CN110963406A - Hoisting device capable of increasing lifting stability - Google Patents
Hoisting device capable of increasing lifting stability Download PDFInfo
- Publication number
- CN110963406A CN110963406A CN201911155722.3A CN201911155722A CN110963406A CN 110963406 A CN110963406 A CN 110963406A CN 201911155722 A CN201911155722 A CN 201911155722A CN 110963406 A CN110963406 A CN 110963406A
- Authority
- CN
- China
- Prior art keywords
- lifting
- fixed
- pulley block
- plate
- baffle
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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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
- 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
-
- 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
- B66C1/34—Crane hooks
-
- 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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/08—Arrangements of sheaves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/02—Hoists or accessories for hoists
- B66D2700/026—Pulleys, sheaves, pulley blocks or their mounting
- B66D2700/028—Pulley blocks with multiple sheaves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of cranes, and particularly relates to a lifting device capable of increasing lifting stability, which comprises a lifting mechanism, wherein the lifting mechanism comprises a fixed pulley block, a movable pulley block and a lifting hook, two correcting mechanisms are arranged on two sides of the fixed pulley block and symmetrically arranged, each correcting mechanism comprises a connecting plate, a baffle and two mounting plates, the two mounting plates are fixed on the inner side of the connecting plate, and mounting grooves are formed in one ends of the two mounting plates, close to the fixed pulley block; when the device hoisted the goods, the condition that rocks can appear in the rope, and the rope can be being pushed up to the baffle of both sides, and the sliding tray on the simultaneous movement circle cover can be along the limiting plate, makes the removal circle cover move the compression spring, can restrict the position that removes the circle cover and remove through the effect of limiting plate, makes the removal circle cover be the motion of horizontal straight line, under stable cooperation between the structure, has improved the life of device, reduces cost of maintenance.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a lifting device capable of increasing lifting stability.
Background
The crane is commonly known as a crane and widely applied to a series of heavy-duty products such as ships, equipment, machinery, molds and the like, and comprises a power device and a support, wherein the power device comprises a motor, a speed reducer, a clutch, a brake, a rope drum, a steel wire rope and the like, the support comprises a main rod and a rotating arm, the main rod comprises a screw rod, a jack nut and an upright rod, the main rod comprises a lifting hook, the rotating arm comprises a rotating arm and a lifting hook, the lifting hook can be fixed at the middle position of a cargo, the motor drives the rope to be wound, the cargo can be lifted or descended under the action of the rope, and the purpose of transporting the cargo is achieved.
Chinese patent publication (CN109573811A) discloses a lifting device capable of moving steel plate smoothly, which is characterized in that when lifting a plate, an iron chain and a connecting rod connected with the plate swing similarly due to inertia, and when the connecting rod swings, the connecting rod collides with arc-shaped baffles at both sides thereof, most of kinetic energy is absorbed by a buffer spring, so that the connecting rod stops swinging to stop the plate, thereby stopping the plate, and improving the stability of transported goods, but the spring of the device is directly connected with the arc-shaped baffles, and when the spring is acted by the connecting rod, the spring contracts, and is easy to rebound without any limitation, so that the arc-shaped baffles can move obliquely, and the durability of the structure is easy to wear under long-time use, thereby affecting the service life of the device and bringing unnecessary maintenance cost, therefore, the person skilled in the art provides a lifting device capable of increasing lifting smoothness, so as to solve the problems in the background art.
Disclosure of Invention
The invention aims to provide a lifting device capable of improving lifting stability so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a lifting device capable of increasing lifting stability comprises a lifting mechanism, wherein the lifting mechanism comprises a fixed pulley block, a movable pulley block and a lifting hook, two correcting mechanisms are arranged on two sides of the fixed pulley block and symmetrically arranged, each correcting mechanism comprises a connecting plate, a baffle and two mounting plates, the two mounting plates are fixed on the inner side of the connecting plate, one ends of the two mounting plates, which are close to the fixed pulley block, are respectively provided with a mounting groove, two positioning columns are fixedly connected in the mounting grooves and symmetrically distributed, one ends of the baffle, which are close to the positioning columns, are fixedly connected with two movable round sleeves, the movable round sleeves are in sliding connection with the positioning columns, springs are sleeved on the outer sides of the positioning columns, one ends of the springs are fixed in the mounting grooves, the other ends of the springs are fixed on the movable round, the bottom of the movable pulley block is fixedly connected with a fixed plate, the fixed plate is provided with a first long hole and two second long holes in a penetrating mode, and the lifting hook is fixed with the fixed plate in a threaded mode.
