CN113241649B - Elbow type cable head rapid pulling-out device and using method thereof - Google Patents
Elbow type cable head rapid pulling-out device and using method thereof Download PDFInfo
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- CN113241649B CN113241649B CN202110592801.1A CN202110592801A CN113241649B CN 113241649 B CN113241649 B CN 113241649B CN 202110592801 A CN202110592801 A CN 202110592801A CN 113241649 B CN113241649 B CN 113241649B
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- cable head
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- Power Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
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Abstract
The invention discloses a quick pulling-out device of an elbow-shaped cable head and a using method thereof, wherein the pulling-out device comprises a fixing mechanism, a driving mechanism and a supporting mechanism, the fixing mechanism comprises a first fixing piece and a second fixing piece, the top end of the first fixing piece is hinged with the bottom end of the second fixing piece, and the upper part of the first fixing piece forms a cylinder matched with the horizontal part of the elbow-shaped cable head; the driving mechanism comprises a mounting plate, the center of the end surface of the mounting plate is fixedly connected with the top end of the hydraulic device, pulling rods are symmetrically arranged on two sides of the hydraulic device respectively, the top end of each pulling rod is fixedly connected with the mounting plate, and the bottom end of each pulling rod is detachably and fixedly connected with a first fixing piece; the support mechanism comprises a support, the support is respectively arranged on two sides of the hydraulic device in parallel with a pulling rod, the bottom end of the support is connected with a support seat, and the support seat is connected with a power distribution cabinet box body; wherein, be equipped with the connecting plate between two supports, and hydraulic means bottom and connecting plate sliding connection. The invention reduces the cable head dismantling difficulty and the labor intensity of workers, improves the working efficiency and avoids damaging the cable head and the box body of the power distribution cabinet.
Description
Technical Field
The invention belongs to the technical field of power distribution network maintenance tools, and particularly relates to an elbow-shaped cable head quick pulling-out device and a using method thereof.
Background
In recent years, with the rapid development of urban infrastructure, the cabling rate of 10KV distribution lines is rapidly improved, and the number of plug-in cable terminals of distribution networks is increasing. Most cable heads all adopt the formula of precasting cable head at present, also called elbow type cable head, and elbow type cable head generally adopts negative pressure cavity structure, adopts the silicone grease to seal during the installation, has good sealed, insulating and dampproofing effect.
During equipment maintenance and test, the cable and the equipment need to be separated, but after the cable head runs for a long time, silicone grease is aged, and the elbow-shaped cable head is difficult to remove. The manual work is pulled out outward usually during the dismantlement, to the longer equipment of partial service life, even with the help of instruments such as crowbar, rope under the condition that does not damage equipment, also need many people to cooperate each other, consuming time and hard dismantlement increases staff intensity of labour to work efficiency is lower, leads to user's blackout time longer, reduces user's satisfaction, harms the economic benefits of power supply enterprise.
Disclosure of Invention
The invention aims to provide a rapid pulling-out device for an elbow-shaped cable head, which replaces the conventional manual dismounting mode, reduces the cable head dismounting difficulty and the labor intensity of workers, improves the working efficiency, and avoids damaging the cable head and a power distribution cabinet box body.
The invention adopts the technical scheme that the quick pulling-out device for the elbow-shaped cable head comprises:
the fixing mechanism comprises a first fixing piece and a second fixing piece, the top end of the first fixing piece is hinged with the bottom end of the second fixing piece, and the upper part of the fixing mechanism forms a cylinder shape matched with the horizontal part of the elbow-shaped cable head;
the driving mechanism comprises a mounting plate, the center of the end face of the mounting plate is fixedly connected with the top end of the hydraulic device through a bolt, pulling rods are symmetrically arranged on two sides of the hydraulic device respectively, the top end of each pulling rod is fixedly connected with the mounting plate, and the bottom end of each pulling rod is detachably and fixedly connected with a first fixing piece;
the supporting mechanism comprises a support, the bottom end of the support is connected with a support seat, the support is respectively provided with a pulling rod in parallel at two sides of the driving mechanism, and the support seat is connected with a power distribution cabinet box body;
wherein, be equipped with the connecting plate between two supports, and hydraulic means bottom and connecting plate sliding connection.
