CN113247755A - Hoisting device for hoisting thin plate and crane comprising same - Google Patents
Hoisting device for hoisting thin plate and crane comprising same Download PDFInfo
- Publication number
- CN113247755A CN113247755A CN202110628867.1A CN202110628867A CN113247755A CN 113247755 A CN113247755 A CN 113247755A CN 202110628867 A CN202110628867 A CN 202110628867A CN 113247755 A CN113247755 A CN 113247755A
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- Prior art keywords
- column body
- hoisting
- thin plate
- lifting
- overhanging
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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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- 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
- B66C1/04—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 magnetic means
- B66C1/06—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 magnetic means electromagnetic
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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
- B66C1/14—Slings with hooks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of hoisting equipment, in particular to a hoisting device for hoisting a thin plate and a crane comprising the same, wherein the hoisting device comprises a column body, and a hoisting wheel is arranged at the upper end of the column body; the periphery of the column body is provided with at least three overhanging arms around the axis of the column body, each overhanging arm extends along the radial direction of the column body, one end of each overhanging arm far away from the column body is provided with a mounting arm which overhangs downwards, and the lower end of each mounting arm is provided with a clamping hook used for clamping the edge of a thin plate; the lower extreme of cylinder is equipped with the electro-magnet, and the pothook is kept away from be equipped with the mounting panel on one side of cylinder, rotate on the mounting panel and install the sheave, it has the stay cord to coil on the sheave, be equipped with on the free end of stay cord and lift iron plate, still be equipped with on the mounting panel and be used for the locking mechanism of sheave. The invention effectively solves the problem that the thin plate with large area and small thickness can not be directly lifted and transported because the thin plate is easy to deform and damage, can lift the thin plate in a single layer or multiple layers, and has wide application range.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a hoisting device for hoisting a thin plate and a crane comprising the same.
Background
The crane is used as a main material carrying and transferring tool and comprises a body, a lifting rope and a lifting hook, wherein the facing target materials are various, one type of materials are plates, such as steel plates, wood plates, composite plates and the like, aiming at the steel plates, a magnetic type lifting device is currently provided, namely the steel plates are attracted by magnetic force so as to lift and transfer the steel plates, the wood plates and other plates without magnetism are mainly lifted by clamping hooks, the clamping hooks are hook-shaped with a jaw structure and are clamped at the edges of the plates and clamp the plates under the self weight of the plates, but the lifting device can only lift and transfer plates with larger thickness, plates with stronger bending resistance and plates with smaller area, and the lifting demand of the plates with smaller thickness and larger area for directly lifting the plates can not be clamped due to larger bending deformation of the plates, Unsafe lifting or thin plate damage and the like.
Chinese patent publication No. CN108059077A discloses a bending-proof thin plate hanger, which includes magnets, hanging tongs and fixed pulley sets, and this technique mainly depends on the attraction of magnets to thin plates to cooperate with the hanging tongs to prevent the bending of thin plates, but this technique is obviously not suitable for non-magnetic plates such as wood plates, and it is unable to effectively prevent the bending of the plates between the magnets and the hanging tongs when the area of the plates is larger, and another chinese patent publication No. CN201195661Y discloses a permanent bending-proof thin plate hanger, which includes steel pipes, lifting lugs, and steel wire ropes, and this technique increases the plane bending rigidity of the thin plates through a chord frame system, but obviously this technique cannot provide effective correction when the plate is bent down at the position between two sets of steel hooks.
Therefore, based on the defects and the use requirements of the prior art, it is necessary to develop hoisting equipment suitable for hoisting and transporting various thin plates with large areas and small thicknesses.
Disclosure of Invention
The invention provides a lifting device for lifting a thin plate, which aims to solve the problem that the existing lifting device can not effectively prevent and correct the thin plate from bending downwards when the thin plate with large lifting transfer area and small thickness is lifted. Simultaneously, a crane comprising the hoisting device is also provided.
