CN109323963B - Device and method for testing waterproof performance of open cable sheath - Google Patents
Device and method for testing waterproof performance of open cable sheath Download PDFInfo
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- CN109323963B CN109323963B CN201811561261.5A CN201811561261A CN109323963B CN 109323963 B CN109323963 B CN 109323963B CN 201811561261 A CN201811561261 A CN 201811561261A CN 109323963 B CN109323963 B CN 109323963B
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- 238000012360 testing method Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 238000010998 test method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
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Abstract
The invention provides a device and a method for testing the waterproof performance of an open cable sheath, wherein the device comprises the following components: the device comprises a frame unit, a dripping unit and a detection unit; the rack unit comprises two side plates, a base, a supporting beam, a guide rail and a protective cover; the dripping unit comprises an electric switch valve, a conduit, a water drop counting sensor, a flow regulating valve, a tap and a sliding block; the detection unit comprises a support frame, a quick connector, a water leakage sensor, a sliding table, a test piece fixing seat and a test piece pressing plate; the rack unit is used for providing support for the dripping unit and the detecting unit and playing a role in safety protection, the dripping unit is used for providing a detecting source for the detecting unit, and the detecting unit is used for realizing state detection of the sample. The invention provides a method for testing the waterproof performance of an open cable sheath. The device has the advantages of compact structure, high reliability, lower cost, simple and easy operation, is suitable for various fields of aerospace, mechanical industry and the like, is easy to popularize and apply, and has higher practical value.
Description
Technical Field
The invention belongs to the technical field of component testing, and particularly relates to a device and a method for testing waterproof performance of an open cable sheath.
Background
The cable sheath has the main function of protecting the cable from the surrounding environment so as to be safely operated; the cable sheath generally has high stability and reliability, ensures the physical and mechanical properties of the cable, adapts to laying conditions and environmental aging, and ensures operation reliability and long service life.
The open cable protective sleeve is a common line protection device on an airplane, and the open cable protective sleeve does not allow water seepage, water leakage and the like in the use process due to the electrical performance requirement of the cable. With the technical progress of products, the novel open cable sheath has definite technical indexes on waterproof performance. However, at present, there is no waterproof performance testing device for an open cable sheath, and because the existing waterproof testing device is mainly aimed at wires and cables, the pertinence of the sheath test is insufficient, so that the installation requirement of tiling a sample and a long-time certain-speed dripping test condition are difficult to meet, the waterproof test for the open cable sheath is inconvenient, and whether the waterproof performance of the open cable sheath reaches the technical index cannot be determined. Thus, there is an urgent need for a testing apparatus and method for inspecting the waterproof performance of an open sheath.
Disclosure of Invention
The waterproof performance testing device and the waterproof performance testing method for the cable protective sleeve are developed for testing the waterproof performance of the cable protective sleeve, meet the waterproof performance testing requirement of the opening type cable protective sleeve and are low in cost, compact in structure and high in reliability.
