CN107313713A - A kind of power cable device - Google Patents
A kind of power cable device Download PDFInfo
- Publication number
- CN107313713A CN107313713A CN201710738027.4A CN201710738027A CN107313713A CN 107313713 A CN107313713 A CN 107313713A CN 201710738027 A CN201710738027 A CN 201710738027A CN 107313713 A CN107313713 A CN 107313713A
- Authority
- CN
- China
- Prior art keywords
- turn trough
- slide
- block
- rotating shaft
- installation cavity
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 230000009194 climbing Effects 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 10
- 230000007306 turnover Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of power cable device, including supportting line bar and being fixedly mounted on the mounting bracket on support line bar top, zygomorphism, which is provided with, at the top of mounting bracket is used for the rich reel for setting cable, support line bar bottom integral type and be provided with base, multigroup installation cavity is provided with support line bar front end face, bottom is rotatably mounted with pedal by first rotating shaft in installation cavity, slotting chamber is provided with pedal upper surface, insert chamber left end and be provided with locking slot, insert in the face of bottom of chamber and be installed with magnetic stripe, first turn trough bottom is provided with the second turn trough, the adjustment tank led to installation cavity is provided with first turn trough, the second rotating shaft is rotatably mounted with first turn trough, it is located in second rotating shaft in adjustment tank and is provided with external spiral line section, the adjustment block for being provided with and coordinating with external spiral line section is slided in adjustment tank up and down, adjustment block front end is fixedly installed the jacking block put in installation cavity, jacking block outboard end is fixedly installed the check lock lever coordinated with locking slot.
Description
Technical field
The present invention relates to power domain, specifically a kind of power cable device.
Background technology
Cable is the important carrier of power transmission, and electric pole is often used in the erection process of cable as erection base
Body, for convenience in the future to the repair and maintenance to cable, it is existing in there is the more method using welding to install additional on utility poles to step on
Plate is to climb, but these pedals are often by the climbing of some unrelated persons, and general unrelated person is all without with guarantor
Facility is protected, therefore, accident easily occurs in climbing, and maintainer can carry safety belt, but this safety belt in climbing
Security is not enough, far from enough to the protection of maintainer when occurring unexpected.
The content of the invention
For the deficiency of above-mentioned technology, the present invention proposes a kind of power cable device.
A kind of power cable device of the present invention, including support line bar and the mounting bracket for being fixedly mounted on support line bar top,
Zygomorphism, which is provided with, at the top of the mounting bracket is used for the rich reel for setting cable, and the support line bar bottom integral type is provided with base,
Bottom in multigroup installation cavity, the installation cavity is provided with the support line bar front end face to be rotatably mounted with by first rotating shaft
Slotting chamber is provided with pedal, the pedal upper surface, the slotting chamber left end is provided with locking slot, the slotting bottom of chamber face solid
Dingan County is equipped with the first turn trough extended up and down and zygomorphism setting are provided with magnetic stripe, the support line bar and is extended up and down
Slide slot, the slide slot rear end is provided with the tooth form bar extended up and down, and the first turn trough bottom is provided with the second turn trough, institute
State in the adjustment tank for being provided with and leading to the installation cavity in the first turn trough, first turn trough and be rotatably mounted with second turn
It is located in the adjustment tank to be provided with to slide up and down in external spiral line section, the adjustment tank in axle, second rotating shaft and is provided with
The adjustment block coordinated with external spiral line section, the adjustment block front end is fixedly installed the jacking block put in the installation cavity,
The jacking block outboard end is fixedly installed the check lock lever coordinated with the locking slot, and the check lock lever afterbody is provided with and the magnetic
The second toothed wheel being fixedly connected with second rotating shaft is installed in the iron core that bar coordinates, second turn trough, it is described to slide
It is also equipped with sliding block in groove.
It is provided with further technical scheme, the second turn trough front bulkhead on the outside of the 3rd turn trough, the 3rd turn trough
End is provided with shrinkage pool, the 3rd turn trough and is rotatably mounted with the 3rd rotating shaft, be provided with second turn trough with it is described
It is provided with and institute in the first toothed wheel that is that 3rd rotating shaft is fixedly connected and being connected with second toothed wheel, the shrinkage pool
That states that the 3rd rotating shaft is fixedly connected screws head.
