CN110877858B - Lifting machine and lifting mechanism thereof - Google Patents
Lifting machine and lifting mechanism thereof Download PDFInfo
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- CN110877858B CN110877858B CN201911211408.2A CN201911211408A CN110877858B CN 110877858 B CN110877858 B CN 110877858B CN 201911211408 A CN201911211408 A CN 201911211408A CN 110877858 B CN110877858 B CN 110877858B
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- clamping plate
- support rod
- lifting
- wire rope
- steel wire
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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
- B66C1/122—Sling or load protectors
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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
- B66C1/42—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
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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
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of hoisting tools, in particular to a hoister and a hoisting mechanism thereof, which comprise a pair of L-shaped clamping arms; the upper parts of the L-shaped clamp arms are mutually crossed, and the crossed parts are mutually hinged; a hanging rope is arranged at the top of the L-shaped clamp arm and is used for facilitating the lifting of the hook; the lower end of the L-shaped clamping arm is hinged with a clamping plate through a pin, and one end of the clamping plate, which is far away from the pin, is provided with a wedge-shaped part, so that the clamping plate can be conveniently inserted into a rock gap; the clamping plate rope is provided with a groove, a support rod is arranged in the groove, and the middle part of the support rod is hinged with the clamping plate; an oil cylinder is arranged on the clamping plate and corresponds to the top of the stay bar, and the oil cylinder is communicated with an oil pump through a control valve; a piston rod of the oil cylinder is hinged with the top of the support rod; according to the invention, the oil cylinder drives the stay bar to rotate, so that the gap between the stones is enlarged, the clamping plate moves to the middle position of the stone to clamp the stone, and the safety and firmness of the hoisting mechanism are further improved.
Description
Technical Field
The invention belongs to the technical field of hoisting tools, and particularly relates to a hoister and a hoisting mechanism thereof.
Background
With the development of economy, the process of urbanization construction is continuously promoted. In urban construction, in municipal paving such as paving construction of municipal pavements or sidewalks, paving materials cannot be discharged on a construction working surface due to construction sites and the like, and are often required to be carried. In municipal engineering construction, cross-job construction of multiple specialties is also common. At present, when pavement operation and I-steel hoisting operation are conducted in cross construction, different construction machines are needed for transferring construction when pavement stone carrying and I-steel hoisting are conducted, and therefore construction progress is delayed and construction cost is increased. When the whole row of stones is stacked, the gap between the adjacent stones is small, so that the clamping of the starting point hoisting mechanism is not facilitated, the stones are separated through manpower, the labor intensity is increased, and the hoisting efficiency and the hoisting safety are influenced.
Disclosure of Invention
In order to make up for the not enough of prior art, solve when the operation of mating formation and hoist I-steel operation cross construction, when the transport of the stone material of mating formation and the hoist and mount of I-steel, need different construction machines to transport the construction, this delays construction progress and increases construction cost. When the stones are stacked in a row, gaps between the adjacent stones are small, so that the clamping of the starting point hoisting mechanism is not facilitated, the stones are separated manually, the labor intensity is increased, and the hoisting efficiency and the hoisting safety are affected.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a hoisting mechanism, which comprises a pair of L-shaped clamping arms; the upper parts of the L-shaped clamp arms are mutually crossed, and the crossed parts are mutually hinged; a hanging rope is arranged at the top of the L-shaped clamp arm and is used for facilitating the lifting of the hook; the lower end of the L-shaped clamping arm is hinged with a clamping plate through a pin, and one end of the clamping plate, which is far away from the pin, is provided with a wedge-shaped part, so that the clamping plate can be conveniently inserted into a rock gap; the clamping plate is provided with a groove, a support rod is arranged in the groove, and the middle part of the support rod is hinged with the clamping plate; an oil cylinder is arranged on the clamping plate and corresponds to the top of the stay bar, and the oil cylinder is communicated with an oil pump through a control valve; a piston rod of the oil cylinder is hinged with the top of the support rod; the oil cylinder pushes the stay bar to increase the gap between adjacent stones, so that the clamping stability of the clamping plate is increased, and the lifting efficiency and the safety of the lifting mechanism are further increased; when the device works, the L-shaped clamp arm is opened to drive the clamping plate to be opened to adapt to the width of a stone block, then the L-shaped clamp arm is moved downwards by loosening the hanging rope, when the wedge-shaped part of the clamping plate is slightly inserted into the gap between the stones, the stones are placed in a whole row, so that the gap between the stones is smaller, at the moment, high-pressure hydraulic oil is supplied into the oil cylinder by opening the control valve, the oil cylinder drives the support rod to rotate, the lower end of the support rod is outwards opened, so as to increase the gap between the stones, then the bottom end of the stay bar is driven by the oil cylinder to retract into the groove, so that the clamping plate moves downwards under the action of gravity, after the grip block moved to the stone middle part, through upwards pulling string rope make L clamp arm drive the grip block and press from both sides tightly and transport to preset position after upwards pressing from both sides the stone, but further increase the security and the fastness of lifting by crane the mechanism, prevent that the stone from droing.
