CN113651235B - Crane sling positioning mechanism and positioning method - Google Patents
Crane sling positioning mechanism and positioning method Download PDFInfo
- Publication number
- CN113651235B CN113651235B CN202111013070.7A CN202111013070A CN113651235B CN 113651235 B CN113651235 B CN 113651235B CN 202111013070 A CN202111013070 A CN 202111013070A CN 113651235 B CN113651235 B CN 113651235B
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- frustum
- block
- groove
- positioning mechanism
- sliding
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B66C1/42—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a crane sling positioning mechanism and a positioning method, wherein the crane sling positioning mechanism comprises a crane sling positioned on a truss, the bottom of the crane sling is provided with a positioning mechanism, the bottom of the positioning mechanism is provided with a supporting plate, the bottom of the supporting plate is fixedly connected with a clamping mechanism, a frustum block is arranged below the sling and is matched with a frustum groove in a mounting block, when the frustum block only has a part falling into the interior of the frustum groove, due to the cambered surface of the frustum groove, the frustum can fall into the interior of the frustum groove, and a positioning rod in the frustum groove is inserted into a storage cavity, and a through hole is jacked up by the circular arc block, so that a sliding rod slides into the interior of a connecting groove, thereby connecting the frustum block with the mounting block.
Description
Technical Field
The invention relates to the technical field of crane sling positioning, in particular to a crane sling positioning mechanism and a positioning method.
Background
The crane sling is a device for lifting heavy objects in a lifting machine, the most common sling for lifting finished objects is a lifting hook and a hanging strip, and other slings, lifting chucks, clamps, forks and the like are widely applied to the lifting industry.
The current hoist is in the in-process wire rope or chain that goes up and down take place to rock easily, consequently is difficult to realize accurate location to the position of lifting by crane between object and the hoist to need the staff to intervene when fixing a position the hoist, not only waste time, strengthened staff's intensity of labour moreover.
Disclosure of Invention
The invention aims to provide a crane lifting appliance positioning mechanism and a positioning method, wherein a frustum block is arranged below a lifting appliance, the frustum can fall into the interior of a frustum groove, a positioning rod in the frustum groove is inserted into the interior of a storage cavity, and a through hole is jacked up by an arc block, so that a sliding rod slides into the interior of a connecting groove, the frustum block is connected with a mounting block, and the lifting appliance can be connected with a clamping mechanism without staff intervention by only inserting the frustum block into the interior of the frustum groove.
The aim of the invention can be achieved by the following technical scheme:
the crane sling positioning mechanism comprises a crane sling positioned on a truss, wherein the bottom of the crane sling is provided with a positioning mechanism, the bottom of the positioning mechanism is provided with a supporting plate, and the bottom of the supporting plate is fixedly connected with a clamping mechanism;
the positioning mechanism comprises a frustum block positioned at the bottom of the lifting sling and a mounting block positioned at the top of the supporting plate, a frustum groove is formed in the top of the mounting block, a positioning rod is fixedly connected to the bottom of the cavity of the frustum groove, a storage cavity is formed in the bottom of the frustum block, the inner surface of the storage cavity is slidably connected with an arc block, through holes are formed in two sides of the inner wall of the storage cavity, sliding rods are slidably connected to the inner surfaces of the through holes, and connecting grooves are formed in two sides of the inner wall of the frustum groove.
As a further scheme of the invention: the positioning rod is used for jacking the arc block to slide upwards on the inner surface of the storage cavity, and the arc block is used for pushing the sliding rod to slide to one side of the connecting groove.
As a further scheme of the invention: the installation block comprises an installation block, wherein the two sides of the installation block are fixedly connected with installation sleeves, the inner surfaces of the installation sleeves are slidably connected with push rods, a push cavity is formed in one side of the inner wall of the connecting groove, and the outer surfaces of the push rods are slidably connected with the inner surfaces of the push cavities.
As a further scheme of the invention: the clamping mechanism comprises a sliding sleeve positioned at the bottom of the supporting plate, two sides of the sliding sleeve are fixedly connected with sliding plates, a sliding groove is formed in one side of each sliding plate, a pull rod is connected to the inner surface of each sliding groove in a sliding mode, and a clamping block is fixedly connected to the bottom end of each pull rod.
As a further scheme of the invention: the inner surface sliding connection of sliding sleeve has the connecting rod, the bottom fixedly connected with mounting panel of connecting rod, the equal fixedly connected with supporting shoe in both sides of mounting panel, travel groove has been seted up to one side of pull rod, the inner surface in travel groove passes through the internal surface sliding connection of minor axis and supporting shoe.
As a further scheme of the invention: the outer surface of the connecting rod is sleeved with a spring.
As a further scheme of the invention: the top fixedly connected with stopper of connecting rod, the surface of stopper and the interior surface sliding connection of slip cap.
