CN109449830B - Cable laying support - Google Patents
Cable laying support Download PDFInfo
- Publication number
- CN109449830B CN109449830B CN201811543026.5A CN201811543026A CN109449830B CN 109449830 B CN109449830 B CN 109449830B CN 201811543026 A CN201811543026 A CN 201811543026A CN 109449830 B CN109449830 B CN 109449830B
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- China
- Prior art keywords
- bracket
- cable
- adjusting
- rod
- clamping rings
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a cable laying support, which belongs to the technical field of power equipment and comprises a support, a sliding roller, a clamping ring, a pressing plate, a spring and an adjusting assembly. A support; the sliding roller is rotatably arranged on the bracket; the clamping rings are of U-shaped structures, the number of the clamping rings is two, the clamping rings are arranged on two sides of the sliding roller, the closed ends are positioned in the bracket, the free ends penetrate through the bracket, and the closed ends of the two clamping rings abut against the cable on the side surface of the sliding roller; the pressing plate is arranged on one side of the bracket and is connected with the free end of the clamping ring; the spring is sleeved at the free end of the clamping ring and is tightly pressed between the pressing plate and the bracket; the adjusting component is used for adjusting the distance between the pressure plate and the bracket. According to the cable laying support, a cable penetrates through the two clamping rings, the clamping rings on the two sides of the sliding roller are adjusted through the adjusting assembly, the cable is abutted to the outer surface of the sliding roller through the closed ends of the two clamping rings, the situations of damage of a cable sheath and cutting of a steel armor are avoided during cable laying, and the integrity of the cable is guaranteed.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a cable laying support.
Background
In urban distribution network power construction, construction power cable ground entering operations such as distribution network engineering, community matching and the like are required, and during cable laying, the conditions of turning corners, large fall between cable protective pipes and the like can occur in cable laying paths. When pulling cable, can cause the sheath damage of cable, the condition that the steel armour was drawn apart can appear even more, causes cable dielectric strength to reduce, and the cable is scrapped, has influenced construction progress and quality.
Disclosure of Invention
The invention aims to provide a cable laying support, and aims to solve the problems that during cable laying, due to a turning corner and cable protection pipe fall in a laying path, when a cable is pulled, a cable sheath is damaged, and even a steel armor is cut off.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a cable laying stand comprising:
a support;
the sliding roller is rotatably arranged on the bracket;
the clamping rings are U-shaped structures, the number of the clamping rings is two, the clamping rings are arranged on two sides of the sliding roller, the closed ends are located in the support, the free ends penetrate through the support, and cables are abutted to the side faces of the sliding roller by the closed ends of the two clamping rings;
the pressing plate is arranged on one side of the bracket and is connected with the free end of the clamping ring;
the spring is sleeved at the free end of the clamping ring and tightly pressed between the pressing plate and the bracket; and
and the adjusting assembly is used for adjusting the distance between the pressure plate and the bracket.
Further, the adjustment assembly includes:
one end of the adjusting rod is vertically fixed on one side of the bracket, and the other end of the adjusting rod penetrates through the pressing plate; and
the adjusting block is arranged at one end, penetrating out of the pressing plate, of the adjusting rod through threads and used for adjusting the position, located on the adjusting rod, of the pressing plate.
Further, the adjustment assembly further comprises:
and the stop block is fixedly arranged at one end of the adjusting rod, which is far away from the pressing plate.
Furthermore, a plurality of rolling balls used for matching with the sliding of the cable are embedded in the inner side of the closed end of the snap ring.
Further, the area of the cross section of the sliding roller from two sides to the middle is continuously reduced.
Further, the cable laying stand further comprises:
the number of the steering rods is multiple, and the steering rods are hinged with one another; and
the upper end of the connecting frame is connected with the support, and the lower end of the connecting frame is arranged on the steering rod through a detachable structure.
