CN114520492A - Quick connector for high-voltage cable - Google Patents
Quick connector for high-voltage cable Download PDFInfo
- Publication number
- CN114520492A CN114520492A CN202210286907.3A CN202210286907A CN114520492A CN 114520492 A CN114520492 A CN 114520492A CN 202210286907 A CN202210286907 A CN 202210286907A CN 114520492 A CN114520492 A CN 114520492A
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- Prior art keywords
- side wall
- sleeve
- mounting groove
- quick connector
- groove
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/182—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation
- H02G15/1826—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation on a removable hollow core, e.g. a tube
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a quick connector for a high-voltage cable, which belongs to the technical field of cable connectors and comprises a connecting cylinder, wherein two ends of the connecting cylinder are respectively provided with a first mounting groove, a sleeve is fixedly arranged on the inner side wall of the first mounting groove, external threads are arranged on the outer side wall of the sleeve, one end of the sleeve is provided with a second mounting groove, an elastic clamping piece is fixedly arranged on the inner side wall of the second mounting groove, a protective sleeve is fixedly arranged on the outer side wall of the connecting cylinder, two ends of the protective sleeve are respectively provided with a fixed sleeve, internal threads are arranged on the inner side wall of the fixed sleeve, a third mounting groove is arranged on the inner side wall of the connecting cylinder, a conductive block is fixedly arranged on the inner side wall of the third mounting groove, a convex block is fixedly arranged on the outer side wall of the connecting cylinder, and the joint of the cable and the device can be sealed, thereby preventing external rainwater from entering the device, and greatly improving the safety of the device.
Description
Technical Field
The invention relates to a quick connector, in particular to a quick connector for a high-voltage cable, and belongs to the technical field of cable connectors.
Background
The high-voltage cable is one of power cables, is a power cable used for transmitting power between 1kv and 1000kv, is mainly applied to power transmission and distribution, and comprises the following components from inside to outside: the armored high-voltage cable is mainly used for being buried in the ground, can resist the compression of high strength on the ground, and can prevent other external force from damaging, the high-voltage cable joint is previously used in wrapping type, mould type, moulding type and other types, the workload required for on-site manufacture is large, and because of the limitation of on-site conditions and the reason of manufacture process, air gaps and impurities are inevitably generated between insulating tape layers, so that the problems are easy to occur, the domestic commonly adopted type is assembly type and prefabrication type, the cable joint is divided into cable terminal joint and cable intermediate joint, no matter what joint form, the cable joint fault generally occurs at the cable insulation shielding fracture, because the cable joint fault is the position with concentrated electric stress, the reason of the cable joint fault caused by manufacture has stress cone body manufacture defects, The cable grounding system comprises a cable grounding box, a cable grounding protection box (with a sheath protector), a cable cross interconnection box, a sheath protector and the like.
However, the existing connector for high-voltage cables is troublesome to use and cannot achieve the effect of quick connection, so that the working efficiency of a user is greatly reduced.
Disclosure of Invention
The present invention is directed to solve the above problems, and an object of the present invention is to provide a quick connector for high voltage cables, which can seal the joint between the cable and the device, so as to prevent external rain water from entering the device, thereby greatly improving the safety of the device.
The invention achieves the aim through the following technical scheme that the quick connector for the high-voltage cable comprises a connecting cylinder, the two ends of the connecting cylinder are respectively provided with a first mounting groove, the inner side wall of the first mounting groove is fixedly provided with a sleeve, the outer side wall of the sleeve is provided with external threads, one end of the sleeve is provided with a second mounting groove, an elastic clamping piece is fixedly arranged on the inner side wall of the mounting groove II, a protective sleeve is fixedly arranged on the outer side wall of the connecting cylinder, both ends of the protective sleeve are provided with fixed sleeves, inner threads are arranged on the inner side walls of the fixed sleeves, a third mounting groove is formed on the inner side wall of the connecting cylinder, a conductive block is fixedly mounted on the inner side wall of the third mounting groove, the outer side wall on the connecting cylinder is fixedly provided with a convex block, and the convex block and the connecting cylinder are provided with four mounting grooves.
Preferably, in order to facilitate the fixed sleeve to move on the sleeve, the fixed sleeve is sleeved on the sleeve through the mutual matching of the internal thread and the external thread.
Preferably, in order to increase the connection effect between the device and the cable conveniently, a hot melt adhesive is fixedly mounted on the inner side wall of the fourth mounting groove, an inner cavity is formed in the convex block, and a heating wire is fixedly mounted on the inner side wall of the inner cavity.
