CN219799059U - Membrane tube deformation test device - Google Patents
Membrane tube deformation test device Download PDFInfo
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- CN219799059U CN219799059U CN202321181304.3U CN202321181304U CN219799059U CN 219799059 U CN219799059 U CN 219799059U CN 202321181304 U CN202321181304 U CN 202321181304U CN 219799059 U CN219799059 U CN 219799059U
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- membrane tube
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- 239000012528 membrane Substances 0.000 title claims abstract description 161
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model provides a membrane tube deformation test device which comprises a support, a membrane shell fixedly arranged on the support, an end cover fixedly connected with one end of the membrane shell through a clamp, a measuring device fixed at the other end of the membrane shell, a pressure control pipeline connected with the end cover and a temperature control mechanism arranged on the outer wall of the membrane shell.
Description
Technical Field
The utility model belongs to the technical field of tubular membrane testing equipment, and particularly relates to a membrane tube deformation testing device.
Background
In the research, development, production and use processes of the tubular membrane, the elongation and the outer diameter variation of the membrane tube under different pressures and temperatures are required to be detected so as to grasp the deformation characteristics of the membrane tube under different temperatures and different pressures and ensure the product quality, so that how to design a membrane tube deformation test device for the tubular membrane is a problem which needs to be solved by a person skilled in the art.
Disclosure of Invention
The utility model aims to solve the problem of providing a membrane tube deformation test device which is simple in structure, convenient to operate and accurate in measurement.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a membrane pipe deformation test device, includes support, fixed membrane shell that sets up on the support, through clamp and membrane shell one end fixed connection's end cover, fix the measuring device at the membrane shell other end, with the accuse pressure line of end cover connection and set up the temperature control mechanism at the membrane shell outer wall, measuring device includes membrane pipe standing groove and fixes laser length measuring instrument and the laser calliper at membrane pipe standing groove both ends respectively, measuring device passes through laser calliper and membrane shell fixed connection, be provided with the membrane pipe in the membrane shell, the one end of membrane pipe is through fixed end and end cover fixed connection, fixed end is linked together with accuse pressure line, the other end of membrane pipe passes laser calliper and is located membrane pipe standing groove and through fixed end and blind fixed connection.
Further, sealing gaskets are arranged between the membrane shell and the end cover, and annular positioning grooves matched with the sealing gaskets are formed in the membrane shell and the end cover and used for fixing the sealing gaskets.
Further, the end cover is provided with the inserted bar with the fixed one end of membrane shell, be provided with on the membrane shell with inserted bar assorted jack for fixed end cover and the hookup location of membrane shell.
Further, the pressure control pipeline comprises an air source connecting pipeline, the air outlet end of the air source connecting pipeline is connected with the air inlet end of the air inlet pipeline through a pressure gauge pressure regulating valve, the air outlet end of the air inlet pipeline is respectively connected with an air inlet branch and an air outlet branch, the air outlet end of the air inlet branch is fixedly connected with an end cover through a quick connector, the quick connector is fixed on the end cover, the air inlet pipeline is provided with a pressure supply valve, and the air outlet branch is provided with a pressure discharge valve.
Further, the temperature control mechanism comprises a heat tracing belt wound on the outer wall of the membrane shell, a temperature probe penetrating through the outer wall of the membrane shell and located inside the membrane shell, and a heat preservation cotton layer wrapped on the outer wall of the membrane shell, wherein the heat tracing belt and the temperature probe are electrically connected with the temperature controller.
Further, the fixed end head comprises a first end head and a second end head which is in threaded connection with the first end head, the first end head and the second end head are internally provided with a hollow cavity which penetrates through the first end head, the first end head comprises a membrane tube plug, a first threaded portion, a hexagonal screwing boss and a second threaded portion which are sequentially and fixedly connected, the membrane tube plug comprises a straight barrel portion connected with the first threaded portion and a conical table portion arranged on the straight barrel portion, the outer diameter of the first threaded portion is larger than that of the straight barrel portion, and a third threaded portion matched with the first threaded portion and a pressing boss matched with the straight barrel portion are arranged in the hollow cavity of the second end head.
Compared with the prior art, the utility model has the advantages and beneficial effects that:
according to the membrane tube deformation test device, the membrane tube is placed in the membrane shell, the temperature in the membrane shell is regulated and controlled through the temperature control mechanism, meanwhile, one end of the membrane tube is connected with the end cover to be communicated with the air source, the other end of the membrane tube is positioned in the membrane tube placing groove, the laser length measuring instrument and the laser diameter measuring instrument are used for measuring the length and the diameter of the membrane tube, the measurement of the elongation and the outer diameter variation of the membrane tube under different temperatures and different pressures can be realized, the device is simple in structure, convenient to operate and accurate in measurement.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a membrane tube deformation test apparatus according to the present utility model.
