CN212159983U - Testing device - Google Patents
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- CN212159983U CN212159983U CN202020197811.6U CN202020197811U CN212159983U CN 212159983 U CN212159983 U CN 212159983U CN 202020197811 U CN202020197811 U CN 202020197811U CN 212159983 U CN212159983 U CN 212159983U
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Abstract
The utility model relates to a cable detects technical field, discloses a test device, can improve the test efficiency of cable. The utility model discloses a: a sleeve; the outgoing line positioning sleeve is provided with three positioning holes and is in sealing connection with one end of the sleeve; the pressing sleeve is provided with three sealing holes and is connected with the other end of the sleeve in a sealing way; the three sealing components are arranged in the corresponding sealing holes; and the equalizing ring is fixed on the periphery of the outgoing line positioning sleeve. The utility model discloses when experimental, can arrange the cable in the cover intraductal, the cable both ends are worn out from locating hole and sealed hole respectively, inject transformer oil and water in the cover intraductal simultaneously, make the inside sealed environment that forms of sleeve pipe, provide experimental simulation environment for the cable, through with cable and equalizer ring respectively with various test equipment electric connection, alright carry out various experiments to the cable, the utility model discloses possess simple structure, convenient operation and install swift characteristics, improved cable test efficiency effectively.
Description
Technical Field
The utility model relates to a cable detects technical field, especially a test device.
Background
Along with the development of society, the quality requirement of material is higher and higher, and is more and more strict to the power consumption quality requirement, in order to guarantee the power consumption reliability, and is more and more strict to the quality supervision of product, according to the national standard requirement, cable selective examination experiment is an indispensable link to the selective examination proportion is bigger and bigger. And a cable selective examination test partial discharge test, power frequency withstand voltage test, a thunder and lightning impulse test room are indispensable environment. According to the traditional method, cable accessories are purchased for installation and matching tests, but the cable accessories are required to be equipped with various types for cable matching, and the service life is short. The cable accessories are required to be continuously purchased, which results in high costs. The test cost is high. The technical requirements on cable accessory installation personnel are high, and the personnel must be certified for post work. During the installation process, if the breakdown or flashover phenomenon occurs in the test process, the cable accessory is damaged, and the test cannot be continuously carried out, so that the efficiency is slow, the cost of the test preparation accessory is high, and the personnel requirement and the cost are also high.
Disclosure of Invention
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a test device can improve the test efficiency of cable.
According to the utility model discloses a test device of first aspect embodiment includes: a sleeve; the outgoing line positioning sleeve is provided with at least one positioning hole and is in sealing connection with one end of the sleeve; the pressing sleeve is provided with at least one sealing hole and is connected with the other end of the sleeve in a sealing manner; at least one sealing assembly arranged in the corresponding sealing hole; and the equalizing ring is fixed on the periphery of the outgoing line positioning sleeve.
According to the utility model discloses test device has following beneficial effect at least: during the experiment, can arrange the cable in the cover pipe intraductally, the cable both ends are worn out from locating hole and sealed hole respectively, inject transformer oil and water in the cover intraductal simultaneously, make the inside sealed environment that forms of cover, provide experimental simulation environment for the cable, through with cable and equalizer ring respectively with various test equipment electric connection, alright carry out various experiments to the cable, the utility model discloses possess simple structure, convenient operation and the swift characteristics of installation, improved cable test efficiency effectively.
According to some embodiments of the invention, the one end of the inside of the sealing hole is further provided with an annular disc extending in the radial direction, the sealing assembly is provided in the sealing hole and with the annular disc is in abutment. By means of the annular disc, the sealing effect of the sealing assembly can be further improved.
According to some embodiments of the present invention, the seal assembly comprises a plurality of seal holes arranged in the seal hole in sequence: the first annular sealing gasket is abutted with the annular disc; at least one annular sealing ring; a second annular seal; and the outer wall of one end of the compression nut is in threaded connection with the inner wall of the other end of the sealing hole. After the cable passes through the compression nut, the second annular sealing gasket, the annular sealing ring, the first annular sealing gasket and the annular disc in sequence, the compression nut is connected with the sealing hole in a threaded mode, the second annular sealing gasket can be pushed by the compression nut, and therefore the annular sealing ring is elastically extruded by the compression of the first annular sealing gasket and the second annular sealing gasket, and the outer wall of the cable is tightly connected with the outer wall of the cable, and the sealing effect is achieved.