Furthermore, the first fixing part is of an L-shaped semi-cylindrical structure, and the second fixing part is of a semi-cylindrical structure matched with the upper part of the first fixing part.
Furthermore, the second fixing piece comprises two locking rings which are oppositely arranged, the locking rings are in a quarter-ring shape, the bottom ends of the two locking rings are respectively hinged with the top end of the first fixing piece, and the top ends of the two locking rings are detachably and fixedly connected through a locking sheet.
Further, the inner wall surfaces of the first fixing piece and the second fixing piece are provided with resin cushions.
Furthermore, the outer side of the top end of the first fixing piece is horizontally provided with a connecting piece respectively, the connecting piece is matched with the pulling rod to form a connecting hole, the bottom end of the pulling rod is provided with a limiting block close to the end part, the end part of the bottom end of the pulling rod is externally provided with a thread and is matched with the pulling rod to form a nut, and the pulling rod penetrates through the connecting hole and then is fastened by the nut and fixedly connected with the first fixing piece.
Furthermore, the end face, deviating from the hydraulic device, of the mounting plate is provided with a handle.
Furthermore, the cross section of the bracket base is H-shaped and has a preset length, the middle part of a groove in the front of the bracket base is rotatably connected with the bracket, and rubber is arranged in a groove in the back of the bracket base.
Furthermore, a sliding groove is formed in the connecting plate along the length direction, and the support penetrates through the connecting plate through the sliding groove and is fixed through a nut.
A use method of a quick pulling-out device for an elbow-shaped cable head comprises the following steps:
step one, opening lock leaves on two lock rings of a second fixing piece, placing a first fixing piece attached to an elbow-shaped cable head on the inner side of the elbow-shaped cable head, enabling the first fixing piece to respectively semi-surround a horizontal part and a vertical part of the elbow-shaped cable head, closing the lock rings and fixing the lock leaves by bolts;
step two, vertically arranging the bracket bases with the brackets on two sides of the fixing mechanism respectively, enabling the edge of the box body of the power distribution cabinet to be positioned in the groove of the bracket base, supporting the bracket out to enable the bracket to be in a horizontal state, adjusting the positions of the bracket bases, and enabling the bracket to penetrate through the connecting plate and be fixed by adopting a nut;
thirdly, the bottom end of the pulling rod penetrates through the connecting plate through the sliding groove and then is inserted into the connecting piece and fixedly connected with the first fixing piece, so that the bottom end of the hydraulic device is in sliding connection with the connecting plate, and the elbow-shaped cable head can be pulled out by starting the hydraulic device;
and step four, disconnecting the lock ring, taking out the elbow type cable head pulled out before, detaching the connection between the pulling rod and the first fixing piece, moving the mounting plate through the handle to enable the hydraulic device to move along the sliding groove, re-mounting the fixing mechanism on another elbow type cable head to be pulled according to the step one, re-connecting the pulling rod and the first fixing piece, and starting the hydraulic device to realize the detachment work of the elbow type cable heads at different positions.
