CN114446527B - Short-circuit type compression-resistant protection armored cable for ground laying - Google Patents

Short-circuit type compression-resistant protection armored cable for ground laying Download PDF

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Publication number
CN114446527B
CN114446527B CN202210148023.1A CN202210148023A CN114446527B CN 114446527 B CN114446527 B CN 114446527B CN 202210148023 A CN202210148023 A CN 202210148023A CN 114446527 B CN114446527 B CN 114446527B
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compression
armored cable
cable
short
cable body
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CN114446527A (en
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项伟
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Cui Meng
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Cable Accessories (AREA)

Abstract

The invention discloses a short-circuit type compression-resistant protection armored cable for ground laying, which comprises an armored cable body, protective strips, a short connector, a butt joint groove, a cushion block, an inflation head, a cable core, a spring and a sealing ring, wherein an inner concave buffer groove for fixing a compression-resistant bag is formed in the middle of the upper end of the armored cable body, the protective strips which are integrally formed are vertically arranged at the top end of the compression-resistant bag, the lower end of the armored cable body is glued with the long-strip-shaped cushion block, the inflation head communicated with the bottom of the compression-resistant bag is penetrated through the bottom of the armored cable body, and the cable core is penetrated in the armored cable body. This ground lays with short circuit resistance to compression protection armoured cable through the dual improvement to current armoured cable protective structure and connection structure, can not only improve the laying speed of armoured cable after armoured cable lays, also can armoured cable carry out the resistance to compression protection simultaneously, avoids the damage of armoured cable joint department.