Further technical scheme, described slide is provided with slide chamber of the port towards the tooth form bar, the cunning in block
Slided in an actor's rendering of an operatic tune and latch segment is installed, the end face of the latch segment towards the tooth form bar is provided with to be engaged with the tooth form bar
Locking teeth, it is described slide chamber left end wall and be installed with ground extension spring is abutted with the latch segment, the extension spring will be to will be described
Latch segment backward top pressure and coordinate the locking teeth and the tooth form bar, be provided with the outside of the slide slot in end wall lead to it is outer
The first of end leads to groove, and described slide is provided with lead to that groove leads to described first second and leads to groove in end wall on the outside of chamber, institute
State and slide block end face outside and be fixedly installed the first set casing for leading to groove and outwards extending described in break-through, on the outside of the latch segment
End, which is fixedly installed, to be put in described second and leads to fixed block in groove, and described first leads to slide in groove and be provided with and the fixation
What block outboard end was fixedly connected slides shell, and the shell that slides outwards extends and concordant with the set casing, described to slide on the outside of block
End is also installed with the first draw ring for leading to groove and outwards extending described in break-through.
Further technical scheme, the height of the adjustment tank above-below direction is more than the thickness of the adjustment block above-below direction
Degree, thus, the adjustment block can be slided up and down in the adjustment tank.
Further technical scheme, the height of the installation cavity above-below direction is more than the radius of gyration of the pedal, by
This, the pedal can be overturn in the installation cavity.
The beneficial effects of the invention are as follows：
When the present invention is mounted in original state, the pedal is pivoted up, and the magnetic stripe adsorbs the iron core, the adjustment block position
The check lock lever is inserted into the locking slot in the adjustment tank upper end, turned over downwards so as to limit the pedal
Turn, therefore can prevent unrelated person climbing from occurring unexpected to the support line bar；
And when needing to overhaul cable, the adjustment block slide downward is driven first with interior spanner, so that the locking
Bar departs from the locking slot and allows the pedal to downwardly turn over, and is then fixed on the safety belt that maintainer is connected described
On draw ring, maintainer downwardly turns over the pedal of bottom, and the shell that slides is pulled along and leaned on the set casing
Together, due to it is described slide shell forward slip when the locking teeth can be driven to depart from the tooth form bar, therefore, can allow described
Slide block upward sliding, and once hand unclamp it is described slide shell when, it is described to slide block just not slidably, therefore, constantly upward
During climbing, using unclamp it is described slide shell when operation is downwardly turned over to the pedal not the downwardly turned over progress on top,
And personnel protect when can be to maintenance when operating pedal and maintenance, can ensure the safety of maintainer；
After maintenance is finished, maintainer during climbing, the pedal is flipped up, the pedal is turned over upwards downwards
After turning, the adsorbable iron core of magnetic stripe, so as to prevent the pedal from downwardly turning over, and after maintainer lands simultaneously
After the pedal is flipped up, the adjustment block upward sliding is driven using interior spanner, during the adjustment block upward sliding,
The check lock lever can be driven to be inserted upwardly into the locking slot；
Apparatus of the present invention are simple in construction, and safety coefficient is high, is greatly improved the security in erecting cable or repair and maintenance, so that
Potential safety hazard can be reduced.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of inventive embodiments or technical scheme of the prior art
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only the one of invention
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of power cable device of the present invention；
Fig. 2 is the structural representation in A-A directions in Fig. 1；
Structural representation when Fig. 3 downwardly turns over for pedal in Fig. 2；
Fig. 4 is the structural representation of the direction of arrow in Fig. 2；
Fig. 5 is to slide the right side structural representation of block in Fig. 2；
Fig. 6 is Fig. 1 top view.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive spy
Levy and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
As shown in Figures 1 to 6, a kind of power cable device of apparatus of the present invention, including support line bar 2 and be fixedly mounted on
The mounting bracket 4 on the top of line bar 2 is supportted, the top zygomorphism of mounting bracket 4, which is provided with, is used for the rich reel 5 for setting cable, the support
The bottom integral type of line bar 2 is provided with base 1, it is provided with multigroup installation cavity 21, the installation cavity 21 in the support front end face of line bar 2
Middle bottom is rotatably mounted with pedal 6, the upper surface of pedal 6 by first rotating shaft 61 and is provided with slotting chamber 60, institute
State the slotting left end of chamber 60 and be provided with locking slot 62, the slotting bottom surface of chamber 60 and be installed with magnetic stripe 63, set in the support line bar 2
There is the slide slot 20 that the first turn trough extended up and down and zygomorphism set and extended up and down, the rear end of slide slot 20 is set
Have a tooth form bar 200 extended up and down, the first turn trough bottom be provided with the second turn trough 23, first turn trough be provided with
The second rotating shaft 24, described second turn are rotatably mounted with the adjustment tank 22 that the installation cavity 21 leads to, first turn trough
Be located on axle 24 in the adjustment tank 22 be provided with external spiral line section, the adjustment tank 22 slide up and down be provided with it is described outer
The adjustment block 64 that spiral lamination section coordinates, the front end of adjustment block 64 is fixedly installed the jacking block 65 put in the installation cavity 21,
The outboard end of jacking block 65 is fixedly installed the check lock lever 66 coordinated with the locking slot 62, and the afterbody of check lock lever 66 is provided with
The iron core 210 coordinated with the magnetic stripe 63, the be fixedly connected with second rotating shaft 24 is provided with second turn trough 23
It is also equipped with sliding block 7, the safety belt for sliding block 7 to fixed maintainer in two toothed wheels 25, the slide slot 20.