Preferably, the pin is positioned at the position, close to the top, of the clamping plate, the clamping plate is kept vertical by utilizing the lower center of gravity of the clamping plate, and the lifting efficiency of the lifting mechanism is further improved; because the pin is located the position that the grip block is close to the top for the grip block is because the focus is less than the pin position, and the grip block keeps vertical flagging state under the effect of self gravity, makes things convenient for the wedge portion to aim at and inserts the gap between the stone, and then reduces the manual position of rightting the wedge portion of workman, reduces intensity of labour, further increases hoisting efficiency of hoisting mechanism.
Preferably, an annular steel wire rope is arranged at the position, corresponding to the support rod, of the outer side of the clamping plate, the steel wire rope is sleeved on the periphery of the stone block, the steel wire rope is tensioned when the support rod rotates, the clamping force of the clamping plate on the stone block is increased, and the lifting efficiency of the lifting mechanism is further increased; when the grip block reachd the stone middle part and press from both sides tight stone, the stone that is pressed from both sides tightly this moment separates under hoisting mechanism's drive with other stones, later drives the vaulting pole through the hydro-cylinder and rotates for the vaulting pole lower extreme rotates to the recess outside, and then will surround the wire rope tensioning in the stone periphery, further increases the clamp force of grip block to the stone, reduces the probability that the stone drops, and the wire rope that tightens up simultaneously increases the frictional force to the stone, and then further increases hoisting mechanism's lifting efficiency and security.
Preferably, the two sides of the clamping plate are fixedly connected with connecting plates, and one ends of the connecting plates, which are far away from the clamping plate, are provided with adjusting grooves; a group of adjusting holes are uniformly formed in the connecting plate at positions corresponding to the adjusting grooves, and bolts are inserted in the adjusting holes; the steel wire rope is sleeved on the periphery of the bolt in the adjusting groove; the positions of the bolts in the adjusting holes are adjusted to adapt to stone lifting of different sizes, so that the damage to stone corners by the steel wire ropes is avoided, and the lifting efficiency of the lifting mechanism is further increased; even board through the bolt cooperation for tight stone is pressed from both sides behind the pin to wire rope, avoids wire rope to the destruction of stone corner, guarantees the integrality of stone, adapts to the stone of different shapes and size in inserting different regulation holes through the bolt simultaneously, further guarantees the quick complete transportation of lifting by crane of stone safety, further increases the efficiency of lifting by crane of mechanism.
Preferably, the diameter of the plug pin is more than five times that of the steel wire rope, so that the steel wire rope is prevented from being plastically deformed, and the service life of the hoisting mechanism is prolonged; through the bolt that the diameter is greater than the wire rope diameter of fivefold for wire rope reduces the crookedness when walking around the bolt, keeps wire rope's elastic deformation, and further reduction wire rope produces plastic deformation because of excessive bending, reduces wire rope's life, and then guarantees to lift by crane the life and the safe operation of mechanism.
Preferably, one side of the support rod, which is close to the oil cylinder, is provided with a group of limiting grooves, and the steel wire ropes are arranged in different limiting grooves to adjust the tension and the length of the steel wire ropes, so that the support rod is suitable for firmly clamping stones with different sizes, and the lifting efficiency and the safety of the lifting mechanism are further improved; the steel wire ropes are clamped into different limiting grooves to adjust the tightening force, the steel wire ropes are guaranteed to adapt to stones in different shapes, the stones are reliably clamped, and the lifting efficiency and the safety of the lifting mechanism are further improved.
