CN108928778B - Modular companion ladder for power maintenance - Google Patents
Modular companion ladder for power maintenance Download PDFInfo
- Publication number
- CN108928778B CN108928778B CN201810980065.5A CN201810980065A CN108928778B CN 108928778 B CN108928778 B CN 108928778B CN 201810980065 A CN201810980065 A CN 201810980065A CN 108928778 B CN108928778 B CN 108928778B
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- roller
- guide wheel
- fixedly connected
- pulley
- steel wire
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- 238000012423 maintenance Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
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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
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a combined elevator for power maintenance, which comprises a foot pad, a jack, a supporting seat, a driving device, an oil cylinder, a cross beam, a first guide wheel, a first steel wire rope, a connecting seat, a second guide wheel, a third guide wheel, a second steel wire rope, a second insulating frame, a first insulating frame, a manned platform, a buffer cushion, a fixed ladder, a first insulating block, a first pull rope, an insulating block and a second pull rope, wherein the first insulating frame is arranged on the supporting seat; the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, when in use, the first steel wire rope, the second steel wire rope, the first pull rope and the second pull rope are respectively in a tensioning state through the extension of the oil cylinder, then a worker stands in the manned platform, and when in lifting, the motor is started firstly to drive the first roller, the second roller, the third roller and the fourth roller to rotate, so that the first pull rope and the second pull rope are released when the first steel wire rope and the second steel wire rope are tightened, and the stability of the manned platform in working is ensured.
Description
The technical field is as follows:
the invention relates to the technical field of electric power overhaul, in particular to a combined type elevator for electric power maintenance.
Background art:
in electric power overhaul, a ladder for climbing is often needed to support the electric power overhaul personnel, and the electric power equipment at the higher position is overhauled, and when the overhaul personnel carry different overhaul tools, for some tools with smaller volume and weight, an operator can place the tool in the tool bag and only needs to take the tool out of the tool bag when in use, for tools with larger volume and weight, the maintainers can not carry the tools around, only can place the tools on the ground, and the maintainers need to get off the ladder and select the tools to continue electric power maintenance operation, or need subaerial staff, give the maintainer on the ladder with the instrument hand over, it is more time-consuming and laboursome when current companion ladder goes up and down in addition, hardly satisfy the needs that the maintainer used.
The invention content is as follows:
the present invention is directed to solving the above problems by providing a combined elevator for power maintenance, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a modular companion ladder for power maintenance, is equipped with the removal wheel including removing the base and removing the wheel, removes the base bottom, and its innovation point lies in: the device also comprises a foot pad, a jack, a supporting seat, a driving device, an oil cylinder, a cross beam, a first guide wheel, a first steel wire rope, a connecting seat, a second guide wheel, a third guide wheel, a second steel wire rope, a second insulating frame, a first insulating frame, a manned platform, a buffer cushion, a fixed ladder, a first insulating block, a first pull rope, an insulating block and a second pull rope; the number of the supporting seats is four, the supporting seats are respectively and fixedly connected to the front and rear positions of the left side and the right side of the movable base, and jacks are fixedly connected to the bottoms of the supporting seats; the bottoms of the jacks are fixedly connected with foot pads; the driving device is fixedly connected to the upper surface of the movable base, and the right end of the driving device is fixedly connected with a fixed ladder; the bottom of the oil cylinder is fixedly connected to the left side of the upper surface of the driving device; the bottom of the connecting seat is fixedly connected to the top of the oil cylinder; the left side of the bottom of the cross beam is fixedly connected to the upper surface of the connecting seat; the guide wheel I is movably connected to the inner part of the left side of the cross beam; the guide wheel II is movably connected inside the center of the cross beam; the guide wheel III is movably connected inside the right side of the cross beam; the manned platform is positioned at the upper right side of the driving device; the bottom of the second insulating frame is fixedly connected to the right upper side of the manned platform, and the top of the second insulating frame is fixedly connected with one end of the second steel wire rope; the bottom of the first insulating frame is fixedly connected to the left upper side of the manned platform, and the top of the first insulating frame is fixedly connected with one end of the steel wire rope; the other end of the steel wire rope II is connected with the inside of the left side of the driving device through a guide wheel III and a guide wheel I; the other end of the first steel wire rope is connected with the inside of the left side of the driving device through a second guide wheel and a first guide wheel; the cushion pad is fixedly connected to the bottom of the manned platform; the first insulating block is fixedly connected to the right side of the bottom of the manned platform, and the bottom of the first insulating block is fixedly connected with one end of the pull rope; the insulating block is fixedly connected to the left side of the bottom of the manned platform, and the bottom of the insulating block is fixedly connected with one end of the pull rope.
Preferably, the cylinder is a multi-stage cylinder.
Preferably, the bumper pad is made of a rubber material.
Preferably, the driving device specifically comprises a driving rack, a motor, a reduction gearbox, a roller rack, a roller I, a roller II, a roller III, a roller IV, a pull rope inlet, a guide wheel set I, a pulley I, a guide wheel set II, a pulley III, a pulley IV, a steel wire rope inlet and a pulley V; the motor is fixedly connected to the left lower side inside the driving rack, and the right output shaft of the motor is fixedly connected with the left input shaft of the reduction gearbox; the roller frame is fixedly connected to the lower right side inside the driving frame, the reduction gearbox is fixedly connected to the left end of the roller frame, and the first roller, the second roller, the third roller and the fourth roller are movably connected inside the roller frame from left to right in sequence; the first roller, the second roller, the third roller and the fourth roller are fixedly connected with each other, and the center of the left end of the first roller is fixedly connected with an output shaft on the right side of the reduction box; the pull rope inlet is arranged at the upper right side of the driving rack, the right side inside the pull rope inlet is movably connected with a guide wheel group I, and the left side inside the pull rope inlet is movably connected with a guide wheel group II; the pulley I is positioned on the upper side of the roller III and is movably connected to the upper side inside the driving rack; the pulley II and the pulley III are respectively positioned on the upper sides of the roller II and the roller I, and are movably connected to the upper side inside the driving rack; the steel wire rope inlet is arranged at the left upper side of the driving rack, and the lower side of the steel wire rope inlet is movably connected with a pulley IV and a pulley V respectively; the other end of the steel wire rope II is clockwise wound on the roller II through the pulley IV and the pulley II; the other end of the first steel wire rope is clockwise wound on the first roller through a fifth pulley and a third pulley; the other end of the pull rope is wound on the fourth roller in an anticlockwise mode through the guide wheel group I; the other end of the second pull rope is wound on the third roller in an anticlockwise mode through the second guide wheel set and the first pulley.
Preferably, the motor is a servo motor or a variable frequency motor.
Preferably, the guide wheel set two and the guide wheel set one have the same structure.
Preferably, a specific structure of the guide wheel set comprises a left guide wheel and a right guide wheel, and the right guide wheel is arranged on the right side of the left guide wheel.
The invention has the beneficial effects that: the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, when in use, firstly, the first steel wire rope, the second steel wire rope, the first pull rope and the second pull rope are respectively in a tensioned state through the extension of the oil cylinder, then, a worker stands in the manned platform, when in lifting, the motor is firstly started to drive the first roller, the second roller, the third roller and the fourth roller to rotate, and here, because the first steel wire rope and the second steel wire rope are respectively clockwise wound on the first roller and the second roller, and the first pull rope and the second pull rope are respectively anticlockwise wound on the fourth roller and the third roller, the first pull rope and the second pull rope are loosened when the first steel wire rope and the second steel wire rope are tightened, the first steel wire rope, the second steel wire rope, the first pull rope and the second pull rope are always in a tensioned state when the manned platform moves up and down, thereby ensuring, the manned platform is directly driven by the steel wire rope to move up and down, and the lifting efficiency can be effectively improved.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the driving device.
Fig. 3 is a schematic structural diagram of the first guide wheel set.
