CN117945257B - Crane lifting device suitable for coiled material conveying - Google Patents
Crane lifting device suitable for coiled material conveying Download PDFInfo
- Publication number
- CN117945257B CN117945257B CN202410356750.6A CN202410356750A CN117945257B CN 117945257 B CN117945257 B CN 117945257B CN 202410356750 A CN202410356750 A CN 202410356750A CN 117945257 B CN117945257 B CN 117945257B
- Authority
- CN
- China
- Prior art keywords
- lifting
- lifting cylinder
- top pressing
- coiled material
- crane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 53
- 230000005484 gravity Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- 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
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/442—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces actuated by lifting force
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a crane lifting device suitable for coiled material handling in the technical field of crane lifting, which comprises a lifting cylinder and a lifting cylinder, wherein the upper section of the inner cavity of the lifting cylinder is provided with a lifting seat coaxial with the lifting cylinder, and the top of the lifting seat is connected with a crane steel wire rope; the periphery of the lifting seat is uniformly provided with a plurality of top pressing rods which are arranged in an up-down inclined manner along the circumferential direction of the lifting seat in a spacing ring manner, and the outer ends of the top pressing rods are higher than the inner ends of the top pressing rods; the outer end of the top pressing rod movably penetrates through the lifting cylinder along the radial surface, and is correspondingly hinged with an arc-shaped top pressing plate; the lifting seat, the top pressing rod and the arc-shaped top pressing plate are arranged, when the lifting seat is lowered, the outer end of the top pressing rod deflects inwards under the action of gravity, so that the lifting device smoothly enters the inner cavity of the coiled material, and when the lifting device lifts, the outer end of the top pressing rod deflects outwards to support the inner wall of the coiled material under the action of the lifting seat, and then the lifting operation of the vertical coiled material is completed under the condition of unmanned participation.
Description
Technical Field
The invention relates to the technical field of crane lifting, in particular to a lifting device for a crane, which is suitable for coiled material conveying.
Background
The coiled coil generally comprises a winding drum and a coil wound around the periphery of the winding drum, wherein the coil is fixed by a fixing belt or other structures outside the coil to prevent the coil from being automatically unreeled.
Under special technological requirements, for example, in the steel coil transportation process, the steel coil needs to be vertically placed (with a vertical central axis) to ensure the stability of the steel coil. If the steel coil is horizontal and vertical (the central axis is horizontal), the steel coil easily passes over the limiting block to roll under the condition of sudden braking, so that serious accidents are caused. There is therefore a need for a lifting device that is capable of lifting coils vertically.
Chinese patent (bulletin number: CN 212101607U) discloses a lifting appliance for vertically lifting a pipe; however, the lifting appliance hooks the bottom of the pipe fitting by using the lifting seat, and the lifting operation is realized by force on the outer side of the bottom of the pipe fitting, the outer side bottom of the coiled material which is coiled cannot be stressed, otherwise, the coiled material is easy to deform, so that the lifting appliance cannot be suitable for the lifting operation of the coiled material; and before hoisting, the pipe piece needs to be arranged on the backing plate in advance to perform operation, so that the hoisting workload is increased intangibly.
Chinese patent (bulletin number: CN 215516362U) discloses a vertical handling aid; the auxiliary device is correspondingly connected in a pivoted mode through the plurality of holding structures to form a holding space, so that the auxiliary device can realize the lifting operation of the lifted piece by holding the lifted piece from outside to inside. Then special structure (round rolling together of coiled material) is tightly held from the outside so that outer coiled material and inlayer coiled material take place the dislocation easily, and then influence coiled material quality to hold frictional force between structure and the coiled material and coiled material gravity opposite direction, consequently the coiled material slides downwards under the effect of gravity easily, exists great potential safety hazard.