A lifting machine is suitable for the lifting mechanism.
The invention has the following beneficial effects:
1. according to the elevator and the hoisting mechanism thereof, the oil cylinder drives the support rod to rotate, the lower end of the support rod is outwards opened, so that a gap between stones is enlarged, then the oil cylinder drives the bottom end of the support rod to be retracted into the groove, so that the clamping plate moves downwards under the action of gravity, after the clamping plate moves to the middle position of the stones, the hanging rope is upwards pulled, so that the L-shaped clamping arm drives the clamping plate to clamp and upwards clamp the stones, and then the stones are transported to a preset position, and therefore the safety and firmness of the hoisting mechanism are further improved, and the stones are prevented from falling off.
2. According to the elevator and the hoisting mechanism thereof, the oil cylinder drives the stay bar to rotate, so that the lower end of the stay bar rotates towards the outside of the groove, the steel wire rope surrounding the periphery of the stone is tensioned, the clamping force of the clamping plate on the stone is further increased, the probability of falling of the stone is reduced, meanwhile, the tightened steel wire rope increases the friction force on the stone, and further the hoisting efficiency and the safety of the hoisting mechanism are further increased.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is an enlarged view of a portion of FIG. 1 at B;
FIG. 6 is an enlarged view of a portion of FIG. 2 at C;
in the figure: the device comprises an L-shaped clamping arm 1, a hanging rope 11, a pin 12, a clamping plate 13, a wedge-shaped part 14, a groove 15, a support rod 16, an oil cylinder 17, a steel wire rope 18, a connecting plate 2, an adjusting groove 21, an adjusting hole 22, a bolt 23 and a limiting groove 24.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, a hoisting mechanism according to the present invention includes a pair of L-shaped clamp arms 1; the upper parts of the L-shaped clamping arms 1 are mutually crossed, and the crossed parts are mutually hinged; a hanging rope 11 is arranged at the top of the L-shaped clamp arm 1, and the hanging rope 11 is used for facilitating the lifting of the hook; the lower end of the L-shaped clamping arm 1 is hinged with a clamping plate 13 through a pin 12, and one end, far away from the pin 12, of the clamping plate 13 is provided with a wedge-shaped part 14 which is convenient to insert into a rock gap; a groove 15 is formed in the clamping plate 13, a support rod 16 is arranged in the groove 15, and the middle of the support rod 16 is hinged with the clamping plate 13; an oil cylinder 17 is arranged on the clamping plate 13 at a position corresponding to the top of the support rod 16, and the oil cylinder 17 is communicated with an oil pump through a control valve; a piston rod of the oil cylinder 17 is hinged with the top of the support rod 16; the oil cylinder 17 pushes the support rod 16 to increase the gap between adjacent stones, so that the clamping stability of the clamping plate 13 is increased, and the lifting efficiency and the safety of the lifting mechanism are further increased; when the lifting device works, the L-shaped clamp arm 1 is opened to drive the clamping plate 13 to be opened to the width suitable for the stones, then the L-shaped clamp arm 1 is moved downwards by loosening the hanging rope 11, after the wedge-shaped part 14 of the clamping plate 13 is slightly inserted into the gap between the stones, the gaps between the stones are smaller due to the whole row arrangement, at the moment, high-pressure hydraulic oil is supplied into the oil cylinder 17 by opening the control valve, the oil cylinder 17 drives the supporting rod 16 to rotate, the lower end of the supporting rod 16 is outwardly opened to further increase the gaps between the stones, then the bottom end of the supporting rod 16 is driven by the oil cylinder 17 to be retracted into the groove 15, so that the clamping plate 13 moves downwards under the action of gravity, after the clamping plate 13 moves to the middle part of the stones, the L-shaped clamp arm 1 drives the clamping plate 13 to clamp and upwardly clamp the stones and then transport to a preset position by upwardly pulling the hanging rope 11, and the, prevent the stone from falling off.
