CN212269185U - Hoisting device with variable hoisting diameter - Google Patents
Hoisting device with variable hoisting diameter Download PDFInfo
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- CN212269185U CN212269185U CN202020938585.2U CN202020938585U CN212269185U CN 212269185 U CN212269185 U CN 212269185U CN 202020938585 U CN202020938585 U CN 202020938585U CN 212269185 U CN212269185 U CN 212269185U
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- hoisting
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Abstract
The utility model discloses a hoisting device with variable hoisting diameter, which comprises a hoisting rod, a mounting seat arranged on the hoisting rod, and a plurality of hoists arranged at intervals around the circumference of the mounting seat, wherein a ring opening is formed by enclosing the hoists, the hoists can move along the direction close to or far away from the mounting seat respectively, and when the hoists move along the direction close to the mounting seat respectively, the caliber of the ring opening is gradually reduced; when the plurality of lifting appliances move along the direction far away from the mounting seat respectively, the caliber of the ring opening is gradually increased. The utility model discloses a hoisting accessory through setting up a plurality of slings that can move along the direction that is close to or keeps away from the jib for when the annular part of different diameters needs to be lifted by crane, only need to change between a plurality of hoists the bore that forms the ring mouth can, changeable bore can be applicable to the annular part of multiple different diameters in a flexible way, has increased the universality that this hoisting accessory is suitable for, and very big saving the cost of lifting by crane.
Description
Technical Field
The utility model relates to a transport of part lifts by crane the field, concretely relates to changeable hoisting accessory of handling diameter.
Background
At present, to the lifting by crane of annular part, utilize hoisting accessory to realize usually, this hoisting accessory includes the hoist that a plurality of rings were arranged, and enclose synthetic ring mouth between these a plurality of hoists and can with the annular part phase-match, hoist annular part's circumference anchor ring respectively through a plurality of hoists to realize lifting by crane of whole part. However, for the annular parts with different diameters, a corresponding special hoisting device matched with the annular opening is needed, and each annular part with different diameters needs to be correspondingly provided with a special hoisting device, so that the hoisting cost is greatly increased.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, provide a changeable hoisting accessory of handling diameter.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a hoisting device with a variable hoisting diameter comprises a hoisting rod, a mounting seat arranged on the hoisting rod, and a plurality of hoisting tools arranged at intervals around the circumference of the mounting seat, wherein a ring opening is formed by enclosing the plurality of hoisting tools,
the plurality of lifting appliances can move along the direction close to or far away from the mounting seat respectively, and when the plurality of lifting appliances move along the direction close to the mounting seat respectively, the caliber of the ring opening is gradually reduced; when the plurality of lifting appliances move along the direction far away from the mounting seat, the caliber of the ring opening is gradually increased.
Preferably, the mount pad includes that slidable locates slide block on the jib, locate fixing base on the jib, hoisting accessory still includes round a plurality of scissors fork subassembly that the circumference interval of mount pad set up, a plurality of hoists correspond connect in a plurality of scissors fork subassemblies on, scissors fork subassembly includes first scissors fork pole and second scissors fork pole of mutual articulated, first scissors fork pole one end rotatable connect in on the slide block, the other end rotatable connect in hoist one end, second scissors fork pole one end rotatable connect in on the fixing base, the other end rotatable and slidable connect in on the hoist.
Further preferably, the middle part of the first scissor rod is hinged with the middle part of the second scissor rod.
Further preferably, the lifting device further comprises a rotating shaft which is rotatably connected to the hanging rod and is coaxially arranged with the hanging rod, and the fixed seat is mounted at the end part of the rotating shaft.
Further preferably, the lifting appliance comprises a support, a suction cup arranged on the support, and a sliding block arranged on the support and capable of sliding along the length direction of the support, and the other end of the second scissor rod is rotatably connected to the sliding block.
Still further preferably, the hanger further comprises a guide rail arranged on the bracket, and the sliding block is slidably arranged on the guide rail.
Preferably, the lifting device further comprises a driving assembly for driving the sliding seat to slide, the driving assembly comprises a speed reducer, a first gear sleeved on an output shaft of the speed reducer, and a second gear meshed with the first gear, the suspension rod is a screw rod, the screw rod and the fixed seat can rotate relatively, and the second gear is meshed with the screw rod.
Still further preferably, the lifting device further comprises a nut screwed to the suspension rod, and the sliding seat is slidably disposed on the suspension rod through the nut.
Still further preferably, the nut is sleeved on the suspension rod, and the sliding seat is annularly arranged on the peripheral side part of the nut.