According to some embodiments of the invention, the side of the sleeve is further provided with a valve. Set up the valve, accomplish sealing connection back in the sleeve pipe to the cable, testing personnel can directly carry out water injection and oiling or carry out the operation of draining and oil drain from the valve, have improved the convenience of operation.
According to some embodiments of the invention, the side of the sleeve is further provided with a level gauge. The liquid level meter is arranged, so that a tester can conveniently and timely disconnect the height of the liquid level in the sleeve to determine whether water injection or oil injection needs to be continued.
According to some embodiments of the invention, the sleeve comprises: one end of a first sleeve made of insulating material is hermetically connected with the outgoing line positioning sleeve; one end of the second sleeve made of metal material is hermetically connected with the other end of the first sleeve, and the other end of the second sleeve is hermetically connected with the pressing sleeve. The first sleeve and the second sleeve which are made of different materials are respectively adopted, so that the phenomenon that a cable in the second sleeve is punctured in the test process can be avoided.
According to some embodiments of the present invention, the first sleeve is provided with a level gauge and/or a valve. The liquid level meter is arranged, so that a tester can conveniently and timely disconnect the height of the liquid level in the sleeve to determine whether water injection or oil injection needs to be continued. Set up the valve, accomplish sealing connection back in the sleeve pipe to the cable, testing personnel can directly carry out water injection and oiling or carry out the operation of draining and oil drain from the valve, have improved the convenience of operation.
According to some embodiments of the invention, the second sleeve is provided with a valve and/or a level gauge. Set up the valve, accomplish sealing connection back in the sleeve pipe to the cable, testing personnel can directly carry out water injection and oiling or carry out the operation of draining and oil drain from the valve, have improved the convenience of operation.
According to some embodiments of the utility model, still include the support, the sleeve pipe with support fixed connection. The position of the sleeve can be fixed by utilizing the bracket so as to ensure that the test is smoothly carried out in a stable process.
According to some embodiments of the invention, the bottom of the support is provided with universal wheels. Utilize the universal wheel, can make things convenient for testing personnel to shift this device as required, improved the convenience.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a test apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a test rig according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the press sleeve and seal assembly shown in fig. 2.
Reference numerals: the device comprises a sleeve 100, a first sleeve 110, a second sleeve 120, an outgoing line positioning sleeve 200, a pressing sleeve 300, a sealing hole 310, a convex part 320, a sealing assembly 400, a grading ring 500, a valve 600, a liquid level meter 700, a support 800, a universal wheel 810 and a cable 900.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, a test apparatus according to an embodiment of the first aspect of the present invention includes: a sleeve 100; the outgoing line positioning sleeve 200 is provided with three positioning holes, and the outgoing line positioning sleeve 200 is connected with one end of the sleeve 100 in a sealing manner; the pressing sleeve 300 is provided with three sealing holes 310, and the pressing sleeve 300 is connected with the other end of the sleeve 100 in a sealing manner; three sealing assemblies 400 disposed in the corresponding sealing holes 310; and the equalizing ring 500 is fixed on the periphery of the outgoing line positioning sleeve 200. The three cables 900 can be equally spaced by using the three positioning holes of the outlet positioning sleeve 200, that is, the three positioning holes are uniformly distributed on the outlet positioning sleeve 200.
It is contemplated that the number of alignment holes, seal holes 310, and seal assemblies 400 may also be one or two or more than three, such that one cable 900 may be tested individually or two or more cables 900 may be tested simultaneously.
It is conceivable that the sealing connection between the outgoing line positioning sleeve 200 and the casing 100 and the sealing connection between the pressing sleeve 300 and the casing 100 can be performed by using a sealing member commonly used in the art, such as a sealing flange or a sealing casing 100, so that not only can a tester conveniently detach the outgoing line positioning sleeve and the casing during use, but also a sealing effect can be ensured after connection.