As an embodiment of the invention, the pin 12 is located at a position of the clamping plate 13 close to the top, and the clamping plate 13 is kept vertical by using the lower center of gravity of the clamping plate 13, so that the lifting efficiency of the lifting mechanism is further increased; because the pin 12 is located the position that the grip block 13 is close to the top for grip block 13 is because the focus is less than pin 12 position, grip block 13 keeps vertical flagging state under the effect of self gravity, makes things convenient for wedge 14 to aim at and inserts the gap between the stone, and then reduces the manual position of righting wedge 14 of workman, reduces intensity of labour, further increases hoisting mechanism's lifting efficiency.
As an embodiment of the invention, an annular steel wire rope 18 is arranged at a position corresponding to the stay bar 16 outside the clamping plate 13, the steel wire rope 18 is sleeved on the periphery of the stone block, and the steel wire rope 18 is tensioned when the stay bar 16 rotates, so that the clamping force of the clamping plate 13 on the stone block is increased, and the hoisting efficiency of the hoisting mechanism is further increased; when grip block 13 reachs the stone middle part and presss from both sides tight stone, the stone that is pressed from both sides tightly this moment separates with other stones under hoisting mechanism's drive, later drive vaulting pole 16 through hydro-cylinder 17 and rotate, make vaulting pole 16 lower extreme to recess 15 outside rotation, and then will surround the wire rope 18 tensioning in the stone periphery, further increase grip block 13 to the clamp force of stone, reduce the probability that the stone drops, the wire rope 18 that tightens up simultaneously increases the frictional force to the stone, and then further increase hoisting mechanism's lifting efficiency and security.
As an implementation mode of the invention, two sides of the clamping plate 13 are fixedly connected with the connecting plate 2, and one end of the connecting plate 2, which is far away from the clamping plate 13, is provided with an adjusting groove 21; a group of adjusting holes 22 are uniformly formed in the connecting plate 2 at positions corresponding to the adjusting grooves 21, and bolts 23 are inserted in the adjusting holes 22; the steel wire rope 18 is sleeved on the periphery of a plug 23 in the adjusting groove 21; the positions of the bolts 23 in the adjusting holes 22 are adjusted to adapt to stone lifting of different sizes, so that the steel wire ropes 18 are prevented from damaging stone corners, and the lifting efficiency of the lifting mechanism is further improved; even board 2 is cooperated through bolt 23 for wire rope 18 presss from both sides tight stone after bypassing pin 12, avoids wire rope 18 to the destruction of stone corner, guarantees the integrality of stone, inserts the stone of adaptation different shapes and size in the different regulation holes 22 through bolt 23 simultaneously, further guarantees the safe quick complete transportation of lifting by crane of stone, further increases the efficiency of lifting by crane of mechanism.
As an embodiment of the invention, the diameter of the plug 23 is larger than five times of the diameter of the steel wire rope 18, so that the steel wire rope 18 is prevented from being plastically deformed, and the service life of the hoisting mechanism is prolonged; through the bolt 23 that the diameter is greater than five times wire rope 18 diameter for wire rope 18 reduces the crookedness when walking around bolt 23, keeps wire rope 18's elastic deformation, and further reduces wire rope 18 and produces plastic deformation because of excessively bending, reduces wire rope's life, and then guarantees to lift mechanism's life and safe operation.
As an embodiment of the invention, one side of the stay bar 16 close to the oil cylinder 17 is provided with a group of limiting grooves 24, and the steel wire rope 18 is placed in different limiting grooves 24 to adjust the tension and the length of the steel wire rope 18, so that the stay bar is suitable for firmly clamping stones with different sizes, and the lifting efficiency and the safety of the lifting mechanism are further improved; the steel wire rope 18 is clamped into different limiting grooves 24 to adjust the steel wire rope 18 so as to tighten the force, the steel wire rope 18 is ensured to adapt to stones with different shapes, the stones are reliably clamped, and the lifting efficiency and the safety of the lifting mechanism are further improved.
A lifting machine is suitable for the lifting mechanism.