Description

Short-circuit type compression-resistant protection armored cable for ground laying
Technical Field
The invention relates to the technical field of cables, in particular to a short-circuit type compression-resistant protection armored cable for ground laying.
Background
A power transmission device for providing power transmission by cable action, which is widely used in industry and life, for example, in reference applications: CN201821685816.2, publication No. CN208996666U, a connection structure of an armored cable and a steel pipe cable. The cable comprises an armored cable and a steel pipe cable; the armored cable passes through the armored cable compression screw, the armored cable sleeve, the armored cable compression screw plug and the armored cable sealing plug from top to bottom to be connected with the upper end of the connecting pipe; the steel pipe cable passes through the steel pipe cable compression screw, the steel pipe cable sealing ball, the steel pipe cable compression screw plug and the steel pipe cable sealing plug from bottom to top to be connected with the connecting pipe. The method mainly improves the reliability of cable connection communication and reduces the impact on the cable in the process of descending the well. Completely meets the use requirement of the underground environment, but has the following problems when in use:
1. when the armored cable is paved on the ground surface temporarily, when outside pedestrians, vehicles or other large moving objects pass through the cable, the cable connection part is easy to be damaged, and the stable pavement of the cable is not facilitated;
2. meanwhile, when the cable is required to be laid in different scenes, the connection of the cable joint is complicated, the laying time is long, and the cable cannot be spliced and installed rapidly.
Disclosure of Invention
The invention aims to provide a short-circuit type compression-resistant protection armored cable for ground laying, which aims to solve the problems that when the armored cable is temporarily laid on the ground surface, when an external pedestrian, a vehicle or other large moving objects pass through the cable, the pressure loss is easily caused at the cable connection part, the stable laying of the cable is not facilitated, and meanwhile, when the armored cable is required to be laid in different scenes, the cable connection part is complicated, the laying time is long, and the cable cannot be quickly spliced and installed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a ground lays with short circuit resistance to compression protection armoured cable, includes armoured cable body, protection strip, short interface, butt joint groove, cushion, aerifys first, cable core, spring and sealing washer, the interior concave buffer tank that is used for fixed resistance to compression bag has been seted up at the upper end middle part of armoured cable body, the vertical range in top of resistance to compression bag has integrated into one piece's protection strip, the lower extreme of armoured cable body is glued and is had long banding cushion, the bottom of armoured cable body run through have with the head of aerifing of resistance to compression bag bottom intercommunication, the cable core is worn to be equipped with in the inside of armoured cable body.
Further, the short-circuit ports of trapezoidal shape are all offered to the both sides of an armoured cable body terminal surface, the inside of short-circuit port is provided with telescopic expansion portion, the inner of expansion portion with the link frame integrated into one piece in the inside expansion tank of armoured cable body establishes.
Further, a spring is arranged between the inner side of the linkage frame and the telescopic groove, a wiring sleeve used for wiring is fixed in the middle of the linkage frame, the inner end of the wiring sleeve penetrates through the middle of the linkage frame and is connected with the cable core through a connecting wire, and the wiring sleeve is located 2 butt joint grooves between the short-circuit ports.
Furthermore, both sides of the other end face of the armored cable body are integrally formed with trapezoidal poking parts which are arranged corresponding to the short connecting ports, and binding posts which are in butt joint with the junction sleeve are arranged in the middle of the end face of the armored cable body between the poking parts, namely 2 poking parts.
Further, the length of the wiring sleeve is smaller than that of the telescopic part, the inner diameter of the opening at the outer end of the wiring sleeve is the same as the outer diameter of the wiring terminal, and the height of the wiring terminal is higher than that of the poking parts at two sides of the wiring terminal.
Furthermore, 4 deflection grooves are formed in the outer wall of the binding post at equal intervals, annular guide openings are formed in the tops, close to the outer ends of the binding post, of the deflection grooves, and sealing rings capable of sliding up and down are arranged in the guide openings.
Further, a rotatable deflection mechanism is arranged in the deflection groove, the deflection mechanism is connected with the inner wall of the deflection groove through a first support shaft, the outer end of the deflection mechanism is provided with a pushing part, the lower part of the pushing part is provided with a spring, the inner end of the deflection mechanism is connected with a pushing part through a first rotation shaft, and the top of the pushing part is connected with an inner groove of the sealing ring.
Further, the outer end of the pushing part protrudes out of the outer surface of the binding post, the outer end face of the sealing ring is located in the guiding opening, and the pushing part is arranged in an arc shape.
Further, the middle part of the inside of the compression resistant bag is provided with an arc-shaped middle compression resistant plate, two sides of the middle compression resistant plate are rotationally connected with one end of the side compression resistant plate through a second rotating shaft, and the side compression resistant plate is connected with the inner wall of the buffer groove through a second supporting shaft.
Compared with the prior art, the invention has the beneficial effects that: according to the short-circuit type compression-resistant protection armored cable for ground laying, through double improvements on the existing armored cable protection structure and the connecting structure, after the armored cable is laid, the laying speed of the armored cable can be increased, and meanwhile, the armored cable can be subjected to compression-resistant protection, so that damage to joints of the armored cable is avoided;