For this purpose, we have devised a crane lifting device adapted to coil handling.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention discloses a crane lifting device suitable for coiled material conveying.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
The lifting device for the crane suitable for coiled material conveying comprises a lifting cylinder and a lifting cylinder, wherein the upper section of the inner cavity of the lifting cylinder is provided with a lifting seat coaxial with the lifting cylinder, and the top of the lifting seat is connected with a crane steel wire rope; the periphery of the lifting seat is uniformly provided with a plurality of top pressing rods which are arranged in an up-down inclined manner along the circumferential direction of the lifting seat in a spacing ring manner, and the outer ends of the top pressing rods are higher than the inner ends of the top pressing rods; the outer end of the top pressing rod movably penetrates through the lifting cylinder along the radial surface, and is correspondingly hinged with an arc-shaped top pressing plate;
The lower section of the inner cavity of the lifting cylinder is provided with two diameter reduction parts at intervals, and the upper end of the lifting cylinder is correspondingly positioned between the two diameter reduction parts and is provided with a cover plate; the inner cavity of the lifting cylinder is vertically movably matched with an inverted conical block, a plurality of sliding grooves are annularly arranged on the conical block along the circumferential direction of the conical block at uniform intervals, the sliding grooves are slidably connected with a supporting rod along the radial direction of the sliding grooves, the outer end of the supporting rod slidably extends out of the lifting cylinder, the bottom surface of the outer end of the supporting rod is an inclined surface, and the height of the inclined surface is gradually reduced from outside to inside.
Preferably, the top compression bar is provided with a waist-shaped groove penetrating horizontally along the length direction of the top compression bar, and the lifting cylinder is provided with a limiting pin penetrating through the waist-shaped groove.
Preferably, the bottom of the arc-shaped top pressing plate is provided with an inward bending connecting frame, and the bending connecting frame is rotationally connected with an auxiliary roller.
Preferably, the outer plate surface of the arc-shaped top pressing plate is provided with an anti-slip layer.
Preferably, a limiting plate is arranged in the inner cavity of the lifting cylinder at a position which is correspondingly positioned above the lifting seat, and a third compression spring is arranged between the limiting plate and the lifting seat.
Preferably, a through hole for the crane wire rope to penetrate is formed in the middle of the limiting plate.
Preferably, flexible structures are arranged at the bottom of the lifting cylinder and the bottom of the conical block.
Preferably, a second compression spring is arranged between the top surface of the conical block and the cover plate.
Preferably, a first compression spring is arranged between the cover plate and the upper diameter-reducing part.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. The lifting seat, the top pressing rod and the arc-shaped top pressing plate are arranged, when the lifting seat is lowered, the outer end of the top pressing rod deflects inwards under the action of gravity, so that the lifting device smoothly enters the inner cavity of the coiled material, and when the lifting device lifts, the outer end of the top pressing rod deflects outwards to support the inner wall of the coiled material under the action of the lifting seat, and then the lifting operation of the vertical coiled material is completed under the condition of no participation of people;
2. The lifting cylinder, the conical block and the supporting rod are arranged, so that after a coiled material is lifted, the lifting cylinder drives the supporting rod to move downwards to the lower part of the coiled material under the action of gravity, the conical block pushes the supporting rod outwards, the outer end of the supporting rod moves to the lower part of the bottom surface of the coiled material, the coiled material sliding downwards is supported, the coiled material is prevented from falling, and meanwhile, when the coiled material falls, the conical block and the lifting cylinder are sequentially lifted relative to the lifting cylinder, and then the supporting rod is recovered to the inner cavity of the coiled material, so that the coiled material is stably landed;
3. The arrangement of the bending connecting frame and the auxiliary roller can reduce the friction force between the arc-shaped pressing plate and the inner wall of the coiled material when the coil is lowered, so that the lifting device is smoothly lowered in the inner cavity of the coiled material.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the invention in a pre-hoist drop attitude;
FIG. 4 is a schematic view of the present invention after landing;
Fig. 5 is a schematic view of the present invention in a lifted position.
In the figure: 1. a lifting cylinder; 11. a reduced diameter portion; 12. a limiting pin; 13. a limiting plate; 14. a third compression spring; 2. a lifting seat; 3. a pressing rod is pressed; 31. a waist-shaped groove; 4. an arc-shaped top pressing plate; 41. bending the connecting frame; 42. an auxiliary roller; 5. a lifting cylinder; 51. a cover plate; 6. a first compression spring; 7. a conical block; 71. a chute; 8. a second compression spring; 9. and a support rod.