Valuably or exemplarily, wherein, the 3rd turn trough, described 3rd turn are provided with the front bulkhead of the second turn trough 23
Groove outboard end, which is provided with shrinkage pool 26, the 3rd turn trough, is rotatably mounted with the 3rd rotating shaft 82, in second turn trough 23
The first toothed wheel 83 that is being fixedly connected with the 3rd rotating shaft 82 and being connected with second toothed wheel 25, institute are installed
State and be provided with shrinkage pool 26 and the 3rd rotating shaft 82 is fixedly connected screws first 81.
Valuably or exemplarily, wherein, described slide is provided with port sliding towards the tooth form bar 200 in block 7
Chamber 71, it is described slide to slide in chamber 71 latch segment 73 is installed, the latch segment 73 towards the tooth form bar 200 end face set
There is the locking teeth 730 being engaged with the tooth form bar 200, the left end wall of chamber 71 that slides is installed with and the latch segment 73
Abut ground extension spring 72, the extension spring 72 to by the latch segment 73 backward top pressure and make the locking teeth 730 and the tooth form
Bar 200 coordinates, and is provided with the outside end wall of slide slot 20 and leads to the first of outer end and lead to groove 27, described to slide the outside of chamber 71
Lead to that groove 27 leads to described first second is provided with end wall and leads to groove 74, the end face outside of block 7 that slides is fixedly installed
There is the first set casing 77 for leading to groove 27 and outwards extending described in break-through, the outboard end of latch segment 73, which is fixedly installed, puts in institute
State second and lead to fixed block 75 in groove 74, described first lead to slided in groove 27 be provided with it is solid with the outboard end of fixed block 75
Surely what is connected slides shell 76, and the shell 76 that slides outwards extends and concordant with the set casing 77, described to slide the outboard end of block 7 also
It is installed with the first draw ring 78 for leading to groove 27 and outwards extending described in break-through.
Valuably or exemplarily, wherein, the height of the above-below direction of adjustment tank 22 is more than the adjustment block about 64
The thickness in direction, thus, the adjustment block 64 can be slided up and down in the adjustment tank 22.
Valuably or exemplarily, wherein, the height of the above-below direction of installation cavity 21 is more than the rotation of the pedal 6
Radius, thus, the pedal 6 can be overturn in the installation cavity 21.
