CN113931426A - Antenna support maintenance platform based on shared tower and use method thereof - Google Patents
Antenna support maintenance platform based on shared tower and use method thereof Download PDFInfo
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- CN113931426A CN113931426A CN202111245160.9A CN202111245160A CN113931426A CN 113931426 A CN113931426 A CN 113931426A CN 202111245160 A CN202111245160 A CN 202111245160A CN 113931426 A CN113931426 A CN 113931426A
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- sleeve
- sliding sleeve
- tower
- supporting surface
- supporting
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- 238000012423 maintenance Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 235000005770 birds nest Nutrition 0.000 abstract description 2
- 244000240635 birds nest Species 0.000 abstract description 2
- 235000005765 wild carrot Nutrition 0.000 abstract description 2
- 230000009194 climbing Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/243—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the outside contour of a building
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- 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
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses an antenna support maintenance platform based on a shared tower and a using method thereof. The invention realizes the opening or closing of the support rod by utilizing the up-and-down movement of the sliding sleeve along the sleeve, the surface of the support rod is provided with the supporting surface to form a foldable maintenance platform, and the problems that birds nest and the climbing of electric power maintenance personnel are easily hindered by installing the conventional fixed maintenance platform of the communication iron tower on the electric power tower are solved.
Description
Technical Field
The invention belongs to the technical field of electric power and communication engineering, and particularly relates to an antenna bracket maintenance platform based on a shared tower and a using method thereof.
Background
The power communication sharing tower is a device for installing communication equipment on the power tower to realize resource sharing, the structure of the power communication sharing tower mainly adopts the power tower, the main structure of the power communication sharing tower is a smooth cylinder or prism, and the conventional communication tower is often provided with a ladder stand and an overhauling platform to lean on communication overhauling personnel so as to improve the safety and the operation convenience of high-altitude operation.
But if the fixed maintenance platform that uses the communication trade sets up on electric power tower, on the one hand incurs birds to nest on overhauing the platform easily, brings the hidden danger for electric power line's safe operation, and on the other hand forms electric power maintainer and steps on electric power tower and overhauls the hindrance of transmission line cable, influences electric power tower normal function and uses.
Disclosure of Invention
Based on the problems, the invention provides a communication antenna maintenance platform based on a shared tower, which can avoid bird nesting and influence on normal operation of electric power maintenance while providing safe leaning for communication maintenance personnel.
The technical scheme includes that the antenna support overhauling platform based on the shared tower comprises a sleeve, a fixed seat, supporting rods, a sliding sleeve, connecting rods and a supporting surface, wherein the inner diameter of the sleeve is matched with the outer diameter of the tower, the sleeve is sleeved outside the tower, the fixed seat is fixedly installed at the top of the sleeve, the supporting rods are uniformly arranged on the outer side of the fixed seat in the circumferential direction, the head ends of the supporting rods are rotatably connected with the fixed seat, the sliding sleeve is located below the fixed seat and is slidably connected with the sleeve, a fixing mechanism is arranged on the lower portion of the sliding sleeve, the connecting rods are uniformly arranged on the outer side of the upper portion corresponding to the circumferential direction of the supporting rods, the head ends of the connecting rods are rotatably connected with the sliding sleeve, the tail ends of the connecting rods are rotatably connected with the middle portion of the supporting rods, the supporting surface is detachably and fixedly connected to the upper surface of the supporting rods along the supporting rods, and the area of the supporting surface is equivalent to the area formed by the supporting rods being completely unfolded.
Preferably, the fixing mechanism comprises a nut seat and a clamping bolt, the nut seat is axially fixed on the side wall of the sliding sleeve and communicated with the sliding sleeve, a thread is arranged in the nut seat and connected with the clamping bolt in a matching manner, and the clamping bolt penetrates through the nut seat and the sliding sleeve and is abutted against the outer wall of the sleeve.
Preferably, the nut seat and the clamping bolt are matched with 2-3 groups and are circumferentially and uniformly arranged on the side wall of the sliding sleeve.
Preferably, the top end and the bottom end of the sleeve are respectively and fixedly connected with an upper anchor ear and a lower anchor ear, and the upper anchor ear and the lower anchor ear are fixedly installed on the tower.