Detailed Description
The present application will be explained in detail by the following examples, and the purpose of the present application is to protect all technical improvements within the scope of the present application, and in the description of the present application, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present application, and in order to facilitate description of the present application, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
The first embodiment is combined with figures 1-5, the lifting device for the crane, which is suitable for coiled material conveying, comprises a lifting cylinder 1 and a lifting cylinder 5, wherein the upper section of the inner cavity of the lifting cylinder 1 is provided with a lifting seat 2 coaxial with the lifting cylinder, and the top of the lifting seat 2 is connected with a crane steel wire rope; thus, the lifting cylinder 1 is not inclined during lifting. The periphery of the lifting seat 2 is uniformly provided with a plurality of top pressing rods 3 which are obliquely arranged up and down along the circumferential direction of the lifting seat at intervals, and the outer ends of the top pressing rods 3 are higher than the inner ends of the top pressing rods;
According to the requirement, a limiting plate 13 is arranged in the inner cavity of the lifting cylinder 1 at a position which is correspondingly positioned above the lifting seat 2, and a third compression spring 14 is arranged between the limiting plate 13 and the lifting seat 2; that is, when the lifting seat 2 is lifted up to a certain height relative to the lifting cylinder 1, the lifting seat is not lifted up again under the limitation of the limiting plate 13 and the third compression spring 14, so that the outer end of the top pressing rod 3 can be ensured to be higher than the inner end of the top pressing rod.
Specifically, a through hole for the crane wire rope to pass through is formed in the middle of the limiting plate 13.
The outer end of the top pressing rod 3 movably penetrates through the lifting cylinder 1 along the radial surface, and is correspondingly hinged with an arc-shaped top pressing plate 4;
the space of the lower section of the inner cavity of the lifting cylinder 1 is provided with two diameter reduction parts 11, the diameter reduction part 11 above can be a gear ring welded on the inner wall of the lifting cylinder 1 according to the requirement, and the diameter reduction part 11 below can be connected with an annular end cover at the bottom of the lifting cylinder 1 through bolts. The upper end of the lifting cylinder 5 is correspondingly positioned between the two diameter-reducing parts 11 and is provided with a cover plate 51, specifically, the diameter of the cover plate 51 is larger than that of the lifting cylinder 5, and the lower end of the lifting cylinder 5 extends out of the lifting cylinder 1; an inverted conical block 7 is movably matched up and down in the inner cavity of the lifting cylinder 5, and the lower end of the conical block 7 is a flat bottom according to requirements. The conical block 7 is provided with a plurality of sliding grooves 71 along the bus direction along the circumferential uniform spacing ring, the sliding grooves 71 are slidably connected with a supporting rod 9 along the radial direction, the outer end of the supporting rod 9 slides out of the lifting cylinder 5, the bottom surface of the outer end of the supporting rod 9 is an inclined surface, and the height of the inclined surface is gradually reduced from outside to inside.
When in use, the lifting device is lifted by using a crane wire rope, then the lower end of the lifting device is inserted into a coiled material cavity which is vertically placed, as the bottom surface of the outer end part of the supporting rod 9 is an inclined surface, the supporting rod 9 moves inwards under the action of the top surface of the coiling barrel and the gravity action of the lifting device, meanwhile, the conical block 7 moves upwards against the gravity of the supporting rod, after the supporting rod 9 moves inwards to a certain extent, the supporting rod 9 enters the coiling barrel cavity until the arc-shaped top pressing plate 4 contacts with the coiling barrel, under the action of the top surface of the coiling barrel and the gravity action of the lifting device, the outer end of the top pressing rod 3 turns upwards, after the outer end of the top pressing rod 3 turns upwards to a certain extent, the top pressing rod 3 and the arc-shaped top pressing plate 4 enter the coiling barrel cavity until the bottom of the lifting barrel 5 contacts with the ground, then the lifting seat 2 is pulled upwards by using the crane wire rope, the lifting seat 2 is lifted, the trend arc-shaped top pressing plate 4 is turned over, the arc-shaped top pressing plate 4 has a trend of outwards moving at the moment, the arc-shaped top pressing plate 4 further tightly supports the inner wall of the winding drum, and the larger the lifting device lifts and the weight of the coiled material is, the larger the arc-shaped top pressing plate 4 supports the outer force of the inner wall of the winding drum, so that the winding drum can be effectively prevented from outwards sliding, meanwhile, as the lifting drum 1 and the coiled material are lifted, the lifting drum 5 moves downwards under the action of gravity, the lifting drum 5, the conical block 7 and the supporting rod 9 move downwards, so that the supporting rod 9 moves to the lower part of the coiled material, the conical block 7 descends relative to the lifting drum 5 and pushes the supporting rod 9 outwards, so that the outer end of the supporting rod 9 extends out of the lower part of the bottom surface of the coiled material, at the moment, when the coiled material slides downwards relative to the arc-shaped top pressing plate 4, the supporting rod 9 can support the bottom surface of the coiled material, and prevent the bottom surface of the coiled material from further sliding downwards, thereby preventing the coiled material from falling.
When the coiled material is put down, the conical block 7 firstly contacts the bottom surface, and at the moment, the conical block 7 ascends relative to the lifting cylinder 5, so that the supporting rod 9 is driven to move inwards until the outer end of the supporting rod 9 moves to the inner side of the inner wall of the winding cylinder; at this point the lift cylinder 5 begins to contact the ground and is directed upwards relative to the lift cylinder 1 until the web lands.
According to the need, in order to ensure that the lifting cylinder 5 moves downwards smoothly in the lifting process, the supporting rod 9 correspondingly moves to the lower part of the coiled material, and a first compression spring 6 is arranged between the cover plate 51 and the upper diameter reducing part 11.
According to the need, in order to guarantee in the lifting process, in order to guarantee that the conical block 7 moves downwards smoothly for the supporting rod 9 can outwards move, make the supporting rod 9 outer end remove to coiled material bottom surface below, be equipped with second compression spring 8 between conical block 7 top surface and the apron 51.
Further, in order to prevent the lifting device from damaging the ground, flexible structures are provided at the bottom of the lifting cylinder 5 and at the bottom of the conical block 7.
Further, in order to increase the friction coefficient between the arc-shaped pressing plate 4 and the vertical coiled material, the vertical coiled material is guaranteed to be lifted better, and an anti-slip layer is arranged on the outer plate surface of the arc-shaped pressing plate 4.
In the second embodiment, referring to fig. 1-5, a crane lifting device suitable for coil handling is provided, on the basis of the first embodiment, the bottom of the arc-shaped top pressing plate 4 is provided with an inward bending connecting frame 41, and the bending connecting frame 41 is rotatably connected with an auxiliary roller 42; the setting like this can be when lifting by crane section of thick bamboo 1 is located the rolling section of thick bamboo inner chamber and descends, because the friction of arc top board 4 and receipts reel for arc top board 4 rotates, and then makes supplementary gyro wheel 42 replace arc top board 4 and rolling section of thick bamboo inner wall contact, has original sliding friction to become rolling friction, consequently can prevent that arc top board 4 and rolling section of thick bamboo inner wall from influencing the action that lifting by crane section of thick bamboo 1 falls because of the frictional force is great, and then makes the operation more smooth and easy.
Further, in order to prevent the radial shaking of the top pressing rod 3, the top pressing rod 3 is provided with a waist-shaped groove 31 horizontally penetrating along the length direction of the top pressing rod, and the lifting cylinder 1 is provided with a limiting pin 12 penetrating through the waist-shaped groove 31; the radial limit of the pressing rod 3 can be performed through the limit pin 12, so that the pressing rod 3 can be prevented from being radially deviated.
In the example, the pressing rod 3 and the supporting rod 9 may be provided with three, four or five, and the specific number is set according to actual needs, which is not particularly limited herein.
The invention has not been described in detail in the prior art, and it is apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.