When the lifting device works, the L-shaped clamp arm 1 is opened to drive the clamping plate 13 to be opened to the width suitable for the stones, then the L-shaped clamp arm 1 is moved downwards by loosening the hanging rope 11, after the wedge-shaped part 14 of the clamping plate 13 is slightly inserted into the gap between the stones, the gaps between the stones are smaller due to the whole row arrangement, at the moment, high-pressure hydraulic oil is supplied into the oil cylinder 17 by opening the control valve, the oil cylinder 17 drives the supporting rod 16 to rotate, the lower end of the supporting rod 16 is outwardly opened to further increase the gaps between the stones, then the bottom end of the supporting rod 16 is driven by the oil cylinder 17 to be retracted into the groove 15, so that the clamping plate 13 moves downwards under the action of gravity, after the clamping plate 13 moves to the middle part of the stones, the L-shaped clamp arm 1 drives the clamping plate 13 to clamp and upwardly clamp the stones and then transport to a preset position by upwardly pulling the hanging rope 11, and the, the stone is prevented from falling off; because the pins 12 are positioned at the positions, close to the tops, of the clamping plates 13, the gravity center of the clamping plates 13 is lower than the positions of the pins 12, the clamping plates 13 keep a vertical sagging state under the action of self gravity, the wedge-shaped parts 14 are convenient to align and insert into gaps between stones, the positions of the wedge-shaped parts 14 manually righted by workers are reduced, the labor intensity is reduced, and the lifting efficiency of the lifting mechanism is further improved; when the clamping plate 13 reaches the middle part of the stone and clamps the stone, the clamped stone is separated from other stones under the driving of the hoisting mechanism, then the oil cylinder 17 drives the support rod 16 to rotate, so that the lower end of the support rod 16 rotates towards the outside of the groove 15, and the steel wire rope 18 surrounding the periphery of the stone is tensioned, the clamping force of the clamping plate 13 on the stone is further increased, the probability of falling of the stone is reduced, meanwhile, the friction force on the stone is increased by the tightened steel wire rope 18, and the hoisting efficiency and the safety of the hoisting mechanism are further increased; the bolt 23 is matched with the connecting plate 2, so that the steel wire rope 18 bypasses the pin 12 to clamp the stone, the damage of the steel wire rope 18 to the corner of the stone is avoided, the integrity of the stone is ensured, meanwhile, the bolt 23 is inserted into different adjusting holes 22 to adapt to the stones with different shapes and sizes, the safe, rapid and complete hoisting and transportation of the stone are further ensured, and the hoisting efficiency of the hoisting mechanism is further increased; the bending degree of the steel wire rope 18 is reduced when the steel wire rope 18 bypasses the plug 23 through the plug 23 with the diameter being more than five times of the diameter of the steel wire rope 18, the elastic deformation of the steel wire rope 18 is kept, the plastic deformation of the steel wire rope 18 caused by over-bending is further reduced, the service life of the steel wire rope is shortened, and the service life and the safe operation of the hoisting mechanism are further ensured; the steel wire rope 18 is clamped into different limiting grooves 24 to adjust the steel wire rope 18 so as to tighten the force, the steel wire rope 18 is ensured to adapt to stones with different shapes, the stones are reliably clamped, and the lifting efficiency and the safety of the lifting mechanism are further improved.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A hoisting mechanism, characterized by: comprises a pair of L-shaped clamping arms (1); the upper parts of the L-shaped clamping arms (1) are mutually crossed, and the crossed parts are mutually hinged; a hanging rope (11) is arranged at the top of the L-shaped clamping arm (1), and the hanging rope (11) is used for facilitating the lifting of the hook; the lower end of the L-shaped clamping arm (1) is hinged with a clamping plate (13) through a pin (12), and one end, far away from the pin (12), of the clamping plate (13) is provided with a wedge-shaped part (14) which is convenient to insert into a rock gap; a groove (15) is formed in the clamping plate (13), a support rod (16) is arranged in the groove (15), and the middle of the support rod (16) is hinged with the clamping plate (13); an oil cylinder (17) is arranged on the clamping plate (13) at a position corresponding to the top of the support rod (16), and the oil cylinder (17) is communicated with an oil pump through a control valve; a piston rod of the oil cylinder (17) is hinged with the top of the support rod (16); the oil cylinder (17) is used for pushing the support rod (16) to increase the gap between adjacent stones, so that the clamping stability of the clamping plate (13) is improved, and the lifting efficiency and safety of the lifting mechanism are improved.