Preferably, the supporting surface is circular with a round hole in the center after being connected and unfolded, the length of the inner circular edge of the supporting surface is larger than the perimeter of the tower, the length of the outer circular edge is equal to the length of a connecting line of the tail ends of the plurality of supporting rods, the outer circular edge and the inner circular edge of the supporting surface are curled, binding bands are arranged in the curling edges respectively, two ends of each binding band penetrate through the supporting surface for binding, a plurality of connecting bands are arranged on the inner side of the supporting surface along the supporting rods, and the supporting surface and the supporting rods are fixed through the connecting bands.
Preferably, the supporting surface is made of waterproof nylon oxford cloth.
Preferably, the tail end of the support rod is provided with a hook inwards.
A using method of an antenna support overhauling platform based on a shared tower comprises the following steps:
s1: the sliding sleeve is moved upwards, the connecting rod drives the supporting rod to be opened until the supporting rod is in a horizontal state, and the supporting surface is opened;
s2: screwing the clamping bolt to inwards abut against the sleeve to fix the sliding sleeve, and then the supporting surface can be used as an overhauling platform;
s3: after the use, the clamping bolt is screwed outwards, the sliding sleeve is not connected with the sleeve, the sliding sleeve is moved downwards until the supporting rod is completely folded and leans against the sliding sleeve, the supporting surface is fixed on the outer side of the supporting rod by binding the sleeve through the binding band on the longer arc edge of the supporting surface, and the supporting rod is covered and protected to be used next time.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the invention, the sleeve is arranged on the shared tower, the fixed seat is arranged at the top end of the sleeve and is rotatably connected with the supporting rod, the sliding sleeve is arranged below the fixed seat and is slidably connected with the sleeve, the supporting rod and the sliding sleeve are rotatably connected through the connecting rod, the supporting rod is opened or closed by utilizing the up-and-down movement of the sliding sleeve along the sleeve, the supporting surface is arranged on the surface of the supporting rod to form a foldable maintenance platform, the supporting rod and the supporting surface are unfolded during use to provide a standing or squatting position for communication maintenance personnel, the safety and convenience of high-altitude operation are improved, the supporting rod and the supporting surface are closed after maintenance is finished, so that the supporting rod and the supporting surface are attached to the outer side of the tower, and the problem that birds nest easily occurs and the electric maintenance personnel climb the tower to form obstruction when the fixed maintenance platform of the conventional communication iron tower is installed on the electric tower is solved;
2) the oxford fabric is used as a supporting surface, the oxford fabric not only has the advantages of high strength, wear resistance, sun resistance and the like, a safe and reliable overhaul platform is formed, but also the volume of the device is reduced after the device is folded, in addition, the oxford fabric is connected and fixed through the binding bands and the connecting bands, the replacement and maintenance are convenient, the oxford fabric is fixed on the outer side of the supporting rod through the lower binding bands and the upper binding bands after the device is used, the protection of wind shielding, rain shielding and sun blocking is formed on the supporting rod, and the structural damage of the supporting rod, the connecting rod, the sliding sleeve and the like is avoided;
3) through set up the couple at the branch tail end for hang some maintenance tools, reduce maintainer's heavy burden, and the maintainer of being convenient for changes practical relevant instrument.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a fixing mechanism according to the present invention;
FIG. 3 is a bottom plan view of the support surface of the present invention;
the labels in the figure are: 1. the device comprises a sleeve, 11, an upper hoop, 12, a lower hoop, 2, a fixed seat, 3, a support rod, 31, a hook, 4, a sliding sleeve, 41, a fixing mechanism, 410, a nut seat, 411, a clamping bolt, 5, a connecting rod, 6, a supporting surface, 61, a binding band, 62 and a connecting band.
Detailed Description
The invention will be further explained in conjunction with the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Example 1
As shown in fig. 1-3, an antenna bracket maintenance platform based on a shared tower is installed on the tower and located below communication equipment to facilitate maintenance of communication personnel, and the maintenance platform comprises a sleeve 1, a fixed seat 2, a support rod 3, a sliding sleeve 4, a connecting rod 5 and a supporting surface 6.
The internal diameter of the sleeve 1 is matched with the external diameter of the tower, the outer side of the tower is fixedly sleeved with the sleeve, the top end and the bottom end of the sleeve 1 are respectively welded with the upper hoop 11 and the lower hoop 12, the upper hoop 11 and the lower hoop 12 are fixedly installed on the tower, and the installation stability of the sleeve 1 is further improved.