As a still further scheme of the invention: the baffle is made of polyurethane.
As a still further scheme of the invention: the connecting plate is obliquely fixed on the fixed pulley block.
As a still further scheme of the invention: and one end of the positioning column is fixedly connected with a limiting plate.
As a still further scheme of the invention: the movable round sleeve is provided with a sliding groove, and the limiting plate slides in the sliding groove.
As a still further scheme of the invention: the length of the sliding groove is equal to the distance between the baffle plate and the mounting plate.
As a still further scheme of the invention: the movable round sleeve slides in the mounting groove.
As a still further scheme of the invention: the two second long holes and the first long hole are distributed in a cross manner.
Compared with the prior art, the invention has the beneficial effects that:
the movable round sleeve can slide along the positioning column, the spring is fixed on the inner side of the mounting plate, when the device lifts cargoes, the rope can shake, the baffles on the two sides can prop against the rope, meanwhile, the sliding groove on the movable round sleeve can follow the limiting plate, the baffles can move and contract inwards, the movable round sleeve can compress the spring, the arrangement not only can reduce the swinging phenomenon of the device in the lifting process, but also can limit the moving position of the movable round sleeve under the action of the limiting plate, so that the movable round sleeve can move horizontally and linearly, under the stable matching between structures, the service life of the device is prolonged, the maintenance cost is reduced, the first long hole and the second long hole are formed in the fixing plate, a plurality of lifting hooks can be installed in the fixing plate, when the cargoes are longer, the positions of the lifting hooks can be adjusted, so that the lifting hooks can be fixed on the two sides of the cargoes, the lifting hooks with the adjustable positions are arranged, the traditional lifting mechanism is changed, and the stability of goods transported by the device is improved.
Drawings
FIG. 1 is a schematic structural view of a lifting device capable of increasing lifting smoothness;
FIG. 2 is a front view of a lifting device to increase lifting smoothness;
FIG. 3 is a schematic structural diagram of a correction mechanism in a lifting device for increasing lifting stability;
FIG. 4 is a schematic view of the interior of the mounting plate of the lifting device for increasing lifting stability;
fig. 5 is a schematic structural diagram of a conventional hoisting mechanism.
In the figure: 1. a hoisting mechanism; 11. a fixed pulley block; 12. a movable pulley block; 13. a hook; 2. a fixing plate; 201. a first long hole; 202. a second long hole; 3. a correction mechanism; 31. a connecting plate; 32. mounting a plate; 321. mounting grooves; 33. a baffle plate; 34. moving the round sleeve; 341. a sliding groove; 35. a positioning column; 351. a limiting plate; 36. a spring.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a lifting device capable of increasing lifting stability includes a lifting mechanism 1, the lifting mechanism 1 includes a fixed pulley block 11, a movable pulley block 12 and a hook 13, two correcting mechanisms 3 are disposed on two sides of the fixed pulley block 11, the two correcting mechanisms 3 are symmetrically disposed, each correcting mechanism 3 includes a connecting plate 31, a baffle 33 and two mounting plates 32, the two mounting plates 32 are both fixed on an inner side of the connecting plate 31, one ends of the two mounting plates 32 close to the fixed pulley block 11 are both provided with mounting slots 321, two positioning pillars 35 are fixedly connected in the mounting slots 321, the two positioning pillars 35 are symmetrically disposed, one end of the baffle 33 close to the positioning pillars 35 is fixedly connected with two movable circular sleeves 34, the movable circular sleeves 34 are slidably connected with the positioning pillars 35, springs 36 are sleeved on outer sides of the positioning pillars 35, one ends of the springs 36, the bottom of the movable pulley block 12 is fixedly connected with a fixed plate 2, the fixed plate 2 is provided with a first long hole 201 and two second long holes 202 in a penetrating way, and the lifting hook 13 is fixed with the fixed plate 2 in a threaded connection mode.