Preferably, the lifting device further comprises a lifting lug detachably connected to the upper part of the suspension rod.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a hoisting accessory through setting up a plurality of slings that can move along the direction that is close to or keeps away from the jib for when the annular part of different diameters is lifted by crane to needs, only need change between a plurality of hoists the bore that forms the ring mouth can, changeable bore can be applicable to the annular part of multiple different diameters in a flexible way, has increased the universality that this hoisting accessory is suitable for, and very big reduction the cost of lifting by crane.
Drawings
Fig. 1 is a schematic structural diagram of a lifting device in an embodiment of the present invention;
FIG. 2 is a schematic view of the direction A in FIG. 1.
Wherein: 1. a boom; 2. a mounting seat; 21. a sliding seat; 22. a fixed seat; 3. a spreader; 31. a support; 32. a suction cup; 33. a slider; 34. a guide rail; 4. a scissor assembly; 41. a first scissor lever; 42. a second scissor lever; 5. a rotating shaft; 6. a drive assembly; 61. a speed reducer; 62. a first gear; 63. a second gear; 7. a nut; 8. lifting lugs; 9. and (4) a storage battery.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to a lifting device's to annular part improvement to the problem that lifting device among the solution prior art can't be applicable to the annular part of different diameters. The improved lifting device has the advantages that the lifting devices capable of moving along the direction close to or far away from the lifting rods are arranged, so that when annular parts of different diameters need to be lifted, the calibers of the annular openings formed among the lifting devices only need to be changed, the variable calibers can be flexibly suitable for the annular parts of different diameters, the application universality of the lifting device is increased, and the lifting cost is greatly reduced.
Referring to fig. 1-2, a hoisting device with a variable hoisting diameter is shown, which comprises a boom 1 arranged along a vertical direction, a mounting seat 2 arranged on the boom 1, and a plurality of spreaders 3 arranged around the circumference of the mounting seat 2 at intervals, wherein the spreaders 3 are located in the same plane and can be enclosed into a ring.
As shown in fig. 2, there are six spreaders 3, six spreaders 3 can move respectively in the direction approaching to or departing from the mounting base 2, and the caliber of the ring mouth gradually decreases when the six spreaders 3 move respectively in the direction approaching to the mounting base 2; when the six lifting appliances 3 move along the direction far away from the mounting base 2, the caliber of the ring opening is gradually increased.
When the diameter of the annular part is smaller, the six lifting appliances 3 are controlled to move along the direction close to the mounting base 2, so that the annular opening is reduced and the lifting of the small-diameter part can be adapted; when the diameter of the annular part is larger, the six lifting appliances 3 are controlled to move along the direction far away from the mounting base 2, so that the annular opening is enlarged and the lifting of the large-diameter part can be adapted. The device simple structure, convenient operation, a tractor serves several purposes, very big reduction the handling cost.
In this embodiment, as shown in fig. 1, the mounting seat 2 includes a sliding seat 21 slidably disposed on the suspension rod 1, a rotating shaft 5 rotatably connected to the bottom of the suspension rod 1 and coaxially disposed with the suspension rod 1, a fixing seat 2 installed at the bottom of the rotating shaft 5, six scissor assemblies 4 disposed around the circumferential direction of the mounting seat 2 at intervals, six spreaders 3 are correspondingly connected to the six scissor assemblies 4, the scissor assemblies 4 include a first scissor rod 41 and a second scissor rod 42 hinged to each other, one end of the first scissor rod 41 is rotatably connected to the sliding seat 21, the other end is rotatably connected to the lower end of the spreader 3, one end of the second scissor rod 42 is rotatably connected to the fixing seat 22, and the other end is rotatably and slidably connected to the spreader 3.
Wherein, the middle part of the first scissors rod 41 is hinged with the middle part of the second scissors rod 42. When the diameter of the ring opening needs to be changed, only the sliding seat 21 needs to be driven to slide, and the sliding seat 21 drives the scissor assembly 4 to do scissor movement, so as to drive the lifting appliance 3 to move. Specifically, when the sliding seat 21 slides downwards, the first scissor rod 41 is driven to rotate anticlockwise, the first scissor rod 41 drives the second scissor rod 42 to rotate clockwise, the other end of the second scissor rod 42 slides downwards on the lifting appliance 3, and the lifting appliance 3 is driven to move in a direction away from the mounting seat 2 under the relative movement of the first scissor rod 41 and the second scissor rod 42; when the sliding seat 21 slides upwards, the first scissor rod 41 is driven to rotate clockwise, the first scissor rod 41 drives the second scissor rod 42 to rotate anticlockwise, the other end of the second scissor rod 42 slides upwards on the lifting appliance 3, and the lifting appliance 3 is driven to move along the direction close to the mounting seat 2 under the relative movement of the first scissor rod 41 and the second scissor rod 42.