Preferably, in order to facilitate the position to fixed cover to carry on spacingly, be provided with the cavity in the fixed cover, be provided with stop device in the cavity, stop device includes a removal section of thick bamboo, connecting rod, connecting block, mounting panel, spring, limiting plate, axis of rotation, stopper and magnet.
Preferably, in order to install the movable barrel conveniently, a first groove is formed in the inner side wall of the cavity, the limiting block is fixedly installed on the inner side wall of the first groove, and one end of the movable barrel is arranged in the cavity in a penetrating mode.
Preferably, in order to facilitate the position of the movable cylinder in the cavity to be limited, a through hole is formed in the connecting block, the connecting block is sleeved at one end of the movable cylinder through the through hole, and a second groove is formed in one side of the connecting block.
Preferably, for the convenience of the limiting plate moving through the rotating shaft, the rotating shaft is rotatably installed on the inner side wall of the second groove, one end of the limiting plate is fixedly installed on the rotating shaft, and the second connecting block is provided with a third groove.
Preferably, in order to facilitate the limiting plate to be connected with the limiting block, the one end fixed mounting of mounting panel is in on the inside wall of recess three, one side of mounting panel is provided with recess four, the one end fixed mounting of spring is in on the inside wall of recess four.
Preferably, in order to facilitate the position of moving a section of thick bamboo through the connecting block spacing, one side of limiting plate is provided with recess five, the other end fixed mounting of spring is in on the five inside walls of recess, the one end of connecting rod is worn to establish in the moving a section of thick bamboo, be provided with mounting groove five on the inside wall of cavity, magnet fixed mounting be in on the five inside walls of mounting groove.
Preferably, in order to greatly prolong the service life of the device, a groove six is formed in the fixing sleeve, the other end of the connecting rod is fixedly installed on the inner side wall of the groove six, and corrosion-resistant coatings are coated on the outer side walls of the fixing sleeve and the protecting sleeve.
The invention has the beneficial effects that:
1. all scribble on the lateral wall of fixed cover and lag and be equipped with the corrosion-resistant coating, the corrosion-resistant effect of this device of increase that the corrosion-resistant coating can be great can prolong the life of this device key member, can make this device be fit for using in the open air.
2. Be provided with the conducting block in this device, the user can wear to establish in the connecting cylinder through the sleeve with two cables that need connect, and wear to establish the one end top in the connecting cylinder on the conducting block with the cable, when the user rotates fixed cover and fixes the cable, fixed cover accessible connecting rod can drive the limiting plate with mutually supporting of removing the section of thick bamboo and remove, and the locating piece can jack-up the limiting plate, after the user finishes rotating fixed cover, the spring can push up the one end of limiting plate into the space between the stopper, thereby the stopper can carry on spacingly to the position of limiting plate, thereby make fixed cover only can fasten the elasticity clamping piece, can't relieve the fastening to the elasticity clamping piece, and then can prevent that the not hard up condition from appearing in fixed cover, thereby can be great improvement this device is to the fixed effect of cable.
3. When the user finishes connecting the cable, the heating wire energization works, the hot melt adhesive can be heated and melted after the heating wire energization works, the hot melt adhesive after being heated and melted can flow onto the cable, and then the junction of the cable and the device can be sealed, so that the external rainwater can be prevented from entering the device, and the safety of the device is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection between the elastic clip and the sleeve of the present invention.
Fig. 3 is a schematic view of the connection between the fixing sleeve and the limiting device of the present invention.
Fig. 4 is a schematic view of the internal structure of the pouch according to the present invention.
Fig. 5 is a schematic view of the internal structure of the moving cylinder of the present invention.
Fig. 6 is a schematic view of the connection between the limiting plate and the limiting block.
In the figure: 1. a connecting cylinder; 2. a sleeve; 3. an external thread; 4. an elastic clip; 5. a protective sleeve; 6. fixing a sleeve; 7. an internal thread; 8. a conductive block; 9. a bump; 10. hot melt adhesive; 11. an electric heating wire; 12. a connecting rod; 13. moving the drum; 14. connecting blocks; 15. mounting a plate; 16. a spring; 17. a limiting plate; 18. a rotating shaft; 19. a limiting block; 20. and (4) a magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a quick connector for high-voltage cables comprises a connecting cylinder 1, wherein two ends of the connecting cylinder 1 are respectively provided with a first mounting groove, a sleeve 2 is fixedly mounted on the inner side wall of the first mounting groove, an external thread 3 is arranged on the outer side wall of the sleeve 2, a protective sleeve 5 is fixedly mounted on the outer side wall of the connecting cylinder 1, two ends of the protective sleeve 5 are respectively provided with a fixed sleeve 6, an internal thread 7 is arranged on the inner side wall of the fixed sleeve 6, a cavity is arranged in the fixed sleeve 6, a limiting device is arranged in the cavity and comprises a movable cylinder 13, a connecting rod 12, a connecting block 14, a mounting plate 15, a spring 16, a limiting plate 17, a rotating shaft 18, a limiting block 19 and an iron-absorbing stone 20, a third mounting groove is arranged on the inner side wall of the connecting cylinder 1, a conductive block 8 is fixedly mounted on the inner side wall of the third mounting groove, and a convex block 9 is fixedly mounted on the outer side wall of the connecting cylinder 1, all be provided with mounting groove four on lug 9 and the connecting cylinder 1, during the use, the user can inspect earlier whether each part in this device is perfect, is provided with conducting block 8 in this device, and the user can wear to establish in connecting cylinder 1 through sleeve 2 with two cables that need connect to wear to establish the one end top in connecting cylinder 1 on conducting block 8 with the cable.
As a technical optimization scheme of the invention, as shown in figures 1, 2 and 3, the quick connector for the high-voltage cable comprises a connecting cylinder 1, wherein two ends of the connecting cylinder 1 are respectively provided with a first mounting groove, the inner side wall of the first mounting groove is fixedly provided with a sleeve 2, the outer side wall of the connecting cylinder 1 is fixedly provided with a protective sleeve 5, two ends of the protective sleeve 5 are respectively provided with a fixed sleeve 6, the fixed sleeves 6 are sleeved on the sleeves 2 through the mutual matching of internal threads 7 and external threads 3, one end of the sleeves 2 is provided with a second mounting groove, the inner side wall of the second mounting grooves is fixedly provided with an elastic clamping piece 4, when a cable is penetrated in the sleeves 2 by a user, the user can firstly rotate the fixed sleeves 6 to enable the fixed sleeves 6 to move on the sleeves 2 through the mutual matching of the internal threads 7 and the external threads 3, the inner diameter of one end of the fixed sleeves 6 is smaller, so that when the fixed sleeves 6 move, the smaller one end of its internal diameter can extrude elasticity clamping piece 4, and then can make and close between the elasticity clamping piece 4 to can make elasticity clamping piece 4 carry out the centre gripping to the cable and fix, easy operation, great increase the user to the connection efficiency of cable.
As a technical optimization scheme of the invention, as shown in FIG. 5, a quick connector for a high-voltage cable comprises a connecting cylinder 1, wherein two ends of the connecting cylinder 1 are respectively provided with a first mounting groove, the inner side wall of the first mounting groove is fixedly provided with a sleeve 2, the outer side wall of the sleeve 2 is provided with an external thread 3, the outer side wall of the connecting cylinder 1 is fixedly provided with a protective sleeve 5, two ends of the protective sleeve 5 are respectively provided with a fixed sleeve 6, the inner side wall of the fixed sleeve 6 is provided with an internal thread 7, the inner side wall of the fourth mounting groove is fixedly provided with a hot melt adhesive 10, a convex block 9 is internally provided with an inner cavity, the inner side wall of the inner cavity is fixedly provided with an electric heating wire 11, when a user finishes connecting the cable, the electric heating wire 11 is electrified to work, the electric heating wire 11 can heat and melt the hot melt adhesive 10, the hot melt can flow onto the cable, and further can seal the connection between the cable and the quick connector, thereby can prevent the condition in external rainwater entering this device, great improvement this device's security.
As a technical optimization scheme of the invention, as shown in figures 1, 3 and 6, the quick connector for the high-voltage cable comprises a connecting cylinder 1, wherein two ends of the connecting cylinder 1 are respectively provided with a first mounting groove, a sleeve 2 is fixedly mounted on the inner side wall of the first mounting groove, an external thread 3 is arranged on the outer side wall of the sleeve 2, a protective sleeve 5 is fixedly mounted on the outer side wall of the connecting cylinder 1, two ends of the protective sleeve 5 are respectively provided with a fixed sleeve 6, an internal thread 7 is arranged on the inner side wall of the fixed sleeve 6, a cavity is arranged in the fixed sleeve 6, a limiting device is arranged in the cavity and comprises a moving cylinder 13, a connecting rod 12, a connecting block 14, a mounting plate 15, a spring 16, a limiting plate 17, a rotating shaft 18, a limiting block 19 and a magnet 20, a first groove is arranged on the inner side wall of the cavity, the limiting block 19 is fixedly mounted on the inner side wall of the first groove, one end of the moving cylinder 13 is arranged in the cavity in a penetrating manner, a through hole is arranged on the connecting block 14, the connecting block 14 is sleeved at one end of the moving cylinder 13 through the through hole, a second groove is arranged on one side of the connecting block 14, the rotating shaft 18 is rotatably arranged on the inner side wall of the second groove, one end of the limiting plate 17 is fixedly arranged on the rotating shaft 18, a third groove is arranged on the connecting block 14, one end of the mounting plate 15 is fixedly arranged on the inner side wall of the third groove, a fourth groove is arranged on one side of the mounting plate 15, one end of the spring 16 is fixedly arranged on the inner side wall of the fourth groove, a fifth groove is arranged on one side of the limiting plate 17, the other end of the spring 16 is fixedly arranged on the inner side wall of the fifth groove, one end of the connecting rod 12 is penetrated in the moving cylinder 13, a fifth mounting groove is arranged on the inner side wall of the cavity, the magnet 20 is fixedly arranged on the inner side wall of the fifth groove, when a user rotates the fixing sleeve 6 to fix a cable, the fixing sleeve 6 can drive the limiting plate 17 to move through the mutual matching of the connecting rod 12 and the moving cylinder 13, and the locating piece can jack up limiting plate 17, after the user finishes rotating fixed cover 6, spring 16 can push the one end of limiting plate 17 into the space between the stopper 19 to stopper 19 can carry on spacingly to limiting plate 17's position, thereby make fixed cover 6 only can fasten elastic clamping piece 4, can't relieve the fastening to elastic clamping piece 4, and then can prevent fixed cover 6 the not hard up condition from appearing, thereby improvement that can be great is fixed the effect to the cable.
As a technical optimization scheme of the invention, as shown in FIG. 1, a protective sleeve 5 is fixedly mounted on the outer side wall of a connecting cylinder 1, two ends of the protective sleeve 5 are respectively provided with a fixed sleeve 6, the fixed sleeve 6 is provided with a groove six, the other end of a connecting rod 12 is fixedly mounted on the inner side wall of the groove six, and the outer side walls of the fixed sleeve 6 and the protective sleeve 5 are respectively coated with a corrosion-resistant coating, so that the corrosion-resistant effect of the device can be greatly improved, the service life of key components of the device can be prolonged, and the device is suitable for outdoor use.
When the device is used, a user can check whether each component in the device is perfect or not, the outer side walls of the fixed sleeve 6 and the protective sleeve 5 are respectively coated with the corrosion-resistant coating, the corrosion-resistant coatings can greatly increase the corrosion-resistant effect of the device, the service life of key components of the device can be prolonged, the device is suitable for outdoor use, the conductive block 8 is arranged in the device, the user can penetrate two cables to be connected into the connecting cylinder 1 through the sleeve 2, one end of the cable penetrating into the connecting cylinder 1 is propped against the conductive block 8, when the user rotates the fixed sleeve 6 to fix the cables, the fixed sleeve 6 can drive the limiting plate 17 to move through the mutual matching of the connecting rod 12 and the moving cylinder 13, the limiting plate 17 can be propped up by the positioning block, after the user rotates the fixed sleeve 6, one end of the limiting plate 17 can be propped into a gap between the limiting blocks 19 by the spring 16, thereby stopper 19 can carry on spacingly to the position of limiting plate 17, thereby make fixed cover 6 only can fasten elastic clamping piece 4, can't relieve the fastening to elastic clamping piece 4, and then can prevent fixed cover 6 the not hard up condition from appearing, thereby improvement this device that can be great is to the fixed effect of cable, after the user finishes to cable junction, heating wire 11 circular telegram work in time, can heat hot melt adhesive 10 after 11 circular telegram work of heating wire and melt, hot melt adhesive 10 after the heating melts can flow to the cable, and then can seal the junction of cable and this device, thereby can prevent that external rainwater from getting into the condition in this device, great improvement the security of this device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a high tension cable uses quick-operation joint which characterized in that: comprises a connecting cylinder (1), wherein both ends of the connecting cylinder (1) are provided with a first mounting groove, a sleeve (2) is fixedly arranged on the inner side wall of the first mounting groove, external threads (3) are arranged on the outer side wall of the sleeve (2), one end of the sleeve (2) is provided with a second mounting groove, the inner side wall of the second mounting groove is fixedly provided with an elastic clamping piece (4), a protective sleeve (5) is fixedly arranged on the outer side wall of the connecting cylinder (1), two ends of the protective sleeve (5) are respectively provided with a fixed sleeve (6), an internal thread (7) is arranged on the inner side wall of the fixed sleeve (6), a third mounting groove is arranged on the inner side wall of the connecting cylinder (1), a conductive block (8) is fixedly arranged on the inner side wall of the mounting groove III, a convex block (9) is fixedly arranged on the outer side wall of the connecting cylinder (1), and the lug (9) and the connecting cylinder (1) are provided with a fourth mounting groove.