The application discloses opening cable sheath waterproof performance testing arrangement includes: the device comprises a frame unit, a dripping unit and a detection unit; the rack unit is used for providing support for the dripping unit and the detection unit and playing a role in safety protection; the dripping unit is used for providing a detection source for the detection unit; the detection unit is used for detecting the state of the sample; the rack unit comprises two side plates, a base, a supporting beam, a guide rail and a protective cover; the two side plates are symmetrically arranged on two sides of the base; a supporting beam is arranged between the two side plates; the guide rail is a cuboid frame structural member with an engineering groove and is vertically arranged on the base, and the guide rail is used for installing the water dripping unit; the protective cover is made of transparent acrylic material and is arranged between the two side plates by using a bearing, the protective cover can rotate by taking the bearing as a center point, and the protective cover can cover the water dripping unit and the detection unit; the dripping unit comprises an electric switch valve, a conduit, a water drop counting sensor, a flow regulating valve, a tap and a sliding block; the sliding block is arranged in the shape groove of the guide rail, and can slide up and down along the guide rail and be fixed; the flow regulating valve is fixed on the sliding block and used for regulating the generation rate of liquid drops; the electric switch valve is arranged on the flow regulating valve, the inlet of the electric switch valve is connected with the first end of the first rubber tube, the second end of the first rubber tube is arranged in the water tank, the outlet of the electric switch valve is connected with the inlet of the flow regulating valve, the outlet of the flow regulating valve is connected with the water inlet end of the guide pipe, the water outlet end of the guide pipe is connected with the faucet, the fixed end of the water drop counting sensor is fixed at the joint of the water outlet end of the guide pipe and the faucet, and the sensor of the water drop counting sensor is positioned on the side surface below the water outlet of the faucet to detect the water drop number; the detection unit comprises a support frame, a quick connector, a water leakage sensor, a sliding table, a test piece fixing seat and a test piece pressing plate; the support frame is fixedly arranged on the base; the sliding table comprises a lower layer plate, an upper layer plate and a track module, wherein the lower layer plate is fixedly arranged on the support frame, the track module is positioned between the lower layer plate and the upper layer plate and is used for adjusting the transverse and longitudinal positions of the upper layer plate relative to the lower layer plate, the middle part of the upper layer plate is provided with a groove for guiding flow, and the bottom of the groove is provided with a through hole which is connected with a second rubber tube through a quick-plug connector and used for recycling collected liquid flowing back into the water tank; the test piece fixing seat is rectangular, is arranged in the groove and is fixed with the upper layer plate of the sliding table; the water leakage sensor is arranged on the test piece fixing seat; the test piece clamp plate is middle fretwork rectangle, and the size is the same with the test piece fixing base for leak water sensor and be located the fretwork portion central point of test piece clamp plate put, the test piece clamp plate passes through threaded fastener and installs on the test piece fixing base.
Preferably, the rail module of the slide table includes: the device comprises a rail module upper part, a rail module lower part, a longitudinal handle, a transverse moving slide rail, a longitudinal moving slide rail and a limit bolt; grooves are formed in two sides of the lower laminate along a longitudinal axis, a longitudinal moving sliding rail is arranged in the grooves, the moving sliding rail is fixed with the lower part of the rail module, the lower part of the rail module is connected with a longitudinal handle, and when the longitudinal handle is rotated, the lower part of the rail module longitudinally moves relative to the lower laminate; the upper part of the track module is in threaded connection with the transverse handle, and when the transverse handle is rotated, the upper part of the track module transversely moves relative to the lower part of the track module, and the upper layer plate is fixedly arranged on the upper part of the track module; and when the upper part of the track module is adjusted to a proper position, the track module is fixed by using a limit bolt.
Preferably, the protective cover is a cuboid which consists of four transparent acrylic plates and is provided with two adjacent openings, wherein two symmetrical surfaces are connected with two side plates through bearings, and when the protective cover is put down in the experimental process, the first opening surface is positioned at the base, and the second opening surface is positioned at the guide rail.
Preferably, the support frame adopts the crooked integrated into one piece of flat cuboid aluminium section, and the support frame includes first plane, second plane and inclined plane, and first plane is perpendicular and link to each other with the second plane, and the inclined plane is obtuse angle and links to each other with the second plane, and the first plane fixed mounting of support frame is on the base, and the sliding table is installed on the inclined plane of support frame.
Preferably, a method for testing the waterproof performance of the open cable sheath by using the device comprises the following steps:
step 1: the base level of the device for testing the dripping performance of the open cable sheath is ensured by adjusting the placing surface, and the protective cover is opened;
step 2: cutting a rectangular sample from the sheath cut along the axial direction, and fixing and protecting the cut part by using an adhesive tape;
step 3: after a threaded fastener for fixing a test piece pressing plate is taken down, the test piece pressing plate is taken down, a test piece is flatly paved and covered on the water leakage sensor and the test piece fixing seat, and the test piece pressing plate is installed, so that the test piece pressing plate tightly presses the edge of the test piece, and the test piece is tightly attached to the water leakage sensor;
step 4: the transverse handle and the longitudinal handle of the sliding table are adjusted to adjust the transverse and longitudinal positions of the inclined plane of the sample, the sample is fixed by using a limit bolt, and the sliding block of the water dripping unit is adjusted to adjust the height of the water dripping unit on the guide rail and is fixed;
step 5: the protective cover is put down, so that the water dripping unit and the detection unit are both arranged in the protective cover, and the waterproof performance of the open cable sheath is tested;
step 6: the dripping unit obtains liquid from the water tank, the dripping speed is controlled by the electric switch valve to reach the preset dripping speed, the dripping counting sensor records the dripping quantity in the experimental process, and the experiment is ended when the dripping quantity or the specified time is reached or the water seepage sensor detects water seepage.
