CN111170173A - Cargo hoisting mechanism in crane and working method thereof - Google Patents
Cargo hoisting mechanism in crane and working method thereof Download PDFInfo
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- CN111170173A CN111170173A CN202010121085.4A CN202010121085A CN111170173A CN 111170173 A CN111170173 A CN 111170173A CN 202010121085 A CN202010121085 A CN 202010121085A CN 111170173 A CN111170173 A CN 111170173A
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- Prior art keywords
- block
- bottom plate
- steel rope
- hoisting mechanism
- cargo
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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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
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a cargo hoisting mechanism in a crane and a working method thereof, the cargo hoisting mechanism comprises a hoisting mechanism body, the hoisting mechanism body comprises an arm support, a bridge frame and an object carrying block, the arm support is movably connected inside the hoisting mechanism body, the upper end of the arm support is fixedly connected with the bridge frame, and the object carrying block is movably connected below the bridge frame. The safety of the workers in loading and unloading the articles is effectively improved, and potential safety hazards are eliminated.
Description
Technical Field
The invention relates to the technical field of crane hoisting, in particular to a cargo hoisting mechanism in a crane and a working method thereof.
Background
The crane is an important transport tool in the production and manufacturing process, is a machine capable of horizontally moving and vertically lifting objects within a certain range, not only can reduce physical labor, but also can greatly improve labor productivity, and the lifting mechanism is a basic working mechanism of the crane, is mostly composed of a hanging system and a winch, and also can lift heavy objects through a hydraulic system.
Patent publication No. CN108862011B discloses an auxiliary device of hoist and mount work piece, including hard rail, the upside of hard rail is equipped with the base of L type, is fixed with a plurality of slider on the lower terminal surface of base, the slider is pegged graft in hard rail, the base on settle have a plurality of counterweights, the upper end of base lateral wall is fixed with a plurality of horizontally bracing piece, the other end of bracing piece articulates at first articulated seat through the articulated shaft, first articulated seat is fixed on vertical intermediate lamella, the lower extreme of base lateral wall is fixed with the articulated seat of a plurality of second, it has the upset hydro-cylinder to articulate through the articulated shaft on the articulated seat of second, is fixed with the hinge head on the piston rod of upset hydro-cylinder, the hinge head articulates on the third articulated seat through the articulated shaft, the third articulated seat is fixed on the intermediate lamella. The invention has simple structure, can realize the turnover of the cutting plate in the horizontal state into the side-standing state, and is convenient for hoisting by a crane. The disadvantages of this solution are: the hoisted article can shake in the hoisting process to influence the working efficiency, and after the article is hoisted to the designated position, the article is inconvenient to unload, the working efficiency is low, and potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a cargo hoisting mechanism in a crane and a working method thereof, and the invention uses the matching of an adjusting block, a rotating shaft and a steel rope, on the basis of hoisting and lifting the loading block by the existing first steel rope and the lifting hook, the loading block is lifted by keeping the same transportation speed of the first steel rope and the second steel rope through the matching use of the arranged adjusting block, the second steel rope and the fixed hook, the first steel rope and the second steel rope are respectively wound through the adjusting block, so that a stable triangular structure is formed among the first steel rope, the second steel rope and the bridge, the lifting objects can be protected, the stability of lifting and transporting the objects is improved, the objects are prevented from shaking in the lifting process to influence the efficiency of lifting work, and the three triangular points among the arm support, the bridge frame and the supporting beam are connected, so that the stability of the bridge frame work is further improved;
through the regulating plate, the bottom plate is used with the cooperation of pressing the briquetting, after the article is placed on the bottom plate and is promoted to the assigned position, open one side of carrying the thing piece, exert decurrent pressure to pressing the briquetting, upwards promote first bottom plate through the connecting block based on leverage, arch first bottom plate, exert thrust to the post that pushes away, promote the first bottom plate of arching to one side, slope through the second bottom plate, push article on the third bottom plate to the target location on, conveniently unload article, after the article uninstallation is accomplished, apply the pulling force to the post that pushes away and pull back the bottom plate in the opposite direction, the security of staff to the loading of article and uninstallation during operation has effectively been improved, the potential safety hazard has been eliminated.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a goods hoisting machine in hoist and mount mechanism, includes the hoisting machine body of mechanism, the hoisting machine body of mechanism contains cantilever crane, crane span structure and year thing piece, the inside swing joint of hoisting machine body has the cantilever crane, the upper end fixedly connected with crane span structure of cantilever crane, the below swing joint of crane span structure has the thing piece of carrying, the lower extreme of hoisting machine body is provided with the transport vechicle automobile body, the last fixed surface of transport vechicle automobile body installs the supporting seat, the last fixed surface of supporting seat installs the workstation and adjusts the fixed block, the workstation is located one side of adjusting the fixed block, the last surface swing joint of workstation has the commentaries on classics piece.
