CN110697566B - Object safety suspension device is used in electric wire netting installation convenient to assemble - Google Patents
Object safety suspension device is used in electric wire netting installation convenient to assemble Download PDFInfo
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- CN110697566B CN110697566B CN201911044903.9A CN201911044903A CN110697566B CN 110697566 B CN110697566 B CN 110697566B CN 201911044903 A CN201911044903 A CN 201911044903A CN 110697566 B CN110697566 B CN 110697566B
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- 239000000725 suspension Substances 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 210000001503 joint Anatomy 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses an object safety suspension device convenient for assembling for installing a power grid, which comprises a support frame, a connecting shaft, a steel wire rope and a fixing block, wherein the connecting shaft penetrates through the outer side of the support frame, an accommodating groove is formed in the inner side of the outer end of the support frame, a butt joint block is arranged on the inner side of the accommodating groove, a transmission gear is rotatably connected to the inner side of the support frame, a traction rope is arranged on the outer side of the transmission gear and connected with the inner surface of the support frame, a first sliding groove is formed in the upper end surface of the support frame, and a first spring is fixedly connected to the inner side of the. This object safety suspension device is used in electric wire netting installation convenient to assemble, butt joint piece will atress in advance and stable activity upwards to through with draw transmission structure between the steel cable, stable drive movable block and stopper are automatic to carry out from spacing work to the horizontal position both sides of article, have guaranteed the article of integrated device and have suspended in midair the security.
Description
Technical Field
The invention relates to the technical field of power grid installation, in particular to an object safety suspension device for power grid installation, which is convenient to assemble.
Background
With the continuous development of the electric power communication industry in China, the power grid project which is visible everywhere is increased year by year, the power grid is a whole formed by a substation and power transmission and distribution lines of various voltages in an electric power system, the main task of the power grid is to transmit and distribute electric energy and change the voltage, when a power grid workpiece is installed, people need to transmit rods and the like through a safety suspension device so as to facilitate the assembly operation of people at high altitude, but the existing object safety suspension device for installing the power grid has certain defects, such as:
1. for example, the boiler tube bank suspension device with the publication number of CN202032555U can simply suspend a tube bank, provides a good condition for the forced expansion of the tube bank, and avoids the interference with other parts, and the existing object safety suspension device has a large volume, so that a user cannot conveniently and rapidly assemble the boiler tube bank suspension device with a lifting device, and further certain use defects are brought to the overhaul or transfer work of the boiler tube bank suspension device;
2. when the existing object safety suspension device for power grid installation is used for suspending workpieces, the suspension part is prone to shaking, the placement stability of the workpieces cannot be fully guaranteed, the dangerous phenomenon that the workpieces fall off easily occurs in the working process, certain potential safety hazards exist, and users need to attach importance to the potential safety hazard.
In order to solve the problems, innovative design is urgently needed on the basis of the original object safety suspension device structure.
Disclosure of Invention
The invention aims to provide a safe suspension device for an object for installing a power grid, which is convenient to assemble, and aims to solve the problems that a user cannot conveniently and rapidly assemble the object and a lifting device, certain use defects are brought to the overhaul or transfer work of the object, the suspension part is easy to shake, the placement stability of a workpiece cannot be fully ensured, and the dangerous phenomenon of falling is easy to occur in the working process.
In order to achieve the purpose, the invention provides the following technical scheme: an object safety suspension device for installing a power grid convenient to assemble comprises a support frame, a connecting shaft, a steel wire rope and a fixed block, wherein the outer side of the support frame is provided with the connecting shaft in a penetrating way, the inner side of the outer end of the support frame is provided with an accommodating groove, the inner side of the accommodating groove is provided with a butt joint block, the inner side of the support frame is rotatably connected with a transmission gear, the outer side of the transmission gear is provided with a traction rope, the traction rope is connected with the inner surface of the support frame, the upper end surface of the support frame is provided with a first sliding groove, the inner side of the first sliding groove is fixedly connected with a first spring, the outer side of the first spring is fixedly connected with a movable block, the movable block is connected with the first sliding groove, the outer surface of the movable block is provided with a second sliding groove, the outer side of the second sliding groove, the middle-end of support frame runs through and installs the mounting panel, and the middle-end of mounting panel runs through and installs the threaded rod to the lower extreme fixedly connected with wedge of threaded rod, the hole groove has been seted up to the outer end of support frame inside, and the inboard of hole groove has seted up the spacing groove to the spacing groove is connected with the internal surface of support frame, wire rope is installed to the upper end of butt joint piece, and wire rope's outside fixedly connected with fixed block.
Preferably, the butt joint block forms a telescopic structure with the inner side of the support frame through the accommodating groove, the height of the upper end face of the butt joint block is higher than that of the upper end face of the support frame, and the butt joint block is meshed with the transmission gear.
Preferably, the movable block forms a sliding structure with the transmission gear through the hauling rope, and the movable block forms a telescopic structure with the inner side of the first sliding groove through the first spring, and the length of the movable block is greater than that of the support frame.
Preferably, the limiting block and the outer surface of the movable block form a telescopic structure through the connecting frame, and the limiting block and the magnet on the outer side of the movable block are homonymous magnetic poles.
Preferably, the mounting panel is provided with second spring and slider, and the lower extreme fixedly connected with second spring of mounting panel to the second spring is connected with the slider, and the slider is connected with the lower extreme of mounting panel simultaneously.
Preferably, the number of the sliding blocks is 2 symmetrically arranged about the center point of the mounting plate, the sliding blocks are in an inclined structure, and the sliding blocks and the inner surface of the mounting plate form a telescopic structure through second springs.
Preferably, the threaded rod is connected with the mounting plate in a nested mode, the threaded rod forms a sliding structure with the sliding block through the wedge block, and the outer surface of the wedge block is attached to the outer surface of the sliding block.
Preferably, the spacing groove is provided with 3 about the central point of support frame equidistant, and the support frame passes through the spacing groove and constitutes dismantlement mounting structure with the mounting panel.
Preferably, 4 steel wire ropes are symmetrically arranged around the central point of the support frame, the 4 steel wire ropes are in through connection with the fixing block, and the 4 steel wire ropes are combined to form a square structure.
Compared with the prior art, the invention has the beneficial effects that: the object safety suspension device for installing the power grid is convenient to assemble;
1. the self-adaptive movable block is arranged, and along with the suspension work of a user on the support frame through a preset lifting device, the butt-joint block is stressed in advance and moves upwards stably, so that the transmission gear meshed with the butt-joint block is driven to rotate synchronously, and the movable block and the limiting block are stably driven to automatically perform self-limiting work on two sides of the horizontal position of an object through a transmission structure between the butt-joint block and the traction steel rope, so that the falling phenomenon of the movable block and the limiting block is avoided, and the object suspension safety of the whole device is ensured;
2. the detachable mounting plate is arranged, a user can adjust the mounting position of the mounting plate according to the vertical heights of different types of objects, the threaded rod is held by hands to drive the wedge-shaped block to move downwards, the contact sliding block can be pushed to move outwards, and then 2 support frames are stably limited and fixed, the vertical firmness of the objects is guaranteed, meanwhile, the butt joint stability of the whole device is further enhanced, and after the work is finished, the user can fold and store the whole device through the connecting shaft;
3. the steel wire ropes distributed at equal angles are arranged, and the steel wire ropes and the fixed blocks distributed at equal angles are 4, so that the device can stably suspend 2 support frames, the stability of the device during hoisting is improved, the phenomenon that the prefabricated part drops due to large amplitude shaking in the working process is avoided, and the quality safety of the prefabricated part and the personal safety of a user are guaranteed.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a front cross-sectional view of the support frame of the present invention;
FIG. 3 is a schematic top view of the movable block of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is a front cross-sectional structural schematic view of the mounting plate of the present invention;
fig. 6 is a schematic perspective view of the fixing block according to the present invention.
In the figure: 1. a support frame; 2. a connecting shaft; 3. a containing groove; 4. a butt joint block; 5. a transmission gear; 6. a hauling rope; 7. a first chute; 8. a first spring; 9. a movable block; 10. a second chute; 11. a connecting frame; 12. a limiting block; 13. mounting a plate; 1301. a second spring; 1302. a slider; 14. a threaded rod; 15. a wedge block; 16. a hole groove; 17. a limiting groove; 18. a wire rope; 19. a fixed block; 20. and a magnet.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an object safety suspension device for installing a power grid convenient to assemble comprises a support frame 1, a connecting shaft 2, an accommodating groove 3, a butt joint block 4, a transmission gear 5, a traction rope 6, a first sliding groove 7, a first spring 8, a movable block 9, a second sliding groove 10, a connecting frame 11, a limiting block 12, an installation plate 13, a threaded rod 14, a wedge-shaped block 15, a hole groove 16, a limiting groove 17, a steel wire rope 18, a fixed block 19 and a magnet 20, wherein the connecting shaft 2 is installed on the outer side of the support frame 1 in a penetrating manner, the accommodating groove 3 is formed in the inner side of the outer end of the support frame 1, the butt joint block 4 is installed on the inner side of the accommodating groove 3, the transmission gear 5 is rotatably connected to the inner side of the support frame 1, the traction rope 6 is installed on the outer side of the transmission gear 5, the traction rope 6 is connected with the inner surface of the support frame 1, outside fixedly connected with movable block 9 of first spring 8, and movable block 9 is connected with first spout 7, second spout 10 has been seted up to the surface of movable block 9, and link 11 is installed in the outside of second spout 10, the outside of link 11 is rotated and is connected with stopper 12, and stopper 12 and movable block 9's outside bolt installs magnet 20, mounting panel 13 has been run through to install the middle-end of support frame 1, and mounting panel 13's middle-end runs through installs threaded rod 14, and threaded rod 14's lower extreme fixedly connected with wedge 15, hole groove 16 has been seted up to the outside of support frame 1 inside, and spacing groove 17 has been seted up to hole groove 16's inboard, and spacing groove 17 is connected with the internal surface of support frame 1, wire rope 18 is installed to the upper end of butt joint piece 4, and wire rope 18's outside fixedly connected with fixed block 19.
The butt joint block 4 and the inner side of the support frame 1 form a telescopic structure through the accommodating groove 3, the height of the upper end face of the butt joint block 4 is higher than that of the upper end face of the support frame 1, the butt joint block 4 is in meshed connection with the transmission gear 5, and the butt joint block 4 can drive the meshed transmission gear 5 to synchronously rotate circumferentially while moving upwards along the inner side of the support frame 1;
the movable block 9 and the transmission gear 5 form a sliding structure through the traction rope 6, the movable block 9 and the inner side of the first sliding groove 7 form a telescopic structure through the first spring 8, the length of the movable block 9 is larger than that of the support frame 1, and when the transmission gear 5 rotates, the movable block 9 can be driven by the traction rope 6 to stably perform position adjustment sliding along the inner side of the support frame 1;
the limiting block 12 and the outer surface of the movable block 9 form a telescopic structure through the connecting frame 11, the limiting block 12 and the magnet 20 on the outer side of the movable block 9 are homonymous magnetic poles, and the compressed limiting block 12 can stably buffer and support through 2 groups of magnets 20 with the homonymous magnetic poles;
the mounting plate 13 is provided with a second spring 1301 and sliders 1302, the lower end of the mounting plate 13 is fixedly connected with the second spring 1301, the second spring 1301 is connected with the sliders 1302, the sliders 1302 are connected with the lower end of the mounting plate 13, 2 sliders 1302 are symmetrically arranged about the center point of the mounting plate 13, the sliders 1302 are in an inclined structure, the sliders 1302 form a telescopic structure with the inner surface of the mounting plate 13 through the second spring 1301, and the 2 sliders 1302 which are pressed can move outwards along the lower end of the inner surface of the mounting plate 13 until the sliders are stably abutted with the inner side of the support frame 1;
the threaded rod 14 is connected with the mounting plate 13 in a nested manner, the threaded rod 14 and the sliding block 1302 form a sliding structure through the wedge block 15, the outer surface of the wedge block 15 is attached to the outer surface of the sliding block 1302, and the downward moving wedge block 15 can stably extrude 2 sliding blocks 1302 so as to enable the sliding blocks to move outwards in a sliding manner;
3 limiting grooves 17 are arranged at equal intervals relative to the central point of the support frame 1, and the support frame 1 and the mounting plate 13 form a dismounting and mounting structure through the limiting grooves 17, so that a user can conveniently dismount and mount the mounting state between the mounting plate 13 and the support frame 1;
The working principle is as follows: when the object safety suspension device convenient for assembling for installing the power grid is used, according to the figures 1, 4 and 5, the device is firstly placed at a position needing to work, then 2 support frames 1 are outwards unfolded along a connecting shaft 2, then 4 steel wire ropes 18 are butted along the outer sides of butting blocks 4, the tail ends of the steel wire ropes are butted with an external hoisting device, then a user can stably place the object needing to be suspended along the upper ends of the 2 support frames 1, after the position of the object is determined, the user holds the mounting plate 13 in a hand to be butted into a hole slot 16 formed by combining the 2 support frames 1, the mounting position of the mounting plate 13 is adjusted according to the vertical height of different types of objects, after the position is determined, the user can hold the mounting plate 13 by hand to drive 2 threaded rods 14 to rotate, at the moment, the threaded rods 14 drive wedge blocks 15 connected with the lower ends of the threaded rods to synchronously move downwards, the wedge block 15 will contact and push the sliding block 1302, so that the sliding block 1302 stretches the second spring 1301 outwards and moves outwards until the sliding block 1302 is stably abutted and clamped into the limiting groove 17 at the corresponding position, and therefore 2 support frames 1 are stably limited and fixed, vertical firmness of objects is guaranteed, and meanwhile abutting stability of the whole device is further enhanced;
according to the figures 1-3, after the vertical position of the object is limited by the mounting plate 13, the user can suspend 4 steel wire ropes 18 by an external hoisting device, at this time, the butt-joint block 4 connected with the lower end of the steel wire rope 18 is pre-stressed and moves upwards along the outer end of the support frame 1, the transmission gear 5 meshed with the outer side of the butt-joint block 4 moves upwards synchronously and circularly rotates along the inside of the support frame 1, and further drives the traction rope 6 arranged on the outer side of the butt-joint block to synchronously wind, at this time, the traction rope 6 drives the movable blocks 9 connected with the tail ends of the traction rope to slide oppositely, the first spring 8 connected with the traction rope is in a stretching state, at this time, the movable blocks 9 displaced drive the limiting blocks 12 to be close to and contacted with the outer side of the object synchronously, and according to the widths of different types of objects, the limiting, and the repulsion force between the inner 2 groups of same-name magnetic pole magnets 20 is matched to stably support and limit the transverse position of the object, so that the object placing stability of the whole device is further ensured;
according to fig. 1 and fig. 6, the user can be stable through external hoisting accessory at this moment through wire rope 18 and the fixed block 19 of angular distribution such as 4, carry out suspension work to 2 support frames 1, avoid producing rocking by a wide margin in the course of the work, the quality safety of prefabricated component and user's personal safety have been guaranteed, and after waiting to work, the user can dismantle wire rope 18 and butt joint piece 4, and dismantle mounting panel 13, then alright fold the work of accomodating through connecting axle 2 to 2 support frames 1 that the volume is great, whole practicality has been increased.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an object safety suspension device is used in electric wire netting installation convenient to assemble, includes support frame (1), connecting axle (2), first spring (8), movable block (9), wire rope (18), second spring (1301) and fixed block (19), its characterized in that: the outer side of the support frame (1) is provided with a connecting shaft (2) in a penetrating manner, the inner side of the outer end of the support frame (1) is provided with a containing groove (3), the inner side of the containing groove (3) is provided with a butt joint block (4), the inner side of the support frame (1) is rotatably connected with a transmission gear (5), the outer side of the transmission gear (5) is provided with a traction rope (6), the traction rope (6) is connected with the inner surface of the support frame (1), the upper end face of the support frame (1) is provided with a first sliding groove (7), the inner side of the first sliding groove (7) is fixedly connected with a first spring (8), the outer side of the first spring (8) is fixedly connected with a movable block (9), the movable block (9) is connected with the first sliding groove (7), the outer surface of the movable block (9) is provided with a second sliding groove (10), and the outer, the outside of link (11) is rotated and is connected with stopper (12), and magnet (20) are installed to the outside bolt of stopper (12) and movable block (9), mounting panel (13) are installed to the middle-end run-through of support frame (1), and the middle-end run-through of mounting panel (13) installs threaded rod (14) to the lower extreme fixedly connected with wedge (15) of threaded rod (14), hole groove (16) have been seted up to the outer end of support frame (1) inside, and the inboard of hole groove (16) has seted up spacing groove (17), and spacing groove (17) are connected with the internal surface of support frame (1), wire rope (18) are installed to the upper end of butt joint piece (4), and the outside fixedly connected with fixed block (19) of wire rope (18).
2. An object safety suspension device for electric network installation convenient to assemble according to claim 1, characterized in that: the butt joint block (4) forms a telescopic structure with the inner side of the support frame (1) through the accommodating groove (3), the height of the upper end face of the butt joint block (4) is higher than that of the upper end face of the support frame (1), and the butt joint block (4) is meshed with the transmission gear (5) and is connected with the transmission gear.
3. An object safety suspension device for electric network installation convenient to assemble according to claim 1, characterized in that: the movable block (9) forms a sliding structure with the transmission gear (5) through the traction rope (6), the movable block (9) forms a telescopic structure with the inner side of the first sliding groove (7) through the first spring (8), and the length of the movable block (9) is larger than that of the support frame (1).