Conceivably, the grading ring 500 is directly fixed to the periphery of the three positioning holes, so that high voltage can be uniformly distributed around the object, and no potential difference is ensured among all annular parts, thereby achieving the effect of grading.
Referring to fig. 3, in some embodiments of the present invention, an end of the inside of the sealing hole 310 is further provided with a radially extending annular disc 311, and the sealing assembly 400 is disposed in the sealing hole 310 and abuts against the annular disc 311. The sealing effect of the seal assembly 400 may be further enhanced by the annular disc 311.
Referring to fig. 3, in some embodiments of the present invention, the seal assembly 400 includes, disposed in the seal bore 310 in sequence: a first annular seal 410 abutting against the annular disk 311; six o-ring seals 420; a second annular seal 430; and a compression nut 440, one end of which is screwed with the other end of the sealing hole 310. After the cable 900 sequentially passes through the compression nut 440, the second annular seal gasket 430, the annular seal ring 420, the first annular seal gasket 410 and the annular disc 311, the compression nut 440 is connected with the seal hole 310 through threads, so that the compression nut 440 pushes the second annular seal gasket 430, the annular seal ring 420 is elastically extruded by the first annular seal gasket 410 and the second annular seal gasket 430 due to compression, and the first annular seal gasket 410 and the second annular seal gasket 430 are tightly connected with the outer wall of the cable 900, and a sealing effect is achieved.
It is contemplated that the number of the o-rings 420 may be one, two or more, and those skilled in the art may determine the number of the o-rings 420 according to the thread connection stroke of the compression nut 440 with the sealing hole 310, the depth of the sealing hole 310, the diameter of the cable 900 and the like,
referring to fig. 1 and 2, in some embodiments of the present invention, a valve 500 is further disposed on a side of the sleeve 100. The valve 500 is arranged, after the cable 900 is hermetically connected in the sleeve 100, a tester can directly perform water injection and oil injection or water and oil drainage operations from the valve 500, and the convenience of operation is improved.
Referring to fig. 1 and 2, in some embodiments of the present invention, a liquid level meter 700 is further disposed on a side surface of the sleeve 100. The liquid level meter 700 is arranged, so that a tester can know the liquid level height condition in the sleeve 100 in time, and can determine whether to continue to inject water or oil.
Referring to fig. 1 and 2, in some embodiments of the present invention, the sleeve 100 comprises: one end of the first sleeve 110 made of insulating material is hermetically connected with the outgoing line positioning sleeve 200; the second sleeve 120 made of a metal material has one end hermetically connected to the other end of the first sleeve 110, and the other end hermetically connected to the pressing sleeve 300. The first sleeve 110 and the second sleeve 120 which are made of different materials are respectively adopted, so that the cable 900 positioned in the second sleeve 120 can be prevented from being punctured in the test process.
Referring to fig. 1 and 2, in some embodiments of the present invention, a liquid level meter 700 is disposed on the first sleeve 110. The liquid level meter 700 is arranged, so that a tester can know the liquid level height condition in the first sleeve 110 in time, and can determine whether to continue to inject water or oil.
It is conceivable that the valve 500 may be further disposed on the first sleeve 110, and after the cable 900 is hermetically connected in the sleeve 100, a tester may directly perform operations of filling water and filling oil or discharging water and oil from the valve 500, so as to improve the convenience of the operation.
It is contemplated that the valve 500 and the fluid level gauge may be provided on the first sleeve 110 simultaneously or separately.
In some embodiments of the present invention, the second sleeve 120 is provided with a valve 500. The valve 500 is arranged, after the cable 900 is hermetically connected in the sleeve 100, a tester can directly perform water injection and oil injection or water and oil drainage operations from the valve 500, and the convenience of operation is improved.
It is contemplated that a level gauge may also be provided on the second sleeve 120. The liquid level meter 700 is arranged, so that the tester can know the liquid level height condition in the second sleeve 120 in time, and can determine whether to continue to inject water or oil.