In FIGS. 1-2: the lifting mechanism 1 consists of a fixed pulley block 11, a movable pulley block 12, a lifting hook 13 and a rope, when a cargo is required to be lifted, the lifting hook 13 can be fixed at the middle position of the cargo, the rope is driven to be wound through a motor, the cargo can be lifted or descended under the action of the rope, the purpose of transporting the cargo is achieved, when the cargo swings in the lifting process, the rope can swing along with the cargo, the baffle plates 33 on the two sides can prop against the cargo, the baffle plates 33 can contract inwards under the action of the movable circular sleeve 34, the sliding grooves 341 on the movable circular sleeve 34 can follow the limiting plates 351, the movable circular sleeve 34 can move along with the positioning columns 35, the spring 36 can prop against the movable circular sleeve 36 and contract the rope acts on the baffle plate 33 on the other side, the structure moves in the same way, and under the action of the two baffle plates 33, the swinging phenomenon of the device in the lifting process can be reduced, and the moving position of the moving circular sleeve 34 can be limited by the action of the limiting plate 351, so that the moving circular sleeve 34 moves horizontally and linearly, under the stable cooperation between the structures, the service life of the device is prolonged, the maintenance cost is reduced, the goods are stably transported, the fixing plate 2 is provided with a first long hole 201 and a second long hole 202, the two second long holes 202 are distributed with the first long hole 201 in a cross way, a plurality of lifting hooks 13 can be installed in the first long hole, the lifting hooks 13 can be installed on the fixing plate 2 through bolts on the lifting hooks 13, when the length of the goods is large, the position of the lifting hooks 13 can be adjusted, the bolts can move in the first long hole 201 and the second long hole 202 by screwing nuts of the fixing bolts, so that the position of the lifting hooks 13 can be adjusted, the lifting hooks 13 can be fixed on two sides of the goods, and a plurality of lifting hooks 13 with adjustable positions are arranged, thereby changing the traditional lifting mechanism, the stability of device transportation goods is improved.
In fig. 3-4: the baffle 33 is made of polyurethane, the hardness of the polyurethane is 84-88HS, the polyurethane has the advantages of scratch resistance, no noise, long service life, cost reduction, temperature resistance from minus 20 ℃ to high temperature of 120 ℃, no pollution to products, no toxicity, no odor, excellent wind pressure resistance, impact resistance and shear resistance, the baffle 33 and the rope can rub against each other when in contact, the baffle 33 is made of the polyurethane and can protect the rope from rubbing, the swinging effect of the baffle 33 limiting device in the hoisting process is improved, the connecting plate 31 is obliquely fixed on the fixed pulley block 11, the connecting plate 31 can be directly installed on the fixed pulley block 11, the processing cost is reduced, the oblique arrangement can ensure that the baffle 33 has enough moving space, the function of the baffle 33 is maximized, one end of the positioning column 35 is fixedly connected with a limiting plate 351, the movable circular sleeve 34 is provided with a sliding groove 341, the limiting plate 351 is arranged in the sliding groove 341 in a sliding mode, the length of the sliding groove 341 is equal to the distance between the baffle 33 and the mounting plate 32, the moving stroke of the baffle 33 is consistent with the moving stroke of the moving circular sleeve 34, the structure is reasonably designed, the stability of the movement between the structures is improved, the moving circular sleeve 34 slides in the mounting groove 321, the baffle 33 can contract inwards under the action of the moving circular sleeve 34, the sliding groove 341 on the moving circular sleeve 34 can follow the limiting plate 351, the moving circular sleeve 34 can move along the positioning column 35, the spring 36 can be propped against while moving, the spring 36 contracts, the rope acts on the baffle 33 on the other side, the structures perform the same movement, under the action of the two baffles 33, the swinging phenomenon of the device in the lifting process can be reduced, the moving position of the moving circular sleeve 34 can be limited through the action of the limiting plate 351, and the moving circular sleeve 34 can move horizontally and linearly, under the stable cooperation between the structure, improved the life of device, reduce cost of maintenance.
In fig. 5: the traditional hoisting mechanism is only provided with one lifting hook 13, when the length of the goods is longer, one lifting hook 13 can only be fixed in the middle of the goods, the swing amplitude of the goods in the lifting process is increased, through the plurality of lifting hooks 13 arranged on the fixing plate 2, the fixing plate 2 is provided with a first long hole 201 and a second long hole 202, the two second long holes 202 and the first long hole 201 are distributed in a cross shape, the plurality of lifting hooks 13 can be installed in the first long hole 201, the lifting hooks 13 can be installed on the fixing plate 2 through bolts on the lifting hooks 13, when the length of the goods is longer, the positions of the lifting hooks 13 can be adjusted, the bolts can move in the first long hole 201 and the second long hole 202 through screwing nuts of the fixing bolts, so that the positions of the lifting hooks 13 can be adjusted, the lifting hooks 13 can be fixed on two sides of the goods, and the plurality of lifting hooks 13 with adjustable positions are arranged, thereby changing the traditional, the stability of device transportation goods is improved.
