CN107453310A - A kind of board-like street code line folder of double fastener - Google Patents
A kind of board-like street code line folder of double fastener Download PDFInfo
- Publication number
- CN107453310A CN107453310A CN201710863575.XA CN201710863575A CN107453310A CN 107453310 A CN107453310 A CN 107453310A CN 201710863575 A CN201710863575 A CN 201710863575A CN 107453310 A CN107453310 A CN 107453310A
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- CN
- China
- Prior art keywords
- clamping plate
- locking
- street code
- street
- cable
- Prior art date
- 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.)
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Classifications
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Installation Of Indoor Wiring (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to the installing area of cable, specifically a kind of board-like street code line folder of double fastener, including two clamping plates being oppositely arranged and at least two locking members, two clamping plates are respectively first clamping plate and second clamping plate, the both ends of at least two locking members connect two opposite faces of first clamping plate and second clamping plate respectively, wherein at least the connected mode of one end is to be flexibly connected by retaining mechanism, during use, first clamping plate and second clamping plate are separately positioned on the both sides of street code insulator, the distance between first clamping plate and second clamping plate can be adjusted by adjusting the retaining mechanism, so that cable is pressed on the code insulator of street by first clamping plate and/or second clamping plate.On the basis of Traditional Street code support and street code insulator is retained, pressed from both sides using street code line of the present invention and cable is fixed on the code insulator of street, so as to the replacement mode of binding winding binding cable, easy damaged cable sheath, fixed cable do not consolidate difficult for drop-off.
Description
Technical field
The present invention relates to the installing area of cable, specifically a kind of board-like street code line folder of double fastener.
Background technology
When setting up cable, fixed cable is typically stretched by street code, as shown in figure 1, Traditional Street code is by that can install
Street code support on metope or electric pole and the street code insulator composition for supporting cable are general tight when cable crosses the street code
Street code insulator, then the mode wound with binding are pasted by cable and street code insulator bundled fixed, this mode efficiency is low, and
Binding mode and binding elasticity are not all sought unity of standard, random big, easily cause solidus loosely, use for a long time can loosen
Even release, the metal wire such as binding generally use aluminum steel, be directly wound on cable sheath, cable sheath can be caused to damage
Wound, easily causes the even danger such as leak electricity short-circuit of cable overheat, and electric leakage directly to be contacted with metal wire hidden for insulated cable
Suffer from.
Though there is technology to be improved for traditional cable fixed form, cable is fixed using various solidus mechanisms,
But it is required for whole Traditional Street code to be changed substantially, the erection of Most current low-voltage cable all uses biography recited above
System street code, significant wastage can be caused by changing all Traditional Street codes, with high costs, so certainly will be difficult to promote, practicality is not high, and
And there is structure is more complicated, and installing/dismounting is inconvenient, and manufacture maintenance cost is high, and arrangement cable is dumb etc. in most of solidus mechanism
Defect, particularly when cable need on the code of street bend turn to when, cable fix it is not firm, to cable laying and safeguard band
Carry out greatly inconvenience.
The content of the invention
The task of the present invention is to provide a kind of board-like street code line folder of double fastener, and the board-like street code line folder of the double fastener can consolidate cable
It is scheduled on Traditional Street code, so as to the replacement mode of binding winding binding cable, easy to operate, easy damaged cable sheath, is not protected
The street code support and street code insulator in Traditional Street code have been stayed, and has operated and flexibly, is adapted in narrow space use, clamping electricity
Cable consolidates difficult for drop-off, and cable arrangements are flexible, cable street code cathetus by or bending steering can be fixedly secured
On the code of street.