The hoisting device for hoisting the thin plate adopts the following technical scheme:
a hoisting device for hoisting a thin plate is used for being matched with a hoisting rope of a crane to hoist and transfer the thin plate, and comprises a column body, the axis of which extends along the vertical direction, wherein the upper end of the column body is provided with a hoisting wheel for winding the hoisting rope; the periphery of the column body is provided with at least three overhanging arms around the axis of the column body, each overhanging arm extends along the radial direction of the column body, one end of each overhanging arm far away from the column body is provided with a mounting arm which overhangs downwards, and the lower end of each mounting arm is provided with a clamping hook used for clamping the edge of a thin plate; the lower extreme of cylinder is equipped with the electro-magnet, and the pothook is kept away from be equipped with the mounting panel on one side of cylinder, rotate on the mounting panel and install the sheave, it has the stay cord to coil on the sheave, be equipped with on the free end of stay cord and lift iron plate, still be equipped with on the mounting panel and be used for the locking mechanism of sheave.
The locking mechanism comprises a ratchet wheel coaxially and fixedly connected with the grooved wheel, a pawl matched with the ratchet wheel in a single-steering locking mode is arranged on the mounting plate, and the pawl locks the ratchet wheel when the pulling rope on the grooved wheel tends to extend, so that the pulling rope is prevented from extending continuously.
And one side of the ratchet wheel is provided with a handle for driving the ratchet wheel to rotate.
And the column body is also provided with a structure reinforcing mechanism which corresponds to the overhanging arms one by one and is used for drawing the overhanging arms.
The structure reinforcing mechanism comprises two pull rings and a pull rope, wherein the pull rings are arranged on the column body and the corresponding overhanging arm respectively, the pull rope is connected with the two pull rings, and the pull rings on the column body are positioned above the overhanging arm.
The lower extreme of cylinder is equipped with the balancing weight, the electro-magnet sets up the lower extreme of balancing weight.
And an elastic buffer structure is arranged on the lower end surface of the electromagnet.
The elastic buffer structure is a rubber pad which is fixedly stuck on the lower end face of the electromagnet.
The column body comprises an upper column body and a lower column body, the lower end of the upper column body is matched with the upper end of the lower column body in a circumferential rotating and axial blocking mode, the hoisting wheels are arranged at the upper end of the upper column body, and the suspension arms are arranged on the periphery of the lower column body.
The crane adopts the following technical scheme:
a crane comprises a body, a lifting rope and a lifting device, wherein the lifting device is used for being matched with the lifting rope to lift and transfer a thin plate, the lifting device comprises a cylinder body, the axis of the cylinder body extends along the vertical direction, and a lifting wheel for winding the lifting rope is arranged at the upper end of the cylinder body; the periphery of the column body is provided with at least three overhanging arms around the axis of the column body, each overhanging arm extends along the radial direction of the column body, one end of each overhanging arm far away from the column body is provided with a mounting arm which overhangs downwards, and the lower end of each mounting arm is provided with a clamping hook used for clamping the edge of a thin plate; the lower extreme of cylinder is equipped with the electro-magnet, and the pothook is kept away from be equipped with the mounting panel on one side of cylinder, rotate on the mounting panel and install the sheave, it has the stay cord to coil on the sheave, be equipped with on the free end of stay cord and lift iron plate, still be equipped with on the mounting panel and be used for the locking mechanism of sheave.
The locking mechanism comprises a ratchet wheel coaxially and fixedly connected with the grooved wheel, a pawl matched with the ratchet wheel in a single-steering locking mode is arranged on the mounting plate, and the pawl locks the ratchet wheel when the pulling rope on the grooved wheel tends to extend, so that the pulling rope is prevented from extending continuously.
And one side of the ratchet wheel is provided with a handle for driving the ratchet wheel to rotate.
And the column body is also provided with a structure reinforcing mechanism which corresponds to the overhanging arms one by one and is used for drawing the overhanging arms.
The structure reinforcing mechanism comprises two pull rings and a pull rope, wherein the pull rings are arranged on the column body and the corresponding overhanging arm respectively, the pull rope is connected with the two pull rings, and the pull rings on the column body are positioned above the overhanging arm.
The lower extreme of cylinder is equipped with the balancing weight, the electro-magnet sets up the lower extreme of balancing weight.
And an elastic buffer structure is arranged on the lower end surface of the electromagnet.