It is contemplated that both the valve 500 and the level gauge 700 may be provided on the second sleeve 120 or one may be provided separately.
Referring to fig. 1, in some embodiments of the present invention, the present invention further includes a bracket 800, and the sleeve 100 is fixedly connected to the bracket 800. The position of the sleeve 100 can be fixed by the bracket 800 to ensure that the test is smoothly performed in a stable process.
Referring to fig. 1, in some embodiments of the present invention, the bottom of the support 800 is provided with a universal wheel 810. Utilize universal wheel 810, can make things convenient for the experimenter to shift this device as required, improved the convenience.
The following describes in detail a test apparatus according to an embodiment of the present invention in a specific embodiment with reference to fig. 1 to 3. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.
Referring to fig. 1 and 2, a test apparatus comprising: a sleeve 100; the outgoing line positioning sleeve 200 is provided with three positioning holes, and the outgoing line positioning sleeve 200 is connected with one end of the sleeve 100 in a sealing manner; the pressing sleeve 300 is provided with three sealing holes 310, and the pressing sleeve 300 is connected with the other end of the sleeve 100 in a sealing manner; three sealing assemblies 400 disposed in the corresponding sealing holes 310; and the equalizing ring 500 is fixed on the periphery of the outgoing line positioning sleeve 200.
Referring to fig. 3, in the present embodiment, an end of the inside of the sealing hole 310 is further provided with a radially extending annular disc 311, and the sealing assembly 400 is disposed in the sealing hole 310 and abuts against the annular disc 311. The sealing effect of the seal assembly 400 may be further enhanced by the annular disc 311.
Referring to fig. 3, in the present embodiment, the sealing assembly 400 includes, sequentially disposed within the sealing bore 310: a first annular seal 410 abutting against the annular disk 311; six annular sealing rings 420 stacked in sequence; a second annular seal 430; and a compression nut 440, one end of which is screwed with the other end of the sealing hole 310. After the cable 900 sequentially passes through the compression nut 440, the second annular seal gasket 430, the annular seal ring 420, the first annular seal gasket 410 and the annular disc 311, the compression nut 440 is connected with the seal hole 310 through threads, so that the compression nut 440 pushes the second annular seal gasket 430, the annular seal ring 420 is elastically extruded by the first annular seal gasket 410 and the second annular seal gasket 430 due to compression, and the first annular seal gasket 410 and the second annular seal gasket 430 are tightly connected with the outer wall of the cable 900, and a sealing effect is achieved.
Referring to fig. 1 and 2, in the present embodiment, the bushing 100 includes: one end of the first sleeve 110 made of insulating material is hermetically connected with the outgoing line positioning sleeve 200; the second sleeve 120 made of a metal material has one end hermetically connected to the other end of the first sleeve 110, and the other end hermetically connected to the pressing sleeve 300. The first sleeve 110 and the second sleeve 120 which are made of different materials are respectively adopted, so that the cable 900 positioned in the second sleeve 120 can be prevented from being punctured in the test process.
Referring to fig. 1 and 2, in the present embodiment, a liquid level meter 700 is disposed on the first sleeve 110. The liquid level meter 700 is arranged, so that a tester can know the liquid level height condition in the first sleeve 110 in time, and can determine whether to continue to inject water or oil.
Referring to fig. 1 and 2, in the present embodiment, a valve 500 is disposed on the second sleeve 120. The valve 500 is arranged, after the cable 900 is hermetically connected in the sleeve 100, a tester can directly perform water injection and oil injection or water and oil drainage operations from the valve 500, and the convenience of operation is improved.
Referring to fig. 1, in this embodiment, a bracket 800 is further included, and the sleeve 100 is fixedly connected to the bracket 800. The position of the sleeve 100 can be fixed by the bracket 800 to ensure that the test is smoothly performed in a stable process.
Referring to fig. 1, in the present embodiment, a universal wheel 810 is disposed at the bottom of the support 800. Utilize universal wheel 810, can make things convenient for the experimenter to shift this device as required, improved the convenience.