FIG. 2 is a schematic diagram showing an exploded structure of the connection between an end cap and a membrane tube of a membrane tube deformation test apparatus according to the present utility model.
FIG. 3 is a schematic view of the first end of a membrane tube deformation test apparatus according to the present utility model.
FIG. 4 is a schematic cross-sectional view of a second end of a tube deformation testing apparatus according to the present utility model.
FIG. 5 is a schematic cross-sectional view of a membrane tube deformation test apparatus of the present utility model, with one side of the membrane tube connected to a stationary terminal.
In the figure: 1-a bracket; 2-a membrane shell; 3-clamping; 4-end caps; 5-a membrane tube placing groove; 6-a laser length measuring instrument; 7-a laser calliper; 8-membrane tube; 9-fixing the end head; 10-blind plugging; 11-a sealing gasket; 12-an annular positioning groove; 13-inserting a rod; 14-jacks; 15-an air source connecting pipeline; 16-a pressure regulating valve with a pressure gauge; 17-an air inlet pipeline; 18-an air inlet branch; 19-an exhaust branch; 20-quick connector; 21-a pressure supply valve; 22-a pressure relief valve; 23-heat tracing band; 24-temperature probe; 25-a heat preservation cotton layer; 26-a first head; 27-a second end; 28-hollow cavity; 29-membrane tube plug; 30-a first threaded portion; 31-hexagonal screwing the boss; 32-a second threaded portion; 33-a straight barrel portion; 34-a conical land; 35-a third threaded portion; 36-pressing the boss.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1-2, a membrane tube deformation test device comprises a support 1, a membrane shell 2 fixedly arranged on the support 1, an end cover 4 fixedly connected with one end of the membrane shell 2 through a clamp 3, a measuring device fixed at the other end of the membrane shell 2, a pressure control pipeline connected with the end cover 4 and a temperature control mechanism arranged on the outer wall of the membrane shell 2, wherein the measuring device comprises a membrane tube placing groove 5, a laser length measuring instrument 6 and a laser diameter measuring instrument 7 respectively fixed at two ends of the membrane tube placing groove 5, the measuring device is fixedly connected with the membrane shell 2 through the laser diameter measuring instrument 7, a membrane tube 8 is arranged in the membrane shell 2, one end of the membrane tube 8 is fixedly connected with the end cover 4 through a fixed end head 9, the fixed end head 9 is communicated with the pressure control pipeline, and the other end of the membrane tube 8 passes through the laser diameter measuring instrument 7 to be positioned in the membrane tube placing groove 5 and is fixedly connected with a blind plug 10 through the fixed end head 9.
Specifically, after the membrane tube 8 is placed in the membrane shell 2, one end of the membrane tube 8 is connected with the end cover 4 and is communicated with the pressure control pipeline, the other end of the membrane tube 8 is sealed by the blind plug 10, so that the pressure of gas entering the membrane tube 8 can be controlled through the pressure control pipeline, meanwhile, the temperature in the membrane shell 2 is controlled through the temperature control mechanism, after the specific temperature is reached, the initial length and the initial pipe diameter of the membrane tube 8 are measured by the laser length measuring instrument 6 and the laser diameter measuring instrument 7, after the specific pressure is reached, the length change of the membrane tube is measured again through the laser length measuring instrument 6, and the pipe diameter change of the membrane tube is measured through the laser diameter measuring instrument 7.
Wherein, the fixed connection relation between the membrane shell 2 and the bracket 1, the membrane shell 2 and the measuring device and each structure of the measuring device is welded connection, and the laser length measuring instrument 6 and the laser diameter measuring instrument 7 are all in the prior art, and the principle thereof is not repeated here.
Further, be provided with sealing gasket 11 between membrane shell 2 and the end cover 4, all be provided with on membrane shell 2 and the end cover 4 with sealing gasket 11 assorted annular constant head tank 12 for sealing gasket 11's fixed, set up sealing gasket 11 and be used for guaranteeing the sealed effect of membrane shell 2 and end cover 4 junction, set up annular constant head tank 12 and fix sealing gasket 11, can further improve the leakproofness that both connect.
Further, the inserted link 13 is arranged at the fixed end of the end cover 4 and the membrane shell 2, the jack 14 matched with the inserted link 13 is arranged on the membrane shell 2 and used for fixing the connection position of the end cover 4 and the membrane shell 2, so that the position of the membrane tube 8 is fixed after the end cover 4 is connected with the membrane shell 2 each time, the other end of the membrane tube 8 just faces the signal receiving window of the laser length measuring instrument 6, and the measuring accuracy is improved.