The sliding sleeve 4 is positioned below the fixed seat 2 and is connected with the sleeve 1 in a sliding manner, the lower part of the sliding sleeve 4 is provided with a fixing mechanism 41, and the outer side of the upper part of the sliding sleeve 4 is uniformly provided with a plurality of connecting rods 5 corresponding to the circumferential direction of the supporting rod 3; similarly, the connecting rod 5 is a steel square rod, 4-6 hole grooves are uniformly formed in the outer side of the upper portion of the sliding sleeve 4 in the circumferential direction, shaft pins are arranged in the hole grooves, the head end of the connecting rod 5 is rotatably connected with the sliding sleeve through the shaft pins, and the tail end of the connecting rod 5 is rotatably connected with the middle portion of the supporting rod 3. When the sliding sleeve 4 moves upwards, the tail end of the connecting rod 5 moves outwards to prop up and open the supporting rod 3, and when the sliding sleeve 4 moves downwards, the tail end of the connecting rod 5 moves inwards to drive the tail end of the supporting rod 3 to be folded downwards to be close to the sleeve 1.
In this embodiment, the fixing mechanism 41 includes a nut seat 410 and a fastening bolt 411, the nut seat 410 is axially fixed on the side wall of the sliding sleeve 4 and is communicated with the sliding sleeve 4, a thread is arranged in the nut seat 410 and is connected with the fastening bolt 411 in a matching manner, the fastening bolt 411 passes through the nut seat 410 and the sliding sleeve 4 and is connected with the outer wall of the sleeve 1 in an abutting manner, and when the fixing mechanism is used, the sliding sleeve 4 is fixed by screwing the fastening bolt 411. Specifically, the nut seat 410 and the clamping bolt 411 are arranged in 2-3 groups in a matching manner, and are circumferentially and uniformly arranged on the side wall of the sliding sleeve 4, so as to ensure the fixing effect.
The supporting surface 6 is detachably and fixedly connected to the upper surface of the supporting rod 3 along the supporting rod 3, and the area of the supporting surface 6 is equivalent to the area of a plane formed by the complete unfolding of the supporting rods 3. Specifically, the supporting surface 6 adopts waterproof nylon oxford, has advantages such as high strength, wear-resisting, sun-proof, forms safe and reliable's maintenance platform, is favorable to the device to draw in the back in moreover and reduces the volume. The supporting surface 6 is connected and is the circular that the round hole was seted up to central authorities after expanding (the supporting surface center is seted up a connecting edge to outer disc, be used for the installation or dismantle the supporting surface), edge length in the supporting surface 6 is greater than the shaft tower girth, outer disc length is equivalent with 3 tail end line lengths of a plurality of branch, and edge rolling processing is all done to edge rolling in edge rolling and the inner disc of the outer disc of supporting surface 6, bandage 61 is in the edge rolling respectively, bandage 61 both ends are worn out supporting surface 6 and are used for the ligature, 6 inboard edges branch 3 of supporting surface are equipped with a plurality of connecting bands 62, fix supporting surface 6 and branch 3 through connecting band 62, be convenient for change the maintenance, and fix oxford cloth in the branch 3 outside through bandage 61 connecting sleeve after using, form the protection that shelters from the wind, rain and keeps off the sun, avoid branch 3, connecting rod 5, structural damage such as sliding sleeve 4.
Preferably, the tail end of the supporting rod 3 is inwards provided with a hook 31 for hanging part of the maintenance tools, so that the load burden of the maintenance personnel is reduced, and the maintenance personnel can conveniently replace practical related tools.
Example 2
A using method of an antenna support overhauling platform based on a shared tower comprises the following steps:
s1: initially, the maintenance platform is in a furled state, the binding band 61 of the longer arc edge of the supporting surface 6 binds the sleeve 1, when in use, the binding band 61 is firstly untied, then the sliding sleeve 4 is moved upwards, the connecting rod 5 drives the supporting rod 3 to be upwards supported and opened until the supporting rod 3 is in a horizontal state, and the supporting surface 6 is opened;
s2: screwing the clamping bolt 411 inwards to tightly abut against the sleeve 1 to fix the sliding sleeve 4, and at the moment, the supporting surface 6 can be used as an overhauling platform;
s3: after the use, outwards twist and move chucking bolt 411, not hard up sliding sleeve 4 and sleeve 1's connection, remove sliding sleeve 4 downwards, drive 3 tail ends of branch and gather downwards through connecting rod 5, until drawing in branch 3 completely and leaning on sliding sleeve 4, the subsides clothes in the sleeve 1 outside, bandage 61 ligature sleeve 1 on the longer circular arc limit of holding surface 6, fix holding surface 6 in the branch 3 outside, form the cover protection to branch 3 to use next time.