Of course, the scissors assembly 4 in this embodiment may also be replaced by an air cylinder, and the movement of the spreader 3 is realized by the extension and contraction of the piston rod of the air cylinder.
In this embodiment, as shown in fig. 1, the lifting appliance 3 includes a support 31 disposed along the vertical direction, a suction cup 32 disposed at the bottom of the support 31, a guide rail 34 disposed on the support 31 along the length direction of the support 31, a slide block 33 slidably disposed on the guide rail 34, and the other end of the second scissor bar 42 is rotatably connected to the slide block 33.
The suction cup 32 is a commercially available electromagnetic suction cup, and has a waterproof property. The sliding seat 21 is also provided with a storage battery 9 which is controlled by a storage battery capacitor DC 500V and used for supplying power to the electromagnetic chuck. The magnetic attraction principle of the specific electromagnetic chuck is the prior art and is not described herein.
As shown in fig. 1, the hoisting device further includes a driving assembly 6 for driving the sliding seat 21 to slide, the driving assembly 6 includes a speed reducer 61, a first gear 62 sleeved on an output shaft of the speed reducer 61, and a second gear 63 engaged with the first gear 62, the boom 1 is a screw rod, the screw rod and the rotating shaft 5 can rotate relatively, and the second gear 63 is engaged with the screw rod. The lifting device further comprises a nut 7 in threaded connection with the suspender 1, the nut 7 is sleeved on the suspender 1, and the sliding seat 21 is annularly arranged on the peripheral side part of the nut 7. The slide base 21 is slidably provided on the boom 1 via a nut 7.
Here, the reduction gear 61 is mounted on a reduction gear base provided on the slide base 21. The first gear 62 is driven to rotate through the speed reducer 61, the second gear 63 is driven to rotate by the first gear 62, the suspender 1 is driven to rotate by the second gear 63, and the sliding seat 21 is lifted through the relative motion between the nut 7 and the suspender 1. In this embodiment, the driving assembly 6 is a commercially available screw elevator, and other standard parts included therein are not described again.
When the hoisting diameter is adjusted and the hoisting is ready, the speed reducer 61 is locked by the self-locking function of the purchased speed reducer 61, so that the sliding seat 21 is locked, and the hoisting is prevented from being influenced by the secondary movement of the hoisting tool 3.
In this embodiment, the hoisting device further comprises a lifting lug 8 detachably connected to the upper part of the boom 1. The lifting lug 8 is here bolted to the boom 1.
In the embodiment, in order to ensure the strength of the lifting device, the sliding seat 21 is formed by welding 140 × 10mm square tubes, the fixed seat 22 is formed by welding 120 × 10mm square tubes, and the first scissor rod 41 and the second scissor rod 42 are made of 120 × 10mm square tubes and Q345 steel plates, and have the characteristics of light weight, high strength and the like.
The lifting device of the embodiment has the maximum lifting weight of 5000kg, the minimum lifting diameter of 2000mm and the maximum lifting diameter of 5000mm, and can be suitable for various annular parts with different diameters.
The following specifically explains the working process of this embodiment: before hoisting, when the hoisting diameter needs to be adjusted according to the diameter of the annular part, the speed reducer 61 is started, the lead screw lifting principle is realized through the transmission of gears and a screw rod, the sliding seat 21 is driven to lift, and then the shearing fork assembly 4 is driven to do shearing fork movement, so that the movement of the hoisting tool 3 is realized, the diameter change of the annular opening is realized, and the change of the hoisting diameter is finally realized;
when the hoisting diameter is matched with the diameter of the annular part, the storage battery supplies electricity to the electromagnetic chuck, so that an electromagnetic field is formed at the lower part of the electromagnetic chuck and the annular surface of the annular part can be sucked, and thus hoisting is realized.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a changeable hoisting accessory of handling diameter which characterized in that: the lifting device comprises a hanger rod (1), a mounting seat (2) arranged on the hanger rod (1), and a plurality of lifting appliances (3) arranged around the mounting seat (2) at intervals in the circumferential direction, wherein a ring opening is formed by enclosing the plurality of lifting appliances (3),
the plurality of lifting appliances (3) can move along the direction close to or far away from the mounting seat (2), and when the plurality of lifting appliances (3) move along the direction close to the mounting seat (2), the caliber of the ring opening is gradually reduced; when the plurality of lifting appliances (3) move along the direction far away from the mounting seat (2), the caliber of the ring opening is gradually increased.