The present invention is realized by following technical proposals：
A kind of board-like street code line folder of double fastener, including two clamping plates being oppositely arranged and for connecting two clamping plates at least
Two locking members, two clamping plates are respectively first clamping plate and second clamping plate, and the both ends of at least two locking members connect respectively
Two opposite faces of first clamping plate and second clamping plate, the wherein at least connected mode of one end are to pass through retaining mechanism carry out activity company
Connect, in use, first clamping plate and second clamping plate are separately positioned on the both sides of street code insulator, first clamping plate and/or second clamping plate
Coordinate annular groove in the middle part of the code insulator of street to be formed and cross line cavity for clamp cable, at least two locking members are respectively positioned at clamped
The both sides of cable, the distance between first clamping plate and second clamping plate can be adjusted by adjusting the retaining mechanism, so that the
Cable is pressed on the code insulator of street by one clamping plate and/or second clamping plate.
It is preferred that the retaining mechanism is threaded connection, the threaded connection is：The locking member is provided with outer
Screw thread, the first clamping plate and/or second clamping plate are provided with the screw being engaged with the external screw thread of locking member.
It is preferred that the retaining mechanism is non-return self-locking mechanism, the structure of the inversion-stopping self-locking mechanism is：On the locking member
Provided with continuously arranged some non-return teeth, the first clamping plate and/or second clamping plate are provided with the self-locking hole for locking member insertion,
Self-locking hole side is provided with fluting, and the latch segment of activity is provided with fluting, and fluting is provided with cover plate, close locking member on latch segment
Side is provided with the locking teeth for coordinating the non-return tooth, and the side that locking member is deviated from latch segment abuts self-locking spring, passes through locking
Non-return tooth on part and the locking teeth on second clamping plate self-locking hole internal locking block, self-locking spring are engaged, and form inversion-stopping self-locking machine
Structure.
It is preferred that the board-like street code line folder of double fastener also includes that first clamping plate and/or second clamping plate can be removably mounted at
On pressure block, in use, the side of the pressure block abuts the street code insulator, opposite side abuts first clamping plate or second
Clamping plate.
It is preferred that it is used to coordinate annular groove clamping electricity in the middle part of the street code insulator in the first clamping plate and/or second clamping plate
The surface of cable is the concave inward structure of insulation.
It is preferred that two sides of the first clamping plate and second clamping plate, which are respectively equipped with, can coordinate the end ring of street code insulator two
Four ends angle of the arc edge of groove, first clamping plate and second clamping plate is respectively equipped with the spacing preiection that can prevent that cable from slipping,
The both ends of at least one pair of locking member connect corresponding two diagonal spacing preiections in first clamping plate and second clamping plate respectively.
It is preferred that the arcs of recesses that the middle part of the first clamping plate is provided with annular groove periphery is engaged in the middle part of the street code insulator
Structure, in use, the arcs of recesses structure in the middle part of first clamping plate is close to decode annular groove in the middle part of the code insulator of street, second clamping plate and street code
Cooperatively formed between insulator it is described cross line cavity, the both ends of first clamping plate and second clamping plate are diagonally connected by the locking member
Connect.
It is preferred that one end of at least one locking member is provided with non-circular hanging block, the corresponding first clamping plate or second
Clamping plate is provided with the through hole being engaged with the hanging block, and position-limited rack is additionally provided with the through hole, is provided with and is used in the position-limited rack
Hanging block is pressed on to the preloading spring of through hole end, in use, the hanging block pierces into through hole and compresses the preloading spring, waits to hang
Block rotates to an angle after passing through through hole and hanging block is staggered with through hole, and hanging block compresses hanging block in the case where the elastic force of preloading spring acts on
In through hole end, i.e., locking member can be made to be articulated in first clamping plate or second clamping plate.
A kind of beneficial effect of the board-like street code line folder of double fastener of the present invention is：Retaining Traditional Street code support and street code insulator
On the basis of, pressed from both sides using street code line of the present invention and cable is fixed on the code insulator of street, so as to which replacement winds binding electricity with binding
The mode of cable, easy damaged cable sheath, fixed cable do not consolidate difficult for drop-off.