Compared with the prior art, the invention has the beneficial effects that:
1) The invention reduces the difficulty of dismantling the cable head and the labor intensity of workers, improves the working efficiency and avoids damaging the cable head and the box body of the power distribution cabinet; the first fixing piece and the second fixing piece are arranged as fixing mechanisms to wrap the elbow-shaped cable head, so that the contact area of the elbow-shaped cable head and the elbow-shaped cable head is increased, the elbow-shaped cable head is prevented from being easily damaged by a single acting point, the stress capacity is improved, and the pulling-out and dismounting work is facilitated; the mounting plate provided with the hydraulic device is connected with the fixing mechanism through the pulling rod, the hydraulic device contracts to provide power, the fixing mechanism is driven to pull outwards, the cable head is rapidly disassembled, and time and labor are saved; the bracket is connected with the hydraulic device through the connecting plate, and the bottom end of the bracket is connected with the power distribution cabinet box body through the bracket seat, so that a stable dismounting structure is provided, a stress point of a reaction force is formed, the elbow-shaped cable head can be conveniently pulled out, and the use of an inclined plane plate of the power distribution cabinet box body is met;
2) The first fixing piece and the second fixing piece designed by the invention not only protect the cable head from being damaged, but also meet the use of the internal structure of a power distribution cabinet and are limited by space, the first fixing piece has a simple structure, can be directly arranged at the inner side of the cable head, and can wrap the cable head by the first fixing piece and the second fixing piece only by connecting the locking leaves of the locking rings at the exposed part of the upper part of the cable head, wherein the second fixing piece is formed by two locking rings, adapts to the structure of the cable head and is convenient to install, fix and disassemble;
3) The tree rubber pads are arranged on the inner wall surfaces of the first fixing piece and the second fixing piece, so that the cable head is completely protected from being damaged;
4) The connecting piece is arranged on the outer side of the top end of the first fixing piece and connected with the pulling rod to realize the effect of the driving mechanism on the fixing mechanism, and the connecting mode of the driving mechanism and the pulling rod is convenient and quick, so that the fixing mechanism is conveniently sleeved on the elbow-shaped cable head;
5) The handle is arranged on the mounting plate, so that the mounting plate is convenient to stabilize, the pulling rod, the hydraulic device and the like are connected and fixed, and the hydraulic device is convenient to slide to disassemble the next cable head;
6) The contact area between the bracket base and the box body of the power distribution cabinet is increased through the bracket base with the structure, the box body is prevented from being damaged due to overlarge point stress, and meanwhile, the edge of the box body is positioned in the groove of the bracket base, so that the slipping is prevented, and the structure stability of the device is facilitated; the bottom end of the bracket is rotatably connected with the bracket base, so that the bracket is convenient to store in the groove of the bracket base when not in use;
7) Force transmission between the hydraulic device and the support is achieved through the connecting plate, and finally the force is reacted to the box body, wherein the support is connected with the connecting plate in a sliding mode and can be flexibly adjusted to be suitable for different box bodies;
8) The pulling rod penetrates through the connecting plate and is in sliding connection with the connecting plate, and the hydraulic device is positioned between the mounting plate and the connecting plate and is in sliding connection with the connecting plate;
9) The detachable power distribution cabinet has the advantages of detachable components, convenience for storage and carrying, flexibility in adjustment in the use process, convenience for use, applicability to most of power distribution cabinet bodies and box-type substations and strong practicability.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an installation schematic of the present invention;
FIG. 3 is a schematic view of the fixing mechanism of the present invention;
fig. 4 is a schematic structural diagram of the driving mechanism of the present invention.
The mark in the figure is:
1. the fixing mechanism 101, the first fixing piece 1011, the connecting piece 102, the second fixing piece 1021 and the lock ring; 2. the device comprises a driving mechanism, 201, a mounting plate, 2011, a handle, 202, a pulling rod, 2021, a limiting block, 2022, a nut, 203 and a hydraulic device; 3. a supporting device 301, a bracket 302 and a bracket base; 4. a connecting plate 401, a sliding groove; 5. elbow type cable head.
Detailed Description
The invention will be further explained in conjunction with the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Referring to fig. 1-4, a quick pulling-out device for elbow-type cable head and a method for using the same are disclosed, wherein the pulling-out device comprises a fixing mechanism 1, a driving mechanism 2, a supporting mechanism 3 and a connecting plate 4.
The fixing mechanism 1 comprises a first fixing piece 101 and a second fixing piece 102, wherein the first fixing piece 101 is in an L-shaped semi-cylindrical structure and is respectively matched with the horizontal part and the vertical part of the elbow-shaped cable head 5; the second fixing part 102 is of a semi-cylindrical structure matched with the upper portion of the first fixing part 101 and is matched with the horizontal portion of the elbow-shaped cable head 5, the bottom end of the second fixing part 105 is hinged to the top end of the first fixing part 101 to form a cylinder matched with the elbow-shaped cable head 5, the elbow-shaped cable head 5 is fixedly wrapped, the contact area between the fixing mechanism 1 and the elbow-shaped cable head 5 is increased, the stress capacity of the elbow-shaped cable head 5 is improved, and the elbow-shaped cable head 5 is prevented from being damaged by a single stress point. In order to completely protect the elbow cable head 5 from damage, resin pads are disposed on inner wall surfaces of the first fixing member 101 and the second fixing member 102.
In this embodiment, the second fixing part 102 includes two opposite lock rings 1021, the lock rings 1021 are in a quarter ring shape, the bottom ends of the two lock rings 1021 are hinged to the top end of the first fixing part 101, and the top ends of the lock rings 1021 are detachably and fixedly connected through a hinge.
Due to the limitation of internal equipment elements of a box body of a power distribution cabinet, the influence of the structure and the installation condition of the elbow-shaped cable head 5 and the narrow space of the elbow-shaped cable head 5, the first fixing piece 101 can directly extend into the inner side of the elbow-shaped cable head 5 without occupying too large space, and the second fixing piece 102 is locked above the elbow-shaped cable head 5 through the locking ring 1021, so that the elbow-shaped cable head 5 can be fixedly wrapped, and the device is convenient and quick and is convenient to use in an actual operation field.
The pulling rod 202 is two thin round rods with preset length, the top end of the pulling rod 202 is fixedly connected with the mounting plate 201 through a bolt, and the bottom end of the pulling rod can be detachably and fixedly connected with the first fixing piece 101.
Specifically, the outside level respectively of first mounting 101 top is equipped with connecting piece 1011, and connecting piece 1011 matches pulling pole 202 and sets up the connecting hole, pulling pole 202 bottom is close to tip department and is equipped with stopper 2021 for the restriction pulling pole 202 slides, and the external screw thread of pulling pole 202 bottom end to matching pulling pole 202 and setting up nut 2022, pulling pole 202 bottom adopts nut 2022 fastening after passing connecting piece 1011 through the connecting hole to fasten, realizes the fixed connection with first mounting 101.
The supporting mechanism 3 comprises a bracket 301 and a bracket base 302, and the bottom end of the bracket 301 is connected with the bracket base 302; specifically, the cross section of the support base 302 is in an H shape and has a preset length, the middle of a groove in the front of the support base 302 is rotatably connected with the support 301, and rubber is arranged in a groove in the back of the support base 302, so that the support base 302 can be erected on a box body of a power distribution cabinet, and the box body is protected from being damaged.
Wherein, support 301 and support seat 302 correspond and are equipped with two sets, and two supports 301 are parallel pull rod 201 respectively and are located actuating mechanism 2 both sides, and support seat 302 is connected with the switch board box to two supports 301 and pull rod 202 are located same horizontal plane.
The bracket base 302 with the structure can meet the use requirement of a power distribution cabinet body inclined plane plate, increase the contact area of the bracket base 302 and the power distribution cabinet body, avoid damaging the cabinet body due to overlarge single-point acting force, and meanwhile, the structure enables the edge of the cabinet body to be positioned in the groove of the bracket base 302, so that the sliding-off is prevented, and the smooth pulling-out process is facilitated; the bottom end of the bracket 301 is rotatably connected with the bracket base 302, and the bracket 301 is accommodated in the groove of the bracket base 302 when not in use, so that the bracket is convenient to store and carry.
The connecting plate 4 is a strip-shaped plate with a predetermined width, and a sliding groove 401 is formed in the connecting plate 4 along the length direction. The connecting plate 4 is installed between the two brackets 301, and the top ends of the brackets 301 penetrate through the connecting plate 4 through the sliding grooves 401 and are fixed by nuts. And the bottom end of the hydraulic device 203 is slidably connected with the connecting plate 4 through a sliding groove 401, and the pulling rod 202 penetrates through the connecting plate 4 through the sliding groove 401 and is slidably connected with the connecting plate 4. Accomplish the connection of actuating mechanism 2 and supporting mechanism 3 through connecting plate 4, transmit power for the switch board box through supporting mechanism 3, be favorable to extracting elbow type cable head 5 through reaction force. Furthermore, the connecting plate 4 has a supporting effect on the drive mechanism 2.
