CN116199094B - Space-adjustable lifting beam and use method thereof - Google Patents
Space-adjustable lifting beam and use method thereof Download PDFInfo
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- CN116199094B CN116199094B CN202211558610.4A CN202211558610A CN116199094B CN 116199094 B CN116199094 B CN 116199094B CN 202211558610 A CN202211558610 A CN 202211558610A CN 116199094 B CN116199094 B CN 116199094B
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- fixedly connected
- air cylinder
- piston
- sliding
- beam body
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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
- B66C1/14—Slings with hooks
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a lifting beam with adjustable space and a use method thereof, belonging to the technical field of lifting beams, wherein the lifting beam comprises a beam body, a sliding groove is formed on the bottom surface of the beam body, sliding blocks are connected at the left side and the right side in the sliding groove in a sliding manner, connecting columns are fixedly connected at the bottom ends of the sliding blocks, steel ropes are fixedly connected at the bottom ends of the connecting columns, and hooks are fixedly connected at the bottom ends of the steel ropes; the Liang Tibiao surface is provided with a first driving mechanism which is used for driving the bidirectional threaded rod to rotate so as to adjust the distance between the sliding blocks at the left side and the right side, and the first driving mechanism is driven to operate before driving the bidirectional threaded rod to rotate; the device can guarantee the stability of couple through stabilizing mean in the gliding in-process of left and right sides slider, can effectually prevent that the couple from violently rocking to can hang the couple to the object surface that needs hoist and mount in the shorter time, save the time when lifting and mount some inconvenient manual operation's object, also less danger exists when adjusting the couple interval simultaneously.
Description
Technical Field
The invention relates to the technical field of lifting beams, in particular to a lifting beam with an adjustable space and a use method thereof.
Background
The lifting beam is the most commonly used tool for conveying materials in the modern technology, and is required to convey the materials in both industrial sites and decoration sites, so that operators can be helped to reduce the frequency of conveying the materials and the weight of conveying, and the lifting beam is strong in practicability and wide in application range.
The existing lifting beam is generally composed of a beam body and two hooks connected with the beam body through steel ropes, and in order to ensure the stability of the lifting beam during lifting, the two hooks are generally symmetrically distributed on the surface of the beam body; the existing lifting beam hooks are directly hung on the surface of the beam body through steel ropes, when objects with different sizes are lifted, the distance between the two hooks needs to be adjusted, when the distance between the hooks is adjusted, the steel ropes need to be manually taken down, then the steel ropes are hung on other positions on the surface of the beam body, the adjusting mode is low in efficiency and labor-consuming, meanwhile, only a specific distance can be adjusted at one time, and the accuracy of the distance adjustment between the two hooks is poor; the lifting beam of the hook can be adjusted automatically in part, the hook can shake severely in the process of adjusting the hook, when objects inconvenient to operate manually are needed to be lifted, the hook can be hung on the surface of the object to be lifted only after the hook is static and a large amount of time is spent, so that a large amount of time can be wasted, and meanwhile, the hook on the lifting surface can shake to easily collide with other objects, so that great potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a lifting beam with adjustable spacing and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the space-adjustable lifting beam comprises a beam body, wherein a sliding groove is formed in the surface of the bottom side of the beam body, sliding blocks are slidably connected to the left side and the right side in the sliding groove, connecting columns are fixedly connected to the bottom ends of the sliding blocks, steel ropes are fixedly connected to the bottom ends of the connecting columns, and hooks are fixedly connected to the bottom ends of the steel ropes; a bidirectional threaded rod is arranged in the chute and fixedly connected with the beam body, and the transmission parts at the left side and the right side of the bidirectional threaded rod are respectively in threaded fit with the sliding blocks at the left side and the right side; the surface of the sliding block is provided with a stabilizing mechanism, and the stabilizing mechanism is used for preventing the hook from shaking violently and improving the stability of the hook when the distance between the sliding blocks at the left side and the right side is adjusted; the Liang Tibiao face is provided with a first driving mechanism, and the first driving mechanism is used for driving the bidirectional threaded rod to rotate so as to adjust the distance between the sliding blocks at the left side and the right side, and the first driving stabilizing mechanism is driven to operate before the bidirectional threaded rod is driven to rotate.
The first driving mechanism comprises two first fixing frames and two U-shaped rods; the two first fixing frames and the two U-shaped rods are distributed at the right side of Liang Tizuo and are fixedly connected with the beam body; the surface of the first fixing frame on the right side is fixedly connected with a motor; the left U-shaped rod is rotationally connected with the left first fixing frame, and the right U-shaped rod is fixedly connected with the motor output shaft; a rotating rod is arranged between the U-shaped rods on the left side and the right side, and is coaxially and fixedly connected with the U-shaped rods on the left side and the right side; the rotating rod is rotationally connected with the beam body and is in clearance fit with the sliding block; the surface of the first fixing frame is provided with a second driving mechanism, and the second driving mechanism is used for driving the bidirectional threaded rod to rotate after the motor drives the rotating rod to rotate for a certain time.
