CN210180802U - Stretching device for optical fiber composite low-voltage cable - Google Patents
Stretching device for optical fiber composite low-voltage cable Download PDFInfo
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- CN210180802U CN210180802U CN201920943719.7U CN201920943719U CN210180802U CN 210180802 U CN210180802 U CN 210180802U CN 201920943719 U CN201920943719 U CN 201920943719U CN 210180802 U CN210180802 U CN 210180802U
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Abstract
The utility model relates to a stretching device for compound low tension cable of optic fibre can guarantee the integrality of compound low tension cable of optic fibre when tensile, and stretching device includes the protective layer of cladding on compound low tension cable of optic fibre, first tensile area, second tensile area and coupling assembling, first tensile area includes the first clamping section that the spiral twined on outermost protective layer and the first tension section that is connected with coupling assembling, second tensile area includes the second clamping section that the spiral twined on first clamping section and the second tension section that is connected with coupling assembling; the protective layer is in frictional contact with the optical fiber composite low-voltage cable, the protective layer is in frictional contact with the first clamping section, and the first clamping section is in frictional contact with the second clamping section; the first tension section and the second tension section are symmetrically positioned at two sides of the straightened optical fiber composite low-voltage cable, and an included angle between the first tension section and the optical fiber composite low-voltage cable is larger than 0 degree and smaller than 90 degrees.
Description
Technical Field
The utility model relates to a cable testing field, concretely relates to a stretching device for compound low tension cable of optic fibre.
Background
An optical fiber composite low-voltage cable (OPLC for short) is a cable which is formed by compounding a low-voltage cable and an optical transmission unit and has double functions of a low-voltage power cable and a communication optical cable. Under the policy background that the state vigorously promotes the development of new energy, new generation information technology and other strategic emerging industries, the inherent requirements of smart grid construction and the inevitable trend of information communication industry development bring unprecedented development opportunities for fiber to the home. The technology of the optical fiber composite low-voltage cable (optical fibers are combined in a low-voltage power cable structure layer to realize simultaneous household entry of power lines and the optical fibers) provides an ideal solution for solving the communication problem in the field of power distribution and utilization. The optical fiber composite low-voltage cable is adopted, so that the purpose of power fiber to the home and energy information synchronization is achieved, two industries of power and information communication are integrated, integrated and complemented, power can be supplied, and the problem of information of the last hundred meters of a power grid can be thoroughly solved.
The tensile property test is an important test item for detecting OPLC. Compared with the situation that the common power cable can apply tension only by installing the closed wiring terminals at two ends after the cable is cut off, the OPLC has to ensure the integrity of the cable body in the access section of the photoelectric test instrument in a tensile test. At present, no mature solution is available, which not only ensures that greater tension can be applied to the OPLC, but also can monitor the performance condition of the photoelectric unit part in the cable.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcoming of the prior art, the to-be-solved technical problem of the present invention is to provide a drawing device for optical fiber composite low-voltage cable, which can stably and effectively draw the optical fiber composite low-voltage cable while maintaining the integrity of the optical fiber composite low-voltage cable.
In order to achieve the above object, the present invention provides a drawing device for an optical fiber composite low voltage cable, for being installed on a straightened optical fiber composite low voltage cable, comprising a protective layer coated on the optical fiber composite low voltage cable, a first drawing tape, a second drawing tape and a connecting assembly, wherein the first drawing tape comprises a first clamping section spirally wound on the outermost protective layer and a first tension section connected with the connecting assembly, and the second drawing tape comprises a second clamping section spirally wound on the first clamping section and a second tension section connected with the connecting assembly; the protective layer is in frictional contact with the optical fiber composite low-voltage cable, the protective layer is in frictional contact with the first clamping section, and the first clamping section is in frictional contact with the second clamping section; the first tension section and the second tension section are symmetrically positioned at two sides of the straightened optical fiber composite low-voltage cable, and an included angle between the first tension section and the optical fiber composite low-voltage cable is larger than 0 degree and smaller than 90 degrees.
Furthermore, the protective layer is formed by spirally winding a ribbon-shaped protective tape around the optical fiber composite low-voltage cable
Further, the protective belt is a metal wire belt formed by connecting a plurality of metal wires in parallel.
