CN112875490A - Large-scale ring hoisting accessory - Google Patents
Large-scale ring hoisting accessory Download PDFInfo
- Publication number
- CN112875490A CN112875490A CN202110419229.9A CN202110419229A CN112875490A CN 112875490 A CN112875490 A CN 112875490A CN 202110419229 A CN202110419229 A CN 202110419229A CN 112875490 A CN112875490 A CN 112875490A
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- China
- Prior art keywords
- sleeve
- cover
- hook
- claw
- sliding
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- 210000000078 claw Anatomy 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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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- 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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
Abstract
The invention particularly relates to a large ring piece hoisting device, belongs to the technical field of hoists, and aims to provide a rapid and safe hoisting device for heavy ring pieces, which adopts the following scheme: the sliding cylinder sleeve is slidably sleeved on the sliding rod, the lower part of the sliding cylinder sleeve is hinged with a plurality of sleeve hooks, the lower end of the sliding rod is fixedly provided with at least three claw columns, the other ends of the claw columns are hinged with clamping jaws for clamping and positioning heavy ring pieces, the lower part of the sliding rod is provided with an upper sleeve and a lower sleeve at intervals, the upper sleeve is fixed with the sliding rod, the lower sleeve can slide relative to the sliding rod, when the lower end of each sleeve hook is lowered between the upper sleeve and the lower sleeve, the sleeve hook is hooked at the lower end of the upper sleeve, and when the lower end of each sleeve hook is lifted from the outer side of the lower sleeve, the lower sleeve blocks the sleeve; the lifting device improves the lifting safety of the ring piece, saves time and labor when the lifting device is transferred, and improves the working efficiency of lifting operation.
Description
Technical Field
The invention belongs to the technical field of lifting appliances, and particularly relates to a large ring piece lifting device.
Background
In the prior art, a hook is generally adopted to hang a ring piece for hoisting of a heavy ring piece, then a hoisting chain is used for hoisting the heavy ring piece, after the heavy ring piece is hoisted, the hoisting chain is firstly loosened to separate the hook from the heavy ring piece, and then the hoisting chain needs to be pulled to a certain height to move the hook away from the heavy ring piece area.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides the large-scale ring piece hoisting device, which can keep the stability of the ring piece when hoisting the heavy-duty ring piece, improve the hoisting safety of the ring piece, save time and labor during the transfer of the hoisting tool, and improve the working efficiency of hoisting operation.
In order to solve the technical problems, the invention adopts the technical scheme that: a large ring lifting device comprising: the lifting device comprises a sliding barrel sleeve, a sliding rod, claw columns, claws, a sling chain, an upper sleeve, a lower sleeve and sleeve hooks, wherein the sliding barrel sleeve is coaxially and vertically arranged in the axial direction and is sleeved outside the sliding rod in a sliding manner, the upper end of the sliding barrel sleeve is used for being connected with a lifting power device, such as a crane or a crane, at least two sleeve hooks are hinged to the lower portion of the sliding barrel sleeve, at least three claw columns are horizontally arranged at the lower end of the sliding rod and surround the sliding rod in an annular manner, one ends of the claw columns are fixed with the sliding rod, the other ends of the claw columns are respectively hinged with one claw, the claws and the sliding barrel sleeve are connected through the sling chain, when the sling chain is tensioned, the plurality of claws are used for clamping and positioning heavy ring pieces, the upper sleeve and the lower sleeve are arranged on the lower portion of the sliding rod in a matching manner, the upper sleeve and the lower sleeve are arranged at intervals up and down, and the upper sleeve and, the upper sleeve is fixed with the slide bar, the lower sleeve can slide up and down relative to the slide bar, when the lower end that the sleeve colluded falls to when the clearance between upper sleeve and the lower sleeve, the sleeve colludes the lower extreme of upper sleeve, lifts by crane power device start this moment and can directly lift by crane this hoist, works as the lower extreme that the sleeve colluded certainly when the lower sleeve outside rises, the collude end that the sleeve colluded because the gravity pressfitting that the sleeve colluded self is in the surface of lower sleeve, to the lower sleeve has frictional force, and is a plurality of the sleeve colludes the cooperation extrusion the lower sleeve can be mentioned the lower sleeve extremely the lower sleeve with the upper sleeve is adjacent, the lower sleeve is used for hindering the sleeve colludes the lower extreme of upper sleeve to the tensioning the lifting chain lifts by crane heavy ring spare.
The upper sleeve adopts a conical round platform structure.
The lower sleeve is of an inverted conical round table structure, and the diameter of the upper end face of the lower sleeve is larger than that of the lower end face of the upper sleeve. When the sleeve is lifted up, the sleeve is lifted up to be in contact with the upper sleeve, the sleeve is lifted up to be in upward sliding, when the sleeve is lifted up to be in slipping, the sleeve is lifted up to be gathered together in the rising process towards the direction of the sliding rod, the diameter of the upper end face of the lower sleeve is larger than that of the lower end face of the upper sleeve, the sleeve can be guaranteed to be gathered together to be lifted up to the upper part of the lower end of the upper sleeve before the upper sleeve, and the upper sleeve slides smoothly, and rises directly to tension the sling chain.
The diameter of the upper end face of the lower sleeve is 10 cm larger than that of the lower end face of the upper sleeve.
A guide disc is coaxially fixed on the upper end surface of the lower sleeve and can slide up and down relative to the sliding rod, the guide disc adopts a conical round table structure, and the guide disc can provide a certain distance of gap for the upper sleeve and the lower sleeve, so that the lower sleeve is adjacent to the upper sleeve but is not attached to the upper sleeve; when the sleeve hook needs to be separated from the upper sleeve, the sliding barrel sleeve descends, the sleeve hook descends along with the sliding barrel sleeve, and the hook end of the sleeve hook slides down to the periphery of the lower sleeve along the outer surface of the conical circular truncated cone of the guide disc and the surface of the lower sleeve, so that the sleeve hook is smoothly separated from the upper sleeve.
The lower end of the upper sleeve is coaxially provided with an accommodating cavity which can accommodate the upper part of the guide disc.
The middle part of jack catch with corresponding the claw post is articulated through the locating pin axle, the upper portion of jack catch with the sling chain is connected, the chucking part of jack catch lower part is used for laminating in the inboard of heavy ring spare, works as during the sling chain tensioning, the upper end of sling chain pulling claw post to the slide bar direction draws close, and the claw post rotates around the locating pin axle, and the lower extreme of claw post outwards rotates, and is a plurality of the jack catch lifts by crane heavy ring spare location through outer holding power, the chucking part is provided with anti-skidding line towards one side of heavy ring spare.
The clamping jaw is characterized in that a plurality of adjusting holes which are axially and horizontally arranged are formed in the jaw column, the positioning pin shaft can penetrate through the adjusting holes, the adjusting holes are uniformly formed in the length direction of the jaw column, the positioning pin shaft penetrates through the adjusting holes and the middle of the jaw to position the jaw, and the adjusting holes in different positions are used to adapt to heavy ring pieces with different diameters.
The claw post is close to the one end of jack catch all is provided with along its length direction's through hole, the jack catch runs through correspondingly the through hole sets up, will the jack catch articulates through the locating pin axle on the axis of claw post, more is favorable to guaranteeing the safe location of jack catch.
The lower extreme of slide sleeve cover is fixed with the positioning disk coaxially, the edge department of positioning disk is provided with the notch that the cover colluded and passes, the cover colludes corresponding notch relatively and to keeping away from and being close to the swing of the direction of slide sleeve cover, the notch is used for colluding corresponding the cover and carries out spacingly for the cover colludes and swings in the notch. And a lifting ring connected with the lifting power device is fixed at the upper end of the sliding cylinder sleeve.
The lower part of slide cylinder cover is fixed with a plurality of fixed otic placodes, fixed otic placodes with the jack catch one-to-one, the chain sling with corresponding fixed otic placode is connected, the upper end that the cover colluded with fixed otic placode is articulated.
The suspension chain is a steel chain.
Compared with the prior art, the invention has the following beneficial effects.
Firstly, the sliding barrel sleeve and the sliding rod which slide relatively are arranged, and the upper sleeve, the lower sleeve and the sleeve hook which are matched with each other are arranged, when the lower end of the sleeve hook is lowered to a gap between the upper sleeve and the lower sleeve, the sleeve hook is hooked at the lower end of the upper sleeve, the lifting appliance can be quickly and directly lifted, the lifting appliance is transferred in a time-saving and labor-saving manner, and the working efficiency of lifting operation is improved.
The clamping jaws are attached to the inner side of the heavy ring piece through tensioning of the lifting chain, the heavy ring piece is positioned, lifting and lowering of the heavy ring piece are facilitated, stability of the ring piece can be kept in the lifting process of the heavy ring piece, and safety of lifting of the ring piece is improved.