The invention arranges the sleeve 1 on the sharing tower, the top end of the sleeve 1 is provided with the fixed seat 2, the outer side of the fixed seat 2 is rotationally connected with the supporting rod 3 through the shaft pin, the lower part of the fixed seat 2 is provided with the sliding sleeve 4 which is connected with the sleeve 1 in a sliding way, the supporting rod 3 and the sliding sleeve 4 are rotationally connected through the connecting rod 5, the supporting rod 3 is unfolded or folded by utilizing the sliding sleeve 4 to move up and down along the sleeve 1, and 3 surfaces of branch are equipped with holding surface 6, form folded cascade and overhaul the platform, expand branch 3 and holding surface 6 during the use, for communication maintainer provides the position of standing or squatting, improve high altitude construction's security and convenience, overhaul and draw in branch 3 and holding surface 6 through downward movement sliding sleeve 4 after accomplishing, make its subsides obey in the shaft tower outside, the solution will be in the past fixed maintenance platform of communication iron tower and install on electric power tower, form certain holding surface, arouse birds to nest easily and step on the tower to the electric power maintainer and form the problem of hindrance. The invention has simple structure, easy preparation and installation, convenient use and practicability.
The above-described examples are merely illustrative of preferred embodiments of the present invention and do not limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art without departing from the spirit and principles of this invention, and it is intended to cover such modifications and alterations in the invention as fall within the true spirit and scope of the appended claims.
Claims (8)
1. An antenna support maintenance platform based on a shared tower is characterized by comprising a sleeve (1), a fixed seat (2), support rods (3), a sliding sleeve (4), connecting rods (5) and a supporting surface (6), wherein the inner diameter of the sleeve (1) is matched with the outer diameter of the tower, the sleeve is sleeved outside the tower, the fixed seat (2) is fixedly installed at the top of the sleeve (2), a plurality of support rods (3) are circumferentially and uniformly arranged outside the fixed seat (2), the head ends of the support rods (3) are rotatably connected with the fixed seat (2), the sliding sleeve (4) is positioned below the fixed seat (2) and is slidably connected with the sleeve (1), the lower part of the sliding sleeve (4) is provided with a fixing mechanism (41), the outer side of the upper part is circumferentially and uniformly provided with a plurality of connecting rods (5) corresponding to the support rods (3), the head ends of the connecting rods (5) are rotatably connected with the sliding sleeve (4), and the tail ends of the connecting rods (3) are rotatably connected with the middle part of the support rods (3), the supporting surface (6) is detachably and fixedly connected to the upper surface of the supporting rod (3) along the supporting rod (3), and the area of the supporting surface (6) is equivalent to the area of a plane formed by completely unfolding the supporting rods (3).
2. The antenna bracket maintenance platform based on the shared tower is characterized in that the fixing mechanism (41) comprises a nut seat (410) and a clamping bolt (411), the nut seat (410) is axially fixed on the side wall of the sliding sleeve (4) and communicated with the sliding sleeve (4), the nut seat (410) is internally provided with threads and is in matched connection with the clamping bolt (411), and the clamping bolt (411) penetrates through the nut seat (410) and the sliding sleeve (4) and is connected with the outer wall of the sleeve (1) in an abutting mode.
3. The antenna bracket maintenance platform based on the shared tower as claimed in claim 2, wherein the nut seat (410) and the clamping bolt (411) are arranged in 2-3 groups in a matched manner, and are circumferentially and uniformly arranged on the side wall of the sliding sleeve (4).
4. The antenna bracket maintenance platform based on the shared tower as claimed in claim 1, wherein the top end and the bottom end of the sleeve (1) are respectively and fixedly connected with an upper anchor ear (11) and a lower anchor ear (12), and the upper anchor ear (11) and the lower anchor ear (12) are fixedly installed on the tower.
5. The antenna support overhauling platform based on the shared tower as claimed in claim 1, wherein the supporting surface (6) is in a circular shape with a round hole in the center after being connected and unfolded, the length of the inner circular edge of the supporting surface is larger than the perimeter of the tower, the length of the outer circular edge is equivalent to the length of the tail end connecting line of the plurality of supporting rods (3), the outer circular edge and the inner circular edge of the supporting surface (6) are curled, binding bands (61) are respectively arranged in the curled edges, two ends of each binding band (61) penetrate through the supporting surface (6) for binding, a plurality of connecting bands (62) are arranged on the inner side of the supporting surface (6) along the supporting rods (3), and the supporting surface (6) and the supporting rods (3) are fixed through the connecting bands (62).
6. The antenna bracket maintenance platform based on the shared tower as claimed in claim 1, wherein the supporting surface (6) is made of waterproof nylon oxford.
7. The antenna bracket maintenance platform based on shared towers according to claim 1, characterized in that the tail end of the strut (3) is provided with a hook (31) inwards.
8. The use method of the antenna support overhauling platform based on the shared tower as claimed in any one of claims 1 to 7, is characterized by comprising the following steps:
s1: the sliding sleeve (4) is moved upwards, the connecting rod (5) drives the supporting rod (3) to be opened until the supporting rod (3) is in a horizontal state, and the supporting surface (6) is opened;
s2: screwing the clamping bolt (411) inwards to tightly abut against the sleeve (1) to fix the sliding sleeve (4), and the supporting surface (6) can be used as an overhauling platform at the moment;
s3: after the use, outwards twist and move chucking bolt (411), not hard up sliding sleeve (4) and sleeve (1) be connected, sliding sleeve (4) move down until drawing in branch (3) completely and lean on sliding sleeve (4) to utilize bandage (61) ligature sleeve (1) of the longer circular arc limit of holding surface (6), fix holding surface (6) in branch (3) outside, form the cover protection to branch (3), in order to wait to use next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245160.9A CN113931426A (en) | 2021-10-26 | 2021-10-26 | Antenna support maintenance platform based on shared tower and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245160.9A CN113931426A (en) | 2021-10-26 | 2021-10-26 | Antenna support maintenance platform based on shared tower and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113931426A true CN113931426A (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111245160.9A Pending CN113931426A (en) | 2021-10-26 | 2021-10-26 | Antenna support maintenance platform based on shared tower and use method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002227403A (en) * | 2001-01-30 | 2002-08-14 | Atox Co Ltd | Work scaffold installed to circulating-water elbow piping section |
| CN105565220A (en) * | 2015-12-22 | 2016-05-11 | 国家电网公司 | Aerial working platform |
| DE102016121273A1 (en) * | 2016-06-17 | 2017-12-21 | WP Systems GmbH | Rotorblattbefahranlage |
| CN207244282U (en) * | 2017-06-09 | 2018-04-17 | 浙江建设职业技术学院 | A kind of drying frame of dual-support structure |
| CN207436543U (en) * | 2017-11-22 | 2018-06-01 | 李光军 | Novel building ergonomic support device |
| CN111411710A (en) * | 2020-04-08 | 2020-07-14 | 江勇 | Sun-shading and rain-sheltering self-opening device |
| CN212176766U (en) * | 2020-03-19 | 2020-12-18 | 成都安博嘉润电子技术有限公司 | Signal device for communication |
| CN213174718U (en) * | 2020-06-03 | 2021-05-11 | 江苏中大杆塔有限公司 | Steel pipe tower is as doing platform |
-
2021
- 2021-10-26 CN CN202111245160.9A patent/CN113931426A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002227403A (en) * | 2001-01-30 | 2002-08-14 | Atox Co Ltd | Work scaffold installed to circulating-water elbow piping section |
| CN105565220A (en) * | 2015-12-22 | 2016-05-11 | 国家电网公司 | Aerial working platform |
| DE102016121273A1 (en) * | 2016-06-17 | 2017-12-21 | WP Systems GmbH | Rotorblattbefahranlage |
| CN207244282U (en) * | 2017-06-09 | 2018-04-17 | 浙江建设职业技术学院 | A kind of drying frame of dual-support structure |
| CN207436543U (en) * | 2017-11-22 | 2018-06-01 | 李光军 | Novel building ergonomic support device |
| CN212176766U (en) * | 2020-03-19 | 2020-12-18 | 成都安博嘉润电子技术有限公司 | Signal device for communication |
| CN111411710A (en) * | 2020-04-08 | 2020-07-14 | 江勇 | Sun-shading and rain-sheltering self-opening device |
| CN213174718U (en) * | 2020-06-03 | 2021-05-11 | 江苏中大杆塔有限公司 | Steel pipe tower is as doing platform |
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Application publication date: 20220114 |
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