Furthermore, an adjusting block is fixedly connected between the arm support and the bridge frame, a second rotating shaft is fixedly installed inside the adjusting block, a first steel rope is movably connected to the inner surface of the second rotating shaft, a lifting hook is fixedly connected to the lower end of the first steel rope, a first fixing block and a second fixing block are fixedly installed on the inner surface of the adjusting block, the first fixing block is located at the lower end of the second fixing block, a fixing clamping arm is fixedly connected between the inner surface of the first fixing block and the inner surface of the second fixing block, a first rotating shaft is movably connected to the inside of the fixing clamping arm, a third rotating column penetrates through the inside of the first rotating shaft, the fixing clamping arm is movably connected with the first rotating shaft through the third rotating column, a second steel rope is movably connected to the inner surface of the first rotating shaft, and the first steel rope and the second steel rope are arranged in parallel inside the arm support, the first steel rope, the second steel rope and the bridge are arranged in a right triangle.
Furthermore, a balance block is fixedly installed at a position, close to one side, of the outer surface of the bridge frame, a support beam is fixedly installed inside the balance block, the balance block is fixedly connected with the arm support through the support beam, a first rotating column and a second rotating column penetrate through the bridge frame, the first rotating column is located on one side of the second rotating column, the arm support, the bridge frame and the support beam are connected through three triangular points, and the arm support, the bridge frame and the support beam are all welded.
Further, one side fixed mounting of carrying the thing piece has fixed clamp splice, the inside fixed mounting of fixed clamp splice has the fixed hook, the last fixed surface of carrying the thing piece installs the fixed rope piece of a plurality of, a plurality of fixed rope piece is the symmetrical arrangement, the internal surface swing joint of fixed rope piece has the connection steel cable.
Furthermore, the bridge frame is movably connected with the carrying block through a connecting steel rope, and the bridge frame is movably connected with the carrying block through a second steel rope.
Further, a first bottom plate and a third bottom plate are movably connected to the inner surface of the object carrying block, the first bottom plate is located on one side of the third bottom plate, a fourth rotary column is movably connected between the first bottom plate and the third bottom plate, a fixed column is fixedly mounted on the outer surface of the first bottom plate, a second bottom plate is movably connected to the outer surface of the first bottom plate, the second bottom plate is fixedly connected with the first bottom plate through the fixed column, a connecting plate is fixedly mounted on the outer surface of the object carrying block, a pressing block and a pushing column are fixedly connected to the outer surface of the connecting plate, the pressing block is located below the pushing column, a first adjusting plate is fixedly connected to the inner surface of the pressing block, a second adjusting plate is arranged on one side of the first adjusting plate, a third rotary shaft is movably connected between the first adjusting plate and the second adjusting plate, and a connecting block is fixedly mounted on one side of the second adjusting plate far away, the first bottom plate is connected with the pressing block lever through a first adjusting plate, a second adjusting plate and a connecting block.