Apparatus of the present invention are in original state, and the pedal 6 is pivoted up, and the magnetic stripe 63 adsorbs the iron core 210,
The adjustment block 64 is located at the upper end of adjustment tank 22 and the check lock lever 66 is inserted into the locking slot 62, so as to limit
The pedal 6 is made to downwardly turn over；The block 7 that slides is positioned at the bottom of slide slot 20, and the latch segment 73 is in institute
State makes the locking teeth 730 coordinate with the tooth form bar 200 in the presence of extension spring 72 by top pressure backward；
When needing to overhaul cable, it is inserted into the shrinkage pool 26 and coordinates with the head that screws first with interior spanner, and turn
The 3rd rotating shaft 82 is moved, because first toothed wheel 83 is engaged with second toothed wheel 25, therefore, the 3rd rotating shaft
82 can drive second rotating shaft 24 to rotate when rotating, second rotating shaft 24 can be driven when rotating the adjustment block 64 to
Lower slider, the adjustment block 64 can drive the slide downward of check lock lever 66, so that the check lock lever 66 departs from the locking slot
62 and allow the pedal 6 to downwardly turn over, then the safety belt that maintainer is connected is fixed on the draw ring 78, overhaul
Personnel downwardly turn over the pedal 6 of bottom, and the shell 76 that slides is pulled along and is close together with the set casing 77,
Due to it is described slide 76 forward slip of shell when the locking teeth 730 can be driven to depart from the tooth form bar 200, therefore, institute can be allowed
It is described to slide block 7 just not slidably when stating and slide the upward sliding of block 7, and shell 76 is slided described in being unclamped once hand, therefore, not
During disconnected climbing upwards, using being turned over downwards to the pedal not downwardly turned on top when sliding shell 76 described in unclamping
Turn operation；
After maintenance is finished, maintainer during climbing, the pedal 6 is flipped up, the pedal 6 is upward downwards
After upset, the adsorbable iron core 210 of magnetic stripe 63 so as to prevent the pedal 6 from downwardly turning over, and works as maintainer
After being flipped up after landing and by the pedal 6, the upward sliding of adjustment block 64, the adjustment block are driven using interior spanner
During 64 upward sliding, the check lock lever 63 can be driven to be inserted upwardly into the locking slot 62.
The beneficial effects of the invention are as follows：When the present invention is mounted in original state, the pedal is pivoted up, and the magnetic stripe is inhaled
The attached iron core, the adjustment block is located at the adjustment tank upper end and the check lock lever is inserted into the locking slot, so that
The pedal can be limited to downwardly turn over, therefore can prevent unrelated person climbing from occurring unexpected to the support line bar；
And when needing to overhaul cable, the adjustment block slide downward is driven first with interior spanner, so that the locking
Bar departs from the locking slot and allows the pedal to downwardly turn over, and is then fixed on the safety belt that maintainer is connected described
On draw ring, maintainer downwardly turns over the pedal of bottom, and the shell that slides is pulled along and leaned on the set casing
Together, due to it is described slide shell forward slip when the locking teeth can be driven to depart from the tooth form bar, therefore, can allow described
Slide block upward sliding, and once hand unclamp it is described slide shell when, it is described to slide block just not slidably, therefore, constantly upward
During climbing, using unclamp it is described slide shell when operation is downwardly turned over to the pedal not the downwardly turned over progress on top,
And personnel protect when can be to maintenance when operating pedal and maintenance, can ensure the safety of maintainer；
After maintenance is finished, maintainer during climbing, the pedal is flipped up, the pedal is turned over upwards downwards
After turning, the adsorbable iron core of magnetic stripe, so as to prevent the pedal from downwardly turning over, and after maintainer lands simultaneously
After the pedal is flipped up, the adjustment block upward sliding is driven using interior spanner, during the adjustment block upward sliding,
The check lock lever can be driven to be inserted upwardly into the locking slot；
Apparatus of the present invention are simple in construction, and safety coefficient is high, is greatly improved the security in erecting cable or repair and maintenance, so that
Potential safety hazard can be reduced.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement is both fallen within claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of power cable device, including support line bar and the mounting bracket for being fixedly mounted on support line bar top, it is characterised in that：
Zygomorphism, which is provided with, at the top of the mounting bracket is used for the rich reel for setting cable, and the support line bar bottom integral type is provided with base,
Bottom in multigroup installation cavity, the installation cavity is provided with the support line bar front end face to be rotatably mounted with by first rotating shaft
Slotting chamber is provided with pedal, the pedal upper surface, the slotting chamber left end is provided with locking slot, the slotting bottom of chamber face solid
Dingan County is equipped with the first turn trough extended up and down and zygomorphism setting are provided with magnetic stripe, the support line bar and is extended up and down
Slide slot, the slide slot rear end is provided with the tooth form bar extended up and down, and the first turn trough bottom is provided with the second turn trough, institute
State in the adjustment tank for being provided with and leading to the installation cavity in the first turn trough, first turn trough and be rotatably mounted with second turn
It is located in the adjustment tank to be provided with to slide up and down in external spiral line section, the adjustment tank in axle, second rotating shaft and is provided with
The adjustment block coordinated with external spiral line section, the adjustment block front end is fixedly installed the jacking block put in the installation cavity,
The jacking block outboard end is fixedly installed the check lock lever coordinated with the locking slot, and the check lock lever afterbody is provided with and the magnetic
The second toothed wheel being fixedly connected with second rotating shaft is installed in the iron core that bar coordinates, second turn trough, it is described to slide
It is also equipped with sliding block in groove.