4. An object safety suspension device for electric network installation convenient to assemble according to claim 1, characterized in that: the limiting block (12) and the outer surface of the movable block (9) form a telescopic structure through the connecting frame (11), and the limiting block (12) and the magnet (20) on the outer side of the movable block (9) are homonymy magnetic poles.
5. An object safety suspension device for electric network installation convenient to assemble according to claim 1, characterized in that: the mounting plate (13) is provided with a second spring (1301) and a sliding block (1302), the lower end of the mounting plate (13) is fixedly connected with the second spring (1301), the second spring (1301) is connected with the sliding block (1302), and meanwhile the sliding block (1302) is connected with the lower end of the mounting plate (13).
6. An object safety suspension device for electric network installation convenient to assemble according to claim 5, characterized in that: the number of the sliding blocks (1302) is 2, the sliding blocks (1302) are arranged symmetrically about the center point of the mounting plate (13), the sliding blocks (1302) are in an inclined structure, and the sliding blocks (1302) and the inner surface of the mounting plate (13) form a telescopic structure through second springs (1301).
7. An object safety suspension device for electric network installation convenient to assemble according to claim 5, characterized in that: the threaded rod (14) is connected with the mounting plate (13) in a nested mode, the threaded rod (14) forms a sliding structure with the sliding block (1302) through the wedge block (15), and the outer surface of the wedge block (15) is attached to the outer surface of the sliding block (1302).
8. An object safety suspension device for electric network installation convenient to assemble according to claim 1, characterized in that: spacing groove (17) are provided with 3 about the central point of support frame (1) equidistant, and support frame (1) constitutes through spacing groove (17) and mounting panel (13) and dismantles mounting structure.
9. An object safety suspension device for electric network installation convenient to assemble according to claim 1, characterized in that: wire rope (18) are provided with 4 about the central point symmetry of support frame (1), and 4 wire rope (18) and fixed block (19) are through connection to 4 wire rope (18) make up into square column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044903.9A CN110697566B (en) | 2019-10-30 | 2019-10-30 | Object safety suspension device is used in electric wire netting installation convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044903.9A CN110697566B (en) | 2019-10-30 | 2019-10-30 | Object safety suspension device is used in electric wire netting installation convenient to assemble |
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| Publication Number | Publication Date |
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| CN110697566A CN110697566A (en) | 2020-01-17 |
| CN110697566B true CN110697566B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911044903.9A Active CN110697566B (en) | 2019-10-30 | 2019-10-30 | Object safety suspension device is used in electric wire netting installation convenient to assemble |
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| CN (1) | CN110697566B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210972B (en) * | 2020-03-19 | 2021-01-22 | 岭南师范学院 | Movable hanging installation mechanism for synchronously pulling out grounding lead of power transformer |
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| US3913965A (en) * | 1972-07-12 | 1975-10-21 | Floatglas Gmbh | Carrying frame for giant glass sheets |
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| CN109650244A (en) * | 2018-12-21 | 2019-04-19 | 周李楠 | Barrel type transformer hoisting structure |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10266376B2 (en) * | 2017-09-24 | 2019-04-23 | The Boeing Company | Lifting method and apparatus |
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2019
- 2019-10-30 CN CN201911044903.9A patent/CN110697566B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB447995A (en) * | 1935-02-05 | 1936-05-29 | Arrol Moir | Improvements relating to raising and stacking bricks and the like |
| US3913965A (en) * | 1972-07-12 | 1975-10-21 | Floatglas Gmbh | Carrying frame for giant glass sheets |
| FR2453815A1 (en) * | 1979-04-09 | 1980-11-07 | Bekaert Jean | Safety lifting platform for pallets - has horizontal barriers connected to posts which automatically slide down when lifted |
| CN106939958A (en) * | 2017-03-31 | 2017-07-11 | 成都迅德科技有限公司 | A kind of host computer support frame |
| CN107879241A (en) * | 2017-12-14 | 2018-04-06 | 成都千里之行科技有限公司 | A kind of bridge construction reinforcing bar boom hoisting |
| CN108483222A (en) * | 2018-06-04 | 2018-09-04 | 安徽知之信息科技有限公司 | A kind of robotic conveyance hanger |
| CN109650244A (en) * | 2018-12-21 | 2019-04-19 | 周李楠 | Barrel type transformer hoisting structure |
| CN110182683A (en) * | 2019-06-28 | 2019-08-30 | 重庆建筑工程职业学院 | A kind of prefabricated member hanging device |
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| CN110697566A (en) | 2020-01-17 |
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