Furthermore, the first rotating shaft is connected with the second steel rope in a sliding manner, and the second rotating shaft is connected with the first steel rope in a sliding manner.
The working steps of the cargo hoisting mechanism are as follows:
the method comprises the following steps: determining the direction and the angle of an adjusting arm support on a hoisting mechanism body through the rotation of an adjusting rotating block, loading articles onto an object carrying block, and starting a first driving motor and a second driving motor in an adjusting fixing block to enable a first steel rope, a second steel rope, a first rotating shaft and a second rotating shaft to start to rotate;
step two: the first driving motor winds the first steel rope, lifts the object carrying block upwards at a constant speed by lifting of the lifting hook and anticlockwise rotation of the second rotating shaft, and the second driving motor winds the second steel rope and lifts the object carrying block upwards at a constant speed from the side surface of the object carrying block through the fixed hook by anticlockwise rotation of the first rotating shaft;
step three: the carrying block is lifted to a specified target position stably at a constant speed by winding the first steel rope and the second steel rope at a constant speed, after the carrying block is placed stably, the first driving motor and the second driving motor are closed, one side of the carrying block is opened, downward pressure is applied to the pressing block, the first bottom plate is pushed upwards through the connecting block, thrust is applied to the push column, the arched first bottom plate is pushed to one side, and articles on the third bottom plate are pushed to the target position through the inclination of the second bottom plate;
step four: after the uninstallation of article is accomplished, exert pulling force to the support pillar, the first bottom plate that will arch up is set level, the second bottom plate returns to the original position, close one side of carrying the thing piece, start first driving motor and second driving motor, first driving motor is through relaxing first steel cable, decline through the lifting hook and the clockwise rotation of second pivot, it descends at the uniform velocity downwards to carry the thing piece, second driving motor is through relaxing the second steel cable, clockwise rotation through first pivot, make the second steel cable through the fixed hook from carrying the side of thing piece with carrying the thing piece descend downwards, through the release cooperation of first steel cable and second steel cable, it descends to the primary position at the uniform velocity steadily to carry the thing piece.
The invention has the beneficial effects that:
according to the invention, by the matching use of the adjusting block, the rotating shaft and the steel rope, on the basis of lifting and lifting the carrying block by the existing first steel rope and the lifting hook, the carrying block is lifted by keeping the same transportation speed of the first steel rope and the second steel rope through the matching use of the adjusting block, the second steel rope and the fixing hook, and the first steel rope and the second steel rope are respectively wound by the adjusting block, so that a stable triangular structure can be formed among the first steel rope, the second steel rope and the bridge, further the lifting object can be protected, the stability of lifting and transporting the object is improved, the object is prevented from shaking in the lifting process, the lifting work efficiency is influenced, and the three triangular points among the arm support, the bridge and the supporting beam are connected, so that the working stability of the bridge is further improved;
according to the invention, through the matching use of the adjusting plate, the bottom plate and the pressing block, when an object is placed on the bottom plate and lifted to a designated position, one side of the object carrying block is opened, downward pressure is applied to the pressing block, the first bottom plate is pushed upwards through the connecting block based on the lever action, the first bottom plate is arched, pushing force is applied to the pushing column, the arched first bottom plate is pushed to one side, the object on the third bottom plate is pushed to a target position through the inclination of the second bottom plate, the object is conveniently unloaded, and after the object is unloaded, pulling force is applied to the pushing column to pull back the bottom plate in the opposite direction, so that the safety of workers in the loading and unloading work of the object is effectively improved, and potential safety hazards are eliminated.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a structural view of a cargo hoisting mechanism in a crane according to the present invention;
FIG. 2 is a top view of a support beam according to the present invention;
FIG. 3 is an internal structural view of an adjusting block in the present invention;
FIG. 4 is a top view of the carrier block of the present invention;
FIG. 5 is a connecting structure diagram of the pressing block and the connecting block according to the present invention;
fig. 6 is a connection structure view of the first base plate and the second base plate according to the present invention.
In the figure: 1. a carrier vehicle body; 2. a supporting seat; 3. a work table; 4. rotating the block; 5. adjusting the fixed block; 6. a hoisting mechanism body; 7. a boom; 8. a counterbalance; 9. a bridge frame; 10. a support beam; 11. an adjusting block; 12. a first rotating column; 13. a second rotary column; 14. a first steel rope; 15. a second steel cord; 16. a hook; 17. fixing the clamping block; 18. a fixed hook; 19. carrying blocks; 20. connecting a steel rope; 21. a first fixed block; 22. a second fixed block; 23. fixing the clamping arm; 24. a third rotary column; 25. a first rotating shaft; 26. a second rotating shaft; 27. fixing the rope block; 28. a connecting plate; 29. a pressing block; 30. pushing the column; 31. fixing a column; 32. a fourth rotary column; 33. a first base plate; 34. a second base plate; 35. a first adjusting plate; 36. a second adjusting plate; 37. a third rotating shaft; 38. connecting blocks; 39. and a third bottom plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, a cargo hoisting mechanism in a crane comprises a hoisting mechanism body 6, wherein the hoisting mechanism body 6 comprises an arm support 7, a bridge support 9 and an object carrying block 19, the inside of the hoisting mechanism body 6 is movably connected with the arm support 7, the upper end of the arm support 7 is fixedly connected with the bridge support 9, the lower part of the bridge support 9 is movably connected with the object carrying block 19, the lower end of the hoisting mechanism body 6 is provided with a transport vehicle body 1, the upper surface of the transport vehicle body 1 is fixedly provided with a support seat 2, the upper surface of the support seat 2 is fixedly provided with a workbench 3 and an adjusting fixed block 5, the workbench 3 is positioned on one side of the adjusting fixed block 5, and the upper surface of the workbench 3 is movably connected with a rotating block 4.
A regulating block 11 is fixedly connected between the arm support 7 and the bridge 9, a second rotating shaft 26 is fixedly installed inside the regulating block 11, a first steel rope 14 is movably connected to the inner surface of the second rotating shaft 26, a hook 16 is fixedly connected to the lower end of the first steel rope 14, a first fixing block 21 and a second fixing block 22 are fixedly installed on the inner surface of the regulating block 11, the first fixing block 21 is located at the lower end of the second fixing block 22, a fixing clamping arm 23 is fixedly connected between the inner surface of the first fixing block 21 and the inner surface of the second fixing block 22, a first rotating shaft 25 is movably connected inside the fixing clamping arm 23, a third rotating column 24 penetrates through the inside of the first rotating shaft 25, the fixing clamping arm 23 is movably connected with the first rotating shaft 25 through the third rotating column 24, and a second steel rope 15 is movably connected to the inner surface of the first rotating shaft 25, the first steel rope 14 and the second steel rope 15 are arranged in parallel inside the arm support 7, and the first steel rope 14, the second steel rope 15 and the bridge 9 are arranged in a right-angled triangle.
The outer surface of the bridge frame 9 is fixedly provided with a balance block 8 at a position close to one side, the balance block 8 is fixedly provided with a support beam 10 inside, the balance block 8 is fixedly connected with the arm frame 7 through the support beam 10, a first rotating column 12 and a second rotating column 13 penetrate through the bridge frame 9, the first rotating column 12 is positioned at one side of the second rotating column 13, three points which are triangular are connected among the arm frame 7, the bridge frame 9 and the support beam 10, and the arm frame 7, the bridge frame 9 and the support beam 10 are all welded.
One side fixed mounting of year thing piece 19 has fixed clamp splice 17, the inside fixed mounting of fixed clamp splice 17 has fixed hook 18, the last fixed surface of carrying thing piece 19 installs the fixed rope piece 27 of a plurality of, a plurality of fixed rope piece 27 is the symmetrical arrangement, the internal surface swing joint of fixed rope piece 27 has connecting steel cable 20.
The bridge frame 9 is movably connected with the carrying block 19 through a connecting steel rope 20, and the bridge frame 9 is movably connected with the carrying block 19 through a second steel rope 15.
A first bottom plate 33 and a third bottom plate 39 are movably connected to the inner surface of the object carrying block 19, the first bottom plate 33 is located on one side of the third bottom plate 39, a fourth rotating column 32 is movably connected between the first bottom plate 33 and the third bottom plate 39, a fixed column 31 is fixedly installed on the outer surface of the first bottom plate 33, a second bottom plate 34 is movably connected to the outer surface of the first bottom plate 33, the second bottom plate 34 is fixedly connected with the first bottom plate 33 through the fixed column 31, a connecting plate 28 is fixedly installed on the outer surface of the object carrying block 19, a pressing block 29 and a pushing column 30 are fixedly connected to the outer surface of the connecting plate 28, the pressing block 29 is located below the pushing column 30, a first adjusting plate 35 is fixedly connected to the inner surface of the pressing block 29, a second adjusting plate 36 is arranged on one side of the first adjusting plate 35, and a third rotating shaft 37 is movably connected between the first adjusting plate 35 and the second adjusting plate 36, a connecting block 38 is fixedly mounted on one side of the second adjusting plate 36 far away from the third rotating shaft 37, and the first base plate 33 is in lever connection with the pressing block 29 through the first adjusting plate 35, the second adjusting plate 36 and the connecting block 38.
The first rotating shaft 25 is connected with the second steel rope 15 in a sliding manner, and the second rotating shaft 26 is connected with the first steel rope 14 in a sliding manner.
The working steps of the cargo hoisting mechanism are as follows:
the method comprises the following steps: determining the direction and the angle of an adjusting arm support 7 on a hoisting mechanism body 6 through the rotation of an adjusting rotating block 4, loading an object onto an object carrying block 19, and starting a first driving motor and a second driving motor in an adjusting fixing block 5 to enable a first steel rope 14, a second steel rope 15, a first rotating shaft 25 and a second rotating shaft 26 to start to rotate;
step two: the first driving motor winds the first steel rope 14, lifts the object carrying block 19 upwards at a constant speed by lifting of the lifting hook 16 and anticlockwise rotation of the second rotating shaft 26, and the second driving motor winds the second steel rope 15, and lifts the object carrying block 19 upwards at a constant speed from the side surface of the object carrying block 19 through the fixed hook 18 by anticlockwise rotation of the first rotating shaft 25;
step three: the object carrying block 19 is stably lifted to a specified target position at a constant speed by winding the first steel rope 14 and the second steel rope 15 at a constant speed, after the object carrying block 19 is placed stably, the first driving motor and the second driving motor are closed, one side of the object carrying block 19 is opened, downward pressure is applied to the pressing block 29, the first bottom plate 33 is pushed upwards through the connecting block 38, pushing force is applied to the push column 30, the arched first bottom plate 33 is pushed to one side, and objects on the third bottom plate 39 are pushed to the target position through the inclination of the second bottom plate 34;
step four: after the goods are unloaded, a pulling force is applied to the push column 30, the arched first bottom plate 33 is laid flat, the second bottom plate 34 returns to the original position, one side of the carrying block 19 is closed, the first driving motor and the second driving motor are started, the first steel rope 14 is loosened by the first driving motor, the carrying block 19 descends downwards at a constant speed through descending of the lifting hook 16 and clockwise rotation of the second rotating shaft 26, the second driving motor loosens the second steel rope 15, the second steel rope 15 descends downwards at a constant speed from the side surface of the carrying block 19 through the fixing hook 18 through clockwise rotation of the first rotating shaft 25, and the carrying block 19 descends to the original position stably at a constant speed through releasing and matching of the first steel rope 14 and the second steel rope 15.
The working principle of the invention is as follows:
the rotating block 4 contained in the hoisting mechanism body 6 is used for adjusting the transportation direction and angle of the arm support 7, the adjusting block 11 contained in the hoisting mechanism body 6 is used for adjusting the winding of the first steel rope 14 and the second steel rope 15, so that the first steel rope 14 and the second steel rope 15 are kept at a constant speed to lift the object carrying block 19, the first steel rope 14 and the second steel rope 15 are arranged in parallel in the arm support 7, the purpose that the first steel rope 14 and the second steel rope 15 are not interfered with each other is achieved, the first steel rope 14, the second steel rope 15 and the bridge frame 9 are arranged in a right triangle manner to improve the lifting stability of the object carrying block 19, the first bottom plate 33 is in lever connection with the pressing block 29 through the first adjusting plate 35, the second adjusting plate 36 and the connecting block 38, the pressing block 29 lifts and arches the first bottom plate 33 connected with the connecting block 38 through the lever action, and the pushing and pulling of the first bottom plate 33 by the pushing column 30 are, the unloading efficiency of the articles is effectively improved;
through the matching use of the adjusting block 11, the rotating shaft and the steel rope, on the basis that the object carrying block 19 is lifted by the existing first steel rope 14 and the lifting hook 16 in a hoisting manner, the object carrying block 19 is lifted by keeping the same transportation speed of the first steel rope 14 and the second steel rope 15 through the matching use of the adjusting block 11, the second steel rope 15 and the fixing hook 18, the first steel rope 14 and the second steel rope 15 are respectively wound by the adjusting block 11, so that a stable triangular structure can be formed among the first steel rope 14, the second steel rope 15 and the bridge frame 9, further the lifted object can be protected, the stability of the lifting transportation of the object is improved, the object is prevented from shaking in the lifting process, the object carrying block 19 can be rapidly and efficiently transported to a target position, the problem that the transportation speed is slow due to the shaking of the object carrying block 19 in the prior art is solved, and the efficiency of the lifting work is further influenced, the three triangular points are connected among the arm support 7, the bridge frame 9 and the supporting beam 10, so that the working stability of the bridge frame 9 is further improved, a balance block 8 is fixedly arranged at a position, close to one side, of the outer surface of the bridge frame 9, the balance block 8 is used for improving the stability of the bridge frame 9 and preventing the bridge frame 9 from turning over when the second steel rope 15 runs on one side of the bridge frame 9, the supporting beam 10 is fixedly arranged inside the balance block 8, the balance block 8 is fixedly connected with the arm support 7 through the supporting beam 10, a first rotating column 12 and a second rotating column 13 penetrate through the bridge frame 9, the first rotating column 12 is positioned on one side of the second rotating column 13, the three triangular points are connected among the arm support 7, the bridge frame 9 and the supporting beam 10, and the stability of the hoisting mechanism body 6 in the running process is;
through the cooperation of the adjusting plate, the bottom plate and the pressing block 29, after an object is placed on the bottom plate and lifted to a designated position, one side of the object carrying block 19 is opened, downward pressure is applied to the pressing block 29, the first bottom plate 33 is pushed upwards through the connecting block 38 based on leverage, the first bottom plate 33 is arched, pushing force is applied to the pushing column 30, the arched first bottom plate 33 is pushed towards one side, the object on the third bottom plate 39 is pushed to a target position through the inclination of the second bottom plate 34, the object is conveniently unloaded, after the unloading of the object is completed, pulling force is applied to the pushing column 30 to pull back the bottom plate in the opposite direction, the safety of workers in the process of loading and unloading the object is effectively improved, and potential safety hazards are eliminated.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A cargo hoisting mechanism in a crane is characterized by comprising a hoisting mechanism body (6), the hoisting mechanism body (6) comprises an arm support (7), a bridge support (9) and an object carrying block (19), an arm support (7) is movably connected inside the hoisting mechanism body (6), the upper end of the arm support (7) is fixedly connected with a bridge (9), a loading block (19) is movably connected below the bridge (9), a transport vehicle body (1) is arranged at the lower end of the hoisting mechanism body (6), a supporting seat (2) is fixedly arranged on the upper surface of the carrier vehicle body (1), the upper surface of the supporting seat (2) is fixedly provided with a workbench (3) and an adjusting fixed block (5), the workbench (3) is positioned on one side of the adjusting fixing block (5), and the upper surface of the workbench (3) is movably connected with a rotating block (4).