Design, concrete structure and the caused effect of the present invention are described further below with reference to accompanying drawing, with abundant
Ground understands the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the structural representation of Traditional Street code；
The structural representation of Tu2Shi streets code insulator
Fig. 3 is a kind of structural representation of the board-like street code line folder of double fastener in embodiment 1；
Fig. 4 is a kind of use state reference chart of the board-like street code line folder of double fastener in embodiment 1；
Fig. 5 is a kind of structural representation of the board-like street code line folder of double fastener in embodiment 2；
Fig. 6 is a kind of use state reference chart of the board-like street code line folder of double fastener in embodiment 2；
Fig. 7 is a kind of structural representation of the board-like street code line folder of double fastener in embodiment 3；
Fig. 8 is a kind of use state reference chart of the board-like street code line folder of double fastener in embodiment 3；
Fig. 9 is a kind of structural representation of the board-like street code line folder of double fastener in embodiment 4；
Figure 10 is Fig. 9 decomposition texture schematic diagram；
Figure 11 is a kind of use state reference chart of the board-like street code line folder of double fastener in embodiment 4；
Wherein：1- first clamping plates, 11- arc edges, 12- spacing preiections, 13- arcs of recesses structures, 2- second clamping plates, 21-
Self-locking hole, 211- latch segments, 2111- locking teeths, 212- self-locking springs, 213- cover plates, 22- through holes, 23- position-limited racks, 24- pretensions
Spring, 31,32,36- tie down screws, 33,34- self-lock rods, the non-return teeth of 331-, 35- pegs, 351- hanging blocks, 37- protective covers, 4-
Pressure block, 5- cross line cavity, 6- streets code insulator, 61- both ends annular groove, 62- middle parts annular groove, 7- cables.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining the present invention herein, and
It is not used in the restriction present invention.
Embodiment 1：
As shown in Figure 3,4, a kind of double fastener board-like street code line folder, including two clamping plates being oppositely arranged and for connecting two
Two tie down screws 31,32 (i.e. locking member) of individual clamping plate, two clamping plates are respectively first clamping plate 1 and second clamping plate 2, and first presss from both sides
Plate 1 and second clamping plate 2 are used to coordinate the surface of the middle part annular groove 62 of street code insulator 6 clamping cable to be the concave inward structure to insulate, the
Two sides of one clamping plate 1 and second clamping plate 2 are respectively equipped with the arc edge that can coordinate the both ends annular groove 61 of street code insulator 6
11, four ends angle of first clamping plate 1 and second clamping plate 2 is respectively equipped with the spacing preiection 12 that can prevent that cable from slipping, the first folder
Two diagonal spacing preiections 12 on plate 1 are provided with screw, and corresponding two spacing preiections 12 are provided with light in second clamping plate 2
Hole, one end of two tie down screws 31,32 are each passed through two unthreaded holes of second clamping plate 2 and hung over above by bolt head, separately
One end is threadedly coupled (i.e. retaining mechanism) therewith through two screws in first clamping plate 1, and the side of first clamping plate 2 is additionally provided with use
Protective cover 37 in protection locking member end.The design is quick and easy for installation, is easy in narrow space use.
In use, first clamping plate 1 and second clamping plate 2 are separately positioned on the both sides of street code insulator 6, first clamping plate 1 and
Second splint 2 coordinate street code insulator 6 middle part annular groove 62 formed two be used to clamping cable 7 cross line cavity 5, two are crossed line cavity
A cable is each passed through in 5, two tie down screws 31,32 are respectively positioned at the both sides of clamped cable, by rotating thread bush
Cylinder 4 can adjust the distance between first clamping plate 1 and second clamping plate 2, so that first clamping plate 1 and second clamping plate 2 coordinate two
Root cable is pressed on street code insulator 6 simultaneously.