The working principle is as follows:
firstly, stripping a three-phase cable 900 according to the size requirement, then respectively penetrating the three cables 900 into corresponding sealing holes 310 on a pressing sleeve 300, entering the sleeve 100 and penetrating out of the corresponding positioning holes, aligning and determining the positions, then fixing the cables 900 by using a sealing assembly 400, sequentially adding water and transformer oil into the sleeve 100 through a valve 500, determining the adding amount of liquid through a liquid level meter 700, after the completion, determining whether the sealing performance of the joints of all parts is normal, after the determination of safety, respectively and electrically connecting the cables 900 and an equalizing ring 500 with a test equipment, thereby completing corresponding voltage tests, after the tests are completed, discharging oil and discharging water through the valve 500, simultaneously dismantling the cables 900, and then repeatedly testing the next cable 900 to be tested according to the steps.
Utilize the utility model discloses, its simple structure, the installation is swift, not only can simulate cable 900's operational environment, can also make the utility model discloses repeatedly carry out experimental test, need not to purchase the test that relevant annex cooperation corresponds again, improved test efficiency and security effectively to reduce test cost effectively, in addition, in this embodiment, can let three-phase cable 900 test simultaneously because of the device that corresponds, can further improve test efficiency.
It is conceivable that, according to the test requirements of the cable 900, the test equipment may be matched with the partial discharge tester, the test transformer, the series resonance test system, the impulse voltage generator and other equipment, so as to respectively complete the tests such as the partial discharge test, the power frequency withstand voltage test, the lightning impulse test and the like, and the specific test process may be completed by a person skilled in the art in combination with the corresponding test equipment, and the detailed description is omitted here.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A test device, comprising:
a sleeve;
the outgoing line positioning sleeve is provided with at least one positioning hole and is in sealing connection with one end of the sleeve;
the pressing sleeve is provided with at least one sealing hole and is connected with the other end of the sleeve in a sealing manner;
at least one sealing assembly arranged in the corresponding sealing hole;
and the equalizing ring is fixed on the periphery of the outgoing line positioning sleeve.
2. The test device of claim 1, wherein: the sealing assembly is arranged in the sealing hole and is abutted against the annular disc.
3. The test device of claim 2, wherein: the seal assembly comprises a sealing hole, a sealing component and a sealing cover, wherein the sealing component is sequentially arranged in the sealing hole:
the first annular sealing gasket is abutted with the annular disc;
at least one annular sealing ring;
a second annular seal;
and the outer wall of one end of the compression nut is in threaded connection with the inner wall of the other end of the sealing hole.
4. A test device as claimed in claim 1, 2 or 3, wherein: and a valve is also arranged on the side surface of the sleeve.
5. A test device as claimed in claim 1, 2 or 3, wherein: and a liquid level meter is also arranged on the side surface of the sleeve.
6. A test device as claimed in claim 1, 2 or 3, wherein: the bushing includes:
one end of a first sleeve made of insulating material is hermetically connected with the outgoing line positioning sleeve;
one end of the second sleeve made of metal material is hermetically connected with the other end of the first sleeve, and the other end of the second sleeve is hermetically connected with the pressing sleeve.
7. The test device of claim 6, wherein: and a liquid level meter and/or a valve are/is arranged on the first sleeve.
8. The test device of claim 6, wherein: and a valve and/or a liquid level meter are arranged on the second sleeve.
9. A test device as claimed in claim 1, 2 or 3, wherein: the sleeve is fixedly connected with the bracket.
10. The test device of claim 9, wherein: the bottom of the support is provided with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197811.6U CN212159983U (en) | 2020-02-21 | 2020-02-21 | Testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197811.6U CN212159983U (en) | 2020-02-21 | 2020-02-21 | Testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212159983U true CN212159983U (en) | 2020-12-15 |
Family
ID=73711922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020197811.6U Active CN212159983U (en) | 2020-02-21 | 2020-02-21 | Testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212159983U (en) |
-
2020
- 2020-02-21 CN CN202020197811.6U patent/CN212159983U/en active Active
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