2. The cargo hoisting mechanism in the crane according to claim 1, wherein a regulating block (11) is fixedly connected between the arm support (7) and the bridge (9), a second rotating shaft (26) is fixedly installed inside the regulating block (11), a first steel rope (14) is movably connected to the inner surface of the second rotating shaft (26), a hook (16) is fixedly connected to the lower end of the first steel rope (14), a first fixing block (21) and a second fixing block (22) are fixedly installed on the inner surface of the regulating block (11), the first fixing block (21) is located at the lower end of the second fixing block (22), a fixing clamping arm (23) is fixedly connected between the inner surface of the first fixing block (21) and the inner surface of the second fixing block (22), and a first rotating shaft (25) is movably connected inside the fixing clamping arm (23), the inside of first pivot (25) is run through and is had third rotary column (24), fixed arm lock (23) are through third rotary column (24) and first pivot (25) swing joint, the internal surface swing joint of first pivot (25) has second steel cable (15), first steel cable (14) and second steel cable (15) are parallel arrangement in the inside of cantilever crane (7), be right triangle between first steel cable (14), second steel cable (15) and crane span structure (9) and arrange.
3. The cargo hoisting mechanism of the crane as recited in claim 1, wherein a balance weight (8) is fixedly installed at a position close to one side of the outer surface of the bridge (9), a support beam (10) is fixedly installed inside the balance weight (8), the balance weight (8) is fixedly connected with the arm support (7) through the support beam (10), a first rotating column (12) and a second rotating column (13) penetrate through the bridge (9), the first rotating column (12) is located at one side of the second rotating column (13), the arm support (7), the bridge (9) and the support beam (10) are connected with each other at three triangular points, and the arm support (7), the bridge (9) and the support beam (10) are all welded.
4. The cargo hoisting mechanism in the crane according to claim 1, wherein a fixed clamping block (17) is fixedly installed on one side of the cargo carrying block (19), a fixed hook (18) is fixedly installed inside the fixed clamping block (17), a plurality of fixed rope blocks (27) are fixedly installed on the upper surface of the cargo carrying block (19), the fixed rope blocks (27) are symmetrically arranged, and a connecting steel rope (20) is movably connected to the inner surface of each fixed rope block (27).
5. A hoisting mechanism for cargo in crane according to claim 4, wherein said bridge (9) is movably connected to said cargo block (19) by means of connecting steel cables (20), and said bridge (9) is movably connected to said cargo block (19) by means of second steel cables (15).
6. The cargo hoisting mechanism in the crane according to claim 1, wherein the inner surface of the cargo block (19) is movably connected with a first bottom plate (33) and a third bottom plate (39), the first bottom plate (33) is positioned at one side of the third bottom plate (39), a fourth rotary column (32) is movably connected between the first bottom plate (33) and the third bottom plate (39), the outer surface of the first bottom plate (33) is fixedly provided with a fixed column (31), the outer surface of the first bottom plate (33) is movably connected with a second bottom plate (34), the second bottom plate (34) is fixedly connected with the first bottom plate (33) through the fixed column (31), the outer surface of the cargo block (19) is fixedly provided with a connecting plate (28), the outer surface of the connecting plate (28) is fixedly connected with a pressing block (29) and a pushing column (30), the pressing block (29) is positioned below the pushing column (30), according to the internal surface fixedly connected with first regulating plate (35) of pressing block (29), one side of first regulating plate (35) is provided with second regulating plate (36), swing joint has third pivot (37) between first regulating plate (35) and second regulating plate (36), one side fixed mounting who keeps away from third pivot (37) of second regulating plate (36) has connecting block (38), first bottom plate (33) are through first regulating plate (35), second regulating plate (36) and connecting block (38) and press block (29) lever connection.
7. A hoisting mechanism for cargo in crane according to claim 2, wherein the first rotating shaft (25) is connected with the second steel cable (15) in a sliding manner, and the second rotating shaft (26) is connected with the first steel cable (14) in a sliding manner.
8. A working method of a cargo hoisting mechanism in a crane is characterized in that the working steps of the cargo hoisting mechanism are as follows:
the method comprises the following steps: determining the direction and the angle of an adjusting arm support (7) on a hoisting mechanism body (6) through the rotation of an adjusting rotating block (4), loading articles onto an object carrying block (19), and starting a first driving motor and a second driving motor in an adjusting fixing block (5) to enable a first steel rope (14), a second steel rope (15), a first rotating shaft (25) and a second rotating shaft (26) to start to rotate;
step two: the first driving motor winds the first steel rope (14), the object carrying block (19) is lifted upwards at a constant speed by lifting of the lifting hook (16) and anticlockwise rotation of the second rotating shaft (26), and the second driving motor winds the second steel rope (15) and lifts the object carrying block (19) upwards at a constant speed from the side face of the object carrying block (19) through the fixed hook (18) by anticlockwise rotation of the first rotating shaft (25);
step three: the object carrying block (19) is lifted to a specified target position stably at a constant speed by winding the first steel rope (14) and the second steel rope (15) at a constant speed, after the object carrying block (19) is placed stably, the first driving motor and the second driving motor are closed, one side of the object carrying block (19) is opened, downward pressure is applied to the pressing block (29), the first bottom plate (33) is pushed upwards through the connecting block (38), pushing force is applied to the pushing column (30), the arched first bottom plate (33) is pushed to one side, and objects on the third bottom plate (39) are pushed to the target position through the inclination of the second bottom plate (34);
step four: after the goods are unloaded, applying a pulling force to the push column (30), flatly placing the arched first bottom plate (33), returning the second bottom plate (34) to the original position, closing one side of the goods carrying block (19), starting the first driving motor and the second driving motor, wherein the first driving motor loosens the first steel rope (14), the object carrying block (19) descends downwards at a constant speed by descending the lifting hook (16) and clockwise rotating the second rotating shaft (26), the second driving motor loosens the second steel rope (15), the second steel rope (15) descends the object carrying block (19) downwards at a constant speed from the side surface of the object carrying block (19) through the fixed hook (18) by clockwise rotation of the first rotating shaft (25), the object carrying block (19) is stably descended to the original position at a constant speed through the releasing matching of the first steel rope (14) and the second steel rope (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010121085.4A CN111170173A (en) | 2020-02-26 | 2020-02-26 | Cargo hoisting mechanism in crane and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010121085.4A CN111170173A (en) | 2020-02-26 | 2020-02-26 | Cargo hoisting mechanism in crane and working method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111170173A true CN111170173A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010121085.4A Withdrawn CN111170173A (en) | 2020-02-26 | 2020-02-26 | Cargo hoisting mechanism in crane and working method thereof |
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| Country | Link |
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| CN (1) | CN111170173A (en) |
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| CN112875540A (en) * | 2021-03-01 | 2021-06-01 | 王甫贵 | Aeroengine hoisting platform |
| CN113582017A (en) * | 2021-08-02 | 2021-11-02 | 安徽耕驰智能设备制造有限公司 | Mounting structure for steel in assembling process |
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