Thirdly, the guide disc is fixed on the upper end face of the lower sleeve, the guide disc is of a conical round table structure, and when the sleeve hook descends along with the sliding barrel sleeve, the hook end of the sleeve hook slides downwards to the outer side of the lower sleeve along the outer surface of the conical round table of the guide disc and the surface of the lower sleeve, so that the sleeve hook is smoothly separated from the upper sleeve, and the sleeve hook is conveniently separated from the upper sleeve for reuse.
According to the invention, the diameter of the upper end face of the lower sleeve is larger than that of the lower end face of the upper sleeve, so that the sleeve hook can smoothly slide through a gap between the upper sleeve and the lower sleeve when rising, and the heavy ring piece can be quickly lifted.
And the lower end of the upper sleeve is coaxially provided with an accommodating cavity capable of accommodating the upper part of the guide disc, and the upper part of the guide disc can enter the accommodating cavity in the ascending process of the guide disc, so that the distance between the upper gap and the lower gap of the upper sleeve and the lower sleeve is reduced, and the sleeve hook is further ensured to smoothly slide through the gap between the upper sleeve and the lower sleeve to ascend.
Sixth, the invention has reasonable structural design, is fast and convenient to use, and improves the lifting safety and the lifting speed of the heavy ring piece.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a front view of a large ring lifting device of the invention.
Fig. 2 is a top view of the large ring lifting device of the invention.
Fig. 3 is a state diagram I of the large ring piece hoisting device.
Fig. 4 is a state diagram II of the large ring piece hoisting device.
Fig. 5 is a sectional view of the large ring lifting device of the invention.
Fig. 6 is a cross-sectional view of an upper and lower case of the present invention.
In the figure: the device comprises a heavy ring part 1, a claw column 2, a positioning pin shaft 3, a claw 4, a sling chain 5, a sleeve hook 6, a sliding sleeve 7, a hanging ring 8, a fixed lug plate 9, a guide disc 10, a slide bar 11, an upper sleeve 12, a lower sleeve 13, a clamping part 14, an adjusting hole 15, a through hole 16, a guide disc 17 and an accommodating cavity 18.
Detailed Description
The following is a further description with reference to specific examples.
A large ring lifting device comprising: the lifting device comprises a sliding barrel sleeve 7, a sliding rod 11, claw columns 2, claws 4, a sling chain 5, an upper sleeve 12, a lower sleeve 13 and a sleeve hook 6, wherein the sliding barrel sleeve 7 is coaxially and slidably sleeved outside the sliding rod 11, the upper end of the sliding barrel sleeve 7 is used for being connected with a lifting power device, the lifting power device can adopt a travelling crane, the lower part of the sliding barrel sleeve 7 is hinged with at least two sleeve hooks 6, the sleeve hooks 6 are in a conventional hook shape, such as an L shape, the lower end of the sliding rod 11 is horizontally provided with three claw columns 2, the claw columns 2 surround the sliding rod 11 and are uniformly distributed in an annular shape, one end of each claw column 2 is fixed to the sliding rod 11, the other end of each claw column 2 is respectively hinged with one claw 4, the claw 4 is connected with the sliding barrel sleeve 7 through the sling chain 5, and when the sling chain 5 is tensioned, the plurality of claws 4 are used for clamping and positioning the heavy ring part 1, the lower part of the slide bar 11 is provided with the upper sleeve 12 and the lower sleeve 13 in a matching way, the upper sleeve 12 and the lower sleeve 13 are arranged at intervals up and down, the upper sleeve 12 and the lower sleeve 13 are coaxially sleeved on the slide bar 11, the upper sleeve 12 is fixed with the slide bar 11, the lower sleeve 13 can slide up and down relative to the slide bar 11, when the lower end of the sleeve hook 6 is lowered to a gap between the upper sleeve 12 and the lower sleeve 13, the sleeve hook 6 is hooked at the lower end of the upper sleeve 12, at the moment, a hoisting power device is started to directly hoist the lifting appliance, when the lower end of the sleeve hook 6 is lifted up from the outer side of the lower sleeve 13, the hook end of the sleeve hook 6 is pressed on the outer surface of the lower sleeve 13 due to the gravity of the sleeve hook 6, friction force is provided for the lower sleeve 13, the plurality of sleeve hooks 6 are matched to extrude the lower sleeve 13, so that the lower sleeve 13 can be hoisted to the lower sleeve 13 to be adjacent to the upper sleeve 12, the lower sleeve 13 is used for preventing the sleeve hook 6 from hooking the lower end of the upper sleeve 12, so that the sling chain 5 is tensioned to lift the heavy-duty ring piece 1.
The upper sleeve 12 is in a conical round platform structure.
The lower sleeve 13 is of an inverted conical round table structure, and the diameter of the upper end face of the lower sleeve 13 is larger than that of the lower end face of the upper sleeve 12. When the sleeve hook 6 lifts the lower sleeve 13, when the sleeve hook 6 lifts the lower sleeve 13 to be in contact with the upper sleeve 12, the sleeve hook 6 slides upwards relative to the upper sleeve 12, when the sleeve hook 6 slips off the upper sleeve 12, the sleeve hook 6 gathers together in the direction of the sliding rod 11 in the lifting process, the diameter of the upper end face of the lower sleeve 13 is larger than that of the lower end face of the upper sleeve 12, and the sleeve hook 6 can be guaranteed to gather together to lift to the upper sleeve 12 before lifting to the upper sleeve 12, namely smoothly slide over the upper sleeve 12 and directly lift to tension the sling chain 5.
The diameter of the upper end face of the lower sleeve 13 is 10 cm larger than that of the lower end face of the upper sleeve 12.
The number of the sleeve hooks 6 can be three, in order to enable the sleeve hooks 6 to be tightly matched with the lower sleeve 13, the weight of the sleeve hooks 6 can be 10 kilograms, and the weight of the lower sleeve 13 is 15 kilograms.
A guide disc 17 is coaxially fixed on the upper end surface of the lower sleeve 13, the guide disc 17 can slide up and down relative to the slide rod 11, the guide disc 17 adopts a conical round table structure, the height of the guide disc 17 is 5 cm, and the guide disc 17 can provide a gap with a certain distance for the upper sleeve 12 and the lower sleeve 13, so that the lower sleeve 13 is adjacent to but not attached to the upper sleeve 12; when the sleeve hook 6 needs to be separated from the upper sleeve 12, the sliding barrel sleeve 7 is lowered, the sleeve hook 6 is lowered along with the sliding barrel sleeve 7, and the hook end of the sleeve hook 6 slides down to the periphery of the lower sleeve 13 along the outer surface of the conical circular truncated cone of the guide disc 17 and the surface of the lower sleeve 13, so that the sleeve hook 6 is smoothly separated from the upper sleeve 12.
The lower end of the upper sleeve 12 is coaxially provided with a containing cavity 18 with a downward opening, and in the process that the guide disc 17 rises, the upper part of the guide disc 17 can enter the containing cavity 18, so that the distance between the upper gap of the upper sleeve 12 and the lower gap of the lower sleeve 13 is reduced, and the sleeve hook 6 is further ensured to smoothly slide through the gap between the upper sleeve 12 and the lower sleeve 13 to rise.
The middle of each jaw 4 is hinged to the corresponding jaw column 2 through a positioning pin shaft 3, the upper portion of each jaw 4 is connected with the corresponding sling chain 5, a clamping portion 14 at the lower portion of each jaw 4 is used for being attached to the inner side of the heavy ring piece 1, each jaw 4 can be formed by two steel plates with an included angle of 160-170 degrees, each jaw 4 is arranged to deviate from the corresponding slide rod 11 at an angle of 160-170 degrees, when the sling chains 5 are tensioned, the sling chains 5 pull the upper ends of the jaw columns 2 to approach towards the slide rod 11, the jaw columns 2 rotate around the positioning pin shafts 3, the lower ends of the jaw columns 2 rotate outwards, the jaw columns 4 position and lift the heavy ring piece 1 through external supporting force, and anti-slip threads are arranged on one side, facing the heavy ring piece 1, of the clamping portion 14.
The claw column 2 is provided with a plurality of adjusting holes 15 which are axially and horizontally arranged, the adjusting holes 15 are uniformly arranged along the length direction of the claw column 2, the positioning pin shaft 3 penetrates through the adjusting holes 15 and the middle part of the claw 4 to position the claw 4, and the adjusting holes 15 at different positions are used to adapt to heavy rings 1 with different diameters.
The coaxial guiding disc 10 that is fixed with of lower extreme of slide cartridge cover 7, the edge of guiding disc 10 is provided with the notch that 6 passes are colluded to the cover, 6 can be colluded to the cover corresponding notch relatively and to keeping away from and being close to the direction swing of slide cartridge cover 7, the notch is used for with corresponding 6 is colluded to the cover and carries out spacingly for 6 swings in the notch are colluded to the cover. And a lifting ring 8 connected with the lifting power device is fixed at the upper end of the sliding cylinder sleeve 7.
The lower part of slide cylinder cover 7 is fixed with three fixed otic placode 9, fixed otic placode 9 with jack catch 4 one-to-one, chain sling 5 with corresponding fixed otic placode 9 is connected, the cover collude 6 the upper end with fixed otic placode 9 is articulated.
The suspension chain 5 is a steel chain.
The using method comprises the following steps:
(1) when the heavy-duty ring piece 1 needs to be lifted, the lifting appliance is placed in the heavy-duty ring piece 1, the sleeve hook 6 is made to descend to the lower sleeve 13, then the lifting power device is started, the sliding cylinder sleeve 7 is made to ascend, the sliding cylinder sleeve 7 drives the sleeve hook 6 to ascend, due to the structural design of the upper sleeve 12 and the lower sleeve 13, the sleeve hook 6 directly slides upwards along the upper sleeve 12 until the lifting chain 5 is tensioned, and at the moment, the clamping part 14 of the clamping jaw 4 is attached to the inner surface of the heavy-duty ring piece 1 to position the heavy-duty ring piece 1;
(2) then, a hoisting power device hoists the sling and the heavy ring piece 1 to a target position, and then the sling and the heavy ring piece 1 are lowered;
(3) when the lifting chain 5 is loosened, the heavy ring piece 1 is separated from the lifting appliance, the lower hook end of the sleeve hook 6 is stopped to the gap between the upper sleeve 12 and the lower sleeve 13, at the moment, the lower hook end of the sleeve hook 6 hooks the lower end face of the upper sleeve 12, and the lifting power device is started to quickly lift off the lifting appliance;
(4) when the lifting appliance is used again, the lifting appliance is placed in the heavy ring part 1, the sliding cylinder sleeve 7 continues to descend, the sleeve hook 6 is smoothly separated from the upper sleeve 12 under the guiding action of the guide disc 17, when the sleeve hook 6 descends to the middle lower part of the upper sleeve 12, the sliding cylinder sleeve 7 is lifted at a certain speed, and due to the matching design of the lower sleeve 13 and the upper sleeve 12, the sleeve hook 6 can slide through the gap between the lower sleeve 13 and the upper sleeve 12 and directly ascends to tension the lifting chain 5, and the process is repeated.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (10)
1. A large ring hoisting device, comprising: the ring piece clamping device comprises a sliding barrel sleeve (7), a sliding rod (11), claw columns (2), clamping jaws (4), a sling chain (5), an upper sleeve (12), a lower sleeve (13) and a sleeve hook (6), wherein the sliding barrel sleeve (7) is axially and vertically arranged, the sliding barrel sleeve (7) is coaxially sleeved outside the sliding rod (11), the upper end of the sliding barrel sleeve (7) is used for being connected with a hoisting power device, the lower part of the sliding barrel sleeve (7) is hinged with at least two sleeve hooks (6), the lower end of the sliding rod (11) is horizontally provided with at least three claw columns (2), the claw columns (2) surround the sliding rod (11) and are distributed in an annular shape, one end of each claw column (2) is fixed with the sliding rod (11), the other end of each claw column (2) is hinged with one claw column (4), the claw columns (4) and the sliding barrel sleeve (7) are connected through the sling chain (5), and the plurality of claw columns (4) are used for clamping and positioning a heavy ring piece (, the lower part of slide bar (11) cooperatees and is provided with go up cover (12), lower cover (13), go up cover (12) and lower cover (13) interval setting from top to bottom, go up cover (12) and lower cover (13) coaxial cover are located on slide bar (11), go up cover (12) with slide bar (11) are fixed mutually, lower cover (13) can be relative slide bar (11) slide from top to bottom, work as the lower extreme that the cover colluded (6) falls to during the clearance between go up cover (12) and lower cover (13), the cover colludes (6) and colludes the lower extreme of going up cover (12), work as the lower extreme that the cover colluded (6) certainly when going up in the lower cover (13) outside, lower cover (13) are used for hindering the cover colludes (6) and colludes the lower extreme of going up cover (12).
2. A large ring lifting device according to claim 1, wherein said upper sleeve (12) is of a conical frustum structure.
3. A large ring hoisting device according to claim 2, wherein the lower sleeve (13) is of an inverted conical frustum structure, and the diameter of the upper end face of the lower sleeve (13) is larger than that of the lower end face of the upper sleeve (12).
