CN209372342U - Self-sealed pressure test device for heat exchange tubes - Google Patents
Self-sealed pressure test device for heat exchange tubes Download PDFInfo
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- CN209372342U CN209372342U CN201920152441.1U CN201920152441U CN209372342U CN 209372342 U CN209372342 U CN 209372342U CN 201920152441 U CN201920152441 U CN 201920152441U CN 209372342 U CN209372342 U CN 209372342U
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Abstract
The self-sealed pressure test device for heat exchange tubes of the utility model, including bottom beam, top beam, end plate and two groups of support components, two groups of support components are relatively mounted on bottom beam, every group of support component includes support, pressure text head and pushing mechanism, support is connect with bottom beam, pressure text head is slidably mounted on support, and is fixed in predeterminated position；Pushing mechanism is separately connected support and pressure text head, to push pressure text head to slide toward another support component direction；Pressure text head is equipped with the water inlet discharge outlet, inner cavity, seal groove and the targeting port that are sequentially communicated, and targeting port is tapered, and seal groove is equipped with lip-shaped sealed ring, and the opening of lip-shaped sealed ring is towards inner cavity；Top beam and bottom beam are respectively provided with the radial hold-down mechanism for pushing against heat exchanger tube, and end plate connect with bottom beam and props up top beam.This pressure testing device it is easy to operate, securely and reliably, it is easy to accomplish automation, different size heat exchanger tube can be rapidly adapted to, can efficiently complete heat exchanger tube pressure testing.
Description
Technical field
The utility model relates to petrochemical equipment technical fields, and in particular to self-sealed pressure test device for heat exchange tubes.
Background technique
Heat exchanger is used as the most frequently used equipment in petrochemical plant for a long time, and wherein heat exchanger tube has become restriction equipment and integrally makes
An important factor for the service life.Many heat exchanger tubes have just leaked during the main pressure-containing parts normal use of equipment, cause to need
Part heat exchange blockage, or even replacement whole equipment.It is required according to Steel tube standard, heat exchanger tube, which is generally required, carries out water by root
Pressure test.If the pressure testing again after the completion of whole equipment group is welded, once heat exchanger tube leaks, it will be difficult to it reprocesses, especially for
Complicated heat exchanger, such as rapid-cooling heat exchanger, exchange heat pipe is necessary by the root water pressure test before set of heat exchange tubes weldering.
Currently used heat exchanger tube pressure testing mode mainly has internal expansion type, external seal formula, end sealing formula etc..Such as Publication No.
The different heat exchanger tube pressure testing mode of the disclosure of the invention such as CN101435757, CN202648879, CN20404400, but these tradition
Mode it is unstable, be unfavorable for realize automation, more than the high pressure of 20MPa test when seal it is unreliable.
Therefore, in view of the above-mentioned problems, providing a kind of technology of the pressure testing device of high efficient and reliable completion heat exchanger tube water pressure test
It is particularly important.
Summary of the invention
For the prior art there are above-mentioned technical problem, the utility model provides a kind of reliable and stable self-sealed heat exchange
Pipe pressure testing device.
To achieve the above object, the utility model the following technical schemes are provided:
Self-sealed pressure test device for heat exchange tubes, including bottom beam, top beam, end plate and two groups of support components, two groups of supports are provided
Component is relatively mounted on bottom beam, and every group of support component includes support, pressure text head and pushing mechanism, and support is connect with bottom beam, examination
Pressure head is slidably mounted on support, and is fixed in predeterminated position；Pushing mechanism is separately connected support and pressure text head, to push
Pressure text head is slided toward another support component direction；Pressure text head is equipped with the water inlet discharge outlet being sequentially communicated, inner cavity, seal groove and leads
To mouth, targeting port is tapered, and seal groove is equipped with lip-shaped sealed ring, and the opening of lip-shaped sealed ring is towards inner cavity；Top beam and bottom beam
It is respectively provided with the radial hold-down mechanism for pushing against heat exchanger tube, end plate connect with bottom beam and props up top beam.
Wherein, hold-down mechanism includes the lower die for connecting bottom beam and the upper mold of connection top beam, the abutting heat exchange of upper die and lower die
The end of pipe is in semicircle shape or V-shape.
Wherein, the upper die and lower die have multiple respectively.
Wherein, pressure text head is equipped with the push-rod hole being inserted into for pushing mechanism.
Wherein, support component further includes positioning plate and fixed pin, is fixed on positioning plate on support, on positioning plate and pressure text head
It is equipped with location hole, fixed pin passes through the location hole of positioning plate and pressure text head, so that pressure text head is fixed in predeterminated position.
Wherein, the water inlet discharge outlet is threaded hole.
Wherein, bottom beam is provided with strip-shaped hole, and support is worn towards after close to or far from the adjustment of another support component direction by bolt
The strip-shaped hole for crossing bottom beam is fixed on bottom beam.