The second driving machine comprises a first air cylinder which is fixedly connected with the beam body and is rotationally connected with the rotating rod; the surface of the rotating rod is positioned at the inner side part of the first air cylinder and is in sliding connection with a sleeve, the surface of the sleeve is fixedly connected with a first gear, the surface of the sleeve is rotationally connected with a first piston, the first gear is positioned at the outer side position of the first air cylinder, the first piston is positioned at the inner side position of the first air cylinder, the first piston is in sealing sliding connection with the inner wall of the first air cylinder, and a plurality of first ventilation holes are uniformly formed in the surface of the first piston; the surface of the first piston is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with a first air cylinder; the left and right sides of the surface of the beam body are symmetrically and rotationally connected with second gears, and the left and right ends of the bidirectional threaded rod are respectively and fixedly connected with the second gears on the left and right sides; the distance between the first gears on the left side and the right side is smaller than the distance between the second gears on the left side and the right side.
The bottom of the U-shaped rod is provided with a second air cylinder which is fixedly connected with the beam body, the interior of the second air cylinder is hermetically and slidingly connected with a second piston, the upper surface of the second piston is rotationally connected with a first connecting rod, and the upper end of the first connecting rod is rotationally connected with the U-shaped rod; the surface of the bottom side of the second air cylinder is communicated with a first air pipe, and the other end of the first air pipe is communicated with the first air cylinder; the second piston surface and the first air tube are fixedly connected with first check valves at the positions of the connection parts of the second piston surface and the first air tube and the second air tube, and the circulation directions of the two first check valves are downward.
The stabilizing mechanism comprises two first belt pulleys which are distributed at the left side and the right side of the sliding block and are both in rotary connection with the sliding block; the surface of the sliding block is positioned at the bottom of the first belt pulley and is rotationally connected with a second belt pulley, and the surface of the second belt pulley is provided with a belt which is meshed with the first belt pulley and the second belt pulley at the same time; the first belt pulley is connected with the rotating rod in a sliding manner; the left side and the right side of the bottom surface of the sliding block are symmetrically and fixedly connected with connecting blocks, the surface of each connecting block is fixedly connected with a third air cylinder, a third piston is connected in a sealing sliding manner in the third air cylinder, the upper surface of the third piston is rotationally connected with a second connecting rod, the upper end of the second connecting rod is rotationally connected with the surface of a second belt pulley, and the connecting position of the second connecting rod and the second belt pulley is positioned at the edge position of the surface of the second belt pulley; the third piston surface and the third inflator bottom surface are fixedly connected with second one-way valves, and the circulation directions of the two second one-way valves are downward.
The surface of the connecting column is fixedly connected with a connecting cylinder, the left side and the right side of the upper surface of the connecting cylinder are symmetrically communicated with a second air pipe, and the other end of the second air pipe is communicated with a third air cylinder; four fourth air cylinders are uniformly communicated with the side surface of the connecting cylinder, are distributed on the surface of the connecting cylinder in a circumferential array manner, and are fixedly connected with connecting blocks on the left side and the right side respectively; a fourth piston is connected in the fourth inflator in a sealing and sliding manner, and a plurality of second ventilation holes are uniformly formed in the surface of the fourth piston; the surface of the fourth piston is fixedly connected with a sliding frame, and the sliding frame is in sliding connection with a fourth air cylinder; the surface of the fourth piston is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with a fourth inflator.
A wire box is arranged at the bottom of the fourth inflator, the wire box is fixedly connected with the sliding frame, a winding wheel is rotationally connected inside the wire box, and a pull rope is fixedly connected to the surface of the winding wheel; the surface of the wire box is rotationally connected with two guide wheels at a position close to one side of the steel rope, the pull rope is positioned between the two guide wheels, and the pull rope is simultaneously attached to the two guide wheels and the surface of the steel rope; the bottom end of the pull rope is fixedly connected with the hook, and the bottom part of the pull rope is attached to the steel cable; the surface of the wire box is fixedly connected with a volute spring, and the other end of the volute spring is fixedly connected with the winding wheel.
A method for using a spacing-adjustable lifting beam comprises the following specific steps:
step one: when an object is required to be lifted, the beam body is firstly installed, and then the distance between the two hooks is adjusted according to the size of the object to be lifted;
step two: the driving mechanism is started, the bidirectional threaded rod can be driven to rotate through the driving mechanism, and when the bidirectional threaded rod rotates, the two sliding blocks are driven to slide leftwards or rightwards in the sliding groove simultaneously;
step three: before the driving mechanism drives the bidirectional threaded rod to rotate, the driving mechanism drives the stabilizing mechanism to operate;
step four: when the distance between the two hooks is adjusted by sliding the sliding blocks at the left side and the right side of the stabilizing mechanism, the distance between the hooks can be prevented from shaking, and the stability of the hooks is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the driving mechanism is started to drive the bidirectional threaded rod in the beam body to rotate, the bidirectional threaded rod can drive the two sliding blocks in the sliding groove to move towards the positions close to each other or away from each other at the same time when being rotated, and the sliding blocks can drive the hooks corresponding to the sliding blocks to move when moving, so that the effect of automatically adjusting the distance between the two hooks can be achieved, and the adjusting precision and the adjusting efficiency are high; before the driving mechanism drives the bidirectional threaded rod to rotate, the driving mechanism can drive the stabilizing mechanism to operate, the stability of the hooks can be guaranteed in the sliding process of the sliding blocks at the left side and the right side through the stabilizing mechanism, and the hooks can be effectively prevented from shaking violently, so that the hooks can be hung on the surface of an object to be hoisted in a short time, the time for hoisting some objects inconvenient to operate manually is saved, and meanwhile, the danger existing in the process of adjusting the distance between the hooks is also reduced.