The invention also discloses a positioning method of the crane sling positioning mechanism, which comprises the following steps: the clamping mechanism is clamped on a workpiece to be lifted, then the position of a frustum block in the positioning mechanism is lowered through the lifting sling, when the frustum block falls into the interior of a frustum groove, the frustum block is matched with the inner surface of the frustum groove when falling due to gradual change of the cone shape, meanwhile, the positioning rod is inserted into the inner surface of the frustum block, the two sliding rods are pushed to be inserted into the connecting groove through the arc block, and when the lifting sling is lifted, the connecting rod slides downwards in the sliding sleeve, so that the two pull rods move to one side relatively close to each other, and further clamping is carried out on the workpiece.
The invention has the beneficial effects that:
(1) According to the invention, the frustum block is arranged below the lifting appliance and is matched with the frustum groove in the mounting block, when the frustum block only needs to have a part falling into the interior of the frustum groove, the frustum can fall into the interior of the frustum groove due to the cambered surface of the frustum groove, and the positioning rod in the frustum groove is inserted into the interior of the object placing cavity, and the through hole is jacked by the circular arc block, so that the sliding rod slides into the interior of the connecting groove, and the frustum block and the mounting block are connected.
(2) According to the invention, the sliding sleeve is arranged in the clamping assembly and matched with the two sliding plates on the sliding sleeve, and the pull rod capable of sliding in the sliding groove is reused, so that when the lifting appliance is lifted upwards, the sliding sleeve slides downwards under the action of gravity, and the pull rod moves towards the relatively close side to the moving groove under the action of the supporting block and the travel groove, so that the clamping block on the pull rod further clamps the pull rod.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a crane spreader positioning mechanism of the present invention;
FIG. 2 is a schematic view of the internal structure of the positioning mechanism of the present invention;
fig. 3 is a partial cross-sectional view of the clamping mechanism of the present invention.
In the figure: 1. lifting sling; 2. a positioning mechanism; 21. a frustum block; 22. a mounting block; 23. a conical table groove; 24. a positioning rod; 25. a storage cavity; 26. arc blocks; 27. a through hole; 28. a slide bar; 29. a connecting groove; 210. a mounting sleeve; 211. a push rod; 212. pushing the cavity; 3. a support plate; 4. a clamping mechanism; 41. a sliding sleeve; 42. a sliding plate; 43. a sliding groove; 44. a pull rod; 45. clamping blocks; 46. a mounting plate; 47. a connecting rod; 48. a support block; 49. a travel groove; 410. a spring; 411. and a limiting block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention discloses a crane sling positioning mechanism, which comprises a crane sling 1 positioned on a truss, wherein the bottom of the crane sling 1 is provided with a positioning mechanism 2, the bottom of the positioning mechanism 2 is provided with a supporting plate 3, and the bottom of the supporting plate 3 is fixedly connected with a clamping mechanism 4;
the positioning mechanism 2 comprises a frustum block 21 positioned at the bottom of the lifting appliance 1 and a mounting block 22 positioned at the top of the supporting plate 3, a frustum groove 23 is formed in the top of the mounting block 22, a positioning rod 24 is fixedly connected to the bottom of the inner cavity of the frustum groove 23, a storage cavity 25 is formed in the bottom of the frustum block 21, circular arc blocks 26 are slidably connected to the inner surface of the storage cavity 25, through holes 27 are formed in two sides of the inner wall of the storage cavity 25, sliding rods 28 are slidably connected to the inner surface of the through holes 27, and connecting grooves 29 are formed in two sides of the inner wall of the frustum groove 23.
In the present invention, the positioning rod 24 is used for jacking the circular arc block 26 to slide upwards on the inner surface of the storage cavity 25, and the circular arc block 26 is used for pushing the sliding rod 28 to slide to one side of the connecting groove 29.
In the present invention, the two sides of the installation block 22 are fixedly connected with the installation sleeve 210, the inner surface of the installation sleeve 210 is slidably connected with the push rod 211, one side of the inner wall of the connection groove 29 is provided with the push cavity 212, when the installation block 22 needs to be removed, the push rods 211 on the two sides are pushed, so that the push rods 211 push the sliding rods 28 to be inserted into the frustum block 21 again, the frustum block 21 can be taken out from the frustum groove 23, and the outer surface of the push rods 211 is slidably connected with the inner surface of the push cavity 212.
In the invention, the clamping mechanism 4 comprises a sliding sleeve 41 positioned at the bottom of the supporting plate 3, two sides of the sliding sleeve 41 are fixedly connected with a sliding plate 42, one side of the sliding plate 42 is provided with a sliding groove 43, the inner surface of the sliding groove 43 is slidably connected with a pull rod 44, the bottom end of the pull rod 44 is fixedly connected with a clamping block 45, and the clamping block 45 is concave.