The invention has the following advantages:
according to the invention, the electric switch valve and the flow regulating valve are combined to control the drip process, so that the test parameters are accurately controlled, and the long-time test can be completed under the condition that the machine is independent.
The invention adopts the water leakage sensor to monitor the test process, has higher sensitivity than the traditional equipment, and can detect the waterproof state of the sample in the whole test process.
The invention adopts a sliding block guide rail and a movable table structure, and the position of a sample can be changed and fixed from three dimensions by utilizing the vertical guide rail and the adjustable sliding table in the test so as to meet the control requirements of various complex displacements or angles.
In addition, the invention has simple structure, high reliability and lower cost, is suitable for the reciprocating motion working environment in the fields of aerospace, mechanical industry and the like, is easy to popularize and apply, and has higher practical value.
Drawings
FIG. 1 is an overall schematic diagram of an open cable jacket waterproof performance testing apparatus;
FIG. 2 is a schematic diagram of a frame unit;
FIG. 3 is a schematic view of a structure of the dripping unit;
FIG. 4 is a schematic diagram of the structure of the detection unit;
fig. 5 is a schematic view of an internal track module of the sliding table of the detection unit.
Reference numerals:
1. frame unit 2, drip unit 3, detection unit
4. Electric switch valve 5, conduit 6 and water drop counting sensor
7. Regulating valve 8, tap 9 and slide block
10. Support 11, quick connector 12 and water leakage sensor
13. Slide table 141, longitudinal handle 142, transverse handle
15. Test piece fixing seat 16, test piece pressing plate 17 and limit bolt
18. Side plate 19, base 20 and supporting beam
21. Guide rail 22, protective cover 23, upper part of rail module
24. Lower part of the track module
Detailed Description
The invention discloses a waterproof performance testing device for an open cable sheath. And meanwhile, the dropping speed is accurately and automatically controlled by using an electric switch valve and a flow regulating valve. The invention is illustrated in further detail by the following examples.
The device for testing the waterproof performance of the open cable sheath in the embodiment is composed of a rack unit 1, a dripping unit 2 and a detection unit 3 as shown in fig. 1. The rack unit 1 is used for providing support for the dripping unit 2 and the detecting unit 3 and playing a role of safety protection; the dripping unit 2 is used for providing a detection source for the detection unit 3; the detection unit 3 is used for realizing the state detection of the test piece.
As shown in fig. 2, the rack unit 1 includes two side plates 18, a base 19, a support beam 20, a guide rail 21, and a protective cover 22. The two side plates are L-shaped and comprise a first straight edge and a second straight edge, the first straight edges of the two side plates are symmetrically arranged on two sides of the base, and the second straight edges of the two side plates are perpendicular to the base. And a supporting beam 20 is arranged between the second straight edges of the two side plates, and the supporting beam 20 is a cuboid frame structural member and is used for reinforcing and supporting the two side plates. The guide rail 21 is a rectangular frame structure with an industrial groove and is vertically arranged on the base, in order to strengthen the guide rail 21, the guide rail 21 and the supporting cross beam 20 can be fixed, and the guide rail 21 is used for installing the drip unit 2, so that the drip unit 2 can slide up and down. The protection cover is made of transparent acrylic material and is installed between the second straight edges of the two side plates 18 through bearings, the protection cover can rotate by taking the bearings as center points, and the protection cover can cover the water dripping unit 2 and the detection unit 3, namely, the protection cover is located above a testing environment and is used for protecting main body devices and the testing environment. In this embodiment, the protection cover is a cuboid composed of four transparent acrylic plates and having two adjacent openings, wherein two symmetrical surfaces are connected with the second straight edges of the two side plates 18 through bearings, and when the protection cover is put down in the experimental process, one of the openings is located at the base, and the other opening is located at the guide rail 21.