Further, the first and second stretched tapes are each a metal wire tape composed of a plurality of metal wires joined in parallel.
Further, the first clamping section and the second clamping section are both of a preformed helical configuration.
Furthermore, the first tension section of the first tension belt is U-shaped, the two first clamping sections are respectively connected to two ends of the U-shaped first tension section, and the two first clamping sections are alternately spirally wound on the protective layer.
Furthermore, the second tension section of the second tension belt is U-shaped, the two second clamping sections are respectively connected to two ends of the U-shaped second tension section, and the two second clamping sections are alternately spirally wound on the first clamping section.
Further, coupling assembling includes an isosceles triangle connecting plate, first pulling force section and second pulling force section are connected respectively at two base angles departments that equal of isosceles triangle connecting plate, the apex angle of isosceles triangle connecting plate is used for applying the pulling force.
Further, coupling assembling still including connecting two connection shackles that equal base angle department at isosceles triangle connecting plate respectively, first pulling force section and second pulling force section link to each other with two connection shackles respectively.
As described above, the stretching device of the present invention has the following advantageous effects:
by arranging a protective layer, a first tensile belt, a second tensile belt and a connecting assembly, one section of the optical fiber composite low-voltage cable is selected as a cable detection section, the cable detection section is kept straight, two ends of the cable detection section are respectively provided with a tensile device, the connecting assembly is used for simultaneously applying tensile force F1 to the first tensile section and applying tensile force to the second tensile section, as the directions of the tensile forces F1 and F2 are not along the axial direction of the cable detection section, and the first clamping section and the second clamping section are both in a spiral winding mode, the second clamping section can be tightened and further tightened on the first clamping section under the action of the tensile force F1, the first clamping section can be tightened and further tightened on the protective layer under the action of the tensile force, the protective layer has larger friction force with the outer surface of the cable detection section, and under the combined action of the tensile forces F1 and F2, the protective layer applies force along the axial direction of the cable detection section to the cable detection section, thereby realizing the stretching of the cable detection section. The optical fiber composite low-voltage cable is subjected to tensile property test, the structure of the optical fiber composite low-voltage cable is not required to be damaged, the integrity of the optical fiber composite low-voltage cable is guaranteed, and a photoelectric unit of the optical fiber composite low-voltage cable can be directly connected into a photoelectric testing instrument, so that the optical fiber performance and the electrical performance of the optical fiber composite low-voltage cable in a stressed and stretched state are monitored.
Drawings
Fig. 1 is a schematic structural diagram of a stretching device in the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a schematic structural diagram of the protective layer of the present invention before installation.
Fig. 4 is a schematic structural view of the first stretch band of the present invention before installation.
Fig. 5 is a schematic structural view of the second stretch band of the present invention before installation.
Fig. 6 is a schematic diagram of the operation of the stretching apparatus of the present invention.
Description of the element reference numerals
1 optical fiber composite low-voltage cable
11 Cable detection section
2 protective layer
3 first stretching band
31 first clamping section
32 first tension segment
4 second stretch band
41 second clamping section
42 second tension segment
5 connecting component
51 isosceles triangle connecting plate
52 connecting shackle
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
Referring to fig. 1 to 6, the present invention provides a drawing device for an optical fiber composite low voltage cable, for being installed on an extended optical fiber composite low voltage cable 1, including a protective layer 2 coated on the optical fiber composite low voltage cable 1, a first drawing belt 3, a second drawing belt 4, and a connecting assembly 5, wherein the first drawing belt 3 includes a first clamping section 31 spirally wound on the outermost protective layer 2, and a first tension section 32 connected to the connecting assembly 5, and the second drawing belt 4 includes a second clamping section 41 spirally wound on the first clamping section 31, and a second tension section 42 connected to the connecting assembly 5; the friction contact is formed between the protective layer 2 and the optical fiber composite low-voltage cable 1, between the protective layer 2 and the first clamping section 31, and between the first clamping section 31 and the second clamping section 41; the first tension section 32 and the second tension section 42 are symmetrically located at two sides of the straightened optical fiber composite low-voltage cable 1, and the included angle between the first tension section 32 and the optical fiber composite low-voltage cable 1 is greater than 0 degree and smaller than 90 degrees. Specifically, the thickness of the protective layer 2 may be determined according to actual needs, and the protective layer 2 may be one or more layers, and when multiple layers are adopted, the adjacent protective layers 2 are also in frictional contact. The number of turns and the winding length of the first clamping section 31 and the second clamping section 41 can be determined according to actual needs, the first clamping section 31 applies a certain clamping force to the protective layer 2, and the second clamping section 41 applies a certain clamping force to the first clamping section 31. The friction coefficient between the protective layer 2 and the optical fiber composite low-voltage cable 1, the friction coefficient between the protective layer 2 and the inner side surface of the first clamping section 31, and the friction coefficient between the outer side surface of the first clamping section 31 and the inner side surface of the second clamping section 41 can be selected according to actual needs, sufficient friction force can be provided, relative sliding is avoided, and a proper angle is selected according to actual needs at an included angle theta between the first tension section 32 and the optical fiber composite low-voltage cable 1 between 0-90 degrees.