In the invention, the inner surface of the sliding sleeve 41 is slidably connected with a connecting rod 47, the bottom end of the connecting rod 47 is fixedly connected with a mounting plate 46, both sides of the mounting plate 46 are fixedly connected with supporting blocks 48, one side of the pull rod 44 is provided with a travel groove 49, and the inner surface of the travel groove 49 is slidably connected with the inner surface of the supporting blocks 48 through a short shaft.
In the present invention, the outer surface of the connecting rod 47 is sleeved with the spring 410, and after the workpiece is put down, the spring 410 can pull the connecting rod 47 to slide into the sliding sleeve 41, so that the two pull rods 44 move to the relatively far side.
In the present invention, the top end of the connecting rod 47 is fixedly connected with a limiting block 411, the outer surface of the limiting block 411 is slidably connected with the inner surface of the sliding sleeve 41, and the limiting block 411 can prevent the connecting rod 47 from sliding out of the sliding sleeve 41.
The invention also discloses a positioning method of the crane sling positioning mechanism, which comprises the following steps: the two pull rods 44 in the clamping mechanism 4 are firstly moved to one side of the opposite principle, then the clamping blocks 45 on the two pull rods 44 are clamped on a workpiece to be lifted, then the position of the frustum block 21 in the positioning mechanism 2 is lowered through the lifting sling 1, when the frustum block 21 falls into the interior of the frustum groove 23, due to the gradual change of the taper, the frustum block 21 is matched with the inner surface of the frustum groove 23 when falling, meanwhile, the positioning rod 24 is inserted into the inner surface of the frustum block 21, so that the circular arc block 26 slides upwards in the interior of the object placing cavity 25, the two sliding rods 28 are pushed to be inserted into the interior of the connecting groove 29 through the circular arc block 26, when the lifting sling 1 is lifted, the sliding rods 28 play a supporting role, the connecting rods 47 slide downwards in the interior of the sliding sleeves 41, so that the two pull rods 44 slide in the interior of the sliding grooves 43, and the short shafts on the supporting blocks 48 slide with the travel grooves 49, so that the two pull rods 44 move to the opposite sides, so that the workpiece is further clamped.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The crane sling positioning mechanism comprises a crane sling (1) positioned on a truss, and is characterized in that a positioning mechanism (2) is arranged at the bottom of the crane sling (1), a supporting plate (3) is arranged at the bottom of the positioning mechanism (2), and a clamping mechanism (4) is fixedly connected to the bottom of the supporting plate (3);
the positioning mechanism (2) comprises a frustum block (21) positioned at the bottom of the lifting appliance (1) and a mounting block (22) positioned at the top of the supporting plate (3), a frustum groove (23) is formed in the top of the mounting block (22), a positioning rod (24) is fixedly connected to the bottom of an inner cavity of the frustum groove (23), a storage cavity (25) is formed in the bottom of the frustum block (21), circular arc blocks (26) are slidably connected to the inner surface of the storage cavity (25), through holes (27) are formed in two sides of the inner wall of the storage cavity (25), sliding rods (28) are slidably connected to the inner surfaces of the two through holes (27), and connecting grooves (29) are formed in two sides of the inner wall of the frustum groove (23);
the positioning rod (24) is used for jacking an arc block (26) to slide upwards on the inner surface of the storage cavity (25), and the arc block (26) is used for pushing the sliding rod (28) to slide to one side of the connecting groove (29);
the clamping mechanism (4) comprises a sliding sleeve (41) positioned at the bottom of the supporting plate (3), two sides of the sliding sleeve (41) are fixedly connected with sliding plates (42), one side of each sliding plate (42) is provided with a sliding groove (43), the inner surface of each sliding groove (43) is slidably connected with a pull rod (44), and the bottom end of each pull rod (44) is fixedly connected with a clamping block (45).
2. The crane sling positioning mechanism as claimed in claim 1, wherein the two sides of the mounting block (22) are fixedly connected with a mounting sleeve (210), the inner surface of the mounting sleeve (210) is slidably connected with a push rod (211), a push cavity (212) is formed on one side of the inner wall of the connecting groove (29), and the outer surface of the push rod (211) is slidably connected with the inner surface of the push cavity (212).
3. The crane sling positioning mechanism as claimed in claim 1, wherein the inner surface of the sliding sleeve (41) is slidably connected with a connecting rod (47), the bottom end of the connecting rod (47) is fixedly connected with a mounting plate (46), two sides of the mounting plate (46) are fixedly connected with supporting blocks (48), one side of the pull rod (44) is provided with a travel groove (49), and the inner surface of the travel groove (49) is slidably connected with the inner surface of the supporting blocks (48) through a short shaft.
4. A crane spreader positioning mechanism according to claim 3, wherein the outer surface of the connecting rod (47) is provided with a spring (410).