2. When the sliding frame is driven by the piston to slide on the surface of the fourth air cylinder, the sliding frame drives the wire box connected with the sliding frame to move to a position far away from the steel cable, and the pull rope is continuously discharged from the wire box along with the movement of the wire box; when the fourth piston moves to the limit position in the fourth air cylinder, the pull rope is completely released and is not wound on the surface of the winding wheel any more, the wire box generates a pulling force on the hook through the pull rope, the hook receives four pulling forces under the action of the four pull ropes, the resultant force of the four pulling forces is exactly equal to the gravity of the hook, at the moment, the piston is kept motionless in the fourth air cylinder due to the fact that air is continuously injected into the fourth air cylinder, and the hook can not shake violently under the action of the four pull ropes when the position of the hook is adjusted along with the sliding of the sliding block; when the hook is adjusted to a proper position, the motor is stopped at the moment, air in the fourth air cylinder is slowly discharged through the second air holes, then under the action of the second spring, the fourth piston drives the wire box to reset through the sliding frame, and at the moment, the hook is restored to be flexible.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of a split structure of the present invention;
FIG. 4 is a schematic view of a rotating rod according to the present invention;
FIG. 5 is a schematic cross-sectional view of a second drive mechanism according to the present invention;
FIG. 6 is a schematic structural view of a stabilizing mechanism according to the present invention;
FIG. 7 is a schematic view of a stabilization mechanism of the present invention in partial cross-section;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A;
FIG. 9 is a schematic cross-sectional view of a center line cassette of the present invention;
fig. 10 is a schematic view of the scroll spring according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a beam body; 2. a chute; 3. a slide block; 4. a connecting column; 5. a wire rope; 6. a hook; 7. a two-way threaded rod; 8. a first fixing frame; 9. a U-shaped rod; 10. a motor; 11. a rotating lever; 12. a first air cylinder; 13. a sleeve; 14. a first gear; 15. a first piston; 16. a first ventilation hole; 17. a first spring; 18. a second gear; 19. a second air cylinder; 20. a second piston; 21. a first link; 22. a first air tube; 23. a first one-way valve; 24. a first pulley; 25. a second pulley; 26. a belt; 27. a connecting block; 28. a third air cylinder; 29. a third piston; 30. a second link; 31. a second one-way valve; 32. a connecting cylinder; 33. a second air pipe; 34. a fourth air cylinder; 35. a fourth piston; 36. a second ventilation hole; 37. a carriage; 38. a second spring; 39. a wire box; 40. a winding wheel; 41. a pull rope; 42. a guide wheel; 43. a volute spring.
Detailed Description
Referring to fig. 1 to 10, the present invention provides a technical solution: a space-adjustable lifting beam and a use method thereof comprise a beam body 1, wherein a chute 2 is formed on the surface of the bottom side of the beam body 1, sliding blocks 3 are slidably connected at the left side and the right side in the chute 2, connecting columns 4 are fixedly connected at the bottom ends of the sliding blocks 3, steel ropes 5 are fixedly connected at the bottom ends of the connecting columns 4, and hooks 6 are fixedly connected at the bottom ends of the steel ropes 5; a bidirectional threaded rod 7 is arranged in the chute 2, the bidirectional threaded rod 7 is fixedly connected with the beam body 1, and the transmission parts at the left side and the right side of the bidirectional threaded rod 7 are respectively in threaded fit with the sliding blocks 3 at the left side and the right side; the surface of the sliding block 3 is provided with a stabilizing mechanism, and the stabilizing mechanism is used for preventing the hook 6 from shaking violently and improving the stability of the hook 6 when the distance between the sliding blocks 3 at the left side and the right side is adjusted; the surface of the beam body 1 is provided with a first driving mechanism which is used for driving the bidirectional threaded rod 7 to rotate so as to adjust the distance between the sliding blocks 3 at the left side and the right side, and the first driving stabilizing mechanism is driven to operate before driving the bidirectional threaded rod 7 to rotate;
when the lifting beam works, the lifting beam is the most commonly used tool for conveying substances in the modern process, and is required to convey the materials in both industrial sites and decoration sites, so that operators can be helped to reduce the frequency of conveying the materials and the weight of conveying, and the lifting beam has strong practicability and wide application range; the existing lifting beam is generally composed of a beam body and two hooks connected with the beam body through steel ropes, and in order to ensure the stability of the lifting beam during lifting, the two hooks are generally symmetrically distributed on the surface of the beam body; the existing lifting beam hooks are directly hung on the surface of the beam body through steel ropes, when objects with different sizes are lifted, the distance between the two hooks needs to be adjusted, when the distance between the hooks is adjusted, the steel ropes need to be manually taken down, then the steel ropes are hung on other positions on the surface of the beam body, the adjusting mode is low in efficiency