The utility model relates to a stretching device's theory of operation does: select one section as cable detection section 11 on compound low tension cable 1 of optic fibre, cable detection section 11 keeps straightening, installs a stretching device respectively at the both ends of cable detection section 11, and stretching device mounting means is: coating the protective layer 2 on the optical fiber composite low-voltage cable 1; spirally winding a first clamping section 31 of the first tensile tape 3 on the outermost protective layer 2, the first tensile section 32 being connected to the connecting assembly 5; the first clamping section 31 of the second tension band 4 is helically wound around the outer side of the first clamping section 31, and the second tension section 42 is connected to the connecting assembly 5. After the installation is completed, the first tension section 32 and the second tension section 42 are symmetrical with respect to the cable sensing section 11, and the connecting members 5 of the two tension devices face opposite directions and both face away from the cable sensing section 11. Simultaneously exerting a pulling force F along the axis of the cable testing section 11 on each of the two connecting assemblies 5, the two pulling forces F being in opposite directions and facing away from the cable testing section 11, whereby, under the action of the pulling force F, simultaneously exerting a pulling force F1 on the first pulling force section 32 and a pulling force F2 on the second pulling force section 42 through the connecting assemblies 5, since neither the pulling forces F1 nor F2 are along the axis of the cable testing section 11, and the first clamping section 31 and the second clamping section 41 are spirally wound, the second clamping section 41 will tighten further on the first clamping section 31 under the action of the pulling force F2, the first clamping section 31 will tighten further on the protective layer 2 under the action of the pulling force F1, the protective layer 2 has a large pressure with the outer surface of the cable testing section 11, and under the combined action of the pulling forces F1 and F2, the protective layer 2 exerts a frictional force on the cable testing section 11 along the axis of the cable testing section 11, therefore, the cable detection section 11 is stretched, and the protective layer 2 is used for preventing the first clamping section 31 from sliding in the stretching process to damage the optical fiber composite low-voltage cable 1. And the tensile property test is carried out on the cable detection section 11 through the tensile action of the tensile devices at the two ends of the cable detection section 11. The stretching device can apply large stretching force to the optical fiber composite low-voltage cable 1, the stretching effect of the stretching device on the cable detection section 11 is uniform and stable, and the optical fiber composite low-voltage cable 1 is not easy to slip when bearing the stretching force.
Adopt the utility model discloses a stretching device adopts the mode of direct cladding on the compound low tension cable of optic fibre 1 for the length of experimental cable detection section 11 does not receive the restriction, need not destroy the structure of compound low tension cable of optic fibre 1 itself, has guaranteed the integrality of compound low tension cable of optic fibre 1, and the tensile even stability that cable detection section 11 received, guarantees tensile properties test's effect. Because a closed wiring terminal does not need to be installed, the optical fiber composite low-voltage cable 1 does not need to be damaged, and a photoelectric unit of the optical fiber composite low-voltage cable 1 can be directly connected to a photoelectric testing instrument, so that the optical fiber performance and the electrical performance of the optical fiber composite low-voltage cable 1 in a stressed and stretched state can be monitored, and the accurate detection of the performance of the optical fiber composite low-voltage cable 1 is realized.
The utility model discloses a stretching device can set up a plurality of tensile areas, can set up the tensile area of third, the tensile area of fourth etc. again on the basis of the tensile area of first tensile area 3 and second 4 for example, and tensile area theory of operation is the same, specifically can confirm the use quantity in tensile area according to the tensile needs of reality, based on the same principle, sets up tensile area more than two and stretches, also contains and lies in the protection scope of the utility model discloses an in.
The utility model discloses in, protective layer 2's material can be selected according to actual need, guarantees to have certain intensity to with the compound low tension cable 1 of optic fibre between mutually and with the second press from both sides and press from both sides sufficient frictional force between the section 41. In the present embodiment, the protective layer 2 is preferably formed by spirally winding a ribbon-shaped protective tape around the optical fiber composite low-voltage cable 1 for easy installation, and the protective tape is preferably a metal ribbon formed by connecting a plurality of metal wires in parallel, and the metal ribbon is prefabricated into a spiral structure before installation, as shown in fig. 3, so as to facilitate field installation. The protective layer 2, which is formed by spirally winding the metal ribbon, has sufficient mechanical strength to resist the extrusion, while having sufficient friction coefficient between both sides of the metal ribbon and the optical fiber composite low voltage cable 1 and between both sides of the metal ribbon and the second clamping section 41.
As a preferred design, as shown in fig. 1, 2, 4 and 5, the first tensile tape 3 and the second tensile tape 4 are both metal wire tapes composed of a plurality of metal wires connected in parallel, ensuring sufficient mechanical strength, being able to withstand sufficient pressing and stretching forces, and having sufficient frictional force. Before installation, the first clamping section 31 and the second clamping section 41 are both of preformed spiral structures, and field installation is facilitated.
As shown in fig. 1, 2, and 4, the first tension section 32 of the first tension band 3 is preferably U-shaped, and the two first clamp sections 31 are connected to both ends of the U-shaped first tension section 32, respectively, and the two first clamp sections 31 are spirally wound on the protective layer 2 at intervals. In use, the bent portion of the U-shaped first tension section 32 is used to pass through the connecting assembly 5 for connection, as shown in fig. 1 and 2, so that the connecting assembly 5 can apply tension to the first tension section 32, and at the same time, the two first clamping sections 31 are spirally wound on the protective layer 2 at intervals, so as to further ensure the friction between the first tension band 3 and the protective layer 2. Similarly, as shown in fig. 4 and 5, the second stretching strap 4 is designed in the same manner as the first stretching strap 3, that is, the second stretching section 42 is U-shaped, the two second clamping sections 41 are respectively connected to two ends of the U-shaped second stretching section 42, and the two second clamping sections 41 are alternately spirally wound on the first clamping section 31, which is the same as the first stretching strap 3 in principle and effect.
As a preferred design, as shown in fig. 1 and fig. 2, the connection assembly 5 includes an isosceles triangle connection plate 51 and two connection shackles 52 respectively connected to two equal base angles of the isosceles triangle connection plate 51, the first tension section 32 and the second tension section 42 are respectively connected to the two connection shackles 52, and the top angle of the isosceles triangle connection plate 51 is used for applying tension. Specifically, in the present embodiment, as shown in fig. 1 and 2, the connection shackle 52 is connected through the bent portion of the U-shaped second tension section 42 during installation, and installation is convenient, and the second tension section 42 has a long contact surface with the connection shackle 52, so that sufficient tension can be transmitted between the first tension section 32 and the connection shackle 52. Similarly, sufficient tension can be transmitted between the first tension section 32 of the U-shape and the attachment shackle 52. Moreover, by adopting the design mode of the isosceles triangle connecting plate 51, when a pulling force is applied to the vertex angle of the isosceles triangle connecting plate 51, the isosceles triangle connecting plate 51 applies an equal pulling force to the first pulling force section 32 and the second pulling force section 42 through the connecting shackle 52, and ensures that the first pulling force section 32 and the second pulling force section 42 are symmetrically positioned at two sides of the cable detection section 11, thereby ensuring the uniformity and stability of the stretching of the cable detection section 11.
Referring to fig. 1, fig. 2 and fig. 6, when the drawing device of the present invention is used for drawing the optical fiber composite low voltage cable, the drawing device comprises the following steps:
s1, selecting one section of the optical fiber composite low-voltage cable 1 as a cable detection section 11, and straightening the cable detection section 11; no influence is caused on other parts of the optical fiber composite low-voltage cable 1 except the cable detection section 11,
s2, respectively installing a stretching device at two ends of the cable detection section 11, after the installation is completed, the connecting assemblies 5 of the two stretching devices face opposite directions and both face directions away from the cable detection section 11, as shown in fig. 6;
when the stretching device in the embodiment is adopted, the method for installing the stretching device specifically includes: spirally winding a metal ribbon on the optical fiber composite low-voltage cable 1 to form a protective layer 2; the two first clamping sections 31 of the first tensile belt 3 are alternately spirally wound on the protective layer 2 and clamped, and the first tensile section 32 is connected with one connecting shackle 52 of the connecting assembly 5; two second clamping sections 41 of the second stretching strap 4 are alternately spirally wound on the outer side surface of the first clamping section 31 and clamped, the second tension section 42 is connected with the other connecting shackle 52 of the connecting assembly 5, after the two stretching devices are installed at two ends of the cable detection section 11, the isosceles triangle connecting plates 51 are symmetrical about the cable detection section 11, and the second tension section 42 are straightened and symmetrical about the cable detection section 11, which is shown in fig. 1.
S3, see fig. 6, while applying a pulling force along the axis of the cable sensing section 11 on each of the two connecting assemblies 5, the pulling forces being in opposite directions and both being directed away from the cable sensing section 11. Specifically, when the stretching device in the present embodiment is used, a pressure is applied to the top corner of the isosceles triangle connecting plate 51 of the connecting component 5, so as to ensure that the first tension section 32 and the second tension section 42 receive the same tension and are axially symmetric with respect to the cable detection section 11.
The optical fiber composite low-voltage cable 1 is stretched according to the stretching method, and the tensile force applied to the isosceles triangle connecting plate 51 is adjusted according to actual requirements, so that the tensile performance test of the optical fiber composite low-voltage cable 1 is performed.
Therefore, the stretching device in the embodiment has a simple structure, and is stable and reliable in cable stretching effect. When the stretching device in the embodiment is adopted to perform the tensile property test on the optical fiber composite low-voltage cable 1, the optical fiber composite low-voltage cable 1 is not required to be damaged, the integrity of the optical fiber composite low-voltage cable 1 is ensured, the optical fiber property and the electrical property of the optical fiber composite low-voltage cable 1 can be monitored during stretching, and the accuracy of a test detection result is ensured.
The utility model discloses a stretching device can be used for compound low tension cable 1 of optic fibre, certainly also can be applied to multiple other cables, based on the same principle, when using in other cables, also should contain and lie in the utility model discloses an in the protection scope.
To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A stretching device for optical fiber composite low-voltage cables, for mounting on a straightened optical fiber composite low-voltage cable (1), characterized in that: the optical fiber composite low-voltage cable comprises a protective layer (2) coated on an optical fiber composite low-voltage cable (1), a first tensile belt (3), a second tensile belt (4) and a connecting assembly (5), wherein the first tensile belt (3) comprises a first clamping section (31) spirally wound on the outermost protective layer (2) and a first tensile section (32) connected with the connecting assembly (5), and the second tensile belt (4) comprises a second clamping section (41) spirally wound on the first clamping section (31) and a second tensile section (42) connected with the connecting assembly (5); the friction contact is formed between the protective layer (2) and the optical fiber composite low-voltage cable (1), between the protective layer (2) and the first clamping section (31), and between the first clamping section (31) and the second clamping section (41); the first tension section (32) and the second tension section (42) are symmetrically positioned at two sides of the straightened optical fiber composite low-voltage cable (1), and an included angle between the first tension section (32) and the optical fiber composite low-voltage cable (1) is larger than 0 degree and smaller than 90 degrees.
2. Stretching apparatus as claimed in claim 1, wherein: the protective layer (2) is formed by spirally winding a ribbon-shaped protective tape around the optical fiber composite low-voltage cable (1).
3. Stretching apparatus as claimed in claim 2, wherein: the protective belt is a metal wire belt formed by connecting a plurality of metal wires in parallel.
4. Stretching apparatus as claimed in claim 1, wherein: the first stretching belt (3) and the second stretching belt (4) are metal wire belts formed by connecting a plurality of metal wires in parallel.
5. Stretching apparatus as claimed in claim 4, wherein: the first clamping section (31) and the second clamping section (41) are both of a preformed helical configuration.
6. Stretching apparatus as claimed in claim 1, wherein: the first tension section (32) of the first tension belt (3) is U-shaped, the two first clamping sections (31) are respectively connected to two ends of the U-shaped first tension section (32), and the two first clamping sections (31) are alternately and spirally wound on the protective layer (2).
7. Stretching apparatus as claimed in claim 6, wherein: the second tension section (42) of the second tension belt (4) is U-shaped, the two second clamping sections (41) are respectively connected to two ends of the U-shaped second tension section (42), and the two second clamping sections (41) are alternately spirally wound on the first clamping section (31).
8. Stretching apparatus as claimed in claim 1 or 7, wherein: coupling assembling (5) are including an isosceles triangle connecting plate (51), first pulling force section (32) and second pulling force section (42) are connected respectively at two base angles departments that equal of isosceles triangle connecting plate (51), the apex angle of isosceles triangle connecting plate (51) is used for applying the pulling force.
9. Stretching apparatus as claimed in claim 8, wherein: the connecting assembly (5) further comprises two connecting shackles (52) which are respectively connected at two equal base angles of the isosceles triangle connecting plate (51), and the first tension section (32) and the second tension section (42) are respectively connected with the two connecting shackles (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920943719.7U CN210180802U (en) | 2019-06-21 | 2019-06-21 | Stretching device for optical fiber composite low-voltage cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920943719.7U CN210180802U (en) | 2019-06-21 | 2019-06-21 | Stretching device for optical fiber composite low-voltage cable |
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| CN210180802U true CN210180802U (en) | 2020-03-24 |
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| CN201920943719.7U Active CN210180802U (en) | 2019-06-21 | 2019-06-21 | Stretching device for optical fiber composite low-voltage cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132721A (en) * | 2019-06-21 | 2019-08-16 | 上海电缆研究所有限公司 | A kind of stretching device and method for optical fiber composite low-voltage cable |
| CN116482166A (en) * | 2023-06-21 | 2023-07-25 | 江苏银锡高温线缆有限公司 | High temperature cable high temperature resistant detection device |
-
2019
- 2019-06-21 CN CN201920943719.7U patent/CN210180802U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132721A (en) * | 2019-06-21 | 2019-08-16 | 上海电缆研究所有限公司 | A kind of stretching device and method for optical fiber composite low-voltage cable |
| CN110132721B (en) * | 2019-06-21 | 2024-04-30 | 上海电缆研究所有限公司 | Stretching device and method for optical fiber composite low-voltage cable |
| CN116482166A (en) * | 2023-06-21 | 2023-07-25 | 江苏银锡高温线缆有限公司 | High temperature cable high temperature resistant detection device |
| CN116482166B (en) * | 2023-06-21 | 2023-08-25 | 江苏银锡高温线缆有限公司 | High temperature cable high temperature resistant detection device |
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Address after: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee after: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. Patentee after: STATE GRID LIAONING ELECTRIC POWER SUPPLY Co.,Ltd. Patentee after: Shanghai Guoxian Testing Co.,Ltd. Address before: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee before: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. Patentee before: STATE GRID LIAONING ELECTRIC POWER SUPPLY Co.,Ltd. Patentee before: SHANGHAI NATIONAL CENTER OF TESTING AND INSPECTION FOR ELECTRIC CABLE AND WIRE Co.,Ltd. |
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