Embodiment 2：
As shown in Figure 5,6, on the basis of the technical scheme of embodiment 1, following improvement has been carried out：
The retaining mechanism is non-return self-locking mechanism, and the structure of the inversion-stopping self-locking mechanism is：The locking member is two
Self-lock rod 33,34, one end and the first clamping plate 1 of self-lock rod are solidified as a whole, and the other end is corresponding through setting in second clamping plate 2
Self-locking hole 21, self-lock rod are provided with continuously arranged some non-return teeth 331, and the side of self-locking hole 21 is provided with fluting, is provided with fluting
The latch segment 211 of activity, fluting are provided with cover plate 213, and it is described non-return close to the side of locking member to be provided with cooperation on latch segment 211
The locking teeth 2111 of tooth 331, abut self-locking spring 212 away from the side of locking member on latch segment 211, pass through on self-lock rod only
Inverted teeth 331 and locking teeth 2111 on the internal locking block 211 of 2 self-locking hole of second clamping plate 21, self-locking spring 212 are engaged, and formation stops
Inverse self-locking mechanism, after self-lock rod inserts self-locking hole 21, the block 211 that is just locked pins, and can only advance, it is impossible to retreats, simple operation.
Pressure block 4 is also detachably installed in first clamping plate 1 or second clamping plate 2, in use, the side of pressure block 4 abuts
Street code insulator 6, opposite side, which abuts first clamping plate 1 or second clamping plate 4, pressure block 4, can increase first clamping plate 1 or second clamping plate
4 bearing capacity, prevent compressive deformation and damage.
Embodiment 3：
As shown in Figure 7,8, on the basis of the technical scheme of embodiment 1, the structure of first clamping plate 1 as follows change
Enter：
The middle part of first clamping plate 1 is provided with the arcs of recesses structure 13 being engaged with the periphery of street 6 middle part annular groove of code insulator 62, makes
Used time, the arcs of recesses structure 13 at the middle part of first clamping plate 1 are close to decode the middle part annular groove 62 of street code insulator 6, second clamping plate 2 and street code
Clamping cable 7 is cooperatively formed between insulator 6 crosses line cavity 5, and the both ends of first clamping plate 1 and second clamping plate 2 diagonally lead to
Cross tie down screw connection.The benefit of the design is to be designed by the arcs of recesses structure 13 at the middle part of first clamping plate 1, can make first
The both ends of clamping plate 1 and the both ends of second clamping plate 2 are closer to the distance, and then the size of tie down screw can also be smaller, and this design is significantly
The space that street code line folder takes is reduced, is adapted to use in narrow space.
Embodiment 4：
As shown in figs. 9-11, on the basis of the technical scheme of embodiment 1, retaining mechanism is improved as follows：
Two locking members, one of them is tie down screw 36, and another is peg 35, and one end of peg 35 is provided with non-circular
Hanging block 351, the corresponding second clamping plate 2 are provided with the through hole 22 being engaged with the hanging block 351, also set on the through hole 22
Limited location frame 23, the position-limited rack 23 is interior to be provided with the preloading spring 24 for being used for that hanging block 351 to be pressed on to the end of through hole 22, uses
When, the hanging block 351 pierces into through hole 22 and compresses the preloading spring 24, rotates certain angle after hanging block 351 passes through through hole 22
Degree makes hanging block 351 stagger with through hole 22, and hanging block 351 is pressed on through hole 22 by hanging block 351 under the elastic force effect of preloading spring 24
End, i.e., one end of peg 35 can be made to be articulated in second clamping plate 2, one end corresponding to tie down screw 36 is solid with second clamping plate 2
It is integrated, the other end of peg 35 and tie down screw 36 is threadedly coupled with first clamping plate 1.Peg 35 is easy to loading and unloading in operation,
It can prevent peg 35 from releasing by preloading spring 24, and operating personnel can be helped to judge whether peg 35 is installed when mounted
In place.
Pressure block 4 is also detachably installed in first clamping plate 1 or second clamping plate 2, in use, the side of pressure block 4 abuts
Street code insulator 6, opposite side, which abuts first clamping plate 1 or second clamping plate 4, pressure block 4, can increase first clamping plate 1 or second clamping plate
4 bearing capacity, prevent compressive deformation and damage.
Presently preferred embodiments of the present invention is given in accompanying drawing.But the present invention can realize in many different forms,
It is not limited to the embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to disclosure of the invention
The understanding of content more thorough and comprehensive.
Claims (8)
1. a kind of board-like street code line folder of double fastener, it is characterised in that including two clamping plates being oppositely arranged and for connecting two
At least two locking members of clamping plate, two clamping plates are respectively first clamping plate and second clamping plate, and the two of at least two locking members
End connects two opposite faces of first clamping plate and second clamping plate respectively, and the wherein at least connected mode of one end is to pass through retaining mechanism
Be flexibly connected, in use, first clamping plate and second clamping plate are separately positioned on the both sides of street code insulator, first clamping plate and/
Or second clamping plate coordinates street code insulator middle part annular groove to form the line cavity excessively for clamping cable, at least two locking members difference
Positioned at the both sides of clamped cable, by adjust the retaining mechanism can adjust between first clamping plate and second clamping plate away from
From so that cable is pressed on the code insulator of street by first clamping plate and/or second clamping plate.
2. the board-like street code line folder of double fastener according to claim 1, it is characterised in that the retaining mechanism is threaded connection machine
Structure, the threaded connection are：The locking member is provided with external screw thread, and the first clamping plate and/or second clamping plate are provided with
The screw being engaged with the external screw thread of locking member.
3. the board-like street code line folder of double fastener according to claim 1, it is characterised in that the retaining mechanism is inversion-stopping self-locking machine
Structure, the structure of the inversion-stopping self-locking mechanism are：The locking member is provided with continuously arranged some non-return teeth, the first clamping plate
And/or second clamping plate is provided with the self-locking hole for locking member insertion, self-locking hole side is provided with fluting, and the lock of activity is provided with fluting
Tight block, fluting are provided with cover plate, the locking teeth for coordinating the non-return tooth, latch segment are provided with close to the side of locking member on latch segment
It is upper to abut self-locking spring away from the side of locking member, by the non-return tooth on locking member and second clamping plate self-locking hole internal locking block
Locking teeth, self-locking spring be engaged, form inversion-stopping self-locking mechanism.
4. the board-like street code line folder of double fastener according to claim 1, it is characterised in that the board-like street code line folder of double fastener also wraps
The pressure block that can be removably mounted in first clamping plate and/or second clamping plate is included, in use, the side of the pressure block abuts
The street code insulator, opposite side abut first clamping plate or second clamping plate.
5. the board-like street code line folder of double fastener according to claim 1, it is characterised in that the first clamping plate and/or the second folder
It is used to coordinate the surface of annular groove clamping cable in the middle part of the street code insulator on plate for the concave inward structure of insulation.
6. pressed from both sides according to any board-like street code lines of described double fastener of claim 1-5, it is characterised in that the first clamping plate and second
Two sides of clamping plate are respectively equipped with the arc edge that can coordinate street code insulator both ends annular groove, first clamping plate and second clamping plate
Four end angle be respectively equipped with can prevent cable slip spacing preiection, the both ends of at least one pair of locking member connect respectively
Corresponding two diagonal spacing preiections in first clamping plate and second clamping plate.
7. pressed from both sides according to any board-like street code lines of described double fastener of claim 1-5, it is characterised in that the middle part of the first clamping plate
Provided with the arcs of recesses structure being engaged with street code insulator middle part annular groove periphery, in use, the concave arc in the middle part of first clamping plate
Shape structure is close to decode annular groove in the middle part of the code insulator of street, and it is empty that the line excessively is cooperatively formed between second clamping plate and street code insulator
The both ends of chamber, first clamping plate and second clamping plate are diagonally connected by the locking member.