The elastic buffer structure is a rubber pad which is fixedly stuck on the lower end face of the electromagnet.
The column body comprises an upper column body and a lower column body, the lower end of the upper column body is matched with the upper end of the lower column body in a circumferential rotating and axial blocking mode, the hoisting wheels are arranged at the upper end of the upper column body, and the suspension arms are arranged on the periphery of the lower column body.
The invention has the beneficial effects that: the clamping hook of the invention can clamp the edge of the thin plate, the pulling rope wound on the mounting plate of the clamping hook can be manually elongated after the locking state of the locking mechanism is released, after the clamping hook clamps the thin plate and rises to a certain height, the pulling rope is elongated to send the lifting iron plate to the position of the lower end of the thin plate corresponding to the electromagnet, and simultaneously the thin plate is manually assisted and flattened, the electromagnet can be started to lift the middle part of the thin plate by utilizing the force generated by the attraction of the lifting iron plate by the electromagnet, so that the deformation and the downward bending of the thin plate are effectively prevented, then, the length of the pulling rope is locked, the auxiliary lifting support can be carried out on the position of the thin plate between the electromagnet and the clamping hook, the bending of the thin plate is avoided and corrected by the tightened pulling rope, the purpose of preventing the bending is achieved, finally, under the common matching of the lifting iron plate, the pulling rope and, the multi-layer hoisting can be realized, the hoisting can be realized on the thin plates made of all materials, the using effect is good, and the application range is wide.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a specific embodiment of a hoisting device for hoisting thin plates according to the present invention (only two suspension arms are illustrated);
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is an enlarged schematic view at B of FIG. 1;
FIG. 4 is a schematic diagram of the initial stage of hoisting according to the present invention;
FIG. 5 is a schematic view of the invention in a hoist condition;
in the figure: 1. lifting rope, 2, upper column body, 3, lower column body, 4, balancing weight, 5, electromagnet, 6, rubber pad, 7, traction rope, 71, pull ring, 8, overhanging arm, 81, mounting arm, 82, hook, 83, mounting plate, 84, grooved pulley, 85, pull rope, 86, lifting iron plate, 87, pawl, 88, ratchet wheel, 89, handle, 9 and sheet metal.
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.
The embodiment of the invention relates to a hoisting device for hoisting a thin plate 9, which is used for hoisting and transporting the thin plate 9 by matching with a hoisting rope 1 of a crane and comprises a column body with an axis extending along the vertical direction, wherein the upper end of the column body is provided with a hoisting wheel for winding the hoisting rope 1; at least three overhanging arms 8 are arranged around the axis of the column body on the periphery of the column body, each overhanging arm 8 extends along the radial direction of the column body, one end far away from the column body is provided with a mounting arm 81 which overhangs downwards, and the lower end of the mounting arm 81 is provided with a clamping hook 82 used for clamping the edge of the thin plate 9; the lower end of the column body is provided with an electromagnet 5, one side of the hook 82, which is far away from the column body, is provided with an installation plate 83, the installation plate 83 is rotatably provided with a grooved wheel 84, a pull rope 85 is wound on the grooved wheel 84, the free end of the pull rope 85 is provided with a lifting iron plate 86, and the installation plate 83 is further provided with a locking mechanism for locking the grooved wheel 84. In the present embodiment, four suspension arms 8 are provided, only two suspension arms 8 are illustrated in the figure, the front and rear suspension arms 8 and their auxiliary structures are not shown, and four hooks 82 respectively clamp four sides of the thin plate 9.
Further, the locking mechanism comprises a ratchet wheel 88 coaxially and fixedly connected with the grooved wheel 84, a pawl 87 matched with the ratchet wheel 88 in a single-rotation locking mode is arranged on the mounting plate 83, and the pawl 87 locks the ratchet wheel 88 when the pulling rope 85 on the grooved wheel 84 tends to extend so as to prevent the pulling rope 85 from extending continuously.
In other embodiments, the locking mechanism may also be a latch structure, that is, a latch is slidably disposed on the mounting plate, a slot is correspondingly disposed on the sheave, and the latch is inserted into the slot to achieve locking, or vice versa to release locking.