and labor-consuming, meanwhile, only a specific distance can be adjusted at one time, and the accuracy of the distance adjustment between the two hooks is poor; the lifting beam with part capable of automatically adjusting the hooks can shake severely in the process of adjusting the hooks, when objects inconvenient to operate manually are needed to be lifted, the hooks can be hung on the surfaces of the objects to be lifted only after the hooks are stationary, a great amount of time is wasted, and meanwhile, the hooks on the surfaces of the hooks shake to easily collide with other objects, so that great potential safety hazards exist; the device can drive the bidirectional threaded rod 7 in the beam body 1 to rotate by starting the driving mechanism, the bidirectional threaded rod 7 can drive the two sliding blocks 3 in the sliding groove 2 to move towards the positions close to each other or away from each other simultaneously when rotating, and the sliding blocks 3 can drive the hooks 6 corresponding to the sliding blocks to move when moving, so that the effect of automatically adjusting the distance between the two hooks 6 can be achieved, and the adjustment precision and the adjustment efficiency are high; before the driving mechanism drives the bidirectional threaded rod 7 to rotate, the driving mechanism can drive the stabilizing mechanism to operate, the stability of the hook 6 can be guaranteed in the sliding process of the sliding blocks 3 at the left side and the right side through the stabilizing mechanism, and the hook 6 can be effectively prevented from shaking violently, so that the hook 6 can be hung on the surface of an object to be hoisted in a short time, the time for hoisting some objects inconvenient to operate manually is saved, and meanwhile, the danger existing in the process of adjusting the distance between the hooks 6 is also reduced.
As a further solution of the invention, the first driving mechanism comprises two first fixing frames 8 and two U-shaped rods 9; the two first fixing frames 8 and the two U-shaped rods 9 are distributed at the left side and the right side of the beam body 1, and the two first fixing frames 8 are fixedly connected with the beam body 1; the surface of the right first fixing frame 8 is fixedly connected with a motor 10; the left U-shaped rod 9 is rotationally connected with the left first fixing frame 8, and the right U-shaped rod 9 is fixedly connected with the output shaft of the motor 10; a rotating rod 11 is arranged between the U-shaped rods 9 at the left side and the right side, and the rotating rod 11 is coaxially and fixedly connected with the U-shaped rods 9 at the left side and the right side; the rotating rod 11 is rotationally connected with the beam body 1, and the rotating rod 11 is in clearance fit with the sliding block 3; the surface of the first fixing frame 8 is provided with a second driving mechanism, and the second driving mechanism is used for driving the bidirectional threaded rod 7 to rotate after the motor 10 drives the rotating rod 11 to rotate for a certain time; when the hanger works, when the distance between the hooks 6 needs to be adjusted, the right U-shaped rod 9 can be driven to rotate by starting the motor 10, the right U-shaped rod 9 can drive the rotating rod 11 to rotate, and the rotating rod 11 rotates and simultaneously drives the left U-shaped rod 9 to rotate; after the rotating rod 11 rotates for a certain time, the second driving mechanism can directly drive the bidirectional threaded rod 7 to rotate, so that the distance between the hooks 6 is adjusted.
As a further scheme of the invention, the second driving machine comprises a first air cylinder 12, wherein the first air cylinder 12 is fixedly connected with the beam body 1, and the first air cylinder 12 is rotationally connected with the rotating rod 11; the surface of the rotating rod 11 is positioned at the inner side part of the first air cylinder 12 and is slidably connected with a sleeve 13, the surface of the sleeve 13 is fixedly connected with a first gear 14, the surface of the sleeve 13 is rotatably connected with a first piston 15, the first gear 14 is positioned at the outer side position of the first air cylinder 12, the first piston 15 is positioned at the inner side position of the first air cylinder 12, the first piston 15 is in sealed sliding connection with the inner wall of the first air cylinder 12, and a plurality of first ventilation holes 16 are uniformly formed in the surface of the first piston 15; the surface of the first piston 15 is fixedly connected with a first spring 17, and the other end of the first spring 17 is fixedly connected with the first air cylinder 12; the left and right sides of the surface of the beam body 1 are symmetrically and rotatably connected with second gears 18, and the left and right ends of the bidirectional threaded rod 7 are respectively and fixedly connected with the second gears 18 on the left and right sides; the distance between the left and right first gears 14 is smaller than the distance between the left and right second gears 18; when the motor 10 drives the rotating rod 11 to rotate, the rotating rod 11 drives the sleeves 13 on the left side and the right side to rotate, the first gears 14 on the surfaces of the sleeves 13 are driven to rotate when the sleeves 13 rotate, the sleeves 13 can be driven to move by driving the first pistons 15 to slide in the first air cylinders 12, the first gears 14 are driven to move when the sleeves 13 move, the second gears 18 can be driven to rotate when the first gears 14 move to the position meshed with the second gears 18, and accordingly the bidirectional threaded rod 7 can be driven to rotate.
