic pressure chamber 5 by the valve for opening water filling port 22, the hydraulic pressure then adjusted in hydraulic cavities 4 makes
Sealing ring resets, and finally discharges the water in water outlet pressure chamber 5, you can carry out the test of lower section of a pipe.
Pipe hydraulic pressure detection device in the present embodiment, not by pipe length limitation, pipe can be detected paragraph by paragraph,
Using more facilitating, the pipe hydraulic pressure detection device can apply in the big-inch pipes such as steel pipe, glass reinforced plastic pipe, but actual
In, due to needing to set pipeline in cylinder, then the present embodiment is especially suitable in steel pipe of the cylinder external diameter more than 1.0 meters.
Claims (10)
1. a kind of pipe hydraulic pressure detection device, including cylinder (2), the cylinder (2) can be built in pipe to be measured (1), its
It is characterised by：The annular groove (21) of opening outwardly is provided at both ends with the outside of the cylinder (2), is set in the annular groove (21)
Seal (3) is equipped with, also including can make to form sealed connection by seal (3) between cylinder (2) and pipe to be measured (1)
Tension mechanism, the external diameter of the cylinder (2) is less than the internal diameter of pipe to be measured (1), and cylinder (2) and pipe to be measured (1) it
Between enclose to form hydraulic pressure chamber (5) with seal (3) in the presence of tension mechanism, opened up on the perisporium of the cylinder (2) oriented
The water filling port (22) of hydraulic pressure chamber (5) interior water filling.
2. pipe hydraulic pressure detection device according to claim 1, it is characterised in that：The side of sidewall portion of the annular groove (21)
Divide and be exposed to outside cylinder (2) periphery wall, and the footpath between the top of annular groove (21) side wall and pipe to be measured (1) internal perisporium
It is less than the radial dimension between cylinder (2) and pipe to be measured (1) to size.
3. pipe hydraulic pressure detection device according to claim 1, it is characterised in that：The seal (3) is sealing ring, institute
Stating sealing ring can be pressed on the internal perisporium of pipe to be measured (1) in the presence of tension mechanism.
4. pipe hydraulic pressure detection device according to claim 1, it is characterised in that：The tension mechanism includes hydraulic pressure dress
Put and be formed at hydraulic cavities (4), the hydraulic cavities (4) between the annular groove (21) and seal (3), the hydraulic cavities
(4) through hole (41) of connection hydraulic means pipeline is offered in.
5. pipe hydraulic pressure detection device according to claim 1, it is characterised in that：Also include exhaust outlet (7), the row
Gas port (7) is arranged on the perisporium of cylinder (2).
6. pipe hydraulic pressure detection device according to any one of claim 1 to 5, it is characterised in that：Also including can
The mobile device for facilitating cylinder (2) to be moved in pipe to be measured (1), the mobile device are arranged on cylinder (2).
7. pipe hydraulic pressure detection device according to claim 6, it is characterised in that：The mobile device includes multiple
Support wheel (61), multiple support wheels (61) are circumferentially arranged on the periphery wall of cylinder (2).
8. pipe hydraulic pressure detection device according to claim 7, it is characterised in that：On the periphery wall of the cylinder (2) to
Interior extension is formed with the storage tank (23) that can house the support wheel (61).
9. pipe hydraulic pressure detection device according to claim 1, it is characterised in that：Cylinder (2) can be easy to by also including
The directive wheel (62) slipped into pipe to be measured (1), the directive wheel (62) are arranged at the front end end of the cylinder (2) at least one end
Portion.
10. pipe hydraulic pressure detection device according to claim 1, it is characterised in that：The both ends of the cylinder (2) are and ring
One lateral wall of connected in star (21) is fixedly connected by welding into a single integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792068.7U CN206818534U (en) | 2017-07-03 | 2017-07-03 | Pipe hydraulic pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792068.7U CN206818534U (en) | 2017-07-03 | 2017-07-03 | Pipe hydraulic pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818534U true CN206818534U (en) | 2017-12-29 |
Family
ID=60762704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720792068.7U Active CN206818534U (en) | 2017-07-03 | 2017-07-03 | Pipe hydraulic pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206818534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144473A (en) * | 2017-07-03 | 2017-09-08 | 宁波友宁钢管有限公司 | Pipe hydraulic pressure detection device |
| CN108507869A (en) * | 2018-06-21 | 2018-09-07 | 中国重型机械研究院股份公司 | A kind of Large Diameter Pipeline steel tube water pressure test system and method |
-
2017
- 2017-07-03 CN CN201720792068.7U patent/CN206818534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144473A (en) * | 2017-07-03 | 2017-09-08 | 宁波友宁钢管有限公司 | Pipe hydraulic pressure detection device |
| CN108507869A (en) * | 2018-06-21 | 2018-09-07 | 中国重型机械研究院股份公司 | A kind of Large Diameter Pipeline steel tube water pressure test system and method |
| CN108507869B (en) * | 2018-06-21 | 2023-11-07 | 中国重型机械研究院股份公司 | Hydraulic test system and method for large-diameter steel pipe |
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