Specifically, the connection process of the end cover 4 and the membrane shell 2 is as follows: firstly, after a membrane tube 8 passes through a membrane shell 2, the membrane tube 8 is fixedly connected with an end cover 4 through a fixed end head 9, then one end of a sealing gasket 11 is embedded into an annular positioning groove 12 of the membrane shell 2, then a plug rod 13 on the end cover 4 is inserted into a jack 14 on the membrane shell 2, at the moment, the other end of the sealing gasket 11 is just embedded into the annular positioning groove 12 of the end cover 4, and finally, the two are fixed through a clamp 3, thus the installation is completed.
Further, the pressure control pipeline comprises an air source connecting pipeline 15, an air outlet end of the air source connecting pipeline 15 is connected with an air inlet end of an air inlet pipeline 17 through a pressure meter pressure regulating valve 16, the air outlet end of the air inlet pipeline 17 is respectively connected with an air inlet branch 18 and an air outlet branch 19, the air outlet end of the air inlet branch 18 is fixedly connected with the end cover 4 through a quick connector 20, the quick connector 20 is fixed on the end cover 4, the air inlet pipeline 17 is provided with a pressure supply valve 21, and the air outlet branch 19 is provided with a pressure discharge valve 22.
Specifically, the air source connecting pipeline 15 is used for connecting an air supply device, the air pressure data in the pipe can be read in real time through the pressure regulating valve 16 with the pressure gauge, the air source sequentially enters the membrane pipe 8 through the air source connecting pipeline 15, the air inlet pipeline 17, the air inlet branch 18, the quick connector 20 and the fixed end 9, and the pressure in the membrane pipe 8 is regulated through the pressure regulating valve and the pressure supplying valve 21, and the specific regulation operation is as follows: firstly, the pressure supply valve 21 is closed, the pressure regulating valve 16 with the pressure gauge is opened, the pressure discharge valve 22 is closed after the pressure gauge data are read and regulated to corresponding pressure values, the pressure supply valve 21 is opened to pressurize the membrane tube 8, and after the test is finished, the pressure discharge valve 22 discharges air.
Further, the temperature control mechanism comprises a heat tracing band 23 wound on the outer wall of the membrane shell 2, a temperature probe 24 penetrating through the outer wall of the membrane shell 2 and located inside the membrane shell 2, and a heat insulation cotton layer 25 wrapped on the outer wall of the membrane shell 2, and the heat tracing band 23 and the temperature probe 24 are electrically connected with a temperature controller (not shown).
Specifically, the temperature controller is used for controlling the heat tracing belt 23 to heat the membrane shell 2, the temperature probe 24 is used for monitoring the temperature in the membrane shell 2 in real time until the corresponding temperature is reached, meanwhile, the heat insulation cotton layer 25 is wrapped outside the membrane shell 2 and the heat tracing belt 23, a good heat insulation effect is achieved on the membrane shell 2, and the influence of temperature difference on the measurement effect of the membrane tube is reduced.
As shown in fig. 3-5, the fixed end 9 includes a first end 26 and a second end 27 screwed with the first end 26, hollow cavities 28 penetrating through the first end 26 and the second end 27, the first end 26 includes a membrane tube plug 29, a first threaded portion 30, a hexagonal tightening boss 31 and a second threaded portion 32 sequentially and fixedly connected, the membrane tube plug 29 includes a straight barrel portion 33 connected with the first threaded portion 30 and a conical table portion 34 disposed on the straight barrel portion 33, an outer diameter of the first threaded portion 30 is larger than an outer diameter of the straight barrel portion 33, and a third threaded portion 35 matched with the first threaded portion 30 and a compression boss 36 matched with the straight barrel portion 33 are disposed in the hollow cavities 28 of the second end 27.
Specifically, the membrane tube plug 29 is used for inserting and fixing the membrane tube 8, the membrane tube plug 29 is formed by a straight tube portion 33 and a conical table portion 34, the conical table portion 34 is more beneficial to being inserted into the membrane tube 8, then the membrane tube 8 is initially fixed after being inserted into the straight tube portion 33, the second end head 27 is sleeved into the membrane tube 8, the third threaded portion 35 is in threaded connection with the first threaded portion 30, after connection, the compression boss 36 of the second end head 27 is matched with the straight tube portion 33 to compress the membrane tube 8 between the two to be fixed, then the first end head 26 is in threaded connection with the blind plug 10 or the end cover 4, the outer diameter of the first threaded portion 30 is larger than the outer diameter of the straight tube portion 33, relative friction is generated between the compression boss 36, the straight tube portion 33 and the membrane tube 8 in the threaded connection rotation process of the third threaded portion 35 and the first threaded portion 30, the bolt torque is improved, the connection pressure is increased, the connection diameter of the first end head 26 and the second end head 27 is more stable, the membrane tube 8 is fixed, in addition, the hexagonal screwing boss 31 of the first end head 26 can be better, the membrane tube 8 can be connected with the membrane tube 8 by the aid of a wide-range of sizes, and the membrane tube plug 29 can be designed to be suitable for multiple tubes.