As a further scheme of the invention, a second air cylinder 19 is arranged at the bottom of the U-shaped rod 9, the second air cylinder 19 is fixedly connected with the beam body 1, a second piston 20 is hermetically and slidingly connected inside the second air cylinder 19, a first connecting rod 21 is rotatably connected to the upper side surface of the second piston 20, and the upper end of the first connecting rod 21 is rotatably connected with the U-shaped rod 9; the bottom surface of the second air cylinder 19 is communicated with a first air pipe 22, and the other end of the first air pipe 22 is communicated with the first air cylinder 12; the surface of the second piston 20 and the position inside the first air tube 22 at the joint with the second air tube 19 are fixedly connected with first one-way valves 23, and the circulation directions of the two first one-way valves 23 are downward; when the two U-shaped rods 9 rotate, the U-shaped rods 9 drive the second piston 20 to continuously slide up and down in the second air cylinder 19 under the action of the first connecting rod 21, and when the second piston 20 slides upwards, the first one-way valve 23 on the surface of the second piston 20 is opened, the one-way valve on the surface of the second air cylinder 19 is closed, and external air enters the second air cylinder 19 through the first one-way valve 23; when the second piston 20 moves downwards, the first check valve 23 on the surface of the second piston 20 is closed, the first check valve 23 on the surface of the second air cylinder 19 is opened, the second piston 20 injects the air in the second air cylinder 19 into the first air cylinder 12 through the first air pipe 22, and the first air hole 16 on the surface of the first piston 15 has limited air displacement along with the continuous injection of the air into the first air cylinder 12, so that the first piston 15 is pushed by the air to drive the sleeve 13 to start moving; when the first piston 15 moves the limit position in the first air cylinder 12, the first gear 14 is just meshed with the second gear 18, the first gear 14 drives the second gear 18 to rotate, and the second gear 18 drives the bidirectional threaded rod 7 to rotate to adjust the distance between the hooks 6; when the hook 6 is adjusted to a proper position, the motor 10 is stopped at this time, air is not injected into the first air cylinder 12 any more, the air in the first air cylinder 12 is slowly discharged through the first exhaust hole, and then the piston drives the sleeve 13 to slowly reset under the action of the first spring 17.
As a further scheme of the invention, the stabilizing mechanism comprises two first belt pulleys 24, the two first belt pulleys 24 are distributed at the left side and the right side of the sliding block 3, and the two first belt pulleys 24 are rotationally connected with the sliding block 3; the surface of the sliding block 3 is positioned at the bottom of the first belt pulley 24 and is rotationally connected with a second belt pulley 25, the surface of the second belt pulley 25 is provided with a belt 26, and the belt 26 is simultaneously meshed with the first belt pulley 24 and the second belt pulley 25; the first belt pulley 24 is in sliding connection with the rotating rod 11; the left side and the right side of the bottom surface of the sliding block 3 are symmetrically and fixedly connected with a connecting block 27, the surface of the connecting block 27 is fixedly connected with a third air cylinder 28, the inside of the third air cylinder 28 is in sealed sliding connection with a third piston 29, the upper side surface of the third piston 29 is rotationally connected with a second connecting rod 30, the upper end of the second connecting rod 30 is rotationally connected with the surface of the second belt pulley 25, and the connecting position of the second connecting rod 30 and the second belt pulley 25 is positioned at the edge of the surface of the second belt pulley 25; the surface of the third piston 29 and the bottom surface of the third inflator 28 are fixedly connected with second one-way valves 31, and the circulation directions of the two second one-way valves 31 are downward; when the motor 10 drives the rotating rod 11 to rotate, the rotating rod 11 drives the two first belt pulleys 24 on the surface of the sliding block 3 to rotate, the first belt pulleys 24 drive the second belt pulleys 25 to rotate through the belt 26, and the second belt pulleys 25 can drive the third piston 29 to continuously reciprocate up and down in the third air cylinder 28 through the second connecting rod 30 when rotating; when the third piston 29 moves upward, the second check valve 31 on the surface of the third piston 29 is opened, the third check valve on the surface of the third air cylinder 28 is closed, at this time, the outside air enters the third air cylinder 28, and when the third piston 29 moves downward, the second check valve 31 on the surface of the third piston 29 is closed, the second check valve 31 on the surface of the third air cylinder 28 is opened, and the air in the third air cylinder 28 is discharged through the second check valve 31 on the surface of the third air cylinder 28.