Further, the link frame includes:
the lower end of the connecting sleeve is arranged on the steering rod through a detachable structure;
the upper end of the connecting rod is connected with the bracket, and the lower end of the connecting rod penetrates through the connecting sleeve and can slide up and down along the connecting sleeve; and
and the locking bolt is arranged on the connecting sleeve and used for fixing the connecting rod in the connecting sleeve.
Further, the detachable structure includes:
the connecting block is fixedly arranged at the lower end of the connecting sleeve;
the mounting groove is formed in one side of the steering rod and used for mounting the connecting block; and
the abdicating groove is arranged on the upper end face of the steering rod, and the lower end of the abdicating groove is communicated with the mounting groove and used for accommodating the connecting sleeve.
Further, the detachable structure further includes:
and the positioning pin penetrates through the connecting block and the mounting groove and is used for fixing the connecting block in the mounting groove.
The cable laying bracket provided by the invention has the beneficial effects that: compared with the prior art, the cable laying support has the advantages that the cable penetrates through the two clamping rings, the clamping rings on the two sides of the sliding roller are adjusted through the adjusting assembly, the closed ends of the two clamping rings enable the cable to be abutted to the outer surface of the sliding roller, the cable is enabled to be in contact with the cambered surface of the closed end of the clamping ring and the cambered surface of the sliding roller all the time, the friction between the cable and a sharp part between a turning corner and a cable protection pipe is avoided when the cable is pulled, the damage to the sheath of the cable and the cutting-off of the steel armor are avoided when the cable is laid, and the integrity of the cable is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cable laying stand according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an upper half of a cable laying stand according to another embodiment of the present invention;
FIG. 3 is a side view of the structure of FIG. 2;
fig. 4 is a schematic structural view of a steering column of the cable laying stand according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the operation of the cable laying support according to the embodiment of the present invention when there is a drop in the protective pipe;
fig. 6 is a schematic diagram of the cable laying stand according to the embodiment of the present invention when the cable laying stand turns around a corner.
In the figure: 1. a support; 2. a sliding roller; 3. a snap ring; 4. pressing a plate; 5. a spring; 6. an adjustment assembly; 61. adjusting a rod; 62. an adjusting block; 63. a stopper; 7. rolling a ball; 8. a steering lever; 9. a connecting frame; 91. connecting sleeves; 92. a connecting rod; 93. locking the bolt; 10. a detachable structure; 101. connecting blocks; 102. mounting grooves; 103. a yielding groove; 104. and a positioning pin.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The cable laying stand provided by the present invention will now be described. Referring to fig. 1 to 3, the cable laying stand includes a stand 1, a sliding roller 2, a snap ring 3, a pressing plate 4, a spring 5 and an adjusting assembly 6.
A bracket 1; the sliding roller 2 is rotatably arranged on the bracket 1; the clamping rings 3 are U-shaped structures, the number of the clamping rings is two, the clamping rings are arranged on two sides of the sliding roller 2, the closed ends are positioned in the bracket 1, the free ends penetrate through the bracket 1, and the cables are abutted to the side faces of the sliding roller 2 by the closed ends of the two clamping rings 3; the pressing plate 4 is arranged on one side of the bracket 1 and is connected with the free end of the clamping ring 3; the spring 5 is sleeved at the free end of the clamping ring 3 and tightly pressed between the pressing plate 4 and the bracket 1; the adjusting assembly 6 is used for adjusting the distance between the pressure plate 4 and the bracket 1.
The clamping ring 3 is of a U-shaped structure and comprises two free ends and a closed end, and the closed end is of a circular arc structure. The quantity of snap ring 3 is two, and the symmetry is installed in the both sides of smooth roller 2, and four through-holes have been seted up respectively to four free ends that correspond two snap rings 3 on the bottom plate of support 1, and four free ends run through four through-holes respectively, and every snap ring 3 all can be through the distance between corresponding two through-holes regulation blind end and the bottom plate.