1-moving the base; 2-a moving wheel; 3-a foot pad; 4-a jack; 5-a support seat; 6-a drive device; 7-oil cylinder; 8-a cross beam; 9-a guide wheel I; 10-a first steel wire rope; 11-a connecting seat; 12-a second guide wheel; 13-guide wheel III; 14-steel wire rope II; 15-insulating frame two; 16-an insulation frame I; 17-manned platform; 18-a cushion pad; 19-fixing a ladder; 20, an insulating block I; 21-pulling a rope I; 22-an insulating block; 23-a second rope pulling device; 61-a drive housing; 62-a motor; 63-reduction box; 64-a drum frame; 65-roller one; 66-roller two; 67-roller three; 68-cylinder four; 69-rope inlet; 610-guide wheel group one; 611, a first pulley; 612-guide wheel group two; 613-pulley two; 614-Pulley three; 615-Pulley four; 616-wire rope entrance; 617-Pulley five; 6101-left guide wheel; 6102-right guide wheel.
The specific implementation mode is as follows:
as shown in fig. 1, the following technical solutions are adopted in the present embodiment: a combined elevator for power maintenance comprises a movable base 1 and movable wheels 2, wherein the movable wheels 2 are arranged at the bottom of the movable base 1, and the combined elevator further comprises foot pads 3, a jack 4, a supporting seat 5, a driving device 6, an oil cylinder 7, a cross beam 8, a first guide wheel 9, a first steel wire rope 10, a connecting seat 11, a second guide wheel 12, a third guide wheel 13, a second steel wire rope 14, a second insulating frame 15, a first insulating frame 16, a manned platform 17, a cushion pad 18, a fixed ladder 19, a first insulating block 20, a first pull rope 21, an insulating block 22 and a second pull rope 23; the number of the supporting seats 5 is four, the supporting seats 5 are respectively and fixedly connected to the front and rear positions of the left side and the right side of the movable base 1, and the bottom of each supporting seat 5 is fixedly connected with a jack 4; the bottoms of the jacks 4 are fixedly connected with foot pads 3; the driving device 6 is fixedly connected to the upper surface of the movable base 1, and the right end of the driving device 6 is fixedly connected with a fixed ladder 19; the bottom of the oil cylinder 7 is fixedly connected to the left side above the driving device 6; the bottom of the connecting seat 11 is fixedly connected with the top of the oil cylinder 7; the left side of the bottom of the cross beam 8 is fixedly connected to the upper surface of the connecting seat 11; the guide wheel I9 is movably connected to the inner part of the left side of the cross beam 8; the guide wheel II 12 is movably connected inside the center of the cross beam 8; a third guide wheel 13 is movably connected inside the right side of the cross beam 8; the manned platform 17 is positioned at the upper right side of the driving device 6; the bottom of the second insulating frame 15 is fixedly connected to the right upper side of the manned platform 17, and the top of the second insulating frame 15 is fixedly connected with one end of the second steel wire rope 14; the bottom of the first insulation frame 16 is fixedly connected to the left upper side of the manned platform 17, and the top of the first insulation frame 16 is fixedly connected with one end of the first steel wire rope 10; the other end of the second steel wire rope 14 is connected with the inside of the left side of the driving device 6 through a third guide wheel 13 and a first guide wheel 9; the other end of the first steel wire rope 10 is connected with the inside of the left side of the driving device 6 through a second guide wheel 12 and a first guide wheel 9; the cushion pad 18 is fixedly connected to the bottom of the manned platform 17; the first insulating block 20 is fixedly connected to the right side of the bottom of the manned platform 17, and the bottom of the first insulating block 20 is fixedly connected with one end of the first pull rope 21; the insulating block 22 is fixedly connected to the left side of the bottom of the manned platform 17, and the bottom of the insulating block 22 is fixedly connected with one end of the second pull rope 23.
Wherein, the oil cylinder 7 is a multi-stage oil cylinder; the cushion pad 18 is made of a rubber material.
As shown in fig. 2, the driving device 6 specifically includes a driving frame 61, a motor 62, a reduction box 63, a roller frame 64, a roller one 65, a roller two 66, a roller three 67, a roller four 68, a rope inlet 69, a guide pulley group one 610, a pulley one 611, a guide pulley group two 612, a pulley two 613, a pulley three 614, a pulley four 615, a steel wire rope inlet 616 and a pulley five 617; the motor 62 is fixedly connected to the left lower side inside the driving rack 61, and the right output shaft of the motor 62 is fixedly connected with the left input shaft of the reduction gearbox 63; the roller frame 64 is fixedly connected to the right lower side inside the driving frame 61, the reduction box 63 is fixedly connected to the left end of the roller frame 64, and the first roller 65, the second roller 66, the third roller 67 and the fourth roller 68 are movably connected to the inside of the roller frame 64 from left to right in sequence; the first roller 65, the second roller 66, the third roller 67 and the fourth roller 68 are fixedly connected with each other, and the center of the left end of the first roller 65 is fixedly connected with an output shaft on the right side of the reduction box 63; the pull rope inlet 69 is arranged at the upper right side of the driving rack 61, a first guide wheel set 610 is movably connected at the right side inside the pull rope inlet 69, and a second guide wheel set 612 is movably connected at the left side inside the pull rope inlet 69; the first pulley 611 is positioned on the upper side of the third roller 67, and the first pulley 611 is movably connected to the upper side inside the driving rack 61; the second pulley 613 and the third pulley 614 are respectively positioned at the upper sides of the second roller 66 and the first roller 65, and the second pulley 613 and the third pulley 614 are movably connected at the upper side inside the driving rack 61; a steel wire rope inlet 616 is arranged at the left upper side of the driving frame 61, and the lower side of the steel wire rope inlet 616 is movably connected with a pulley IV 615 and a pulley V617 respectively; the other end of the second steel wire rope 14 is clockwise wound on the second roller 66 through a fourth pulley 615 and a second pulley 613; the other end of the first steel wire rope 10 is wound on the first roller 65 clockwise through a fifth pulley 617 and a third pulley 614; the other end of the first pull rope 21 is wound on the fourth roller 68 in a counterclockwise direction through the first guide wheel group 610; the other end of the second pull rope 23 is wound on the third roller 67 in a counterclockwise direction through the second guide wheel set 612 and the first pulley 611.
Wherein, the motor 62 is a servo motor or a variable frequency motor; the second guide wheel set 612 has the same structure as the first guide wheel set 610.
As shown in fig. 3, the first guide wheel set 610 includes a left guide wheel 6101 and a right guide wheel 6102, and the right guide wheel 6102 is disposed on the right side of the left guide wheel 6101.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, when in use, firstly, the first steel wire rope 10, the second steel wire rope 14, the first pull rope 21 and the second pull rope 23 are respectively in a tensioning state through the extension of the oil cylinder 7, then a worker stands in the manned platform 17, when in lifting, the motor 62 is firstly started, so as to drive the first roller 65, the second roller 66, the third roller 67 and the fourth roller 68 to rotate, wherein, the first steel wire rope 10 and the second steel wire rope 14 are respectively clockwise wound on the first roller 65 and the second roller 66, the first pull rope 21 and the second pull rope 23 are respectively anticlockwise wound on the fourth roller 68 and the third roller 67, thereby ensuring that the first pull rope 21 and the second pull rope 23 are loosened when the first steel wire rope 10 and the second steel wire rope 14 are tightened, and ensuring that the first steel wire rope 10, the second steel wire rope 14, the first pull rope 21 and the second pull rope 23 are always in, thereby guaranteed manned platform 17 stability when working, directly here through wire rope drive manned platform 17 reciprocate, can effectual improvement lift efficiency.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (1)
1. The utility model provides a modular companion ladder for power maintenance, is equipped with removal wheel (2), its characterized in that including removing base (1) and removal wheel (2) bottom removal base (1):
the device comprises a support seat, a lifting jack, a support seat (5), a driving device (6), an oil cylinder (7), a cross beam (8), a guide wheel I (9), a steel wire rope I (10), a connecting seat (11), a guide wheel II (12), a guide wheel III (13), a steel wire rope II (14), an insulating frame II (15), an insulating frame I (16), a manned platform (17), a cushion pad (18), a fixed ladder (19), an insulating block I (20), a pull rope I (21), an insulating block (22) and a pull rope II (23);
the number of the supporting seats (5) is four, the supporting seats (5) are respectively and fixedly connected to the front and rear positions of the left side and the right side of the movable base (1), and jacks (4) are fixedly connected to the bottoms of the supporting seats (5); the bottoms of the jacks (4) are fixedly connected with foot pads (3); the driving device (6) is fixedly connected to the upper surface of the movable base (1), and the right end of the driving device (6) is fixedly connected with a fixed ladder (19); the bottom of the oil cylinder (7) is fixedly connected to the left side of the upper surface of the driving device (6); the bottom of the connecting seat (11) is fixedly connected with the top of the oil cylinder (7); the left side of the bottom of the cross beam (8) is fixedly connected to the upper surface of the connecting seat (11); the guide wheel I (9) is movably connected to the inner part of the left side of the cross beam (8); the guide wheel II (12) is movably connected inside the center of the cross beam (8); the guide wheel III (13) is movably connected inside the right side of the cross beam (8); the manned platform (17) is positioned at the right upper side of the driving device (6); the bottom of the second insulating frame (15) is fixedly connected to the right upper side of the manned platform (17), and the top of the second insulating frame (15) is fixedly connected with one end of the second steel wire rope (14); the bottom of the first insulating frame (16) is fixedly connected to the left upper side of the manned platform (17), and the top of the first insulating frame (16) is fixedly connected with one end of the first steel wire rope (10); the other end of the steel wire rope II (14) is connected with the inner part of the left side of the driving device (6) through a guide wheel III (13) and a guide wheel I (9); the other end of the first steel wire rope (10) is connected with the inner part of the left side of the driving device (6) through a second guide wheel (12) and a first guide wheel (9); the cushion pad (18) is fixedly connected to the bottom of the manned platform (17); the first insulating block (20) is fixedly connected to the right side of the bottom of the manned platform (17), and the bottom of the first insulating block (20) is fixedly connected with one end of the first pull rope (21); the insulating block (22) is fixedly connected to the left side of the bottom of the manned platform (17), and the bottom of the insulating block (22) is fixedly connected with one end of the second pull rope (23);
the driving device (6) specifically comprises a driving rack (61), a motor (62), a reduction gearbox (63), a roller rack (64), a roller I (65), a roller II (66), a roller III (67), a roller IV (68), a pull rope inlet (69), a guide wheel set I (610), a pulley I (611), a guide wheel set II (612), a pulley II (613), a pulley III (614), a pulley IV (615), a steel wire rope inlet (616) and a pulley V (617); the motor (62) is fixedly connected to the left lower side inside the driving rack (61), and the right output shaft of the motor (62) is fixedly connected with the left input shaft of the reduction gearbox (63); the roller frame (64) is fixedly connected to the right lower side inside the driving frame (61), the reduction box (63) is fixedly connected to the left end of the roller frame (64), and a roller I (65), a roller II (66), a roller III (67) and a roller IV (68) are movably connected to the inside of the roller frame (64) from left to right in sequence; the first roller (65), the second roller (66), the third roller (67) and the fourth roller (68) are fixedly connected with each other, and the center of the left end of the first roller (65) is fixedly connected with an output shaft on the right side of the reduction gearbox (63); the pull rope inlet (69) is arranged at the right upper side of the driving rack (61), the right side inside the pull rope inlet (69) is movably connected with a first guide wheel set (610), and the left side inside the pull rope inlet (69) is movably connected with a second guide wheel set (612);
the first pulley (611) is positioned on the upper side of the third roller (67), and the first pulley (611) is movably connected to the upper side inside the driving rack (61); the pulley II (613) and the pulley III (614) are respectively positioned at the upper sides of the roller II (66) and the roller I (65), and the pulley II (613) and the pulley III (614) are movably connected at the upper side in the driving rack (61); a steel wire rope inlet (616) is arranged at the left upper side of the driving rack (61), and the lower side of the steel wire rope inlet (616) is movably connected with a pulley four (615) and a pulley five (617) respectively; the other end of the steel wire rope II (14) is clockwise wound on the roller II (66) through a pulley IV (615) and a pulley II (613); the other end of the steel wire rope I (10) is clockwise wound on the roller I (65) through a pulley V (617) and a pulley III (614); the other end of the first pull rope (21) is wound on the fourth roller (68) in a counterclockwise way through a first guide wheel set (610); the other end of the second pull rope (23) is wound on the third roller (67) in a counterclockwise manner through a second guide wheel set (612) and a first pulley (611);
the specific structure of the guide wheel set I (610) comprises a left guide wheel (6101) and a right guide wheel (6102), wherein the right guide wheel (6102) is arranged on the right side of the left guide wheel (6101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980065.5A CN108928778B (en) | 2017-06-13 | 2017-06-13 | Modular companion ladder for power maintenance |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980065.5A CN108928778B (en) | 2017-06-13 | 2017-06-13 | Modular companion ladder for power maintenance |
| CN201710442923.6A CN107285250B (en) | 2017-06-13 | 2017-06-13 | Lift is used in a kind of maintenance of Combined type power |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710442923.6A Division CN107285250B (en) | 2017-06-13 | 2017-06-13 | Lift is used in a kind of maintenance of Combined type power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108928778A CN108928778A (en) | 2018-12-04 |
| CN108928778B true CN108928778B (en) | 2020-05-15 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810980065.5A Expired - Fee Related CN108928778B (en) | 2017-06-13 | 2017-06-13 | Modular companion ladder for power maintenance |
| CN201710442923.6A Active CN107285250B (en) | 2017-06-13 | 2017-06-13 | Lift is used in a kind of maintenance of Combined type power |
| CN201811196794.8A Withdrawn CN109160463A (en) | 2017-06-13 | 2017-06-13 | Lift is used in a kind of maintenance of Combined type power |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710442923.6A Active CN107285250B (en) | 2017-06-13 | 2017-06-13 | Lift is used in a kind of maintenance of Combined type power |
| CN201811196794.8A Withdrawn CN109160463A (en) | 2017-06-13 | 2017-06-13 | Lift is used in a kind of maintenance of Combined type power |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108928778B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29619018U1 (en) * | 1996-11-02 | 1997-03-20 | Bruger & Fischer Krananlagen und Hebezeuge GmbH & Co., 12277 Berlin | Cable lift with retraction cable |
| CN104828752A (en) * | 2015-03-18 | 2015-08-12 | 沈阳建筑大学 | Traction suspension device for fan repair |
| CN204960281U (en) * | 2015-09-29 | 2016-01-13 | 中建八局第二建设有限公司 | Automatic raise scaffold |
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|---|---|---|---|---|
| CN2844097Y (en) * | 2005-10-17 | 2006-12-06 | 檀成久 | The insulation aerial platform |
| JP5865018B2 (en) * | 2011-11-01 | 2016-02-17 | 住友ゴム工業株式会社 | Lifting device and method for adjusting rope tension of lifting device |
| DE202012002142U1 (en) * | 2012-03-05 | 2012-04-05 | Reinhold Mettenmeyer | hydraulic ramp |
| CN102602859B (en) * | 2012-03-28 | 2015-01-21 | 厦门大学 | Wire-traction wall lifting and carrying combining mechanism |
| CN105621327B (en) * | 2016-03-10 | 2017-12-01 | 方贞祥 | A kind of nacelle device for possessing double insurance |
| CN105692474A (en) * | 2016-04-02 | 2016-06-22 | 马宏 | Application of loader surrounding building and provided with trailer |
| CN205973684U (en) * | 2016-08-18 | 2017-02-22 | 国网湖南省电力公司带电作业中心 | Portable insulating operation device of ascending a height of distribution lines |
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2017
- 2017-06-13 CN CN201810980065.5A patent/CN108928778B/en not_active Expired - Fee Related
- 2017-06-13 CN CN201710442923.6A patent/CN107285250B/en active Active
- 2017-06-13 CN CN201811196794.8A patent/CN109160463A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29619018U1 (en) * | 1996-11-02 | 1997-03-20 | Bruger & Fischer Krananlagen und Hebezeuge GmbH & Co., 12277 Berlin | Cable lift with retraction cable |
| CN104828752A (en) * | 2015-03-18 | 2015-08-12 | 沈阳建筑大学 | Traction suspension device for fan repair |
| CN204960281U (en) * | 2015-09-29 | 2016-01-13 | 中建八局第二建设有限公司 | Automatic raise scaffold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109160463A (en) | 2019-01-08 |
| CN107285250B (en) | 2018-12-28 |
| CN107285250A (en) | 2017-10-24 |
| CN108928778A (en) | 2018-12-04 |
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