1. the telescopic part is arranged in the short joint at one end of the armored cable body and plays a role of being matched with the poking part at one end of the other armored cable body, when the armored cable body is spliced, the poking part pokes the telescopic part, and then the linkage frame drives the butting operation of the wiring sleeve and the wiring post, so that the butting between the armored cable bodies can be realized in the process of splicing the armored cable bodies, the convenience and the rapidness are realized, and the wiring operation of the armored cable bodies is saved;
2. the sealing ring can slide up and down in the guide opening on the outer wall of the binding post, the inner side of the sealing ring is connected with the pushing part, the pushing part is connected with the inner end of the deflection mechanism, when the wiring sleeve is sleeved on the binding post, the wiring sleeve presses the pushing part at the outer end of the deflection mechanism, so that the deflection mechanism rotates, the pushing part is pushed out, the sealing ring is tightly pushed against the inner wall of the interface of the wiring sleeve by the pushing part, and sealing between the wiring sleeve and the binding post is facilitated;
3. the upper end at armoured cable body is equipped with fixed resistance to compression bag, plays the effect to carrying out resistance to compression protection to armoured cable body, simultaneously, is provided with circular-arc middle part resistance to compression board in the inside of resistance to compression bag, and the both sides of middle part resistance to compression board all are equipped with rotatable forehead lateral part resistance to compression board, can realize the support to resistance to compression bag top when external object presses in resistance to compression bag middle part or avris, avoid causing the crushing of resistance to compression bag because of external force is too big.
Drawings
Fig. 1 is a schematic top view of an armored cable body of a short-circuit type compression-resistant protection armored cable for ground laying;
fig. 2 is a schematic right-side view of an armored cable body of the short-circuit type compression-resistant protection armored cable for ground laying according to the present invention;
FIG. 3 is a schematic view of the sectional structure of section b-b in FIG. 2 of a shorted compressive protective armoured cable for ground laying according to the present invention;
fig. 4 is a schematic left-view structural diagram of an armored cable body of the short-circuit type compression-resistant protection armored cable for ground laying;
FIG. 5 is a schematic view of the sectional structure of the portion a-a in FIG. 1 of a short-circuit type compression-resistant protective armored cable for ground laying according to the present invention;
fig. 6 is an enlarged schematic view of a point a in fig. 5 of a short-circuit type compression-resistant protection armored cable for ground laying according to the present invention;
fig. 7 is an enlarged schematic view of the structure of point B in fig. 5 of a short-circuit type compression-resistant protective armoured cable for ground laying according to the present invention;
fig. 8 is a schematic structural view of an armoured cable body splicing state of a short-circuit type compression-resistant protection armoured cable for ground laying;
fig. 9 is an enlarged schematic view of the C-point structure of fig. 8 of a short-circuit type compression-resistant protection armored cable for ground laying according to the present invention;
fig. 10 is an enlarged schematic view of the D point in fig. 9 of a short-circuit type compression-resistant protection armoured cable for ground laying according to the present invention;
FIG. 11 is a schematic cross-sectional view of a terminal of a short-circuit type compression-resistant protective armored cable for ground laying according to the present invention;
fig. 12 is a schematic view showing the bottom view of an armored cable body of the short-circuit type compression-resistant protection armored cable for ground laying according to the present invention;
FIG. 13 is a schematic view of the cross-sectional structure of the portion c-c of FIG. 1 of a shorted compressive protective armor cable for ground laying according to the present invention;
fig. 14 is a schematic structural view of a middle pressure-resistant plate of a short-circuit pressure-resistant protection armored cable for ground laying according to the present invention;
fig. 15 is a schematic structural view of a side pressure-resistant plate of a short-circuit pressure-resistant protection armored cable for ground laying according to the present invention.
In the figure: 1. an armored cable body; 2. a buffer tank; 3. a compression resistant bladder; 4. a guard bar; 5. a short interface; 6. a telescopic part; 7. a butt joint groove; 8. a wiring sleeve; 9. a toggle part; 10. binding posts; 11. a telescopic slot; 12. a linkage frame; 13. a connecting wire; 14. a cushion block; 15. an inflation head; 16. a cable core; 17. a middle pressure-resistant plate; 18. a spring; 19. a deflection tank; 20. a deflection mechanism; 21. a first support shaft; 22. a pressing part; 23. a first rotation shaft; 24. a pushing part; 25. a seal ring; 26. a guide opening; 27. a second rotation shaft; 28. a side pressure-resistant plate; 29. and a second support shaft.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-15;
example 1
The utility model provides a ground lays and uses short circuit resistance to compression protection armoured cable, including armoured cable body 1, the interior concave buffer tank 2 that is used for fixed resistance to compression bag 3 has been seted up at the upper end middle part of armoured cable body 1, the top vertical range of resistance to compression bag 3 has integrated into one piece's protection strip 4, the lower extreme of armoured cable body 1 is glued there is long banding cushion 14, the bottom of armoured cable body 1 runs through have with the inflatable head 15 of resistance to compression bag 3 bottom intercommunication, the cable core 16 has been worn to the inside of armoured cable body 1, the short circuit mouth 5 of trapezoidal form has all been seted up to the both sides of an end face of armoured cable body 1, the inside of short circuit mouth 5 is provided with telescopic extension 6, the inner of extension 6 and the interior linkage frame 12 integrated into one piece of flexible slot 11 of armoured cable body establish, be provided with spring 18 between the inboard of linkage frame 12 and the flexible slot 11, the middle part of linkage frame 12 is fixed with the wire sleeve 8 that is used for the wiring, the inner run through frame 12 middle part 13 and cable core 16 are connected, the wire sleeve 8 is located 2 butt joint groove 7 between the short circuit mouth 5, the inside of armoured cable body 1 is worn to be equipped with cable core 16, the inside the terminal connection wire 1 is provided with the terminal connection 9 and the inside the extension 9 when setting up the terminal body is corresponding to the terminal 1 and the terminal connection 9, the inside of extension 9 and the extension 9, the extension 9 is set up and the extension wire 10 and the inside the extension wire sleeve is set up between the terminal 1 and the extension 9.
Example 2
The difference between this embodiment and embodiment 1 is that the length of the wire sleeve 8 is smaller than the length of the telescopic part 6, the inner diameter of the opening at the outer end of the wire sleeve 8 is the same as the outer diameter of the wire sleeve 10, the height of the wire sleeve 10 is higher than the height of the poking parts 9 at two sides of the wire sleeve 10, 4 deflection grooves 19 are equidistantly formed in the outer wall of the wire sleeve 10, annular guide openings 26 are formed in the tops of the deflection grooves 19 close to the outer ends of the wire sleeve 10, sealing rings 25 capable of sliding up and down are arranged in the guide openings 26, rotatable deflection mechanisms 20 are arranged in the deflection grooves 19, the deflection mechanisms 20 are connected with the inner wall of the deflection grooves 19 through first support shafts 21, pushing parts 22 are arranged at the outer ends of the deflection mechanisms 20, springs 18 are arranged at the lower parts of the pushing parts 22, the inner ends of the deflection mechanisms 20 are connected with pushing parts 24 through first rotation shafts 23, the tops of the pushing parts 24 are connected with grooves in the inner sides of the sealing rings 25, the outer ends of the pushing parts 22 are protruded out of the outer surfaces of the wire sleeve 10, the outer end faces of the sealing rings 25 are located in the guide openings 26, the pushing parts 24 are arranged in an arc shape, sealing rings 25 are arranged in the outer sides of the sealing rings 25, the sealing rings 25 arranged in the sealing rings 25 are matched with the sealing rings 25 arranged in the outer side of the wire sleeve 10, the wire sleeve 8, and the wire sleeve can be connected with the wire sleeve 8 in the sealing effect is achieved.
Example 3
Unlike embodiment 1, the middle part inside the compression-resistant bag 3 is provided with an arc-shaped middle compression-resistant plate 17, two sides of the middle compression-resistant plate 17 are rotatably connected with one end of a side compression-resistant plate 28 through a second rotating shaft 27, the side compression-resistant plate 28 is connected with the inner wall of the buffer tank 2 through a second supporting shaft 29, the pressure of the outside on the armored cable body 1 can be relieved through the arrangement of the compression-resistant bag 3, and meanwhile, the compression-resistant bag 3 is protected from overlarge pressure applied to the compression-resistant bag 3 while the compression pressure of the compression-resistant bag 3 is ensured, and the protection of the compression-resistant bag 3 is realized.
Working principle: when the short-circuit type compression-resistant protection armored cable for ground laying is used, as shown in fig. 1 and 12, the compression-resistant bag 3 in the buffer tank 2 is inflated through the inflation head 15 at the bottom of the armored cable body 1, after the inflation is finished, the armored cable body 1 is laid on the ground to be laid, then one side of the second armored cable body 1 with the poking part 9 is butted with one side of the first armored cable body 1 with the telescopic part 6, namely, as shown in fig. 1-9, the poking part 9 on the first armored cable body 1 is aligned with the short-circuit opening 5 on the second armored cable body 1, the second armored cable body 1 is pressed down, after the poking part 9 enters the short-circuit opening 5, the poking part 9 presses down the telescopic part 6, the telescopic part 6 drives the linkage frame 12 to squeeze the spring 18 in the telescopic tank 11, the linkage frame 12 drives the wiring sleeve 8 in the middle of the linkage frame to move, after the poking part 9 moves downwards to the telescopic part 6 to be put down, the telescopic part 6 loses the pushing of the linkage frame 12, the linkage frame 12 moves outwards to reset under the pushing of the spring 18, at the moment, the wiring sleeve 8 is positioned right in front of the wiring sleeve 8, the wiring sleeve 8 is sleeved on the wiring sleeve 10, meanwhile, as shown in fig. 5-11, the wiring sleeve 8 is extruded to the pushing part 22 outside the wiring sleeve 10 in the process of being sleeved on the wiring sleeve 10, the pushing part 22 extrudes the spring 18 below the wiring sleeve 8, so as to drive the deflection mechanism 20 to rotate through the first support shaft 21, and pushes the pushing part 24 upwards through the first rotating shaft 23, so that the sealing ring 25 is pushed out of the guide opening 26 to be in contact with the inner wall of the interface of the wiring sleeve 8, at the moment, the butt joint of two armored cable bodies 1 is completed, and then, docking according to the same arrangement;
when the armored cable body 1 is laid, as shown in fig. 1 and 13-15, when an external object extrudes the armored cable body 1, the extrusion degree of the armored cable body 1 can be slowed down due to the fact that the compression-resistant bags 3 are filled with gas, when the side parts of the armored cable body 1 are extruded, the arrows are extrusion directions, the side part compression-resistant plates 28 deflect and support the compression-resistant bags 3, namely, as shown in fig. 15, when the middle part of the armored cable body 1 is extruded, the middle part compression-resistant plates 17 move downwards, the side part compression-resistant plates 28 deflect and support the compression-resistant bags 3, namely, as shown in fig. 14, the compression-resistant bags 3 are prevented from being completely extruded and damaged.
It should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to the directions or positions based on the directions or positions shown in the drawings, and are merely for convenience in describing the present invention, and are not intended to indicate or imply that the apparatus or element referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the protection of the present invention, standard parts used in the present invention may be purchased from the market, special parts may be customized according to the descriptions of the specification and the drawings, and the specific connection manners of the parts may be conventional manners in the prior art, such as bolts, rivets, welding, etc., and the mechanical, part and apparatus are conventional manners in the prior art, and the circuit connection is also conventional manners in the prior art, which are not further described herein.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and other modifications within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (2)

1. The utility model provides a ground lays with short circuit resistance to compression protection armoured cable, includes armoured cable body (1), protection strip (4), short circuit interface (5), butt joint groove (7), cushion (14), aerifys first (15), cable core (16), spring (18) and sealing washer (25), its characterized in that: the novel anti-compression device is characterized in that an inner concave buffer groove (2) for fixing an anti-compression bag (3) is formed in the middle of the upper end of the armored cable body (1), integrally formed protective strips (4) are vertically arranged at the top end of the anti-compression bag (3), a strip-shaped cushion block (14) is glued at the lower end of the armored cable body (1), an inflation head (15) communicated with the bottom of the anti-compression bag (3) penetrates through the bottom of the armored cable body (1), and a cable core (16) is penetrated in the armored cable body (1);
the two sides of one end face of the armored cable body (1) are provided with trapezoid short-circuit ports (5), telescopic parts (6) are arranged in the short-circuit ports (5), and the inner ends of the telescopic parts (6) and a linkage frame (12) in a telescopic groove (11) in the armored cable body (1) are integrally formed;
a spring (18) is arranged between the inner side of the linkage frame (12) and the telescopic groove (11), a wiring sleeve (8) for wiring is fixed in the middle of the linkage frame (12), the inner end of the wiring sleeve (8) penetrates through the middle of the linkage frame (12) and is connected with the cable core (16) through a connecting wire (13), and the wiring sleeve (8) is positioned in a butt joint groove (7) between 2 short-circuit ports (5);
both sides of the other end face of the armored cable body (1) are integrally formed with trapezoid poking parts (9) which are arranged corresponding to the short connecting ports (5), and binding posts (10) which are in butt joint with the wiring sleeves (8) are arranged in the middle of the end face of the armored cable body (1) between the poking parts (9);
the length of the wiring sleeve (8) is smaller than that of the telescopic part (6), the inner diameter of an opening at the outer end of the wiring sleeve (8) is the same as the outer diameter of the wiring post (10), and the height of the wiring post (10) is higher than that of the poking parts (9) at two sides of the wiring sleeve;
4 deflection grooves (19) are formed in the outer wall of the binding post (10) at equal intervals, annular guide openings (26) are formed in the tops, close to the outer ends of the binding post (10), of the deflection grooves (19), and sealing rings (25) capable of sliding up and down are arranged in the guide openings (26);
the inside of the deflection groove (19) is provided with a rotatable deflection mechanism (20), the deflection mechanism (20) is connected with the inner wall of the deflection groove (19) through a first support shaft (21), the outer end of the deflection mechanism (20) is provided with a pushing part (22), the lower part of the pushing part (22) is provided with a spring (18), the inner end of the deflection mechanism (20) is connected with a pushing part (24) through a first rotating shaft (23), and the top of the pushing part (24) is connected with an inner groove of the sealing ring (25);
the outer end of the pushing part (22) protrudes out of the outer surface of the binding post (10), the outer end surface of the sealing ring (25) is positioned in the guide opening (26), and the pushing part (24) is arranged in an arc shape.
2. A short-circuit pressure-resistant protective armoured cable for ground laying according to claim 1, characterized in that: the anti-compression bag is characterized in that an arc-shaped middle anti-compression plate (17) is arranged at the middle part of the inside of the anti-compression bag (3), two sides of the middle anti-compression plate (17) are rotatably connected with one end of a side anti-compression plate (28) through a second rotating shaft (27), and the side anti-compression plate (28) is connected with the inner wall of the buffer groove (2) through a second supporting shaft (29).
CN202210148023.1A 2022-02-17 2022-02-17 Short-circuit type compression-resistant protection armored cable for ground laying Active CN114446527B (en)

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CN208460440U (en) * 2018-05-25 2019-02-01 东莞市扬大电子科技有限公司 One kind having high pressure resistance wire rod
CN210111172U (en) * 2019-05-29 2020-02-21 镇江市沃通机械有限公司 SMA connector convenient for butt joint
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CN212624883U (en) * 2020-08-24 2021-02-26 陕西通达电缆制造有限公司 Scratch and abrasion resistant cable for heavy-duty car
CN214850423U (en) * 2021-07-16 2021-11-23 林英英 Electric power distribution box convenient to butt joint with cable
CN215681067U (en) * 2021-08-11 2022-01-28 苏州环亚环宇精密机械有限公司 Cable joint capable of improving sealing performance for ship

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