2. A hoisting mechanism as claimed in claim 1, wherein: the pin (12) is located at the position, close to the top, of the clamping plate (13), the clamping plate (13) is kept vertical by utilizing the lower center of gravity of the clamping plate (13), and the lifting efficiency of the lifting mechanism is further improved.
3. A hoisting mechanism according to claim 2, characterized in that: the outer side of the clamping plate (13) is provided with an annular steel wire rope (18) at a position corresponding to the support rod (16), the steel wire rope (18) is sleeved on the periphery of the stone, the steel wire rope (18) is tensioned when the support rod (16) rotates, the clamping force of the clamping plate (13) on the stone is increased, and the lifting efficiency of the lifting mechanism is further increased.
4. A hoisting mechanism as claimed in claim 3, wherein: the two sides of the clamping plate (13) are fixedly connected with connecting plates (2), and one end of each connecting plate (2) far away from the clamping plate (13) is provided with an adjusting groove (21); a group of adjusting holes (22) are uniformly formed in the connecting plate (2) at positions corresponding to the adjusting grooves (21), and bolts (23) are inserted into the adjusting holes (22); the steel wire rope (18) is sleeved on the periphery of the plug pin (23) in the adjusting groove (21); through adjusting the position of bolt (23) in regulation hole (22), the not rock of equidimension is lifted by crane in the adaptation, avoids wire rope (18) to destroy the rock corner, further increases hoisting efficiency who lifts by crane the mechanism.
5. A hoisting mechanism according to claim 4, wherein: the diameter of the plug pin (23) is larger than five times that of the steel wire rope (18), so that the steel wire rope (18) is prevented from being plastically deformed, and the service life of the hoisting mechanism is prolonged.
6. A hoisting mechanism as claimed in claim 3, wherein: one side of the support rod (16) close to the oil cylinder (17) is provided with a group of limiting grooves (24), the steel wire ropes (18) are arranged in different limiting grooves (24) to adjust the tension and the length of the steel wire ropes (18), and therefore the support rod is suitable for firmly clamping stones with different sizes, and the lifting efficiency and the safety of the lifting mechanism are further improved.
7. A hoisting machine, characterized in that it is adapted to a hoisting mechanism according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211408.2A CN110877858B (en) | 2019-12-02 | 2019-12-02 | Lifting machine and lifting mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211408.2A CN110877858B (en) | 2019-12-02 | 2019-12-02 | Lifting machine and lifting mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN110877858A CN110877858A (en) | 2020-03-13 |
| CN110877858B true CN110877858B (en) | 2021-01-26 |
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| CN201911211408.2A Active CN110877858B (en) | 2019-12-02 | 2019-12-02 | Lifting machine and lifting mechanism thereof |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618831A (en) * | 2008-07-04 | 2010-01-06 | 邹家福 | Rescue lifting device |
| CN202687778U (en) * | 2012-07-18 | 2013-01-23 | 哈尔滨爱瑞特新型建材有限公司 | Clamp for wallboard hoisting |
| CN104671075A (en) * | 2015-01-08 | 2015-06-03 | 德阳凯达门业有限公司 | Clamping structure with two-in-one clamping point |
| CN204737579U (en) * | 2015-04-27 | 2015-11-04 | 常州市电力开关厂有限公司 | Spacing hoist of pipe |
| CN206587301U (en) * | 2017-03-01 | 2017-10-27 | 上海天本实业有限公司 | A kind of crack device tool heads and the device that cracks |
| CN110294411A (en) * | 2018-03-22 | 2019-10-01 | 大冶市志联冶金有限责任公司 | A kind of suspender for the lifting of high temperature rod iron |
| CN208799696U (en) * | 2018-07-09 | 2019-04-30 | 国家电网有限公司 | The hydraulic device that cracks |
| CN209618679U (en) * | 2018-12-13 | 2019-11-12 | 国家能源投资集团有限责任公司 | Claw and boom hoisting |
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| CN110877858A (en) | 2020-03-13 |
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