As shown in fig. 3, the drip unit 2 includes an electric switch valve 4, a duct 5, a drip count sensor 6, a flow rate regulating valve 7, a tap 8, and a slider 9; the position connection relation is as follows: the sliding block 9 is arranged in an engineering groove of the guide rail 21, and the sliding block 9 can slide up and down along the guide rail 21 and is fixed at a designated position of the guide rail 21 according to the requirement; the flow regulating valve 7 is fixed on the sliding block 9 by a fastener and is used for regulating the generation rate of liquid drops; the electric switch valve 4 is installed on the flow regulating valve 7, the inlet of the electric switch valve 4 is connected with the first end of the first rubber tube, the second end of the first rubber tube is placed in the water tank, the outlet of the electric switch valve 4 is connected with the inlet of the flow regulating valve 7, the outlet of the flow regulating valve 7 is connected with the water inlet end of the guide pipe 5, the water outlet end of the guide pipe 5 is connected with the tap 8, the fixed end of the water drop counting sensor 6 is fixed at the joint of the water outlet end of the guide pipe 5 and the tap 8, and the sensor of the water drop counting sensor 6 is positioned on the side surface below the water outlet of the tap 8 to detect the water drop number. In this embodiment, the conduit 5 is made of stainless steel; and the electric switch valve 44, the flow rate regulating valve 7, the water drop counting sensor 6 and the tap 8 are all commercially available products.
As shown in fig. 4, the detection unit 3 includes a support frame 10, a quick connector 11, a water leakage sensor 12, a slide table 13, a handle 14, a test piece fixing seat 15, a test piece pressing plate 16, and a limit bolt 17. The support frame 10 adopts the crooked integrated into one piece of flat cuboid aluminium section, and support frame 10 includes first plane, second plane and inclined plane, and wherein first plane is the horizontal plane, and the second plane is the vertical plane, and first plane is perpendicular and link to each other with the second plane, and the inclined plane is obtuse angle and links to each other with the second plane, and the first plane fixed mounting of support frame 10 is on the base. The sliding table 13 is installed on the inclined surface of the supporting frame 10, and the sliding table 13 comprises a lower plate, an upper plate and a rail module. The lower layer plate and the upper layer plate are rectangular aluminum plates, and the track module is positioned between the lower layer plate and the upper layer plate and used for adjusting the transverse and longitudinal positions of the upper layer plate relative to the lower layer plate. The middle part of the upper layer plate is provided with a groove for guiding flow, and the bottom of the groove is provided with a through hole which is connected with a second rubber tube through a quick connector 11 and used for recycling the collected liquid back into the water tank. The test piece fixing seat is rectangular and is positioned in the groove and is fixed with the upper layer plate of the sliding table through a fastener; the water leakage sensor 12 is arranged on the test piece fixing seat through a fastener; the test piece clamp plate is middle fretwork rectangle, and the size is the same with the test piece fixing base, and middle fretwork portion is the same or slightly bigger with the looks size of sensor 12 that leaks, and the sensor 12 that leaks is located the fretwork portion central point of test piece clamp plate puts, and the test piece clamp plate passes through threaded fastener and installs on the test piece fixing base, and the dismantlement and the installation of being convenient for install the sample around. The water leakage SENSOR in the embodiment specifically adopts a 5.0 x 4.0CM HL-03RAIN SENSOR SENSOR and an SRD-12VDC-SL-C relay module, so that the required test effect can be achieved.