2. The hoisting device with the variable hoisting diameter as set forth in claim 1, wherein: mount pad (2) are located including slidable sliding seat (21) on jib (1), locate fixing base (22) on jib (1), hoisting accessory still include round a plurality of scissors fork subassembly (4) that the circumference interval of mount pad (2) set up, a plurality of hoist (3) correspond connect in a plurality of scissors fork subassembly (4) on, scissors fork subassembly (4) including mutual articulated first scissors fork pole (41) and second scissors fork pole (42), first scissors fork pole (41) one end rotatable connect in on sliding seat (21), the other end rotatable connect in hoist (3) one end, second scissors fork pole (42) one end rotatable connect in on fixing base (22), the other end rotatable and slidable connect in on hoist (3).
3. The hoisting device with the variable hoisting diameter as set forth in claim 2, wherein: the middle part of the first scissor rod (41) is hinged with the middle part of the second scissor rod (42).
4. The hoisting device with the variable hoisting diameter as set forth in claim 2, wherein: the lifting device further comprises a rotating shaft (5) which is rotatably connected to the hanging rod (1) and is coaxially arranged with the hanging rod (1), and the fixed seat (22) is installed at the end part of the rotating shaft (5).
5. The hoisting device with the variable hoisting diameter as set forth in claim 2, wherein: the lifting appliance (3) comprises a support (31), a suction cup (32) arranged on the support (31), and a sliding block (33) arranged on the support (31) and capable of sliding along the length direction of the support (31), wherein the other end of the second scissor rod (42) is rotatably connected onto the sliding block (33).
6. The hoisting device with the variable hoisting diameter as set forth in claim 5, wherein: the lifting appliance (3) further comprises a guide rail (34) arranged on the support (31), and the sliding block (33) is arranged on the guide rail (34) in a sliding mode.
7. The hoisting device with the variable hoisting diameter as set forth in claim 2, wherein: the lifting device further comprises a driving assembly (6) used for driving the sliding seat (21) to slide, the driving assembly (6) comprises a speed reducer (61), a first gear (62) sleeved on an output shaft of the speed reducer (61), and a second gear (63) meshed with the first gear (62), the lifting rod (1) is a screw rod, the screw rod and the fixed seat (22) can rotate relatively, and the second gear (63) is meshed with the screw rod.
8. The hoisting device with the variable hoisting diameter as set forth in claim 7, wherein: the lifting device further comprises a nut (7) in threaded connection with the suspender (1), and the sliding seat (21) is slidably arranged on the suspender (1) through the nut (7).
9. The hoisting device with the variable hoisting diameter as set forth in claim 8, wherein: the nut (7) is sleeved on the suspension rod (1), and the sliding seat (21) is annularly arranged on the peripheral side part of the nut (7).
10. The hoisting device with the variable hoisting diameter as set forth in claim 1, wherein: the hoisting device also comprises a lifting lug (8) detachably connected to the upper part of the suspender (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938585.2U CN212269185U (en) | 2020-05-28 | 2020-05-28 | Hoisting device with variable hoisting diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938585.2U CN212269185U (en) | 2020-05-28 | 2020-05-28 | Hoisting device with variable hoisting diameter |
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| Publication Number | Publication Date |
|---|---|
| CN212269185U true CN212269185U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020938585.2U Active CN212269185U (en) | 2020-05-28 | 2020-05-28 | Hoisting device with variable hoisting diameter |
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| CN (1) | CN212269185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336086A (en) * | 2021-06-18 | 2021-09-03 | 沈阳汇博热能设备有限公司 | Special lifting appliance for thin-wall cylindrical component |
-
2020
- 2020-05-28 CN CN202020938585.2U patent/CN212269185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336086A (en) * | 2021-06-18 | 2021-09-03 | 沈阳汇博热能设备有限公司 | Special lifting appliance for thin-wall cylindrical component |
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Address after: Workshop No. 1 (Vanjue Machinery), Building 1, Nanshagang West Village (east side of Tianhai Road), Jingang Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215000 Patentee after: Jiangsu Fanjue Machinery Manufacturing Co.,Ltd. Address before: 320b, building a, emerging industry development center, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province (fanjue Technology) Patentee before: Jiangsu fanjue Technology Co.,Ltd. |