The pressing plate 4 is positioned on one side of the bottom plate of the bracket 1, which is far away from the sliding roller 2, four free ends of the clamping ring 3 penetrating out of the bottom plate of the bracket 1 are welded and fixed on the side surface of the pressing plate 4, as shown in figure 1, four springs 5 are arranged, and are sequentially sleeved on the four free ends respectively; as shown in fig. 2, the number of the springs 5 is one, and the springs are sleeved on four free ends.
Adjusting part 6 installs between clamp plate 4 and 1 bottom plate of support, adjust the distance of 1 blind end of support and 2 surfaces of smooth roller through adjusting part 6, with the cable that is suitable for different diameters, especially to softer cable, adopt adjusting part 6, can avoid, because of the condition that 5 elasticity of spring were located the part stretch bending of smooth roller 2 both sides with the cable, the cable runs through the blind end and the butt in the surface of smooth roller 2 of two snap rings 3, the cable contacts with the blind end cambered surface of snap ring 3 and the cambered surface of smooth roller 2.
Compared with the prior art, the cable laying support provided by the invention has the advantages that the cable penetrates through the two clamping rings 3, the clamping rings 3 on the two sides of the sliding roller 2 are adjusted through the adjusting assembly 6, the closed ends of the two clamping rings 3 abut against the outer surface of the sliding roller 2, so that the cable is always in contact with the cambered surface of the closed ends of the clamping rings 3 and the cambered surface of the sliding roller 2, the friction between the cable and a corner and a sharp part between cable protection pipes is avoided when the cable is pulled, the damage to the sheath of the cable and the cutting-off of steel armor are avoided when the cable is laid, and the integrity of the cable is ensured.
Referring to fig. 1 and 2, the adjusting assembly 6 includes an adjusting rod 61 and an adjusting block 62 according to an embodiment of the present invention.
One end of the adjusting rod 61 is vertically fixed on one side of the bracket 1, and the other end penetrates through the pressing plate 4; the adjusting block 62 is disposed at one end of the adjusting rod 61 penetrating through the pressing plate 4 through a thread, and is used for adjusting the position of the pressing plate 4 on the adjusting rod 61.
In this embodiment, adjust the one end welded fastening of pole 61 in the one side that smooth roller 2 was kept away from to 1 bottom plate of support, and the weld part is located the middle part of bottom plate, the other end of adjusting pole 61 is equipped with the external screw thread, the middle part of clamp plate 4 begins to have the through-hole, the one end that adjusts pole 61 is equipped with the external screw thread runs through this through-hole, the one end threaded connection who wears out the through-hole has regulating block 62, regulating block 62 is the disc, be equipped with anti-skidding line on the lateral wall, through rotating regulating block 62, make regulating block 62 remove along the length direction who adjusts pole 61, regulating block 62 extrusion clamp plate 4, adjust the distance between clamp plate 4 and the 1 bottom plate of support, thereby make clamp plate 4 drive snap ring 3 and remove, adjust the distance between 3 blind ends of.
Referring to fig. 1 and 2, the adjusting assembly 6 further includes a stopper 63 according to an embodiment of the present invention.
The stop 63 is fixedly arranged at one end of the adjusting rod 61 far away from the pressure plate 4.
In this embodiment, the stopper 63 can be welded and fixed on one end of the adjusting rod 61 far away from the pressing plate 4, the stopper 63 can also be connected on the adjusting rod 61 through threads, the stopper 63 is used for limiting the position of the adjusting block 62, when the adjusting block 62 is adjusted to one side of the stopper 63 through threads, the spring 5 is in a normal state, namely, the adjusting block is not compressed or stretched, the adjusting block 62 at this time is adjusted to one side far away from the bracket 1 again and loses significance, and the bottom connecting line of the closed ends of the two snap rings 3 at this time is located at the lower side of the outer surface of the sliding roller 2 and does not have a cable penetrating function any more, the stopper 63 can be used for limiting the movement of the adjusting block 62, thereby avoiding doing useless work, and preventing the adjusting block 62 from rotating along the adjusting rod 61 to one side far away from the bracket 1 and separating from the adjusting rod 61.