The specific structure of the rail module of the sliding table 13 is shown in fig. 5, and the rail module is composed of a rail module upper part 23, a rail module lower part 24, a longitudinal handle 141, a transverse handle 142, a transverse moving slide rail, a longitudinal moving slide rail and a limit bolt 17. The lower layer plate is provided with grooves along the longitudinal axis at two sides, a longitudinal moving slide rail is arranged in the grooves, the moving slide rail is connected with the lower part 24 of the track module, the lower part 24 of the track module is connected with the longitudinal handle 141, and the lower part 24 of the track module can longitudinally move relative to the lower layer plate when the longitudinal handle 141 is rotated. The upper part 23 of the track module is in threaded connection with the transverse handle 142, and the upper part 23 of the track module can move transversely relative to the lower part 24 of the track module when the transverse handle 142 is rotated, and the upper plate material is fixedly arranged on the upper part 23 of the track module. Therefore, the relative position of the upper layer plate and the lower layer plate can be changed in a certain range by adjusting the longitudinal handle 141 and the transverse handle 142, and the upper layer plate can be fixed by the limit bolts 17 after being adjusted to a proper position, wherein the proper position means that the liquid dropped out from the tap just falls in the middle of the sample.
The method for testing the drip performance testing device of the open cable sheath comprises the following steps:
step 1: the base level of the opening cable sheath dripping performance testing device is guaranteed through adjusting the placement surface, and the protective cover is opened.
Step 2: cutting a rectangular sample from the sheath cut along the axial direction, and fixing and protecting the cut part by using an adhesive tape; the sample size is preferably cut axially by 40mm-60mm in the embodiment with the convenience of installation as a reference; the width is 40mm;
step 3: after the threaded fastener for fixing the test piece pressing plate is taken down, the test piece pressing plate is taken down again, the test piece is tiled and covered on the water leakage sensor 12 and the test piece fixing seat, and the test piece pressing plate is installed, so that the test piece pressing plate tightly presses the edge of the test piece, and the test piece is tightly attached to the water leakage sensor 12.
Step 4: the transverse handle 142 and the longitudinal handle 141 of the sliding table 13 are adjusted to adjust the transverse and longitudinal positions of the inclined surface of the sample, and the limiting bolts 17 are used for fixing, so that the liquid drops falling from the dripping unit 2 just drop on the sample closely attached to the water leakage sensor 12, and meanwhile, the height of the dripping unit 2 on the guide rail 21 is adjusted by adjusting the sliding block 9 of the dripping unit, and the dripping unit 2 is fixed at the height which does not cause the liquid drops to splash obviously;
step 5: the protective cover is put down, so that the water dripping unit 2 and the detection unit are both arranged in the protective cover, and the waterproof performance of the open cable sheath is tested.
Step 6: the dripping unit 2 obtains liquid from the water tank, the dripping speed is controlled by the electric switch valve 4 to meet the requirement, the dripping counting sensor records the dripping quantity in the experimental process, and the experiment is ended when the specified dripping quantity or the specified time is reached or the water seepage sensor detects water seepage.