The fixed end 9 is made of stainless steel, so that the laser signal of the laser length measuring instrument 6 can be reflected better.
According to the membrane tube deformation test device, the membrane tube 8 is placed in the membrane shell 2, the temperature in the membrane shell 2 is regulated and controlled through the temperature control mechanism, meanwhile, one end of the membrane tube 8 is connected with the end cover 4 and communicated with the air source, the other end of the membrane tube 8 is positioned in the membrane tube placing groove 5, the length and the diameter of the membrane tube 8 are measured by the laser length measuring instrument 6 and the laser diameter measuring instrument 7, the elongation and the outer diameter change of the membrane tube 8 under different temperatures and different pressures can be measured, the device is simple in structure, convenient to operate and accurate in measurement.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. A membrane tube deformation test device is characterized in that: including support, fixed setting membrane shell on the support, through clamp and membrane shell one end fixed connection's end cover, fix the measuring device at the membrane shell other end, with the accuse pressure line of end cover connection and set up the temperature control mechanism at the membrane shell outer wall, measuring device includes membrane pipe standing groove and fixes laser length measuring instrument and the laser diameter measuring instrument at membrane pipe standing groove both ends respectively, measuring device passes through laser diameter measuring instrument and membrane shell fixed connection, be provided with the membrane pipe in the membrane shell, the one end of membrane pipe is through fixed end and end cover fixed connection, fixed end is linked together with accuse pressure line, the other end of membrane pipe passes laser diameter measuring instrument and is located membrane pipe standing groove and through fixed end and blind fixed connection.
2. A membrane tube deformation testing apparatus according to claim 1, wherein: sealing gaskets are arranged between the membrane shell and the end cover, and annular positioning grooves matched with the sealing gaskets are formed in the membrane shell and the end cover and used for fixing the sealing gaskets.
3. A membrane tube deformation testing apparatus according to claim 1, wherein: the end cover is provided with the inserted bar with the fixed one end of membrane shell, be provided with on the membrane shell with inserted bar assorted jack for fixed end cover and the hookup location of membrane shell.
4. A membrane tube deformation testing apparatus according to claim 1, wherein: the pressure control pipeline comprises an air source connecting pipeline, the air outlet end of the air source connecting pipeline is connected with the air inlet end of the air inlet pipeline through a pressure meter pressure regulating valve, the air outlet end of the air inlet pipeline is respectively connected with an air inlet branch and an air outlet branch, the air outlet end of the air inlet branch is fixedly connected with an end cover through a quick connector, the quick connector is fixed on the end cover, the air inlet pipeline is provided with a pressure supply valve, and the air outlet branch is provided with a pressure discharge valve.
5. A membrane tube deformation testing apparatus according to claim 1, wherein: the temperature control mechanism comprises a heat tracing belt wound on the outer wall of the membrane shell, a temperature probe penetrating through the outer wall of the membrane shell and located inside the membrane shell, and a heat insulation cotton layer wrapped on the outer wall of the membrane shell, wherein the heat tracing belt and the temperature probe are electrically connected with the temperature controller.
6. A membrane tube deformation testing apparatus according to claim 1, wherein: the fixed end head comprises a first end head and a second end head which is in threaded connection with the first end head, the first end head and the second end head are internally provided with a hollow cavity which is penetrated, the first end head comprises a membrane tube plug, a first threaded portion, a hexagonal screwing boss and a second threaded portion which are sequentially and fixedly connected, the membrane tube plug comprises a straight barrel portion connected with the first threaded portion and a conical table portion arranged on the straight barrel portion, the outer diameter of the first threaded portion is larger than that of the straight barrel portion, and a third threaded portion matched with the first threaded portion and a pressing boss matched with the straight barrel portion are arranged in the hollow cavity of the second end head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321181304.3U CN219799059U (en) | 2023-05-15 | 2023-05-15 | Membrane tube deformation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321181304.3U CN219799059U (en) | 2023-05-15 | 2023-05-15 | Membrane tube deformation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799059U true CN219799059U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321181304.3U Active CN219799059U (en) | 2023-05-15 | 2023-05-15 | Membrane tube deformation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799059U (en) |
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2023
- 2023-05-15 CN CN202321181304.3U patent/CN219799059U/en active Active
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