Further, in order to facilitate the rotation of the ratchet 88 and the grooved pulley 84, a handle 89 for driving the ratchet 88 to rotate is provided at one side of the ratchet 88.
Further, in order to enhance the structural strength of the cantilever arm 8 and avoid bending due to overlong length, the column body is further provided with a structural reinforcing mechanism which is in one-to-one correspondence with the cantilever arm 8 and used for drawing the cantilever arm 8.
Further, the structure strengthening mechanism comprises two pull rings 71 respectively arranged on the column body and the corresponding cantilever arm 8, and a pull rope 7 connecting the two pull rings 71, wherein the pull ring 71 on the column body is positioned above the cantilever arm 8.
In other embodiments, the structure reinforcing mechanism may also be a pull rod, and both ends of the pull rod are respectively and fixedly connected with the column body and the suspension arm.
Furthermore, in order to avoid the problem that the weight is too light and is easily blown by air flow to generate violent shaking, the lower end of the column body is provided with a balancing weight 4, and the electromagnet 5 is arranged at the lower end of the balancing weight 4.
Furthermore, in order to avoid damaging the surface of the thin plate 9, an elastic buffer structure is arranged on the lower end surface of the electromagnet 5, and the lifting iron plate 86 can also be laid with the elastic buffer structure.
Furthermore, the elastic buffer structure is a rubber pad 6 which is stuck and fixed on the lower end surface of the electromagnet 5; other embodiments may also be cotton cloth, sponge, etc.
Further, in order to adjust the orientation of the sheet 9 in a lifting state, the column includes an upper column 2 and a lower column 3, the lower end of the upper column 2 and the upper end of the lower column 3 are in circumferential rotation and axial stop fit, the fit is the prior art, and is not described too much, the lifting wheel is arranged at the upper end of the upper column 2, and each suspension arm 8 is arranged on the circumferential side of the lower column 3.
When the lifting device is used specifically, the lifting device is moved to the position above the thin plate 9, each hook 82 is manually clamped at the edge position of the thin plate 9, then the lifting device is lifted upwards slightly, as shown in fig. 4, the locking of the ratchet wheel 88 by the pawl 87 is released at the moment, the lifting iron plate 86 is pulled to send the lifting iron plate 86 to the position below the electromagnet 5, the electromagnet 5 is electrified to attract the lifting iron plate 86, the lifting iron plate 86 gradually lifts the thin plate 9 to gradually reduce the deformation of the thin plate 9 in the process that the electromagnet 5 attracts the lifting iron plate 86 to approach the thin plate, finally the lifting iron plate 86 presses the corresponding position of the thin plate 9 to the electromagnet 5, at the moment, the ratchet wheel 88 is locked by the pawl 87, the pull rope 85 cannot extend, the pull rope 85 is tightened to play a lifting role for the rest positions of the thin plate 9, and finally the thin plate 9 is limited by the hooks 82, the pull rope 85 and the lifting iron plate 86 together, so that the thin plate 9 can be safely clamped without excessive deformation, Effectual the transportation of lifting by crane, labour saving and time saving need not the participation of other appurtenance and can directly lift by crane the thin plate 9 that the transportation area is big, thickness is little, does not have the requirement to the surface condition of thin plate 9, and the surface is rough, has crisscross slot, fold and smooth thin plate and all is suitable for.
The invention effectively solves the problem that the thin plate 9 with large area and small thickness can not be directly hoisted and transported because the thin plate is easy to deform and damage, can hoist the thin plate 9 in a single layer or in multiple layers, and has good use effect and wide application range.
The utility model provides a crane, includes body, lifting rope, still includes the hoisting accessory who is used for lifting by crane the transportation to the sheet metal with the lifting rope cooperation, hoisting accessory as above a hoisting accessory for sheet metal handling, so no longer give unnecessary details.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a hoisting accessory for sheet metal handling for lift by crane the transportation to the sheet metal with the cooperation of the lifting rope of hoist, its characterized in that: the lifting device comprises a cylinder body, the axis of which extends along the vertical direction, and a lifting wheel for winding a lifting rope is arranged at the upper end of the cylinder body; the periphery of the column body is provided with at least three overhanging arms around the axis of the column body, each overhanging arm extends along the radial direction of the column body, one end of each overhanging arm far away from the column body is provided with a mounting arm which overhangs downwards, and the lower end of each mounting arm is provided with a clamping hook used for clamping the edge of a thin plate; the lower extreme of cylinder is equipped with the electro-magnet, and the pothook is kept away from be equipped with the mounting panel on one side of cylinder, rotate on the mounting panel and install the sheave, it has the stay cord to coil on the sheave, be equipped with on the free end of stay cord and lift iron plate, still be equipped with on the mounting panel and be used for the locking mechanism of sheave.