The waterproof performance testing device and the waterproof performance testing method for the cable protective sleeve are developed for testing the waterproof performance of the cable protective sleeve, meet the waterproof performance testing requirement of the opening type cable protective sleeve, and are low in cost, compact in structure and high in reliability.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The utility model provides an opening cable sheath waterproof performance testing arrangement which characterized in that: comprising the following steps: the device comprises a frame unit, a dripping unit and a detection unit; the rack unit is used for providing support for the dripping unit and the detection unit and playing a role in safety protection; the dripping unit is used for providing a detection source for the detection unit; the detection unit is used for detecting the state of the sample;
the rack unit comprises two side plates, a base, a supporting beam, a guide rail and a protective cover; the two side plates are symmetrically arranged on two sides of the base; a supporting beam is arranged between the two side plates; the guide rail is a cuboid frame structural member with an engineering groove and is vertically arranged on the base, and the guide rail is used for installing the water dripping unit; the protective cover is made of transparent acrylic material and is arranged between the two side plates by using a bearing, the protective cover can rotate by taking the bearing as a center point, and the protective cover can cover the water dripping unit and the detection unit;
the dripping unit comprises an electric switch valve, a conduit, a water drop counting sensor, a flow regulating valve, a tap and a sliding block; the sliding block is arranged in the shape groove of the guide rail, and can slide up and down along the guide rail and be fixed; the flow regulating valve is fixed on the sliding block and used for regulating the generation rate of liquid drops; the electric switch valve is arranged on the flow regulating valve, the inlet of the electric switch valve is connected with the first end of the first rubber tube, the second end of the first rubber tube is arranged in the water tank, the outlet of the electric switch valve is connected with the inlet of the flow regulating valve, the outlet of the flow regulating valve is connected with the water inlet end of the guide pipe, the water outlet end of the guide pipe is connected with the faucet, the fixed end of the water drop counting sensor is fixed at the joint of the water outlet end of the guide pipe and the faucet, and the sensor of the water drop counting sensor is positioned on the side surface below the water outlet of the faucet to detect the water drop number;
the detection unit comprises a support frame, a quick connector, a water leakage sensor, a sliding table, a test piece fixing seat and a test piece pressing plate; the support frame is fixedly arranged on the base; the sliding table comprises a lower layer plate, an upper layer plate and a track module, wherein the lower layer plate is fixedly arranged on the support frame, the track module is positioned between the lower layer plate and the upper layer plate and is used for adjusting the transverse and longitudinal positions of the upper layer plate relative to the lower layer plate, the middle part of the upper layer plate is provided with a groove for guiding flow, and the bottom of the groove is provided with a through hole which is connected with a second rubber tube through a quick-plug connector and used for recycling collected liquid flowing back into the water tank; the test piece fixing seat is rectangular, is arranged in the groove and is fixed with the upper layer plate of the sliding table; the water leakage sensor is arranged on the test piece fixing seat; the test piece pressing plate is in a hollow rectangle in the middle, and the size of the test piece pressing plate is the same as that of the test piece fixing seat, so that the water leakage sensor is positioned at the center of the hollow part of the test piece pressing plate, and the test piece pressing plate is arranged on the test piece fixing seat through a threaded fastener;
the support frame is formed by bending a flat cuboid aluminum profile integrally, the support frame comprises a first plane, a second plane and an inclined plane, the first plane is perpendicular to the second plane and connected with the second plane, the inclined plane is obtuse-angled and connected with the second plane, the first plane of the support frame is fixedly arranged on the base, and the sliding table is arranged on the inclined plane of the support frame;
the track module of the sliding table includes: the device comprises a rail module upper part, a rail module lower part, a longitudinal handle, a transverse moving slide rail, a longitudinal moving slide rail and a limit bolt; grooves are formed in two sides of the lower laminate along a longitudinal axis, a longitudinal moving sliding rail is arranged in the grooves, the moving sliding rail is fixed with the lower part of the rail module, the lower part of the rail module is connected with a longitudinal handle, and when the longitudinal handle is rotated, the lower part of the rail module longitudinally moves relative to the lower laminate; the upper part of the track module is in threaded connection with the transverse handle, and when the transverse handle is rotated, the upper part of the track module transversely moves relative to the lower part of the track module, and the upper layer plate is fixedly arranged on the upper part of the track module; when the upper part of the track module is adjusted to a proper position, fixing the track module by using a limit bolt;
the vertical guide rail and the adjustable sliding table change and fix the position of the sample from three dimensions in total so as to meet various complex displacement or angle control requirements.
2. The open cable sheath waterproof performance testing device according to claim 1, wherein:
the protective cover is a cuboid which consists of four transparent acrylic plates and is provided with two adjacent openings, wherein two symmetrical surfaces are connected with two side plates through bearings, and when the protective cover is put down in the experimental process, the first opening surface is positioned at the base, and the second opening surface is positioned at the guide rail.
3. The open cable sheath waterproof performance testing device according to claim 1, wherein:
the two side plates are L-shaped and comprise a first straight edge and a second straight edge, the first straight edges of the two side plates are symmetrically arranged on two sides of the base, and the second straight edges of the two side plates are perpendicular to the base.