Referring to fig. 1 and 2, as an embodiment of the present invention, a plurality of balls 7 for sliding with a cable are embedded inside the closed end of the snap ring 3.
In this embodiment, a plurality of hemisphere chambeies have been seted up in proper order to the inboard of the blind end of snap ring 3, and the opening diameter of terminal surface slightly is less than the diameter of spin 7, and spin 7 accessible cold charge can place spin 7 in the liquid nitrogen, takes out to put into the hemisphere intracavity, treats that can the card establish at the hemisphere intracavity after the normal atmospheric temperature, and at the hemisphere intracavity internal rotation and not fall off, also can use external force to strike, pounces into the hemisphere intracavity with spin 7 diameter. The exposed part of the rolling ball 7 rotating in the hemispherical cavity is abutted against the surface of the cable so as to reduce the friction force between the cable and the closed end of the snap ring 3.
As an embodiment of the present invention, referring to fig. 1 to 3, the cross-sectional area of the sliding roller 2 decreases from the two sides to the middle.
In this embodiment, the edge of the vertical section of smooth roller 2 is the arc, and to the indent, and the cable is under the effect of 3 blind ends of snap ring, butt in the region of arc middle part indent to it is more stable when making cable laying, the reduction rocks.
Referring to fig. 1, 5 and 6, the cable laying stand according to an embodiment of the present invention further includes a steering rod 8 and a connecting frame 9.
The number of the steering rods 8 is multiple, and the steering rods 8 are hinged with each other; the upper end of the connecting frame 9 is connected with the bracket 1, and the lower end is arranged on the steering rod 8 through a detachable structure 10.
In this embodiment, steering column 8 is the pole that the cross section is the rectangle, and both ends are equipped with the connecting hole respectively, and through wearing to establish round pin axle in the connecting hole and making a plurality of steering columns 8 articulated each other, support 1 installs on steering column 8 through connecting rod 92, and connecting rod 92 all can dismantle with support 1 and steering column 8 and be connected. When the cable laying encounters a corner with a small radian or a drop of a protective pipe, the bracket 1 is not required to be arranged on the steering rod 8 and is arranged on one side of the corner or the protective pipe through the connecting rod 92. When cable laying met the turning of great radian, single support 1 can not make the cable walk around the turning smoothly, consequently, need use a plurality of supports 1, and support 1 is all installed to a plurality of steering bars 8, and a plurality of steering bars 8 are through hinge structure, the great turning of radian, and a plurality of supports 1 are worn to establish in proper order by the cable, forms the radian that matches with the turning, and the cable of being convenient for passes through smoothly.
Referring to fig. 1, the connection frame 9 includes a connection sleeve 91, a connection rod 92 and a locking bolt 93.
The lower end of the connecting sleeve 91 is arranged on the steering rod 8 through a detachable structure 10; the upper end of the connecting rod 92 is connected with the bracket 1, and the lower end thereof is arranged in the connecting sleeve 91 in a penetrating way and can slide up and down along the connecting sleeve 91; a locking bolt 93 is provided on the connection sleeve 91 for fixing the connection rod 92 in the connection sleeve 91.
In this embodiment, the connecting sleeve 91 is a hollow rectangular tube, the lower end is installed on the steering rod 8 through the detachable structure 10, a through hole with a diameter smaller than the width of the inner cavity is formed in the upper end, the connecting rod 92 penetrates through the through hole to be arranged in the connecting sleeve 91, the connecting sleeve 91 can slide up and down, the lower end of the connecting rod 92 is connected with a clamping block, the width of the clamping block is larger than the through hole, it is ensured that the connecting rod 92 slides along the connecting sleeve 91 and cannot be separated from the through hole, the locking bolt 93 horizontally arranged penetrates through the threads on the side wall of the upper portion of the connecting sleeve 91, the locking bolt 93 is located outside the connecting sleeve 91 and is provided with a nut, when the connecting rod 92 slides to a required height along the connecting sleeve 91, the nut is rotated to drive the locking bolt 93 to extend towards the inner side of the connecting sleeve 91 through the threads, the connecting rod 92 is abutted against the connecting rod, and the positioning of the connecting rod 92 is completed, and the connecting rod 92 is kept stable.