Wherein, the lip-shaped sealed ring is U-shaped or y-shaped ring.
The utility model has the beneficial effects that
The self-sealed pressure test device for heat exchange tubes of the utility model, in use, the both ends of heat exchanger tube are inserted into two groups respectively
In the corresponding pressure text head of support component, due to being provided with lip-shaped sealed ring, and the opening of lip-shaped sealed ring is towards inner cavity, therefore makes
Used time hydraulic pressure can support lip-shaped sealed ring greatly, and the more big corresponding sealing performance of hydraulic pressure is better, can satisfy high pressure test
It is required that.Since top beam and bottom beam are respectively provided with the radial hold-down mechanism for pushing against heat exchanger tube, the support for exchanging heat pipe is steady
It is fixed reliable, ensure that test is gone on smoothly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the self-sealed pressure test device for heat exchange tubes in embodiment.
Fig. 2 is the schematic diagram of the pressure text head in embodiment.
Appended drawing reference:
Bottom beam 1；Support 2；Pushing mechanism 3；
Pressure text head 4, water inlet discharge outlet 41, inner cavity 42, seal groove 43, targeting port 44, location hole 45, push-rod hole 46；
Lip-shaped sealed ring 5；Heat exchanger tube 6；Hold-down mechanism 7；End plate 8；Top beam 9.
Specific embodiment
The utility model is described in detail below in conjunction with specific embodiments and drawings.
The self-sealed pressure test device for heat exchange tubes of the present embodiment, as depicted in figs. 1 and 2, including bottom beam 1, top beam 9, end plate 8
With two groups of support components, for two groups of support components or so relatively on bottom beam 1, every group of support component includes support 2, pressure text head
4 and pushing mechanism 3, bottom beam 1 is provided with strip-shaped hole, after support 2 or so adjusts, is fixed on by the strip-shaped hole that bolt passes through bottom beam 1
On bottom beam 1, different location and fixation of the support 2 in bottom beam 1 can be quickly adjusted, adapts to different length heat exchanger tube 6.Pressure text head 4
It is slidably mounted on support 2.Pressure text head 4 is equipped with the push-rod hole 46 being inserted into for pushing mechanism 3, and pushing mechanism 3 is push rod, point
Other connecting support 2 is finely tuned between two pressure text heads 4 with pressure text head 4 with pushing pressure text head 4 to slide toward another support component direction
Distance, realize pressure text head 4 be set to 6 both ends of heat exchanger tube.Support component further includes positioning plate and fixed pin not shown in the figure, fixed
Position plate is fixed on support 2, and pressure text head 4 is equipped with location hole 45, and positioning plate is correspondingly provided with multiple corresponding location holes, and fixed pin is worn
The location hole 45 of positioning plate Yu pressure text head 4 is crossed, so that pressure text head 4 is fixed in predeterminated position, when pressure testing, pressure text head 4 is held
The extrapolability received will not be transmitted on push rod, play the role of protecting pushing mechanism 3.45 diameter of location hole on pressure text head 4 omits
Greater than the location hole on positioning plate, positioning pin is facilitated to be inserted into.Pressure text head 4 is equipped with the water inlet discharge outlet 41, interior being sequentially communicated
Chamber 42, seal groove 43 and targeting port 44, water inlet discharge outlet 41 are threaded hole, and the convenient water filling pressure device with periphery is connect.It leads
Tapered to mouth 44, seal groove 43 is equipped with lip-shaped sealed ring 5, and the opening of lip-shaped sealed ring 5 is towards inner cavity 42, lip-shaped sealed ring
5 be U-shaped or y-shaped ring, and the diameter of seal groove 43 is slightly less than 5 outside diameter of lip-shaped sealed ring.
Top beam 9 and bottom beam 1 are respectively provided with the radial hold-down mechanism 7 for pushing against heat exchanger tube 6, end plate 8 connect with bottom beam 1 and
Prop up top beam 9.Hold-down mechanism 7 includes the lower die of connection bottom beam 1 and the upper mold of connection top beam 9, the abutting heat exchange of upper die and lower die
The end of pipe 6 is in semicircle shape or V-shape, increases the contact area of pressing mold and heat exchanger tube 6, heat exchanger tube 6 is avoided to weigh wounded.Upper mold in figure
With lower die respectively there are two, practical upper die and lower die should respectively be no less than three, two of them are another close to 6 both ends of heat exchanger tube
It is a to be located among heat exchanger tube 6.
Use process: when specific works, suitable pressure text head 4 is selected according to the outer diameter of heat exchanger tube 6, pressure text head 4 is installed to
It connect on support 2 with pushing mechanism 3, behind 6 length adjustment support of heat exchanger tube, 2 position, support 2 is fixed on bottom beam 1, two
Distance is slightly larger than 6 length of heat exchanger tube between a 4 inner side end of pressure text head, while adjusting the position of hold-down mechanism 7.By heat exchanger tube 6
It is placed in the lower die of hold-down mechanism 7, pressure text head 4 is pushed by pushing mechanism 3, two pressure text heads 4 are set to 6 both ends of heat exchanger tube and are properly grown
Degree.The upper mold of hold-down mechanism 7 pushes fixed heat exchanger tube 6, the fixed pressure text head 4 of insertion positioning pin.In pressure text head 4 and heat exchanger tube 6
Water filling, the drainage switch of pressure text head 4 is closed after water is full, and water filling pressure device starts to suppress, and the hydraulic pressure in seal groove 43 is by lip type
The epipharynx of sealing ring 5 plays the role of self-sealing toward internal pressure, outer lip toward external pressure.Automatic pressure-maintaining after pressure reaches setting value is protected
Pressure starts pressure release after reaching setting time, and drainage switch opens draining later.After draining, the upper mold of hold-down mechanism 7 rises
Heat exchanger tube 6 is unclamped, heat exchanger tube 6 is moved on into drying station and is dried up.Above procedure is simple action, can be filled by control
It sets and is automatically performed.This pressure testing device it is easy to operate, securely and reliably, it is easy to accomplish automation, different size can be rapidly adapted to and changed
Heat pipe 6 can efficiently complete 6 pressure testing of heat exchanger tube.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. self-sealed pressure test device for heat exchange tubes, it is characterized in that: including bottom beam, top beam, end plate and two groups of support components, two groups of branch
Support component is relatively mounted on bottom beam, and every group of support component includes support, pressure text head and pushing mechanism, and support is connect with bottom beam,
Pressure text head is slidably mounted on support, and is fixed in predeterminated position；Pushing mechanism is separately connected support and pressure text head, to push away
Dynamic pressure text head is slided toward another support component direction；Pressure text head be equipped be sequentially communicated water inlet discharge outlet, inner cavity, seal groove and
Targeting port, targeting port is tapered, and seal groove is equipped with lip-shaped sealed ring, and the opening of lip-shaped sealed ring is towards inner cavity；Top beam and bottom
Beam is respectively provided with the radial hold-down mechanism for pushing against heat exchanger tube, and end plate connect with bottom beam and props up top beam.
2. self-sealed pressure test device for heat exchange tubes according to claim 1, it is characterized in that: hold-down mechanism includes connection bottom beam
Lower die and connection top beam upper mold, upper die and lower die abutting heat exchanger tube end be in semicircle shape or V-shape.
3. self-sealed pressure test device for heat exchange tubes according to claim 2, it is characterized in that: the upper die and lower die have respectively
It is multiple.
4. self-sealed pressure test device for heat exchange tubes according to claim 1, it is characterized in that: pressure text head is equipped with for pushing mechanism
The push-rod hole of insertion.
5. self-sealed pressure test device for heat exchange tubes according to claim 1, it is characterized in that: support component further includes positioning plate
And fixed pin, it is fixed on positioning plate on support, location hole is equipped on positioning plate and pressure text head, fixed pin passes through positioning plate and examination
The location hole of pressure head, so that pressure text head is fixed in predeterminated position.
6. self-sealed pressure test device for heat exchange tubes according to claim 1, it is characterized in that: the water inlet discharge outlet is screw thread
Hole.
7. self-sealed pressure test device for heat exchange tubes according to claim 1, it is characterized in that: bottom beam is provided with strip-shaped hole, support
Towards after close to or far from the adjustment of another support component direction, it is fixed on bottom beam by the strip-shaped hole that bolt passes through bottom beam.
8. self-sealed pressure test device for heat exchange tubes according to claim 1, it is characterized in that: the lip-shaped sealed ring is U-shaped
Or y-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152441.1U CN209372342U (en) | 2019-01-28 | 2019-01-28 | Self-sealed pressure test device for heat exchange tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152441.1U CN209372342U (en) | 2019-01-28 | 2019-01-28 | Self-sealed pressure test device for heat exchange tubes |
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| Publication Number | Publication Date |
|---|---|
| CN209372342U true CN209372342U (en) | 2019-09-10 |
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ID=67827122
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920152441.1U Active CN209372342U (en) | 2019-01-28 | 2019-01-28 | Self-sealed pressure test device for heat exchange tubes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344023A (en) * | 2020-10-27 | 2021-02-09 | 常德翔宇设备制造有限公司 | Assembled separation pressure testing sealing device |
-
2019
- 2019-01-28 CN CN201920152441.1U patent/CN209372342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344023A (en) * | 2020-10-27 | 2021-02-09 | 常德翔宇设备制造有限公司 | Assembled separation pressure testing sealing device |
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