Claims (6)
1. Hoisting device for crane suitable for coiled material carrying, which is characterized in that: the lifting device comprises a lifting cylinder (1) and a lifting cylinder (5), wherein the upper section of the inner cavity of the lifting cylinder (1) is provided with a lifting seat (2) coaxial with the lifting cylinder, and the top of the lifting seat (2) is connected with a crane steel wire rope; a plurality of top pressing rods (3) which are obliquely arranged up and down are uniformly arranged on the periphery of the lifting seat (2) along the circumferential direction of the lifting seat in a spacing ring manner, and the outer ends of the top pressing rods (3) are higher than the inner ends of the top pressing rods; the lifting cylinder (1) is provided with a limiting pin (12) penetrating through the waist-shaped groove (31) so as to radially limit the lifting rod (3) through the limiting pin (12) and prevent the lifting rod (3) from shaking radially; a limiting plate (13) is arranged at a position, above the lifting seat (2), of the inner cavity of the lifting cylinder (1), and a third compression spring (14) is arranged between the limiting plate (13) and the lifting seat (2) so as to limit the height of the lifting seat (2) and enable the inner end of the top pressing rod (3) to be always in a lower position than the outer end of the top pressing rod, and further the outer end of the top pressing rod (3) is contracted due to rotation under the action of integral gravity, so that the top pressing rod (3) enters the inner cavity of the coiled material; the outer end of the jacking rod (3) movably penetrates through the lifting cylinder (1) along the radial surface, and is correspondingly hinged with an arc-shaped jacking plate (4), an inward bending connecting frame (41) is arranged at the bottom of the arc-shaped jacking plate (4), and the bending connecting frame (41) is rotationally connected with an auxiliary roller (42) so as to be in contact with the inner wall of the rolling cylinder through the auxiliary roller (42), so that the jacking rod (3) and the arc-shaped jacking plate (4) smoothly descend;
Two diameter reduction parts (11) are arranged at intervals at the lower section of the inner cavity of the lifting cylinder (1), and the upper end of the lifting cylinder (5) is correspondingly positioned between the two diameter reduction parts (11) and is provided with a cover plate (51); the inner cavity of the lifting cylinder (5) is vertically movably matched with an inverted conical block (7), a plurality of sliding grooves (71) are uniformly arranged on the conical block (7) along the circumferential direction of the conical block at intervals, the sliding grooves (71) are slidably connected with supporting rods (9) along the radial direction of the sliding grooves, the outer ends of the supporting rods (9) slidably extend out of the lifting cylinder (5), the bottom surface of the outer end of the supporting rods (9) is an inclined surface, the height of the inclined surface is gradually reduced from outside to inside, so that the conical block (7) is driven to rise by the diameter reduction action of the supporting rods (9) under the reaction force of coiled materials before lifting, and the conical block (7) is driven to expand by the diameter reduction action of the supporting rods (9) under the action of gravity in lifting; lifting cylinder (1) is stretched out to lifting cylinder (5) lower extreme to lifting cylinder (5) correspond before lifting by crane conflict ground and rise for lifting cylinder (1), and lift under the action of gravity lifting cylinder (5) carry toper piece (7) and supporting pole (9) and descend for lifting cylinder (1) and coiled material in lifting, make supporting pole (9) move to coiled material bottom surface below, carry the coiled material.
2. A crane lifting device adapted for coil handling as claimed in claim 1, wherein: an anti-slip layer is arranged on the outer plate surface of the arc-shaped top pressing plate (4).
3. A crane lifting device adapted for coil handling as claimed in claim 1, wherein: and a through hole for the crane wire rope to pass through is formed in the middle of the limiting plate (13).
4. A crane lifting device adapted for coil handling as claimed in claim 1, wherein: the bottom of the lifting cylinder (5) and the bottom of the conical block (7) are provided with flexible structures.
5. A crane lifting device adapted for coil handling as claimed in claim 1, wherein: a second compression spring (8) is arranged between the top surface of the conical block (7) and the cover plate (51).