4. A method of testing using the open cable sheath waterproof performance testing apparatus of any one of claims 1 to 3, characterized in that: the method comprises the following steps:
step 1: the base level of the device for testing the dripping performance of the open cable sheath is ensured by adjusting the placing surface, and the protective cover is opened;
step 2: cutting a rectangular sample from the sheath cut along the axial direction, and fixing and protecting the cut part by using an adhesive tape;
step 3: after a threaded fastener for fixing a test piece pressing plate is taken down, the test piece pressing plate is taken down, a test piece is flatly paved and covered on the water leakage sensor and the test piece fixing seat, and the test piece pressing plate is installed, so that the test piece pressing plate tightly presses the edge of the test piece, and the test piece is tightly attached to the water leakage sensor;
step 4: the transverse handle and the longitudinal handle of the sliding table are adjusted to adjust the transverse and longitudinal positions of the inclined plane of the sample, the sample is fixed by using a limit bolt, and the sliding block of the water dripping unit is adjusted to adjust the height of the water dripping unit on the guide rail and is fixed;
step 5: the protective cover is put down, so that the water dripping unit and the detection unit are both arranged in the protective cover, and the waterproof performance of the open cable sheath is tested;
step 6: the dripping unit obtains liquid from the water tank, the dripping speed is controlled by the electric switch valve to reach the preset dripping speed, the dripping counting sensor records the dripping quantity in the experimental process, and the experiment is ended when the dripping quantity or the specified time is reached or the water seepage sensor detects water seepage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561261.5A CN109323963B (en) | 2018-12-20 | 2018-12-20 | Device and method for testing waterproof performance of open cable sheath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561261.5A CN109323963B (en) | 2018-12-20 | 2018-12-20 | Device and method for testing waterproof performance of open cable sheath |
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| Publication Number | Publication Date |
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| CN109323963A CN109323963A (en) | 2019-02-12 |
| CN109323963B true CN109323963B (en) | 2024-04-05 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01118745A (en) * | 1987-10-30 | 1989-05-11 | Showa Electric Wire & Cable Co Ltd | Apparatus for testing moisture vapor transmission rate of cable |
| CN103454083A (en) * | 2013-09-11 | 2013-12-18 | 国家电网公司 | Protection performance test method of shell of online monitoring device |
| CN203551220U (en) * | 2013-11-13 | 2014-04-16 | 广东电网公司东莞供电局 | Chain type static var generator phase module water-leakage detection apparatus |
| CN204461945U (en) * | 2015-03-04 | 2015-07-08 | 西安旭志石油工程服务有限责任公司 | A kind of device for detecting water repellent electric cable water resistance characteristic |
| CN105334002A (en) * | 2015-11-12 | 2016-02-17 | 广州广电计量检测股份有限公司 | Waterproofness testing apparatus |
| CN206206767U (en) * | 2016-11-30 | 2017-05-31 | 上海紫光乐联物联网科技有限公司 | Tap with detecting water leakage controller |
-
2018
- 2018-12-20 CN CN201811561261.5A patent/CN109323963B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01118745A (en) * | 1987-10-30 | 1989-05-11 | Showa Electric Wire & Cable Co Ltd | Apparatus for testing moisture vapor transmission rate of cable |
| CN103454083A (en) * | 2013-09-11 | 2013-12-18 | 国家电网公司 | Protection performance test method of shell of online monitoring device |
| CN203551220U (en) * | 2013-11-13 | 2014-04-16 | 广东电网公司东莞供电局 | Chain type static var generator phase module water-leakage detection apparatus |
| CN204461945U (en) * | 2015-03-04 | 2015-07-08 | 西安旭志石油工程服务有限责任公司 | A kind of device for detecting water repellent electric cable water resistance characteristic |
| CN105334002A (en) * | 2015-11-12 | 2016-02-17 | 广州广电计量检测股份有限公司 | Waterproofness testing apparatus |
| CN206206767U (en) * | 2016-11-30 | 2017-05-31 | 上海紫光乐联物联网科技有限公司 | Tap with detecting water leakage controller |
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