A use method of a quick pulling-out device for an elbow-shaped cable head comprises the following steps:
step one, opening the lock pages on two lock rings 1021 of a second fixing piece 102, placing a first fixing piece 101 attached to an elbow-shaped cable head 5 at the inner side of the elbow-shaped cable head 5, enabling the first fixing piece 101 to respectively half-surround a horizontal part and a vertical part of the elbow-shaped cable head 5, closing the lock rings 1021 and fixing the lock pages by adopting bolts;
step two, vertically arranging the bracket bases 302 with the brackets 301 on two sides of the fixing mechanism 2 respectively, enabling the edge of the box body of the power distribution cabinet to be positioned in the grooves of the bracket bases 302, supporting the brackets 301 out to be in a horizontal state, adjusting the positions of the bracket bases 302, and enabling the brackets 301 to penetrate through the connecting plate 4 and to be fixed by adopting nuts;
thirdly, the bottom end of the pulling rod 202 penetrates through the connecting plate 4 through the sliding groove 401 and then is inserted into the connecting piece 1011, and is fixedly connected with the first fixing piece 101 after being fastened by the nut 1012, so that the bottom end of the hydraulic device 203 is in sliding connection with the connecting plate 4, and the elbow-shaped cable head 5 can be pulled out by starting the hydraulic device 203;
and step four, disconnecting the lock ring 1021, taking out the elbow cable head 5 pulled out before, detaching the connection between the pulling rod 202 and the first fixing piece 101, moving the mounting plate 201 through the handle 2011, enabling the hydraulic device 203 to move along the sliding groove 401, installing the fixing mechanism 2 on another elbow cable head 5 to be pulled out again according to the step one, reconnecting the pulling rod 202 and the first fixing piece 101, starting the hydraulic device 203, and realizing the detachment work of the elbow cable head 5 at different positions.
The above-described examples are merely illustrative of preferred embodiments of the present invention and do not limit the scope of the present invention. Various modifications and changes may be made by those skilled in the art without departing from the spirit and principles of this invention, and it is intended to cover such modifications and changes as fall within the scope of the appended claims.
Claims (7)
1. The utility model provides a device is extracted fast to elbow type cable head which characterized in that includes:
the fixing mechanism (1) comprises a first fixing piece (101) and a second fixing piece (102), the top end of the first fixing piece (101) is hinged with the bottom end of the second fixing piece (102), and the upper part of the fixing mechanism (1) forms a cylinder shape matched with the horizontal part of the elbow-shaped cable head (5);
the driving mechanism (2) comprises a mounting plate (201), the center of the end face of the mounting plate (201) is fixedly connected with the top end of a hydraulic device (203) through a bolt, pulling rods (202) are symmetrically arranged on two sides of the hydraulic device (203) respectively, the top end of each pulling rod (202) is fixedly connected with the mounting plate (201), and the bottom end of each pulling rod is detachably and fixedly connected with a first fixing piece (101);
the outer sides of the top ends of the first fixing pieces (101) are respectively and horizontally provided with connecting pieces (1011), the connecting pieces are matched with the pulling rod (202) to be provided with connecting holes, the bottom end of the pulling rod (202) close to the end part is provided with a limiting block (2021), the outer end part of the bottom end of the pulling rod (202) is externally provided with threads, the pulling rod (202) is matched with a nut (2022) and is provided with a nut, and the pulling rod (202) penetrates through the connecting holes and is fastened by the nut (2022) and fixedly connected with the first fixing pieces (101);
the supporting mechanism (3) comprises a support (301), the bottom end of the support (301) is connected with a support seat (302), the support (301) is respectively arranged on two sides of the driving mechanism (2) in parallel with the pulling rod (202), and the support seat (302) is connected with a box body of the power distribution cabinet; the cross section of the bracket base (302) is H-shaped and has a preset length, the middle part of a groove in the front surface of the bracket base (302) is rotatably connected with the bracket (301), and rubber is arranged in a groove in the back surface of the bracket base (302);
wherein, be equipped with connecting plate (4) between two supports (301), and hydraulic means (203) bottom and connecting plate (4) sliding connection.