5. The crane sling positioning mechanism as claimed in claim 4, wherein a limiting block (411) is fixedly connected to the top end of the connecting rod (47), and the outer surface of the limiting block (411) is slidably connected with the inner surface of the sliding sleeve (41).
6. The positioning method of the crane sling positioning mechanism is characterized by comprising the following steps of: firstly, two pull rods (44) in a clamping mechanism (4) move towards one side of the opposite principle, then clamp clamping blocks (45) on the two pull rods (44) on a workpiece to be lifted, then lower the position of a frustum block (21) in a positioning mechanism (2) through a lifting sling (1), when the frustum block (21) falls into the interior of a frustum groove (23), the frustum block (21) is matched with the inner surface of the frustum groove (23) when falling due to gradual change of the taper, meanwhile, the positioning rods (24) are inserted into the inner surface of the frustum block (21), the two sliding rods (28) are pushed to be inserted into the interior of the connecting groove (29) through an arc block (26), and when the lifting sling (1) is lifted, the connecting rods (47) slide downwards in the interior of the sliding sleeve (41), so that the two pull rods (44) move towards the relatively close side, and further clamp the workpiece.
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CN202111013070.7A CN113651235B (en) | 2021-08-31 | 2021-08-31 | Crane sling positioning mechanism and positioning method |
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CN202111013070.7A CN113651235B (en) | 2021-08-31 | 2021-08-31 | Crane sling positioning mechanism and positioning method |
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CN113651235A CN113651235A (en) | 2021-11-16 |
CN113651235B true CN113651235B (en) | 2023-10-27 |
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CN202111013070.7A Active CN113651235B (en) | 2021-08-31 | 2021-08-31 | Crane sling positioning mechanism and positioning method |
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CN115321330B (en) * | 2022-10-13 | 2023-03-31 | 山东联化新材料有限责任公司 | Oil drum transport hoist |
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DE2352888A1 (en) * | 1972-10-31 | 1974-05-09 | Ckd Praha | GUIDE DEVICE FOR A CONTAINER SUPPORTING FRAME |
JPH06316957A (en) * | 1993-05-06 | 1994-11-15 | Kenji Ito | U-shaped block-suspending device |
US7150366B1 (en) * | 2004-07-29 | 2006-12-19 | Mi-Jack Products, Inc. | Hanger chain anti-sway device for gantry crane |
CN201024040Y (en) * | 2006-11-29 | 2008-02-20 | 王茜 | Steel roll sling |
JP5977468B1 (en) * | 2016-01-29 | 2016-08-24 | 株式会社ミラック光学 | Dovetail-type workpiece clamping device and dovetail-type workpiece clamping method |
WO2018004380A1 (en) * | 2016-06-30 | 2018-01-04 | Дмитрий Михайлович ЛИ | Sliding-board mount, releasable in emergencies, and mount lock releasable during a fall |
CN108178074A (en) * | 2016-08-15 | 2018-06-19 | 白天海 | A kind of installation equipment vehicle |
CN112607599A (en) * | 2021-01-25 | 2021-04-06 | 河南恒远恒山工业有限公司 | Crane lifting appliance capable of being accurately positioned |
CN112621927A (en) * | 2020-12-17 | 2021-04-09 | 志邦家居股份有限公司 | Hard composite board and processing method thereof |
-
2021
- 2021-08-31 CN CN202111013070.7A patent/CN113651235B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2352888A1 (en) * | 1972-10-31 | 1974-05-09 | Ckd Praha | GUIDE DEVICE FOR A CONTAINER SUPPORTING FRAME |
JPH06316957A (en) * | 1993-05-06 | 1994-11-15 | Kenji Ito | U-shaped block-suspending device |
US7150366B1 (en) * | 2004-07-29 | 2006-12-19 | Mi-Jack Products, Inc. | Hanger chain anti-sway device for gantry crane |
CN201024040Y (en) * | 2006-11-29 | 2008-02-20 | 王茜 | Steel roll sling |
JP5977468B1 (en) * | 2016-01-29 | 2016-08-24 | 株式会社ミラック光学 | Dovetail-type workpiece clamping device and dovetail-type workpiece clamping method |
WO2018004380A1 (en) * | 2016-06-30 | 2018-01-04 | Дмитрий Михайлович ЛИ | Sliding-board mount, releasable in emergencies, and mount lock releasable during a fall |
CN108178074A (en) * | 2016-08-15 | 2018-06-19 | 白天海 | A kind of installation equipment vehicle |
CN112621927A (en) * | 2020-12-17 | 2021-04-09 | 志邦家居股份有限公司 | Hard composite board and processing method thereof |
CN112607599A (en) * | 2021-01-25 | 2021-04-06 | 河南恒远恒山工业有限公司 | Crane lifting appliance capable of being accurately positioned |
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