Referring to fig. 1 and 4, as an embodiment of the present invention, the detachable structure 10 includes a connection block 101, a mounting groove 102, and a relief groove 103.
The connecting block 101 is fixedly arranged at the lower end of the connecting sleeve 91; the mounting groove 102 is formed in one side of the steering rod 8 and used for mounting the connecting block 101; the avoiding groove 103 is arranged on the upper end surface of the steering rod 8, and the lower end of the avoiding groove is communicated with the mounting groove 102 and used for accommodating the connecting sleeve 91.
In this embodiment, the connecting block 101 is a rectangular block, and is perpendicular to the lower end of the connecting sleeve 91 and is welded and fixed, the mounting groove 102 is provided on one side of the steering rod 8, the height of the mounting groove is slightly greater than the thickness of the connecting block 101, the abdicating groove 103 is located at the upper end of the mounting groove 102, the abdicating groove 103 is communicated with the mounting groove 102, and the inner contour of the abdicating groove 103 is slightly greater than the outer contour of the connecting sleeve 91 and smaller than the outer contour of the connecting block 101. When the connecting frame 9 is required to be connected with the steering rod 8, the connecting block 101 of the connecting frame 9 can enter the mounting groove 102 through one side of the steering rod 8, and the connecting sleeve 91 is clamped in the accommodating groove 102, so that the connecting frame 9 is clamped on the steering rod 8. When the steering rod 8 is not required to be connected, the connecting frame 9 can slide out from one side of the mounting groove 102 of the steering rod 8, and the dismounting is convenient. Meanwhile, a plurality of the abdicating grooves 103 are arranged along the length direction of the steering rod 8, and a plurality of connecting frames 9 can be installed at the same time.
Referring to fig. 1, the detachable structure 10 further includes a positioning pin 104 according to an embodiment of the present invention.
The positioning pin 104 penetrates the connection block 101 and the mounting groove 102, and is used for fixing the connection block 101 in the mounting groove 102.
In this embodiment, the through-hole has been seted up to one side of groove 103 of stepping down, the blind hole has been seted up to the position that the bottom surface of mounting groove 102 corresponds, the through-hole has been seted up equally to connecting block 101 and the position that mounting groove 102 corresponds, when connecting block 101 is installed in mounting groove 102, two through-holes and a blind hole are coaxial setting, locating pin 104 top-down runs through two through-holes in proper order and wears to locate in the blind hole, be fixed in connecting block 101 in mounting groove 102, thereby accomplish the fixed of link 9 and steering column 8, also can set up the through-hole simultaneously in the both sides of groove 103 of stepping down, two blind holes are seted up to the lower terminal surface that corresponds at mounting groove 102, set up two through-holes on connecting block 101, at this moment, a set of link 9 uses two locating pins 104 to fix a position, further guaranteed the stability between link 9 and the steering column 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. Cable laying stand, its characterized in that includes:
a support;
the sliding roller is rotatably arranged on the bracket;
the clamping rings are U-shaped structures, the number of the clamping rings is two, the clamping rings are arranged on two sides of the sliding roller, the closed ends are located in the support, the free ends penetrate through the support, and cables are abutted to the side faces of the sliding roller by the closed ends of the two clamping rings;
the pressing plate is arranged on one side of the bracket and is connected with the free end of the clamping ring;
the spring is sleeved at the free end of the clamping ring and tightly pressed between the pressing plate and the bracket;
the adjusting assembly is used for adjusting the distance between the pressure plate and the bracket;
the adjustment assembly includes:
one end of the adjusting rod is vertically fixed on one side of the bracket, and the other end of the adjusting rod penetrates through the pressing plate; and
the adjusting block is arranged at one end, penetrating out of the pressure plate, of the adjusting rod through threads and is used for adjusting the position of the pressure plate on the adjusting rod;
the stop block is fixedly arranged at one end of the adjusting rod, which is far away from the pressure plate;
the cable laying stand further includes:
the number of the steering rods is multiple, and the steering rods are hinged with one another; and
the upper end of the connecting frame is connected with the bracket, and the lower end of the connecting frame is arranged on the steering rod through a detachable structure;
the link includes:
the lower end of the connecting sleeve is arranged on the steering rod through a detachable structure;
the upper end of the connecting rod is connected with the bracket, and the lower end of the connecting rod penetrates through the connecting sleeve and can slide up and down along the connecting sleeve; and
the locking bolt is arranged on the connecting sleeve and used for fixing the connecting rod in the connecting sleeve;
the detachable structure includes:
the connecting block is fixedly arranged at the lower end of the connecting sleeve;
the mounting groove is formed in one side of the steering rod and used for mounting the connecting block; and
the abdicating groove is arranged on the upper end surface of the steering rod, the lower end of the abdicating groove is communicated with the mounting groove, and the abdicating groove is used for accommodating the connecting sleeve;
the detachable structure further includes:
and the positioning pin penetrates through the connecting block and the mounting groove and is used for fixing the connecting block in the mounting groove.
2. A cabling rack according to claim 1, wherein a plurality of balls are received inside the closed end of the collar for sliding engagement with the cable.
3. A cabling rack according to claim 1, wherein the rollers have a cross-sectional area which decreases from side to side towards the centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543026.5A CN109449830B (en) | 2018-12-17 | 2018-12-17 | Cable laying support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543026.5A CN109449830B (en) | 2018-12-17 | 2018-12-17 | Cable laying support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449830A CN109449830A (en) | 2019-03-08 |
| CN109449830B true CN109449830B (en) | 2021-09-21 |
Family
ID=65559373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543026.5A Expired - Fee Related CN109449830B (en) | 2018-12-17 | 2018-12-17 | Cable laying support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449830B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241697B (en) * | 2021-06-25 | 2022-08-23 | 江苏宏鹏电气科技有限公司 | Intensive bus duct shell structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206742747U (en) * | 2017-04-25 | 2017-12-12 | 张家港市骏马钢帘线有限公司 | A kind of cable guide device |
| CN206770787U (en) * | 2017-06-02 | 2017-12-19 | 中国十五冶金建设集团有限公司 | A kind of rolling support of pipe network internal pipeline installation |
| CN207021606U (en) * | 2017-07-15 | 2018-02-16 | 贵溪通程劳务有限公司 | A kind of electrician's pipe clamp for being easy to clamp |
| CN207312931U (en) * | 2017-10-27 | 2018-05-04 | 天津市天大远洋科技股份有限公司 | A kind of rope cramp for quick lifting high tower stuffing |
| CN207339163U (en) * | 2017-11-08 | 2018-05-08 | 栗文浩 | Cable stringer is used in a kind of electromechanical installation |
| CN207603095U (en) * | 2017-12-20 | 2018-07-10 | 广东省输变电工程有限公司 | A kind of self-reacting device suitable for directly laying high-tension cable on stent |
| CN108533839A (en) * | 2018-04-19 | 2018-09-14 | 王志强 | A kind of steel wire mesh frame pipe steel wire winding tube body fixing device |
| CN108767749A (en) * | 2018-09-04 | 2018-11-06 | 广东电网有限责任公司 | Control cable support and control cable laying system |
-
2018
- 2018-12-17 CN CN201811543026.5A patent/CN109449830B/en not_active Expired - Fee Related
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| CN109449830A (en) | 2019-03-08 |
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Granted publication date: 20210921 Termination date: 20211217 |
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