As a further scheme of the invention, the surface of the connecting column 4 is fixedly connected with a connecting cylinder 32, the left side and the right side of the upper surface of the connecting cylinder 32 are symmetrically communicated with a second air pipe 33, and the other end of the second air pipe 33 is communicated with a third air cylinder 28; four fourth air cylinders 34 are uniformly communicated with the side surface of the connecting cylinder 32, the four fourth air cylinders 34 are distributed on the surface of the connecting cylinder 32 in a circumferential array, and the fourth air cylinders 34 at the left side and the right side are fixedly connected with the connecting blocks 27 at the left side and the right side respectively; a fourth piston 35 is connected in the fourth inflator 34 in a sealing and sliding manner, and a plurality of second ventilation holes 36 are uniformly formed in the surface of the fourth piston 35; the surface of the fourth piston 35 is fixedly connected with a sliding frame 37, and the sliding frame 37 is in sliding connection with the fourth air cylinder 34; the surface of the fourth piston 35 is fixedly connected with a second spring 38, and the other end of the second spring 38 is fixedly connected with a fourth inflator 34; when the third piston 29 moves downwards in operation, the air discharged from the third air cylinder 28 enters the connecting cylinder 32 through the second air pipe 33 and finally uniformly diffuses into the four fourth air cylinders 34 through the connecting cylinder 32; with the increase of air in the fourth air cylinder 34, the air in the second air vent 36 has a limited displacement, the air pushes the fourth piston 35 to slide in the fourth air cylinder 34, and the piston drives the sliding frame 37 to start moving.
As a further scheme of the invention, a wire box 39 is arranged at the bottom of the fourth air cylinder 34, the wire box 39 is fixedly connected with the sliding frame 37, a winding wheel 40 is rotatably connected inside the wire box 39, and a pull rope 41 is fixedly connected to the surface of the winding wheel 40; the surface of the wire box 39 is rotationally connected with two guide wheels 42 at a position close to one side of the steel wire 5, the stay wire 41 is positioned between the two guide wheels 42, and the stay wire 41 is simultaneously attached to the two guide wheels 42 and the surface of the steel wire 5; the bottom end of the pull rope 41 is fixedly connected with the hook 6, and the bottom part of the pull rope 41 is attached to the steel cable 5; the surface of the wire box 39 is fixedly connected with a spiral spring 43, and the other end of the spiral spring 43 is fixedly connected with the winding wheel 40; when the piston drives the sliding frame 37 to slide on the surface of the fourth air cylinder 34, the sliding frame 37 drives the wire box 39 connected with the sliding frame to move to a position far away from the steel wire 5, and the pull rope 41 is continuously discharged from the wire box 39 along with the movement of the wire box 39; when the fourth piston 35 moves to the limit position in the fourth air cylinder 34, the pull rope 41 is completely released and is not wound on the surface of the winding wheel 40 any more, the wire box 39 generates a pulling force on the hook 6 through the pull rope 41, the hook 6 is subjected to four-direction pulling forces under the action of the four pull ropes 41, the resultant force of the four-direction pulling forces is exactly equal to the gravity of the hook 6, at the moment, the air is continuously injected into the fourth air cylinder 34, the piston is kept motionless in the fourth air cylinder 34, and the hook 6 can be prevented from violent shaking under the action of the four pull ropes 41 when the position of the hook 6 is adjusted along with the sliding of the sliding block 3; when the hook 6 is adjusted to a proper position, the motor 10 is stopped at this time, the air in the fourth air cylinder 34 is slowly discharged through the second air hole 36, then the fourth piston 35 is reset through the sliding frame 37 by the action of the second spring 38 and the line box 39, and at this time, the hook 6 is restored to flexibility.
As a further scheme of the invention, a distance-adjustable lifting beam using method comprises the following specific steps:
step one: when an object is required to be lifted, the beam body 1 is firstly installed, and then the distance between the two hooks 6 is adjusted according to the size of the object to be lifted;
step two: the driving mechanism is started, the bidirectional threaded rod 7 can be driven to rotate through the driving mechanism, and when the bidirectional threaded rod 7 rotates, the two sliding blocks 3 are driven to slide leftwards or rightwards in the sliding groove 2 at the same time;
step three: before the driving mechanism drives the bidirectional threaded rod 7 to rotate, the driving mechanism drives the stabilizing mechanism to operate;
step four: the stabilizing mechanism can prevent the distance between the hooks 6 from shaking when the sliding blocks 3 on the left side and the right side slidingly adjust the distance between the two hooks 6, so that the stability of the hooks 6 is ensured.
Claims (4)
1. The utility model provides a lifting beam with adjustable interval, includes the roof beam body (1), its characterized in that: the novel steel cable lifting device is characterized in that a sliding groove (2) is formed in the surface of the bottom side of the beam body (1), sliding blocks (3) are slidably connected to the left side and the right side in the sliding groove (2), connecting columns (4) are fixedly connected to the bottom ends of the sliding blocks (3), steel cables (5) are fixedly connected to the bottom ends of the connecting columns (4), and hooks (6) are fixedly connected to the bottom ends of the steel cables (5); a bidirectional threaded rod (7) is arranged in the sliding groove (2), the bidirectional threaded rod (7) is fixedly connected with the beam body (1), and the transmission parts at the left side and the right side of the bidirectional threaded rod (7) are respectively in threaded fit with the sliding blocks (3) at the left side and the right side; the surface of the sliding block (3) is provided with a stabilizing mechanism, and the stabilizing mechanism is used for preventing the hook (6) from shaking violently and improving the stability of the hook (6) when the distance between the sliding blocks (3) at the left side and the right side is adjusted; the surface of the beam body (1) is provided with a first driving mechanism, the first driving mechanism is used for driving the bidirectional threaded rod (7) to rotate and adjust the distance between the left sliding block (3) and the right sliding block (3), and the first driving mechanism is driven to operate before driving the bidirectional threaded rod (7) to rotate;
the first driving mechanism comprises two first fixing frames (8) and two U-shaped rods (9); the two first fixing frames (8) and the two U-shaped rods (9) are distributed at the left side and the right side of the beam body (1) and the two first fixing frames (8) are fixedly connected with the beam body (1); the surface of the first fixing frame (8) on the right side is fixedly connected with a motor (10); the left U-shaped rod (9) is rotationally connected with the left first fixing frame (8), and the right U-shaped rod (9) is fixedly connected with the output shaft of the motor (10); a rotating rod (11) is arranged between the U-shaped rods (9) at the left side and the right side, and the rotating rod (11) is coaxially and fixedly connected with the U-shaped rods (9) at the left side and the right side; the rotating rod (11) is rotationally connected with the beam body (1), and the rotating rod (11) is in clearance fit with the sliding block (3); the surface of the first fixing frame (8) is provided with a second driving mechanism, and the second driving mechanism is used for driving the bidirectional threaded rod (7) to rotate after the motor (10) drives the rotating rod (11) to rotate for a certain time;
the stabilizing mechanism comprises two first belt pulleys (24), the two first belt pulleys (24) are distributed at the left side and the right side of the sliding block (3), and the two first belt pulleys (24) are both in rotary connection with the sliding block (3); the surface of the sliding block (3) is positioned at the bottom of the first belt pulley (24), a second belt pulley (25) is connected to the surface of the second belt pulley (25) in a rotating mode, a belt (26) is arranged on the surface of the second belt pulley (25), and the belt (26) is meshed with the first belt pulley (24) and the second belt pulley (25) at the same time; the first belt pulley (24) is in sliding connection with the rotating rod (11); the left side and the right side of the bottom surface of the sliding block (3) are symmetrically and fixedly connected with connecting blocks (27), the surface of each connecting block (27) is fixedly connected with a third air cylinder (28), a third piston (29) is connected inside each third air cylinder (28) in a sealing sliding manner, a second connecting rod (30) is rotationally connected to the upper side surface of each third piston (29), the upper end of each second connecting rod (30) is rotationally connected with the surface of each second belt pulley (25), and the connecting position of each second connecting rod (30) and each second belt pulley (25) is located at the edge position of the surface of each second belt pulley (25); the surface of the third piston (29) and the bottom surface of the third air cylinder (28) are fixedly connected with second one-way valves (31), and the circulation directions of the two second one-way valves (31) are downward;
the surface of the connecting column (4) is fixedly connected with a connecting cylinder (32), the left side and the right side of the upper side surface of the connecting cylinder (32) are symmetrically communicated with a second air pipe (33), and the other end of the second air pipe (33) is communicated with a third air cylinder (28); four fourth air cylinders (34) are uniformly communicated with the side surface of the connecting cylinder (32), the four fourth air cylinders (34) are distributed on the surface of the connecting cylinder (32) in a circumferential array, and the fourth air cylinders (34) at the left side and the right side are fixedly connected with connecting blocks (27) at the left side and the right side respectively; a fourth piston (35) is connected in the fourth inflator (34) in a sealing and sliding manner, and a plurality of second ventilation holes (36) are uniformly formed in the surface of the fourth piston (35); the surface of the fourth piston (35) is fixedly connected with a sliding frame (37), and the sliding frame (37) is in sliding connection with the fourth air cylinder (34); the surface of the fourth piston (35) is fixedly connected with a second spring (38), and the other end of the second spring (38) is fixedly connected with a fourth air cylinder (34);
a wire box (39) is arranged at the bottom of the fourth air cylinder (34), the wire box (39) is fixedly connected with the sliding frame (37), a winding wheel (40) is rotatably connected inside the wire box (39), and a pull rope (41) is fixedly connected to the surface of the winding wheel (40); two guide wheels (42) are rotatably connected to the surface of the wire box (39) close to one side of the steel cable (5), the stay cord (41) is positioned between the two guide wheels (42), and the stay cord (41) is simultaneously attached to the surfaces of the two guide wheels (42) and the steel cable (5); the bottom end of the pull rope (41) is fixedly connected with the hook (6), and the bottom part of the pull rope (41) is attached to the steel cable (5); the surface of the wire box (39) is fixedly connected with a volute spring (43), and the other end of the volute spring (43) is fixedly connected with the winding wheel (40).