2. a kind of power cable device according to claim 1, it is characterised in that：Set in the second turn trough front bulkhead
There is the 3rd turn trough, the 3rd turn trough outboard end is provided with shrinkage pool, the 3rd turn trough and is rotatably mounted with the 3rd rotating shaft,
Be provided with second turn trough it is being fixedly connected with the 3rd rotating shaft and with second toothed wheel be connected first
It is provided with toothed wheel, the shrinkage pool and the 3rd rotating shaft is fixedly connected screws head.
3. a kind of power cable device according to claim 1, it is characterised in that：Described slide is provided with port court in block
To the chamber that slides of the tooth form bar, it is described slide to slide in chamber latch segment is installed, the latch segment is towards the tooth form bar
End face is provided with the locking teeth being engaged with the tooth form bar, it is described slide chamber left end wall and be installed with supported with the latch segment
Extension spring is grounded, is provided with end wall on the outside of the slide slot and is led to the first of outer end and lead to groove, it is described to slide on the outside of chamber in end wall
It is provided with lead to that groove leads to described first second and leads to groove, the block end face outside that slides is fixedly installed described in break-through
One set casing for leading to groove and outwards extending, the latch segment outboard end, which is fixedly installed, to be put in described second and leads to consolidating in groove
Determine block, described first leads to the shell that slides for being slided in groove and being provided with and being fixedly connected with the fixed block outboard end, described to slide block
Outboard end is also installed with the first draw ring for leading to groove and outwards extending described in break-through.
4. a kind of power cable device according to claim 1, it is characterised in that：The height of the adjustment tank above-below direction
More than the thickness of the adjustment block above-below direction.
5. a kind of power cable device according to claim 1, it is characterised in that：The height of the installation cavity above-below direction
More than the radius of gyration of the pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738027.4A CN107313713B (en) | 2017-08-24 | 2017-08-24 | A kind of power cable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738027.4A CN107313713B (en) | 2017-08-24 | 2017-08-24 | A kind of power cable device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313713A true CN107313713A (en) | 2017-11-03 |
| CN107313713B CN107313713B (en) | 2018-09-28 |
Family
ID=60177267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710738027.4A Active CN107313713B (en) | 2017-08-24 | 2017-08-24 | A kind of power cable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313713B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538033A (en) * | 2003-10-23 | 2004-10-20 | 军 刘 | Circulation type safety lifesaving ladder |
| WO2013105880A2 (en) * | 2012-01-11 | 2013-07-18 | Babaylova Nadezhda Vasilyevna | Vertical ladder |
| CN105507651A (en) * | 2015-12-13 | 2016-04-20 | 青岛智享专利技术开发有限公司 | Safe power line pole |
| CN105696837A (en) * | 2016-04-11 | 2016-06-22 | 哈尔滨共阳科技咨询有限公司 | Electric power support |
| CN106948750A (en) * | 2017-03-22 | 2017-07-14 | 青岛智享专利技术开发有限公司 | A kind of bridge building operations portable electric ladder stand |
-
2017
- 2017-08-24 CN CN201710738027.4A patent/CN107313713B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538033A (en) * | 2003-10-23 | 2004-10-20 | 军 刘 | Circulation type safety lifesaving ladder |
| WO2013105880A2 (en) * | 2012-01-11 | 2013-07-18 | Babaylova Nadezhda Vasilyevna | Vertical ladder |
| CN105507651A (en) * | 2015-12-13 | 2016-04-20 | 青岛智享专利技术开发有限公司 | Safe power line pole |
| CN105696837A (en) * | 2016-04-11 | 2016-06-22 | 哈尔滨共阳科技咨询有限公司 | Electric power support |
| CN106948750A (en) * | 2017-03-22 | 2017-07-14 | 青岛智享专利技术开发有限公司 | A kind of bridge building operations portable electric ladder stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107313713B (en) | 2018-09-28 |
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Effective date of registration: 20180822 Address after: 201800 B 1, 199 Heng Heng Road, Wai Gang Town, Jiading District, Shanghai. Applicant after: Shanghai Shenyuan Hi-Temp Wire Co.,Ltd. Address before: 400010 Chongqing Yuzhong District Yuzhong District Sports Road 44 mobile e-commerce Industrial Park 2 floor 213 Applicant before: Wu Tianwen |
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