2. The hoisting device for hoisting the thin plates as claimed in claim 1, wherein: the locking mechanism comprises a ratchet wheel coaxially and fixedly connected with the grooved wheel, a pawl matched with the ratchet wheel in a single-steering locking mode is arranged on the mounting plate, and the pawl locks the ratchet wheel when the pulling rope on the grooved wheel tends to extend, so that the pulling rope is prevented from extending continuously.
3. The hoisting device for hoisting the thin plates as claimed in claim 2, wherein: and one side of the ratchet wheel is provided with a handle for driving the ratchet wheel to rotate.
4. The hoisting device for hoisting the thin plates as claimed in claim 1, wherein: and the column body is also provided with a structure reinforcing mechanism which corresponds to the overhanging arms one by one and is used for drawing the overhanging arms.
5. The hoisting device for hoisting the thin plates as claimed in claim 4, wherein: the structure reinforcing mechanism comprises two pull rings and a pull rope, wherein the pull rings are arranged on the column body and the corresponding overhanging arm respectively, the pull rope is connected with the two pull rings, and the pull rings on the column body are positioned above the overhanging arm.
6. The hoisting device for hoisting the thin plates as claimed in claim 1, wherein: the lower extreme of cylinder is equipped with the balancing weight, the electro-magnet sets up the lower extreme of balancing weight.
7. The hoisting device for hoisting the thin plates as claimed in claim 6, wherein: and an elastic buffer structure is arranged on the lower end surface of the electromagnet.
8. The hoisting device for hoisting the thin plates as claimed in claim 7, wherein: the elastic buffer structure is a rubber pad which is fixedly stuck on the lower end face of the electromagnet.
9. A lifting apparatus for sheet handling as claimed in any one of claims 1 to 8, wherein: the column body comprises an upper column body and a lower column body, the lower end of the upper column body is matched with the upper end of the lower column body in a circumferential rotating and axial blocking mode, the hoisting wheels are arranged at the upper end of the upper column body, and the suspension arms are arranged on the periphery of the lower column body.
10. The utility model provides a crane, includes body, lifting rope, its characterized in that: the lifting device is used for being matched with the lifting rope to lift and transport the thin plate, and the lifting device is used for lifting the thin plate according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628867.1A CN113247755B (en) | 2021-06-07 | 2021-06-07 | Hoisting device for hoisting thin plate and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628867.1A CN113247755B (en) | 2021-06-07 | 2021-06-07 | Hoisting device for hoisting thin plate and crane comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113247755A true CN113247755A (en) | 2021-08-13 |
| CN113247755B CN113247755B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110628867.1A Active CN113247755B (en) | 2021-06-07 | 2021-06-07 | Hoisting device for hoisting thin plate and crane comprising same |
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| Country | Link |
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| CN (1) | CN113247755B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030986A (en) * | 2021-11-23 | 2022-02-11 | 中国矿业大学 | Lifting appliance and method for transferring materials of underground auxiliary transportation system |
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|---|---|---|---|---|
| CN114030986A (en) * | 2021-11-23 | 2022-02-11 | 中国矿业大学 | Lifting appliance and method for transferring materials of underground auxiliary transportation system |
| CN114030986B (en) * | 2021-11-23 | 2023-10-03 | 中国矿业大学 | Lifting appliance and method for transferring materials of underground auxiliary transportation system |
| US11919748B2 (en) | 2021-11-23 | 2024-03-05 | China University Of Mining And Technology | Hoist for transferred materials in underground auxiliary transportation system and method thereof |
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| CN113247755B (en) | 2021-12-14 |
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