2. The device for rapidly pulling out the elbow-type cable head according to claim 1, wherein the first fixing member (101) has an L-shaped semi-cylindrical structure, and the second fixing member (102) has a semi-cylindrical structure matching with the upper portion of the first fixing member (101).
3. The elbow type cable head quick-extraction device as claimed in claim 2, wherein the second fixing member (102) comprises two oppositely arranged locking rings (1021), the locking rings (1021) are in the shape of a quarter ring, the bottom ends of the two locking rings (1021) are respectively hinged with the top end of the first fixing member (101), and the top ends are detachably and fixedly connected through a locking leaf.
4. The elbow cable head quick-extraction device as claimed in claim 1, wherein the inner wall surfaces of the first fixing member (101) and the second fixing member (102) are provided with resin pads.
5. The device for the rapid extraction of the elbow-type cable head according to claim 3, characterized in that the end face of the mounting plate (201) facing away from the hydraulic device (203) is provided with a handle (2011).
6. The quick pulling device for the elbow-type cable head according to claim 5, wherein the connecting plate (4) is provided with a sliding groove (401) along the length direction, and the bracket (301) passes through the connecting plate (4) through the sliding groove (401) and is fixed by a nut.
7. The method for using the elbow-type cable head quick-extraction device according to claim 6, characterized in that it comprises the following steps:
step one, opening lock leaves on two lock rings (1021) of a second fixing piece (102), placing a first fixing piece (101) attached to an elbow type cable head (5) on the inner side of the elbow type cable head (5), enabling the first fixing piece (101) to respectively semi-surround a horizontal part and a vertical part of the elbow type cable head, closing the lock rings (1021) and fixing the lock leaves by adopting bolts;
step two, vertically arranging support seats (302) with supports (301) on two sides of the fixing mechanism (1) respectively, enabling the edge of a box body of the power distribution cabinet to be located in a groove of the support seats (302), supporting out the supports (301) to enable the support seats to be in a horizontal state, adjusting the positions of the support seats (302), and enabling the supports (301) to penetrate through the connecting plate (4) and be fixed by adopting nuts;
thirdly, the bottom end of the pulling rod (202) penetrates through the connecting plate (4) through the sliding groove (401), then is inserted into the connecting piece (1011) and is fixedly connected with the first fixing piece (101), so that the bottom end of the hydraulic device (203) is slidably connected with the connecting plate (4), and the hydraulic device (203) is started to pull out the elbow-shaped cable head (5);
and step four, disconnecting the connection of the lock ring (1021), taking out the elbow cable head (5) pulled out before, dismantling the connection between the pulling rod (202) and the first fixing piece (101), moving the mounting plate (201) through the handle (2011), enabling the hydraulic device (203) to move along the sliding groove (401), installing the fixing mechanism (1) on another elbow cable head (5) to be pulled out again according to the step one, reconnecting the pulling rod (202) and the first fixing piece (101), starting the hydraulic device (203), and realizing the dismantling work of the elbow cable head (5) at different positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110592801.1A CN113241649B (en) | 2021-05-28 | 2021-05-28 | Elbow type cable head rapid pulling-out device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110592801.1A CN113241649B (en) | 2021-05-28 | 2021-05-28 | Elbow type cable head rapid pulling-out device and using method thereof |
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| CN113241649A CN113241649A (en) | 2021-08-10 |
| CN113241649B true CN113241649B (en) | 2022-12-20 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114094421B (en) * | 2021-11-22 | 2023-12-05 | 国网浙江省电力有限公司宁海县供电公司 | Portable elbow type cable joint quick assembly disassembly device |
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| Publication number | Publication date |
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| CN113241649A (en) | 2021-08-10 |
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