4. A large ring lifting device according to claim 3, characterised in that the diameter of the upper end face of the lower sleeve (13) is 10 cm larger than the diameter of the lower end face of the upper sleeve (12).
5. A large-sized ring hoisting device according to claim 1 or 3, wherein a guide disc (17) is coaxially fixed on the upper end surface of the lower sleeve (13), the guide disc (17) can slide up and down relative to the slide rod (11), and the guide disc (17) adopts a conical circular truncated cone structure.
6. A large ring lifting device according to claim 5, characterized in that the lower end of the upper sleeve (12) is provided with a receiving chamber (18) for receiving the upper part of the guiding disc (17).
7. A large-scale ring hoisting device according to claim 1 or 3, wherein the middle part of each jaw (4) is hinged to the corresponding jaw column (2) through a positioning pin (3), the upper part of each jaw (4) is connected with the sling chain (5), and the clamping part (14) at the lower part of each jaw (4) is used for being attached to the inner side of the heavy-duty ring (1).
8. The large ring lifting device according to claim 7, wherein a plurality of adjusting holes (15) through which the positioning pin shafts (3) can pass are formed in the claw columns (2), and the plurality of adjusting holes (15) are uniformly formed along the length direction of the claw columns (2).
9. The large ring lifting device according to claim 1 or 8, wherein a guide disc (10) is coaxially fixed at the lower end of the sliding cylinder sleeve (7), a notch through which the sleeve hook (6) passes is arranged at the edge of the guide disc (10), the sleeve hook (6) can swing in the direction away from and close to the sliding cylinder sleeve (7) relative to the corresponding notch, and a lifting ring (8) connected with the lifting power device is fixed at the upper end of the sliding cylinder sleeve (7).
10. The large-scale ring lifting device according to claim 9, wherein a plurality of fixing ear plates (9) are fixed to the lower portion of the sliding barrel sleeve (7), the fixing ear plates (9) correspond to the claws (4) one by one, the lifting chains (5) are connected with the corresponding fixing ear plates (9), and the upper end of the sleeve hook (6) is hinged to the fixing ear plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419229.9A CN112875490A (en) | 2021-04-19 | 2021-04-19 | Large-scale ring hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419229.9A CN112875490A (en) | 2021-04-19 | 2021-04-19 | Large-scale ring hoisting accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112875490A true CN112875490A (en) | 2021-06-01 |
Family
ID=76040624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419229.9A Pending CN112875490A (en) | 2021-04-19 | 2021-04-19 | Large-scale ring hoisting accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112875490A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003073070A (en) * | 2001-09-07 | 2003-03-12 | Sekisui House Ltd | Sling for cabinet |
| CN103183282A (en) * | 2011-12-29 | 2013-07-03 | 上海联合滚动轴承有限公司 | Hoisting tool used for large ring pieces |
| CN104129706A (en) * | 2014-07-22 | 2014-11-05 | 定襄县昊坤不锈钢法兰锻造有限公司 | Special suspender for high temperature flange ring |
| CN210286444U (en) * | 2019-08-19 | 2020-04-10 | 张家港市亨通环形锻件制造有限公司 | Safety lifting appliance for ring forging |
| CN112061970A (en) * | 2020-09-07 | 2020-12-11 | 中国航发北京航空材料研究院 | Special lifting appliance for vertically centering and lifting cylindrical materials in deep-hole crucible |
-
2021
- 2021-04-19 CN CN202110419229.9A patent/CN112875490A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003073070A (en) * | 2001-09-07 | 2003-03-12 | Sekisui House Ltd | Sling for cabinet |
| CN103183282A (en) * | 2011-12-29 | 2013-07-03 | 上海联合滚动轴承有限公司 | Hoisting tool used for large ring pieces |
| CN104129706A (en) * | 2014-07-22 | 2014-11-05 | 定襄县昊坤不锈钢法兰锻造有限公司 | Special suspender for high temperature flange ring |
| CN210286444U (en) * | 2019-08-19 | 2020-04-10 | 张家港市亨通环形锻件制造有限公司 | Safety lifting appliance for ring forging |
| CN112061970A (en) * | 2020-09-07 | 2020-12-11 | 中国航发北京航空材料研究院 | Special lifting appliance for vertically centering and lifting cylindrical materials in deep-hole crucible |
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Application publication date: 20210601 |