The working principle of the invention is as follows: the goods can be lifted through the lifting mechanism 1, the goods can be fixed through the lifting hooks 13, when the goods are long, a plurality of lifting hooks 13 can be arranged in the first long hole 201 and the second long hole 202, the positions of the lifting hooks 13 can be adjusted through the sliding of the lifting hooks 13 in the first long hole 201 and the second long hole 202, the lifting hooks 13 can be fixed on two sides of the goods, the balance of the goods is ensured, the stability of the device for transporting the goods is improved, when the goods swing in the lifting process, the rope can swing along with the lifting hook, at the moment, the baffle plates 33 on two sides can prop against the goods, the baffle plates 33 can contract inwards under the action of the movable circular sleeve 34, the sliding grooves 341 on the movable circular sleeve 34 can follow the limiting plate 351, the movable circular sleeve 34 can move along the positioning column 35 and can prop against the spring 36 while moving, the spring 36 contracts, and the rope acts on the baffle plate 33 on the other side, the same reason motion between the structure, under the effect of two baffles 33, can reduce the device and hang the in-process wobbling phenomenon and appear, can restrict the position that removes circular sleeve 34 and remove through limiting plate 351's effect moreover, make and remove circular sleeve 34 and be the motion of horizontal straight line, under stable cooperation between the structure, improved the life of device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. The lifting device capable of increasing lifting stability comprises a lifting mechanism (1), wherein the lifting mechanism (1) comprises a fixed pulley block (11), a movable pulley block (12) and a lifting hook (13), and is characterized in that two correcting mechanisms (3) are arranged on two sides of the fixed pulley block (11), the two correcting mechanisms (3) are symmetrically arranged, each correcting mechanism (3) comprises a connecting plate (31), a baffle (33) and two mounting plates (32), the two mounting plates (32) are fixed on the inner side of the connecting plate (31), one ends, close to the fixed pulley block (11), of the two mounting plates (32) are respectively provided with a mounting groove (321), the mounting grooves (321) are internally and fixedly connected with two positioning columns (35) which are symmetrically distributed, one ends, close to the positioning columns (35), of the baffle (33) are fixedly connected with two movable round sleeves (34), remove circle cover (34) with reference column (35) sliding connection, reference column (35) outside cover is equipped with spring (36), spring (36) one end is fixed in mounting groove (321), the other end is fixed remove on the circle cover (34), movable pulley block (12) bottom fixedly connected with fixed plate (2), fixed plate (2) run through and have seted up first slot hole (201) and two second slot holes (202), lifting hook (13) with fixed plate (2) spiro union is fixed.
2. A lifting device with increased lifting comfort according to claim 1, characterised in that the apron (33) is of polyurethane.
3. A hoisting device with increased lifting smoothness according to claim 1, characterized in that the connection plate (31) is fixed obliquely to the set of crown blocks (11).
4. The lifting device capable of increasing lifting smoothness as claimed in claim 1, wherein a limiting plate (351) is fixedly connected to one end of the positioning column (35).
5. A hoisting device with increased lifting smoothness as claimed in claim 4, wherein the moving cylinder (34) is provided with a sliding groove (341), and the limiting plate (351) slides in the sliding groove (341).
6. A hoisting device with increased lifting smoothness according to claim 6, wherein the length of the sliding groove (341) is equal to the distance from the baffle (33) to the mounting plate (32).
7. A lifting device with increased lifting smoothness according to claim 1 wherein the moving cylinder (34) slides in the mounting slot (321).
8. A hoisting device with increased lifting smoothness according to claim 1, wherein both of the second elongated holes (202) are arranged crosswise to the first elongated hole (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155722.3A CN110963406A (en) | 2019-11-22 | 2019-11-22 | Hoisting device capable of increasing lifting stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155722.3A CN110963406A (en) | 2019-11-22 | 2019-11-22 | Hoisting device capable of increasing lifting stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110963406A true CN110963406A (en) | 2020-04-07 |
Family
ID=70031359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911155722.3A Withdrawn CN110963406A (en) | 2019-11-22 | 2019-11-22 | Hoisting device capable of increasing lifting stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110963406A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088474A1 (en) * | 2021-11-22 | 2023-05-25 | 徐州建机工程机械有限公司 | Two-stage tolerance type lifting hook having four pulley sets |
-
2019
- 2019-11-22 CN CN201911155722.3A patent/CN110963406A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088474A1 (en) * | 2021-11-22 | 2023-05-25 | 徐州建机工程机械有限公司 | Two-stage tolerance type lifting hook having four pulley sets |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |
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| WW01 | Invention patent application withdrawn after publication |