2. A quick connector according to claim 1, characterized in that: the fixing sleeve (6) is sleeved on the sleeve (2) through the mutual matching of the internal thread (7) and the external thread (3).
3. A quick connector according to claim 1, characterized in that: fixedly mounted on the inside wall of mounting groove four has hot melt adhesive (10), be provided with the inner chamber in lug (9), fixedly mounted on the inside wall of inner chamber has heating wire (11).
4. A quick connector according to claim 1, characterized in that: the iron-attracting type iron core is characterized in that a cavity is formed in the fixing sleeve (6), a limiting device is arranged in the cavity, and the limiting device comprises a moving cylinder (13), a connecting rod (12), a connecting block (14), a mounting plate (15), a spring (16), a limiting plate (17), a rotating shaft (18), a limiting block (19) and an iron-attracting stone (20).
5. A quick connector according to claim 4, characterized in that: be provided with recess one on the inside wall of cavity, stopper (19) fixed mounting be in on the inside wall of recess one, the one end of a removal section of thick bamboo (13) is worn to establish in the cavity.
6. A quick connector according to claim 4, characterized in that: the connecting block (14) is provided with a through hole, the connecting block (14) is sleeved at one end of the moving cylinder (13) through the through hole, and one side of the connecting block (14) is provided with a second groove.
7. A quick connector according to claim 6, characterized in that: the rotating shaft (18) is rotatably installed on the inner side wall of the second groove, one end of the limiting plate (17) is fixedly installed on the rotating shaft (18), and the second connecting block (14) is provided with a third groove.
8. The quick connector according to claim 7, wherein: one end fixed mounting of mounting panel (15) is in on the inside wall of recess three, one side of mounting panel (15) is provided with recess four, the one end fixed mounting of spring (16) is in on the inside wall of recess four.
9. A quick connector according to claim 4, characterised in that: one side of limiting plate (17) is provided with recess five, the other end fixed mounting of spring (16) is in on the five inside walls of recess, the one end of connecting rod (12) is worn to establish in moving section of thick bamboo (13), be provided with mounting groove five on the inside wall of cavity, magnet (20) fixed mounting be in on the five inside walls of mounting groove.
10. A quick connector according to claim 4, characterized in that: the anti-corrosion protective sleeve is characterized in that a groove six is formed in the fixed sleeve (6), the other end of the connecting rod (12) is fixedly installed on the inner side wall of the groove six, and the outer side walls of the fixed sleeve (6) and the protective sleeve (5) are coated with corrosion-resistant coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286907.3A CN114520492A (en) | 2022-03-22 | 2022-03-22 | Quick connector for high-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286907.3A CN114520492A (en) | 2022-03-22 | 2022-03-22 | Quick connector for high-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114520492A true CN114520492A (en) | 2022-05-20 |
Family
ID=81600217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210286907.3A Pending CN114520492A (en) | 2022-03-22 | 2022-03-22 | Quick connector for high-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114520492A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116387921A (en) * | 2023-04-13 | 2023-07-04 | 河北鸿宇通信器材有限公司 | Method for processing steel strand joint for communication line |
| CN117791438A (en) * | 2023-12-28 | 2024-03-29 | 扬州硕宇高压电气有限公司 | Tail pipe sealing equipment of cable terminal |
-
2022
- 2022-03-22 CN CN202210286907.3A patent/CN114520492A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116387921A (en) * | 2023-04-13 | 2023-07-04 | 河北鸿宇通信器材有限公司 | Method for processing steel strand joint for communication line |
| CN116387921B (en) * | 2023-04-13 | 2023-10-24 | 河北鸿宇通信器材有限公司 | Method for processing steel strand joint for communication line |
| CN117791438A (en) * | 2023-12-28 | 2024-03-29 | 扬州硕宇高压电气有限公司 | Tail pipe sealing equipment of cable terminal |
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