2. A spacing-adjustable lifting beam as claimed in claim 1, wherein: the second driving machine comprises a first air cylinder (12), the first air cylinder (12) is fixedly connected with the beam body (1), and the first air cylinder (12) is rotationally connected with the rotating rod (11); the surface of the rotating rod (11) is positioned at the inner side part of the first air cylinder (12) and is slidably connected with a sleeve (13), a first gear (14) is fixedly connected to the surface of the sleeve (13) and a first piston (15) is rotatably connected to the surface of the sleeve (13), the first gear (14) is positioned at the outer side of the first air cylinder (12) and the first piston (15) is positioned at the inner side of the first air cylinder (12), the first piston (15) is in sealing sliding connection with the inner wall of the first air cylinder (12), and a plurality of first ventilation holes (16) are uniformly formed in the surface of the first piston (15); the surface of the first piston (15) is fixedly connected with a first spring (17), and the other end of the first spring (17) is fixedly connected with the first air cylinder (12); the left and right sides of the surface of the beam body (1) are symmetrically and rotationally connected with second gears (18), and the left and right ends of the bidirectional threaded rod (7) are fixedly connected with the second gears (18) on the left and right sides respectively; the distance between the first gears (14) on the left and right sides is smaller than the distance between the second gears (18) on the left and right sides.
3. A spacing-adjustable lifting beam as claimed in claim 2, wherein: the bottom of the U-shaped rod (9) is provided with a second air cylinder (19), the second air cylinder (19) is fixedly connected with the beam body (1), a second piston (20) is hermetically and slidingly connected inside the second air cylinder (19), a first connecting rod (21) is rotationally connected to the upper side surface of the second piston (20), and the upper end of the first connecting rod (21) is rotationally connected with the U-shaped rod (9); a first air pipe (22) is communicated with the bottom surface of the second air cylinder (19), and the other end of the first air pipe (22) is communicated with the first air cylinder (12); the surface of the second piston (20) and the position inside the first air pipe (22) at the joint with the second air cylinder (19) are fixedly connected with first one-way valves (23), and the circulation directions of the two first one-way valves (23) are downward.
4. A method for using a spacing-adjustable lifting beam, which is applicable to the spacing-adjustable lifting beam according to any one of claims 1-3, and is characterized in that: the method comprises the following specific steps:
step one: when an object is required to be lifted, the beam body (1) is firstly installed, and then the distance between the two hooks (6) is adjusted according to the size of the object to be lifted;
step two: the driving mechanism is started, the bidirectional threaded rod (7) can be driven to rotate through the driving mechanism, and when the bidirectional threaded rod (7) rotates, the two sliding blocks (3) are driven to slide leftwards or rightwards in the sliding groove (2) simultaneously;
step three: before the driving mechanism drives the bidirectional threaded rod (7) to rotate, the driving mechanism drives the stabilizing mechanism to operate;
step four: when the distance between the two hooks (6) is slidingly adjusted by the sliding blocks (3) at the left side and the right side of the stabilizing mechanism, the distance between the hooks (6) can be prevented from shaking, and the stability of the hooks (6) is ensured.
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| CN202211558610.4A CN116199094B (en) | 2022-12-06 | 2022-12-06 | Space-adjustable lifting beam and use method thereof |
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| CN202211558610.4A CN116199094B (en) | 2022-12-06 | 2022-12-06 | Space-adjustable lifting beam and use method thereof |
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| CN116199094A CN116199094A (en) | 2023-06-02 |
| CN116199094B true CN116199094B (en) | 2023-10-03 |
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| CA3001919A1 (en) * | 2015-10-13 | 2017-04-20 | Pultrusion Technique Inc. | Techniques for making and using holding straps with hook-and-strap attachment |
| CN209974100U (en) * | 2019-04-30 | 2020-01-21 | 天津鸿宇海洋石油工程有限公司 | Building engineering hoisting structure |
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| CN111591901A (en) * | 2020-06-16 | 2020-08-28 | 姚政 | Double-hook bridge crane |
| CN212953821U (en) * | 2020-08-18 | 2021-04-13 | 泰兴市亚华吊装设备有限公司 | Flat hoist and mount of high strength fiber area balance hanging beam |
| CN113387275A (en) * | 2021-08-17 | 2021-09-14 | 江苏华海钢结构有限公司 | Hoisting device for carrying steel structure |
| CN114852896A (en) * | 2022-03-15 | 2022-08-05 | 中船第九设计研究院工程有限公司 | Hoisting device for slipway operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1033092A1 (en) * | 1982-04-23 | 1983-08-07 | Саратовский Ордена "Знак Почета" Институт Механизации Сельского Хозяйства Им.М.И.Калинина | Apparatus for levelling fodder |
| CA3001919A1 (en) * | 2015-10-13 | 2017-04-20 | Pultrusion Technique Inc. | Techniques for making and using holding straps with hook-and-strap attachment |
| CN209974100U (en) * | 2019-04-30 | 2020-01-21 | 天津鸿宇海洋石油工程有限公司 | Building engineering hoisting structure |
| CN111252674A (en) * | 2020-02-17 | 2020-06-09 | 苏州本末智能科技有限公司 | Hoisting device in automobile assembling |
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| CN113387275A (en) * | 2021-08-17 | 2021-09-14 | 江苏华海钢结构有限公司 | Hoisting device for carrying steel structure |
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| CN116199094A (en) | 2023-06-02 |
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