6. A crane lifting device adapted for coil handling as claimed in claim 1, wherein: a first compression spring (6) is arranged between the cover plate (51) and the upper diameter-reducing part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410356750.6A CN117945257B (en) | 2024-03-27 | 2024-03-27 | Crane lifting device suitable for coiled material conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410356750.6A CN117945257B (en) | 2024-03-27 | 2024-03-27 | Crane lifting device suitable for coiled material conveying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117945257A CN117945257A (en) | 2024-04-30 |
| CN117945257B true CN117945257B (en) | 2024-07-16 |
Family
ID=90796334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410356750.6A Active CN117945257B (en) | 2024-03-27 | 2024-03-27 | Crane lifting device suitable for coiled material conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117945257B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483916A (en) * | 2020-05-28 | 2020-08-04 | 浙江辛子精工机械有限公司 | Rapid hoisting sling and hoisting method for annular workpiece |
| CN114772452A (en) * | 2022-06-16 | 2022-07-22 | 达州瑞丰电力设备技术有限公司 | Lifting device for power equipment |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2454250A1 (en) * | 1974-11-15 | 1976-05-20 | Huet Aloysius T Van | Mechanically operated lifting fork - has prongs adjustable and interchangeable on frame and clamps coupled to central actuator |
| JP2011032072A (en) * | 2009-08-05 | 2011-02-17 | Hitachi Ltd | Lifting attachment |
| CN210884887U (en) * | 2019-11-01 | 2020-06-30 | 张腊梅 | Hydraulic engineering lifting device |
| CN211078173U (en) * | 2019-11-12 | 2020-07-24 | 丹东市起重机械有限公司 | Hoist hoisting device of multiple regulation |
| CN212127258U (en) * | 2020-05-25 | 2020-12-11 | 广东新江永安建设工程有限公司 | Hoisting accessory for construction |
| CN113120750B (en) * | 2021-05-08 | 2023-01-24 | 中铁七局集团第五工程有限公司 | A hoist device for subway construction |
| CN113968543B (en) * | 2021-11-01 | 2024-04-09 | 中国建筑第五工程局有限公司 | Assembled building hoisting accessory |
| CN217350501U (en) * | 2022-04-21 | 2022-09-02 | 江苏海泰海洋装备有限公司 | But angle of rotation's crane boom head pulley gear |
| CN115818427A (en) * | 2022-12-15 | 2023-03-21 | 中国海洋石油集团有限公司 | Tool for hoisting workpiece with annular groove in inner hole belt |
| CN219238994U (en) * | 2023-02-08 | 2023-06-23 | 洛阳风动工具有限公司 | Hoisting tool |
| CN116946864A (en) * | 2023-08-03 | 2023-10-27 | 太和县大华能源科技有限公司 | Arc unhooking prevention device with balance protection function for travelling crane |
| CN117125603A (en) * | 2023-10-17 | 2023-11-28 | 安徽兴鼎建设有限公司 | Precast column hoisting device and construction method thereof |
| CN117446647A (en) * | 2023-11-02 | 2024-01-26 | 武汉市鼎匡水泥制品有限公司 | Concrete shaft lifting equipment |
-
2024
- 2024-03-27 CN CN202410356750.6A patent/CN117945257B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483916A (en) * | 2020-05-28 | 2020-08-04 | 浙江辛子精工机械有限公司 | Rapid hoisting sling and hoisting method for annular workpiece |
| CN114772452A (en) * | 2022-06-16 | 2022-07-22 | 达州瑞丰电力设备技术有限公司 | Lifting device for power equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117945257A (en) | 2024-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101472826A (en) | Roping method and apparatus | |
| US10246285B2 (en) | Web roll handling and loading system | |
| JP4917062B2 (en) | Eccentric roll receiving transport vehicle | |
| CN110745507A (en) | Device for turning and feeding steel wire coil | |
| CN117945257B (en) | Crane lifting device suitable for coiled material conveying | |
| CN211521244U (en) | Winding frame device convenient to lift and adjust for cable production | |
| CN104743430A (en) | Device for replacing winch steel wire rope | |
| CN215897160U (en) | Cable pay-off device | |
| CN215592504U (en) | Automatic alignment system of dry quenching hoister | |
| SE539421C2 (en) | A coiling system and a method for forming a hot rolled product into an annular coil | |
| CN211920454U (en) | Cable pay-off rack | |
| JP4616452B2 (en) | Belt sleeve demolding apparatus and demolding method | |
| CN211027577U (en) | Lifting type pay-off rack | |
| KR200186061Y1 (en) | Apparatus for separating steel sleeve from strip coil | |
| CN112661027A (en) | Hoisting mechanism for pipe fitting machining | |
| CN207982897U (en) | A kind of movable type feeding device | |
| CN219363053U (en) | Stable conveying device for electromechanical equipment | |
| CN204588415U (en) | A kind of device for changing winch cable | |
| CN210236809U (en) | Elevator installation wire rope ware of putting rope | |
| CN217921008U (en) | Ton bag handling dolly | |
| CN214935739U (en) | Wire lifting device | |
| CN215558579U (en) | Lifting device | |
| CN220906608U (en) | Cable shielding aluminum foil unreeling device | |
| CN210558878U (en) | Steel strip coil lifting hook | |
| CN216807168U (en) | Spring receiving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |