CN205940265U - Heat exchange tube is fixing device for pressure testing - Google Patents
Heat exchange tube is fixing device for pressure testing Download PDFInfo
- Publication number
- CN205940265U CN205940265U CN201620906556.1U CN201620906556U CN205940265U CN 205940265 U CN205940265 U CN 205940265U CN 201620906556 U CN201620906556 U CN 201620906556U CN 205940265 U CN205940265 U CN 205940265U
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- CN
- China
- Prior art keywords
- fixing device
- pressure testing
- top board
- heat exchanger
- spanner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a heat exchange tube is fixing device for pressure testing, including tube sheet, mounting flange, the fastening device of setting above the barrel, wherein, fastening device includes top board, intermediate part, holding down plate, connecting rod and spanner, is provided with the through -hole on the top board, and the connecting rod passes the through -hole, on the one end end is fixed in the intermediate part, and one end and wrench connecting. The utility model has the advantages of through fixing device's setting, can only need pass through fixing device fixed mounting flange and tube sheet, reliable and simple in the time of the pressure testing to can repeatedly try out, try out the heat exchanger not unidimensional and structure.
Description
Technical field
The utility model is related to field of heat exchangers, particularly to a kind of heat exchanger tube pressure testing fixing device.
Background technology
The structure of heat exchanger mainly includes:Cylinder, the top of cylinder is provided with the tube sheet with pore, and the head of cylinder sets
It is equipped with mounting flange, the outer end of tube sheet is provided with bobbin carriage, and bobbin carriage is fixedly connected in shell-side cylinder by mounting flange, in cylinder
It is provided with some heat exchanger tubes, being weldingly fixed in the pore on tube sheet of heat exchanger tube.During making heat exchanger, it is first right to need
Cylinder carries out pressure testing test, checks with this whether the weld seam between tube sheet and heat exchanger tube has the situation of seepage.During pressure testing test then
Need tube sheet sealing is fixed on cylinder, being fixedly connected between traditional tube sheet and shell-side cylinder be by other make with
The pressure testing flange that mounting flange matches, during pressure testing test, by pressure testing flange be arranged on tube sheet outer and with shell-side cylinder on peace
Dress flange is fixedly connected.But, the shell-side cylinder of different size model then needs to make the pressure testing flange of different size model, examination
Pressure flange can not be reused, thus leading to heat exchanger cost of manufacture higher.
Utility model content
In order to solve above-mentioned technical problem, the utility model provides a kind of heat exchanger tube pressure testing fixing device, including pipe
Plate, it is arranged on mounting flange above cylinder, retention mechanism, wherein, described retention mechanism includes top board, pars intermedia, pushes
Plate, connecting rod and spanner, are provided with through hole on top board, and connecting rod passes through through hole, and one end end is fixed on pars intermedia, one end
It is connected with spanner.
Preferably, above top board, it is provided with backing plate between spanner and top board.
Preferably, described backing plate and top board are threaded connection, backing plate can by threaded adjusting backing plate and top board it
Between distance.
Preferably, described pars intermedia includes telescopic adjustment portion, is provided with corresponding fluting on lower platen, and telescopic adjustment portion is arranged
In fluting.
Preferably, described telescopic adjustment portion and fluting between be threadably secured, by screw thread, can adjust top board and
The distance between pars intermedia.
Preferably, described top board inner surface is provided with opening.
Preferably, described spanner and one end of connecting rod are fixed by rotating shaft, and spanner can rotate around the axis, and spanner bottom is wrapped
Include at least one plane and a cambered surface.
Preferably, it is provided with elastomeric pad between upper compressing tablet and pars intermedia.
Of the present utility model has the beneficial effects that：By the setting of fixing device, can only need to lead in pressure testing
Cross fixing device fixed installation flange and tube sheet, simple, and can repeat to try out, the changing of different size on probation and structure
Hot device.
Brief description
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is further elucidated with.
Fig. 1 is heat exchanger tube pressure testing fixing device assembly structure diagram of the present utility model.
Fig. 2 is the enlarged drawing of the utility model fixing device.
Specific embodiment
In conjunction with Fig. 1,2, the utility model is elaborated.
As shown in Figure 1, 2, the utility model provides a kind of heat exchanger tube pressure testing fixing device, including tube sheet 11, setting
Mounting flange above cylinder 12, retention mechanism 20, wherein, described retention mechanism 20 include top board 24, pars intermedia 23, under
Pressing plate 25, connecting rod 22 and spanner 21, are provided with through hole on top board, and connecting rod 22 passes through through hole, during one end end is fixed on
Between in portion 23, one end is connected with spanner 21.By the rotation of spanner 21, fixing device can be tightened up and be loosened, thus
Realize the folding and unfolding of mounting flange and tube sheet.Fixture structure of the present utility model is simple, easy to operate.Spanner and connecting rod
One end is fixed by rotating shaft, and spanner can rotate around the axis, and spanner bottom includes at least one plane and a cambered surface.Spanner is when rotating
Wait, thus it is possible to vary spacing between bottom surface and top board for the spanner, reality is loosened and the purpose tightened up.
Preferably, in the present embodiment, above top board 24, between spanner 21 and top board 24, it is provided with backing plate.
Backing plate is threaded connection with top board 24, and backing plate can be by the distance between threaded adjusting backing plate and top board.By adjusting
The height of backing plate, such that it is able to adjust the dynamics that spanner is tightened up when pulling, to all kinds of models, heat exchanger herein can be more preferably
Be suitable for.
It is furthermore preferred that pars intermedia 23 includes telescopic adjustment portion 231, corresponding fluting, telescopic adjustment are provided with lower platen 25
Portion 231 is arranged in fluting.By the setting in telescopic adjustment portion, so that the size adjustable of fixing device, thus being applied to
The heat exchanger pressure testing of needles of various sizes.
Preferably, it is threadably secured between telescopic adjustment portion 231 and fluting, by screw thread, top board 24 can be adjusted
The distance between with pars intermedia 23.
Preferably, opening is provided with top board inner surface, the setting of opening can be stung with increasing friction force and pressure, enhancing
Make a concerted effort to spend.
Preferably, it is provided with elastomeric pad between upper compressing tablet and pars intermedia.
Elaborate a lot of details in order to fully understand the utility model in the above description.But above description
It is only preferred embodiment of the present utility model, the utility model can be come with being much different from alternate manner described here
Implement, therefore the utility model is not embodied as being limited by disclosed above.Any those skilled in the art exist simultaneously
New to this practicality without departing from the methods and techniques content that the disclosure above under technical solutions of the utility model ambit, all can be utilized
Type technical scheme makes many possible variations and modification, or the Equivalent embodiments being revised as equivalent variations.Every without departing from this
The content of utility model technical scheme, any simply repaiies to made for any of the above embodiments according to technical spirit of the present utility model
Change, equivalent variations and modification, all still fall within the range of technical solutions of the utility model protection.
Claims (8)
1. a kind of heat exchanger tube pressure testing fixing device, including tube sheet, is arranged on mounting flange above cylinder, retention mechanism, its
It is characterised by, described retention mechanism includes top board, pars intermedia, lower platen, connecting rod and spanner, top board is provided with logical
Hole, connecting rod passes through through hole, and one end end is fixed on pars intermedia, and one end is connected with spanner.
2. heat exchanger tube pressure testing fixing device as claimed in claim 1 is it is characterised in that described spanner is arranged on top board
Side, is provided with backing plate between spanner and top board.
3. heat exchanger tube pressure testing fixing device as claimed in claim 2 is it is characterised in that described backing plate passes through spiral shell with top board
Line connects, and backing plate can be by the distance between threaded adjusting backing plate and top board.
4. heat exchanger tube pressure testing fixing device as claimed in claim 1 is it is characterised in that described pars intermedia includes telescopic adjustment
Portion, is provided with corresponding fluting on lower platen, and telescopic adjustment portion is arranged in fluting.
5. heat exchanger tube pressure testing fixing device as claimed in claim 4 is it is characterised in that described telescopic adjustment portion and fluting
Between be threadably secured, by screw thread, the distance between top board and pars intermedia can be adjusted.
6. heat exchanger tube pressure testing fixing device as claimed in claim 1 is it is characterised in that described top board inner surface is provided with
Opening.
7. heat exchanger tube pressure testing fixing device as claimed in claim 1 is it is characterised in that one end of described spanner and connecting rod
Fixed by rotating shaft, spanner can rotate around the axis, spanner bottom includes at least one plane and a cambered surface.
8. heat exchanger tube pressure testing fixing device as claimed in claim 1 is it is characterised in that set between upper compressing tablet and pars intermedia
It is equipped with elastomeric pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906556.1U CN205940265U (en) | 2016-08-19 | 2016-08-19 | Heat exchange tube is fixing device for pressure testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906556.1U CN205940265U (en) | 2016-08-19 | 2016-08-19 | Heat exchange tube is fixing device for pressure testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940265U true CN205940265U (en) | 2017-02-08 |
Family
ID=57947336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620906556.1U Active CN205940265U (en) | 2016-08-19 | 2016-08-19 | Heat exchange tube is fixing device for pressure testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197130B (en) * | 2016-08-19 | 2019-01-22 | 江苏民生重工有限公司 | A kind of fixed device of heat exchanger tube pressure testing |
-
2016
- 2016-08-19 CN CN201620906556.1U patent/CN205940265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197130B (en) * | 2016-08-19 | 2019-01-22 | 江苏民生重工有限公司 | A kind of fixed device of heat exchanger tube pressure testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |