CN112421455B - Power transformation and distribution maintenance device - Google Patents
Power transformation and distribution maintenance device Download PDFInfo
- Publication number
- CN112421455B CN112421455B CN202011152278.2A CN202011152278A CN112421455B CN 112421455 B CN112421455 B CN 112421455B CN 202011152278 A CN202011152278 A CN 202011152278A CN 112421455 B CN112421455 B CN 112421455B
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- fixing
- plate
- top end
- rod
- fixing plate
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- 238000012423 maintenance Methods 0.000 title claims abstract description 32
- 230000009466 transformation Effects 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 description 11
- 230000009194 climbing Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
Abstract
The invention belongs to the technical field of power maintenance equipment, and particularly relates to a power transformation and distribution maintenance device which aims at the problem that a pedal of a maintenance ladder is narrow and can cause burden to feet of workers. The first telescopic group is driven to stretch by the hydraulic rod, the first positioning plate enables the pedal at the top end to be lifted, the pedal is horizontal because the first positioning plate is horizontal, and all pedals are always horizontal because the first telescopic group and the second telescopic group are parallel to each other.
Description
Technical Field
The invention relates to the technical field of power maintenance equipment, in particular to a power transformation and distribution maintenance device.
Background
The distribution and arrangement of electric power systems in China are very extensive and complex, which means that problems are easy to occur in electric power transmission, more workers are needed to maintain, a plurality of electric power facilities are placed in high altitude far away from the ground, and workers need to climb up the electric power facilities or build other climbing equipment such as a herringbone ladder to facilitate maintenance.
Through retrieval, chinese patent publication No. CN107842305B discloses an overhaul platform ladder and an overhaul platform ladder using method, including a framework connecting module, a platform ladder body and an anti-falling module, wherein the framework connecting module is installed on the framework and includes a horizontal adjusting component and a vertical adjusting component, through the horizontal adjusting component and the vertical adjusting component, the framework connecting module can be matched with the outer contour of the framework and clamped on the framework, the platform ladder body is installed on the framework connecting module, and the framework connecting module and the anti-falling module are insulated by the platform ladder body, and the anti-falling module is detachably installed on the platform ladder body and includes a hanging ring for the safety belt to pass through.
When general maintenance ladder was used, the workman can stand the foot on the footboard in the middle, and general footboard is all comparatively constrictive, and the workman is long-time during operation, because the lifting surface area is less, can cause the burden to the foot, influences workman's work.
Disclosure of Invention
The invention provides a power transformation and distribution maintenance device based on the technical problems that a pedal of a maintenance ladder is narrow and burdens feet of workers are caused, the power transformation and distribution maintenance device comprises a base, two first fixing rods are rotatably connected to the top end of the base, the pedal is rotatably connected between the two first fixing rods, two fourth fixing rods are rotatably connected to one side of the pedal, a plurality of first telescopic groups and a plurality of second telescopic groups are respectively arranged at the top ends of the first fixing rods and the fourth fixing rods, each first telescopic group comprises a first telescopic rod and a first moving rod, each second telescopic group comprises a plurality of second telescopic rods and a second moving rod, a hydraulic system and a hydraulic rod are arranged at the top end of the base, a third fixing plate is arranged at the top end of the hydraulic rod, a fixing column is welded to the top end of the third fixing plate, a second fixing plate is arranged at the top end of the second fixing plate, one side of the first fixing plate is rotatably connected with the two second fixing rods, one end of the second fixing rod is welded to the first telescopic rod, one side of the pedal is rotatably connected with the third fixing rod, and one side of the first fixing rod is welded with the top end of the first fixing plate in a sliding mode.
Preferably, the top welding of base has the third support column, and the top welding of third support column has the second locating plate, first locating plate with the top welding of second locating plate has the slider, and the slider is the T shape, the T shape spout has been seted up to the bottom of footboard, the slider is in the inside of T shape spout.
Preferably, one side of the first fixing plate is welded with a placing box, and one side of the placing box is provided with two box doors.
Preferably, the middle of the second fixing plate is provided with a threaded through hole, the second fixing plate is provided with a threaded rod at the threaded through hole, the bottom end of the threaded rod is rotatably connected with the fixing column, the middle of the first fixing plate is provided with a circular through hole, the threaded rod penetrates through the first fixing plate at the circular through hole, and the top end of the threaded rod is provided with a rocker.
Preferably, a guardrail is welded at the top end of the first fixing plate.
Preferably, the top welding of hydraulic stem has the third fixed plate, and the deflector has all been welded to the both sides of third fixed plate, and one side of deflector is the slope form, the guide way has been seted up to one side of deflector, the top welding of base has the fixed block, and one side of fixed block is rotated and is connected with the support column, and the top of support column is in the inside of guide way.
Preferably, the bottom end of the base is provided with universal wheels.
Preferably, a first supporting rod is welded to the bottom end of the first positioning plate, and one end of the first supporting rod is welded to the first fixing plate.
Preferably, limiting plates are welded at the bottom ends of the first telescopic rod and the second telescopic rod.
Preferably, one side of the guardrail is rotatably connected with a rotating shaft, a rotating plate is welded in the middle of the rotating shaft, a clamping block is welded at the top end of the rotating plate, and a clamping groove is formed in one side of the guardrail.
The beneficial effects of the invention are as follows:
1. by arranging the first telescopic rod, the first moving rod, the second telescopic rod and the second moving rod, the hydraulic rod drives the second fixed plate to ascend, the second fixed plate drives the first fixed plate, the first fixed plate drives the two second fixed rods and the first positioning plate to ascend, the two second fixed rods drive the first telescopic group to stretch, the first telescopic rod and the first moving rod are separated from each other, the first positioning plate enables the pedal at the top end to ascend, the pedal is horizontal because the first positioning plate is horizontal, and meanwhile, all pedals are always horizontal because the first telescopic group and the second telescopic group are parallel to each other;
2. the threaded rod is arranged, the rocker is rotated to rotate the threaded rod, the threaded rod enables the first fixing plate to ascend or descend, the top pedal can ascend or descend, and workers at the top end of the device can conveniently adjust the height;
3. by arranging the guide plate and the support columns, when the hydraulic rod rises, the third fixing plate is driven to rise, the third fixing plate drives the guide plate to rise, the guide plate enables the support columns to rotate through the inclined guide grooves, the bottom ends of the support columns are in contact with the ground, the base is fixed, and the device is prevented from moving randomly when in use;
4. through setting up rotor plate and fixture block, after the workman reachd the top of device, through rotating the rotor plate, make the rotor plate rotatory 90 degrees, among the fixture block got into the draw-in groove of guardrail, the rotor plate was the level form this moment, and the workman can be sat on the rotor plate, avoids the workman to stand for a long time.
5. Through the T-shaped sliding groove that is the slider of T-shape and the pedal bottom of setting, the slider is in the inside of T-shaped sliding groove, and the cooperation of slider and T-shaped sliding groove can make the pedal slide on the top of first locating plate and second locating plate, can make the pedal be the horizontality all the time.
6. The placing box is arranged, tools needed by workers can be conveniently placed in the placing box, and the workers are prevented from climbing up and down to take the tools.
Drawings
Fig. 1 is a schematic front view of a power transformation, distribution and maintenance device according to the present invention;
fig. 2 is a front sectional view of a first fixing rod of a power transformation, distribution and maintenance device according to the present invention;
fig. 3 is a front view of a guide plate structure of a power transformation, distribution and maintenance device according to the present invention;
fig. 4 is a front view of a first positioning plate structure of a power transformation, distribution and maintenance device according to the present invention;
fig. 5 is a cross-sectional view of a threaded rod side structure of a power transformation, distribution and maintenance device provided by the invention;
fig. 6 is a front view of a guardrail structure of a power transformation and distribution maintenance device provided by the invention.
In the figure: 1 base, 2 pedals, 3 first fixed rods, 4 first telescopic links, 5 first movable rods, 6 second fixed rods, 7 guardrails, 701 draw-in groove, 8 rocker, 9 threaded rod, 10 placing boxes, 1001 box door, 11 first locating plate, 12 first supporting rod, 13 first fixed plate, 14 third fixed rods, 15 second fixed plates, 16 fixed columns, 17 third fixed plates, 18 guide plates, 1801 guide grooves, 19 supporting columns, 20 fixed blocks, 21 hydraulic rods, 22 second supporting rods, 23 second movable rods, 24 second telescopic links, 25 fourth fixed rods, 26 third supporting rods, 27 second locating plates, 28 universal wheels, 29 sliders, 30 limiting blocks, 31 rotating shafts, 32 rotating plates and 33 clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, a power transformation and distribution maintenance device comprises a base 1, two first fixing rods 3 are rotatably connected to the top end of the base 1, a pedal 2 is rotatably connected between the two first fixing rods 3, two fourth fixing rods 25 are rotatably connected to one side of the pedal 2, a plurality of first telescopic groups and second telescopic groups are respectively arranged at the top ends of the first fixing rods 3 and the fourth fixing rods 25, each first telescopic group comprises a first telescopic rod 4 and a first moving rod 5, each second telescopic group comprises a plurality of second telescopic rods 24 and second moving rods 23, a hydraulic system and a hydraulic rod 21 are arranged at the top end of the base 1, a third fixing plate 17 is arranged at the top end of the hydraulic rod 21, a fixing column 16 is welded at the top end of the third fixing plate 17, a second fixing plate 15 is arranged at the top end of the fixing column 16, a first fixing plate 13 is welded at the top end of the second fixing plate 15, one side of the first fixed plate 13 is rotatably connected with two second fixed rods 6, one end of each second fixed rod 6 is welded with the first telescopic rod 4, one side of the pedal 2 is rotatably connected with a third fixed rod 14, one side of the third fixed rod 14 is welded with the second telescopic rod 24, one side of the first fixed plate 13 is welded with the first positioning plate 11, the pedal 2 is slidably connected with the top end of the first positioning plate 11, the hydraulic rod 21 is lifted through a hydraulic system, the hydraulic rod 21 drives the second fixed plate 15 to ascend, the second fixed plate 15 drives the first fixed plate 13, the first fixed plate 13 drives the two second fixed rods 6 and the first positioning plate 11 to ascend, the two second fixed rods 6 drive the first telescopic group to stretch, the first telescopic rod 4 is separated from the first movable rod 5, the pedal 2 at the top end is lifted by the first positioning plate 11, and the pedal 2 is horizontal because the first positioning plate 11 is horizontal, simultaneously because first flexible group and the flexible group of second are parallel to each other, make all footboard 2 be the level form all the time, the workman can come the top of device through footboard 2 and maintain, because footboard 2 is fixed through first dead lever 3 and fourth dead lever 25, so comparatively wide, can not cause the damage to workman's foot.
In the invention, the top end of the base 1 is welded with the third supporting column 26, the top end of the third supporting column 26 is welded with the second positioning plate 27, the top ends of the first positioning plate 11 and the second positioning plate 27 are welded with the sliding block 29, the sliding block 29 is T-shaped, the bottom end of the pedal 2 is provided with the T-shaped sliding groove, the sliding block 29 is positioned inside the T-shaped sliding groove, the pedal 2 can slide at the top ends of the first positioning plate 11 and the second positioning plate 27 through the matching of the sliding block 29 and the sliding groove, and the pedal 2 can be always in a horizontal state.
Wherein, the welding of one side of first fixed plate 13 has places case 10, and the one side of placing case 10 is equipped with two chamber doors 1001, places case 10 and can conveniently place the instrument that the workman needs, avoids the workman to climb from top to bottom and the instrument of taking.
Wherein, the middle part of second fixed plate 15 has seted up threaded through-hole, second fixed plate 15 is equipped with threaded rod 9 in threaded through-hole department, threaded rod 9's bottom and fixed column 16 rotate to be connected, circular through-hole has been seted up at the middle part of first fixed plate 13, threaded rod 9 runs through first fixed plate 13 in circular through-hole department, rocker 8 is installed on the top of threaded rod 9, through rotating rocker 8, can make threaded rod 9 rotate, threaded rod 9 makes first fixed plate 13 rise or descend, can make 2 rises or descend on top footboard, the workman that is convenient for on the device top carries out the adjustment of height.
Wherein, the welding of the top of first fixed plate 13 has guardrail 7, and guardrail 7 can protect workman's safety.
Wherein, the top welding of hydraulic stem 21 has third fixed plate 17, deflector 18 has all been welded to the both sides of third fixed plate 17, one side of deflector 18 is the slope form, guide way 1801 has been seted up to one side of deflector 18, the top welding of base 1 has fixed block 20, one side rotation of fixed block 20 is connected with support column 19, the top of support column 19 is in the inside of guide way 1801, when hydraulic stem 21 rose, can drive third fixed plate 17 and rise, third fixed plate 17 drives the deflector 17 and rises, the deflector 17 makes support column 19 rotatory through the guide way 1801 that is the slope form, support column 19's bottom contact ground, make base 1 fixed, the avoiding device removes at will when using.
Wherein, the bottom of base 1 is equipped with universal wheel 28, is convenient for the device to remove.
The bottom end of the first positioning plate 11 is welded with a first supporting rod 12, one end of the first supporting rod 12 is welded with a first fixing plate 13, and the first supporting rod 12 can increase the stability of the first positioning plate 11 to fix the pedal 2.
Wherein, limiting plate 30 has all been welded to the bottom of first telescopic link 4 and second telescopic link 24, and limiting plate 30 can avoid first telescopic link 4 and second telescopic link 24 to drop.
When the lifting device is used, the hydraulic rod 21 is lifted through a hydraulic system, the hydraulic rod 21 drives the second fixing plate 15 to ascend, the second fixing plate 15 drives the first fixing plate 13, the first fixing plate 13 drives the two second fixing rods 6 and the first positioning plate 11 to ascend, the two second fixing rods 6 drive the first telescopic group to stretch, the first telescopic rod 4 and the first moving rod 5 are separated from each other, the pedal 2 at the top end is lifted through the first positioning plate 11, the pedal 2 is horizontal because the first positioning plate 11 is horizontal, and meanwhile, all the pedals 2 are always horizontal because the first telescopic group and the second telescopic group are parallel to each other, a worker can get to the top end of the lifting device through the pedal 2 for maintenance, and the pedal 2 is fixed through the first fixing rod 3 and the fourth fixing rod 25, so that the lifting device is wide and cannot damage feet of the worker;
the threaded rod 9 can be rotated by rotating the rocker 8, the first fixing plate 13 is lifted or descended by the threaded rod 9, and the top end pedal 2 can be lifted or descended, so that the height of a worker at the top end of the device can be conveniently adjusted;
when the hydraulic stem 21 rises, can drive the third fixed plate 17 and rise, the third fixed plate 17 drives the deflector 17 and rises, the deflector 17 makes support column 19 rotatory through the guide way 1801 that is the slope form, and support column 19's bottom contact ground makes base 1 fixed, avoids the device to remove when using at will.
Example 2
Referring to fig. 6, a transformer distribution maintenance device, this embodiment compares in embodiment 1, in order to increase the practicality of device, one side of guardrail 7 is rotated and is connected with axis of rotation 31, the middle part welding of axis of rotation 31 has rotor plate 32, the top welding of rotor plate 32 has fixture block 33, draw-in groove 701 has been seted up to one side of guardrail 7, after the top of workman arrival device, through rotating rotor plate 32, make rotor plate 32 rotatory 90 degrees, fixture block 33 gets into among the draw-in groove 701 of guardrail, rotor plate 32 is the level form this moment, the workman can sit on rotor plate 32, avoid the workman to stand for a long time.
When the lifting device is used, the hydraulic rod 21 is lifted through a hydraulic system, the hydraulic rod 21 drives the second fixing plate 15 to ascend, the second fixing plate 15 drives the first fixing plate 13, the first fixing plate 13 drives the two second fixing rods 6 and the first fixing plate 11 to ascend, the two second fixing rods 6 drive the first telescopic group to stretch, the first telescopic rod 4 and the first moving rod 5 are separated from each other, the pedal 2 at the top end is lifted through the first fixing plate 11, the pedal 2 is horizontal because the first fixing plate 11 is horizontal, and meanwhile, all the pedals 2 are always horizontal because the first telescopic group and the second telescopic group are parallel to each other, a worker can get to the top end of the lifting device through the pedal 2 for maintenance, and the pedal 2 is fixed through the first fixing rod 3 and the fourth fixing rod 25, so that the lifting device is wide and cannot damage feet of the worker;
the threaded rod 9 can be rotated by rotating the rocker 8, the first fixing plate 13 is lifted or descended by the threaded rod 9, and the top end pedal 2 can be lifted or descended, so that the height of a worker positioned at the top end of the device can be conveniently adjusted;
when the hydraulic rod 21 rises, the third fixing plate 17 is driven to rise, the third fixing plate 17 drives the guide plate 17 to rise, the guide plate 17 enables the supporting column 19 to rotate through the inclined guide groove 1801, the bottom end of the supporting column 19 is in contact with the ground, the base 1 is fixed, and the device is prevented from moving randomly when in use;
after the worker reaches the top end of the device, the rotating plate 32 is rotated by 90 degrees by rotating the rotating plate 32, the clamping block 33 enters the clamping groove 701 of the guardrail, the rotating plate 32 is horizontal at the moment, the worker can sit on the rotating plate 32, and the worker is prevented from standing for a long time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A power transformation and distribution maintenance device comprises a base (1) and is characterized in that two first fixing rods (3) are arranged at the top end of the base (1), a pedal (2) is arranged between the two first fixing rods (3), two fourth fixing rods (25) are arranged on one side of the pedal (2), a plurality of first telescopic groups and second telescopic groups are respectively arranged at the top ends of the first fixing rods (3) and the fourth fixing rods (25), each first telescopic group comprises a first telescopic rod (4) and a first moving rod (5), each second telescopic group comprises a plurality of second telescopic rods (24) and second moving rods (23), a hydraulic system and a hydraulic rod (21) are arranged at the top end of the base (1), a third fixing plate (17) is arranged at the top end of the hydraulic rod (21), a fixing column (16) is arranged at the top end of the third fixing plate (17), a second fixing plate (15) is arranged at the top end of the fixing column (16), a first fixing plate (13) is arranged at the top end of the second fixing plate (15), two second fixing rods (6) are welded with the first fixing rods (14), and one side of the third fixing rods (14) is provided with the first fixing rod (14), the pedal (2) is connected with the top end of the first positioning plate (11) in a sliding mode.
2. A power transformation, distribution and maintenance device as claimed in claim 1, wherein a third supporting column (26) is arranged at the top end of the base (1), a second positioning plate (27) is arranged at the top end of the third supporting column (26), a sliding block (29) is arranged at the top ends of the first positioning plate (11) and the second positioning plate (27), the sliding block (29) is T-shaped, a T-shaped sliding slot is arranged at the bottom end of the pedal (2), and the sliding block (29) is arranged inside the T-shaped sliding slot.
3. A power transformation and distribution maintenance device according to claim 1, characterized in that said first fixing plate (13) is provided with a placing box (10) at one side, and two box doors (1001) are provided at one side of the placing box (10).
4. A power transformation and distribution maintenance device according to claim 1, wherein a threaded through hole is formed in the middle of the second fixing plate (15), a threaded rod (9) is arranged at the threaded through hole of the second fixing plate (15), the bottom end of the threaded rod (9) is rotatably connected with the fixing column (16), a circular through hole is formed in the middle of the first fixing plate (13), the threaded rod (9) penetrates through the first fixing plate (13) at the circular through hole, and the top end of the threaded rod (9) is provided with a rocker (8).
5. A power transformation and distribution maintenance device according to claim 1, characterized in that the top end of the first fixing plate (13) is provided with a guardrail (7).
6. A power transformation, distribution and maintenance device according to claim 1, wherein a third fixing plate (17) is arranged at the top end of the hydraulic rod (21), guide plates (18) are arranged on both sides of the third fixing plate (17), one side of each guide plate (18) is inclined, a guide groove (1801) is formed in one side of each guide plate (18), a fixing block (20) is arranged at the top end of the base (1), a support column (19) is arranged on one side of each fixing block (20), and the top end of each support column (19) is located inside the corresponding guide groove (1801).
7. A power transformation and distribution maintenance device according to claim 1, characterized in that the bottom end of the base (1) is provided with universal wheels (28).
8. A power transformation and distribution maintenance device according to claim 1, characterized in that the bottom end of the first positioning plate (11) is provided with a first supporting rod (12), and one end of the first supporting rod (12) is fixedly connected with the first fixing plate (13).
9. A power transformation and distribution maintenance device according to claim 1, wherein the bottom ends of the first telescopic rod (4) and the second telescopic rod (24) are provided with a limiting plate (30).
10. A power transformation and distribution maintenance device as claimed in claim 5, wherein a rotating shaft (31) is arranged on one side of the guardrail (7), a rotating plate (32) is arranged in the middle of the rotating shaft (31), a clamping block (33) is arranged at the top end of the rotating plate (32), and a clamping groove (701) is formed on one side of the guardrail (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011152278.2A CN112421455B (en) | 2020-10-26 | 2020-10-26 | Power transformation and distribution maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011152278.2A CN112421455B (en) | 2020-10-26 | 2020-10-26 | Power transformation and distribution maintenance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112421455A CN112421455A (en) | 2021-02-26 |
| CN112421455B true CN112421455B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011152278.2A Active CN112421455B (en) | 2020-10-26 | 2020-10-26 | Power transformation and distribution maintenance device |
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| CN (1) | CN112421455B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2726088C (en) * | 2010-12-21 | 2018-02-20 | 1570094 Alberta Ltd. | A mobile lift platform |
| CN202244102U (en) * | 2011-09-06 | 2012-05-30 | 李刚 | Vehicular automatic escalator for boarding |
| CN204040879U (en) * | 2014-07-16 | 2014-12-24 | 金东纸业（江苏）股份有限公司 | Step ladder |
| CN104124628B (en) * | 2014-07-25 | 2017-01-18 | 国家电网公司 | Combined type maintenance platform |
| CN205840761U (en) * | 2016-07-01 | 2016-12-28 | 浙江嘉华装饰有限公司 | A kind of packaged type construction raises ladder |
| CN111214046A (en) * | 2018-11-26 | 2020-06-02 | 重庆凯立仪器有限公司 | Goods placing frame convenient to detach and climb |
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2020
- 2020-10-26 CN CN202011152278.2A patent/CN112421455B/en active Active
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| CN112421455A (en) | 2021-02-26 |
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Effective date of registration: 20231214 Address after: 214037 Mingdu Building 1-2202, No. 88 Huishan Avenue, Huishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi Yingkerui Intelligent Technology Co.,Ltd. Address before: 430068 No. 28 Nanli Road, Hongshan District, Wuhan City, Hubei Province Patentee before: HUBEI University OF TECHNOLOGY |