8. pressed from both sides according to any board-like street code lines of described double fastener of claim 1-5, it is characterised in that at least one locking member
One end be provided with non-circular hanging block, the corresponding first clamping plate or second clamping plate be provided be engaged with the hanging block it is logical
Hole, position-limited rack is additionally provided with the through hole, the preloading spring for being used for that hanging block to be pressed on to through hole end is provided with the position-limited rack,
In use, the hanging block pierces into through hole and compresses the preloading spring, being rotated to an angle after hanging block passes through through hole makes hanging block
Stagger with through hole, hanging block is pressed on through hole end by hanging block under the elastic force effect of preloading spring, i.e., can mount locking member
In first clamping plate or second clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710863575.XA CN107453310A (en) | 2017-09-22 | 2017-09-22 | A kind of board-like street code line folder of double fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710863575.XA CN107453310A (en) | 2017-09-22 | 2017-09-22 | A kind of board-like street code line folder of double fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107453310A true CN107453310A (en) | 2017-12-08 |
Family
ID=60497172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710863575.XA Pending CN107453310A (en) | 2017-09-22 | 2017-09-22 | A kind of board-like street code line folder of double fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453310A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879501A (en) * | 2018-07-02 | 2018-11-23 | 江苏迈道通信科技有限公司 | A kind of adjustable wire clamp positioning device |
| CN109066550A (en) * | 2018-08-16 | 2018-12-21 | 广东电网有限责任公司 | A kind of cable securing mechanism and cable installation system |
| CN110401162A (en) * | 2019-08-12 | 2019-11-01 | 江苏利宏原电力科技有限公司 | A kind of high-voltage line code line folder |
| CN112436470A (en) * | 2020-11-13 | 2021-03-02 | 江西泉新电气有限公司 | Cable street sign indicating number |
| CN114498444A (en) * | 2022-03-31 | 2022-05-13 | 鲁特电工股份有限公司 | High altitude cable installation mechanism with pretension function |
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| JPH11111088A (en) * | 1997-10-06 | 1999-04-23 | Asahi Electric Works Ltd | Pin insulator |
| CN106936105A (en) * | 2017-03-24 | 2017-07-07 | 广东新电电力科技有限公司 | A kind of hung and buckled wire clamp |
| CN106972414A (en) * | 2017-03-24 | 2017-07-21 | 广东新电电力科技有限公司 | A kind of Contiuum type wire clamp |
| CN207381926U (en) * | 2017-09-22 | 2018-05-18 | 广州番禺电缆集团有限公司 | The board-like street code line folder of double fastener |
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2017
- 2017-09-22 CN CN201710863575.XA patent/CN107453310A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11111088A (en) * | 1997-10-06 | 1999-04-23 | Asahi Electric Works Ltd | Pin insulator |
| CN106936105A (en) * | 2017-03-24 | 2017-07-07 | 广东新电电力科技有限公司 | A kind of hung and buckled wire clamp |
| CN106972414A (en) * | 2017-03-24 | 2017-07-21 | 广东新电电力科技有限公司 | A kind of Contiuum type wire clamp |
| CN207381926U (en) * | 2017-09-22 | 2018-05-18 | 广州番禺电缆集团有限公司 | The board-like street code line folder of double fastener |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879501A (en) * | 2018-07-02 | 2018-11-23 | 江苏迈道通信科技有限公司 | A kind of adjustable wire clamp positioning device |
| CN108879501B (en) * | 2018-07-02 | 2023-12-08 | 江苏迈道通信科技有限公司 | Adjustable fastener positioner |
| CN109066550A (en) * | 2018-08-16 | 2018-12-21 | 广东电网有限责任公司 | A kind of cable securing mechanism and cable installation system |
| CN109066550B (en) * | 2018-08-16 | 2024-05-03 | 广东电网有限责任公司 | Cable fixing mechanism and cable installation system |
| CN110401162A (en) * | 2019-08-12 | 2019-11-01 | 江苏利宏原电力科技有限公司 | A kind of high-voltage line code line folder |
| CN110401162B (en) * | 2019-08-12 | 2024-03-12 | 江苏利宏原电力科技有限公司 | High-voltage wire code wire clamp |
| CN112436470A (en) * | 2020-11-13 | 2021-03-02 | 江西泉新电气有限公司 | Cable street sign indicating number |
| CN114498444A (en) * | 2022-03-31 | 2022-05-13 | 鲁特电工股份有限公司 | High altitude cable installation mechanism with pretension function |
| CN114498444B (en) * | 2022-03-31 | 2022-07-01 | 鲁特电工股份有限公司 | High altitude cable installation mechanism with pretension function |
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