CN117125590A - Hoisting machine for transporting highway subgrade construction precast blocks and transporting method thereof - Google Patents
Hoisting machine for transporting highway subgrade construction precast blocks and transporting method thereof Download PDFInfo
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- CN117125590A CN117125590A CN202311376668.1A CN202311376668A CN117125590A CN 117125590 A CN117125590 A CN 117125590A CN 202311376668 A CN202311376668 A CN 202311376668A CN 117125590 A CN117125590 A CN 117125590A
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- 230000008569 process Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 28
- 230000009467 reduction Effects 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 15
- 230000000670 limiting effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
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- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- 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
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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
- B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical
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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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
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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
- B66C13/16—Applications of indicating, registering, or weighing devices
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a hoisting machine for carrying highway subgrade construction precast blocks and a carrying method thereof, and relates to the related field of road construction equipment, the hoisting machine comprises a hoisting machine, a lifting hook structure is arranged at the bottom of a hoisting arm of the hoisting machine, a hoisting assembly is fixedly arranged at the bottom of the lifting hook structure, a horizontal detection assembly is used for providing detection for the shaking direction generated in the hoisting process of the hoisting machine, and a leveling assembly is controlled by the detection data to provide buffer thrust in the opposite direction for a hoisting platform and the precast blocks, so that the shaking degree caused by hoisting displacement and wind force is reduced, and the influence on the hoisting procedure is also reduced to the greatest extent; the small-displacement high-precision retarded adjustment is provided for the precast block through the precise control assembly, and meanwhile, the detection effect is provided for the displacement amount regulated by the follow-up hoisting through the detection piece in the light detection cylinder.
Description
Technical Field
The invention relates to the related field of road construction equipment, in particular to a hoisting machine for transporting precast blocks for highway subgrade construction and a transporting method thereof.
Background
The roadbed is a foundation of a track or a road surface and is a geotechnical structure formed by excavation or filling; the roadbed has the main functions of providing necessary conditions for track or road pavement paving and train or driving operation, bearing static load and dynamic load of track and rolling stock or road surface and traffic load, and simultaneously transmitting and diffusing the load to the deep part of the foundation; in the paving process of the highway subgrade, the subgrade blocks are usually required to be hoisted to the installation station by hoisting equipment such as a hoisting machine.
The existing hoisting machine for highway bridge construction is difficult to install the heavy objects at stable and rapid conveying positions, and particularly the heavy objects are easy to shake in hoisting, so that great inconvenience is brought to the heavy object installation; the existing roadbed construction lacks components for ensuring the error range, most of the components are manually measured by constructors, so that adjacent road surfaces are easy to crush and crush under the condition of large error, and the phenomenon of road surface collapse is seriously caused.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned drawbacks, the present invention provides a hoisting machine for transporting precast blocks for highway subgrade construction and a transporting method thereof.
The invention is realized in such a way, a hoisting machine for carrying precast blocks for highway subgrade construction and a carrying method thereof are constructed, the device comprises a crane, a lifting hook structure is arranged at the bottom of a lifting arm of the crane, and a lifting assembly is fixedly arranged at the bottom of the lifting hook structure;
the hoisting assembly comprises a hoisting frame fixedly arranged at the bottom of a lifting hook of the lifting hook structure; a welding ring at the bottom of the hoisting frame is sleeved and fixed with a hoisting rope; the hoisting ropes are bound and fixed at the hoisting rings around the top of the hoisting platform; the front side and the rear side of the top of the hoisting platform are both provided with precise control components through bolts; the middle side of the hoisting frame connecting frame is fixedly welded with a leveling component; the left side of the top of the hoisting platform is fixedly provided with a horizontal detection assembly for detecting an offset value.
Preferably, the precise control assembly comprises a reduction gearbox which is mounted on the front side of the top of the hoisting platform through bolts; a servo motor for accurate driving is mounted at the front end bolt of the reduction gear box; the gear set plug-in shaft inside the reduction gear box is connected with the circle center of the winding drum Kong Jian; a light detection cylinder for displacement detection is mounted at the middle side through hole of the top of the hoisting platform through bolts; an isolation box at the rear side of the top of the hoisting platform; a locking gear is arranged in the isolation box in a transmission way; the shaft body at the rear end of the locking gear is fixedly inserted into the center hole of the electromagnetic clutch; the bottom of the electromagnetic clutch is fixedly connected with the current controller switch through a cable.
Preferably, four groups of reduction gears, a winding drum and a locking gear are respectively arranged in the reduction gear box and the isolation box and at the middle side, and the winding drum is fixedly connected with the front end shaft body of the locking gear.
Preferably, a limit cylinder is mounted at a bolt at a middle side through hole at the top of the hoisting platform; a light sensing electric plate for sensing is mounted at the rear end groove body of the through hole in the limiting cylinder through bolts; a sliding cylinder is arranged in the through hole in the limiting cylinder in a sliding manner; a locking screw rod is fixed at a screw hole at the middle side of the sliding cylinder in a threaded manner; the upper side and the lower side of the rear end of the sliding cylinder are provided with miniature direct-fired lamps through bolts.
Preferably, a square through hole is formed in the sliding cylinder, and an oil absorption cotton layer for lubrication is arranged on the inner wall of the through hole; the inside of the sliding cylinder is fixedly arranged with a lock chain which is arranged by the winch of the winch cylinder through a locking screw.
Preferably, the leveling component comprises a magnetic isolation cylinder welded and fixed on the middle side of the connecting frame; the clamping sphere is rotatably arranged at the bottom of the magnetism isolating cylinder; the inner part of the magnetism isolating cylinder is fixedly clamped with a rolling ball body; the modularized electromagnetic ring is mounted on the bolt on the inner top side of the magnetism isolating cylinder; a hanging ring is fixedly welded at the bottom of the rolling sphere; the inner annular wall of the hanging ring is sleeved and fixed with a compact chain; and a counterweight ball for counterweight is welded and fixed at the bottom of the compact chain.
Preferably, the horizontal detection assembly comprises a rubber layer for shock prevention arranged on the left side of the top of the hoisting platform; the rubber layer is adhered and arranged on the sealing chassis; and a sealing top disc for sealing is arranged on the top bolt of the sealing bottom disc.
Preferably, the seal bottom disc and the seal top disc are internally and fixedly provided with refined partition fans; the pressure sensor for detecting is fixedly inserted into the opening of the outer ring side of the fine separation fan.
Preferably, a circular groove is surrounded at the center of the refined separation fan at the inner bottom of the sealing chassis, and mercury liquid is arranged at the groove; the servo motor, the current controller, the modularized electromagnetic ring, the light sensing electric plate and the pressure sensor are all connected with a control panel cable of the crane.
Preferably, the method for carrying the hoisting machine for carrying the precast block for highway subgrade construction is characterized in that: the method comprises the following steps:
step one: installing a hoisting piece; firstly, a worker installs and fixes a hoisting assembly below a lifting hook of a lifting hook structure, then drives the lifting hook structure and the hoisting assembly to move to a precast block through a crane, passes a hoisting chain rolled up outside a hoisting cylinder through a light detection cylinder in a precision control assembly, fixes the hoisting chain inside a sliding cylinder through a locking screw, protects the hoisting chain through an oil absorption cotton layer arranged inside the sliding cylinder, and then fixedly installs the hoisting chain and the precast block through other tools such as hoisting nails;
step two: hoisting displacement; then the lifting hook structure, the lifting assembly and the precast block are lifted and moved to the road subgrade installation position through the crane, the precast block is lifted to a proper height above the subgrade installation position through the lifting arm and the lifting hook structure of the crane, and the lifting assembly and the precast block shake due to gravity center deviation when the precast block is lifted and rotated;
step three: aligning and preventing shaking; the mercury liquid on the middle side in the sealed bottom disc and the sealed top disc is rocked to flow to the fine partition fan slot on the centrifugal side, and the pressure sensor is impacted to change the numerical value of part of the pressure sensor, and the rocked direction of the precast block is judged according to the compression numerical values of a plurality of groups of pressure sensors; because the counterweight ball can shake along with the hoisting process of the hoisting machine, a control panel in the hoisting machine provides pulse electric energy for the modularized electromagnetic ring by obtaining a shaking numerical value, an electromagnetic block in the modularized electromagnetic ring generates a magnetic field to push a straight rod at the top of the rolling ball body to roll, the rolling ball body intermittently pushes and drives a compact chain and the counterweight ball to swing towards the opposite shaking direction of the precast block, the compact chain is utilized to enable the counterweight ball to easily straighten and provide intermittent buffer action for shaking of the counterweight ball, and therefore the shaking amplitude and the shaking time of a hoisting platform and the precast block are reduced through the shaking prevention procedure of the counterweight ball;
step four: accurately hoisting; then the crane lifts the precast block to the small distance height of the installation station, the control panel in the crane is used for controlling the servo motor to drive the reduction gear box to carry out reduction transmission, the electromagnetic clutch is synchronously controlled to stop locking action on the precast block, thereby the precast block is driven by the hoisting block to carry out small distance displacement under the transmission action of the reduction gear box, the chain at the bottom side of the hoisting block synchronously drives the sliding block to slide in the limiting cylinder, the miniature direct light on the side surface of the sliding block is controlled to send out light and the light sensing plate to carry out light sensing action, the displacement of the precast block regulation can be obtained by utilizing the high precision of light sensing, and the height error of the precast block after installation can be judged by utilizing the displacement value, so that the service life of the highway is influenced by the height error of the roadbed is reduced.
The invention has the following advantages: the invention provides a hoisting machine for transporting precast blocks for highway subgrade construction and a transporting method thereof through improvement, and compared with the same type of equipment, the hoisting machine has the following improvement:
according to the hoisting machine for carrying the highway subgrade construction precast block and the carrying method thereof, the horizontal detection component is used for providing detection for the shaking direction generated in the hoisting process of the hoisting machine, and the leveling component is controlled by the detection data to provide buffer thrust in the opposite direction for the hoisting platform and the precast block, so that the shaking degree generated by hoisting displacement and wind force is reduced, and the influence on the hoisting process is reduced to the greatest extent; the small-displacement high-precision retarded adjustment is provided for the precast block through the precise control assembly, and meanwhile, the detection effect is provided for the displacement amount regulated by the follow-up hoisting through the detection piece in the light detection cylinder.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic left-hand structural view of the hoist assembly of the present invention;
FIG. 3 is a schematic diagram of a left-hand perspective exploded view of the fine control assembly of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of a light detection cartridge of the present invention in cross-sectional bottom view;
FIG. 6 is a schematic bottom view of the leveling assembly of the present invention;
FIG. 7 is a schematic view of a perspective exploded view of the level sensing assembly of the present invention;
fig. 8 is a flow chart of the present invention.
Wherein: crane-1, lifting hook structure-2, lifting component-3, lifting frame-31, lifting rope-32, lifting platform-33, fine control component-34, leveling component-35, horizontal detection component-36, reduction gear box-341, servo motor-342, lifting cylinder-343, light detection cylinder-344, isolation box-345, locking gear-346, electromagnetic clutch-347, current controller-348, limit cylinder-3441, and control device the light sensing device comprises a light sensing plate-3442, a sliding cylinder-3443, a locking screw-3444, a miniature direct-injection lamp-3445, a magnetism isolating cylinder-351, a clamping sphere-352, a rolling sphere-353, a modularized electromagnetic ring-354, a lifting ring-355, a compact chain-356, a counterweight sphere-357, a rubber layer-361, a sealing bottom plate-362, a sealing top plate-363, a refined partition fan-364 and a pressure sensor-365.
Detailed Description
The principles and features of the present invention are described below with reference to fig. 1-8, which are examples for illustration only and are not intended to limit the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Embodiment one:
referring to fig. 1-8, the hoisting machine for transporting precast blocks for highway subgrade construction and the transporting method thereof disclosed by the invention comprise a hoisting machine 1, wherein a hoisting hook structure 2 is arranged at the bottom of a hoisting arm of the hoisting machine 1, and a hoisting assembly 3 is fixedly arranged at the bottom of the hoisting hook structure 2.
The hoisting assembly 3 comprises a hoisting frame 31 fixedly arranged at the bottom of the lifting hook structure 2; a welding ring at the bottom of the hoisting frame 31 is sleeved and fixed with a hoisting rope 32; hoisting ropes 32 are tied and fixed at hoisting rings around the top of the hoisting platform 33, and the hoisting ropes 32 provide tension for the hoisting platform 33; the front and rear sides of the top of the hoisting platform 33 are provided with a precise control assembly 34 through bolts; the middle side of the connecting frame of the hoisting frame 31 is fixedly welded with a leveling component 35; the left side at the top of the hoisting platform 33 is fixedly provided with a horizontal detection component 36 for detecting offset values, and the fine control component 34, the leveling component 35 and the horizontal detection component 36 are all connected with a control panel cable of the crane 1.
The fine control assembly 34 comprises a reduction gearbox 341 which is mounted on the front side of the top of the hoisting platform 33 through bolts; a servo motor 342 for accurate driving is mounted at the front end bolt of the reduction gear box 341, and driving force is provided for the reduction gear box 341 through the servo motor 342; the plug-in shaft of the gear set in the reduction gearbox 341 is connected with the circle center Kong Jian of the winding drum 343, and the reduction gearbox 341 provides retarded winding driving force for the winding drum 343; a light detection cylinder 344 for displacement detection is mounted at a middle side through hole at the top of the hoisting platform 33 through bolts; an isolation box 345 at the rear side of the top of the hoisting platform 33, wherein the isolation box 345 is used for isolating electromagnetism and current; a locking gear 346 is arranged in the isolation box 345 in a transmission way; the shaft body at the rear end of the locking gear 346 is inserted and fixed at the center hole of the electromagnetic clutch 347, and the electromagnetic clutch 347 provides locking effects for the locking gear 346 and the winding drum 343 respectively; the bottom of the electromagnetic clutch 347 is fixedly connected with a switch of a current controller 348 through a cable, and the current controller 348 provides single-control power supply for the electromagnetic clutch 347.
Four sets of reduction gears, a winding drum 343 and a locking gear 346 are respectively arranged in and at the middle sides of the reduction gear box 341 and the isolation box 345, and the winding drum 343 is fixedly connected with the front end shaft body of the locking gear 346.
A limiting cylinder 3441 is mounted at a middle side through hole at the top of the hoisting platform 33 through bolts; the light-sensitive electric plate 3442 for sensing is mounted at the rear end groove body of the through hole in the limiting cylinder 3441 by bolts, and the limiting cylinder 3441 provides a mounting limiting effect for the light-sensitive electric plate 3442; the through hole in the limiting cylinder 3441 is provided with a sliding cylinder 3443 in a sliding manner, and the limiting cylinder 3441 provides a sliding limiting effect for the sliding cylinder 3443; a locking screw 3444 is fixed at a side screw hole in the sliding cylinder 3443 in a threaded manner; the upper and lower sides of the rear end of the slide cylinder 3443 are provided with micro-direct lamps 3445 by bolts.
A square through hole is formed in the sliding cylinder 3443, an oil-absorbing cotton layer for lubrication is arranged on the inner wall of the through hole, and the oil-absorbing cotton layer can provide lubrication and protection effects for a hoisting chain at the bottom side of the hoisting cylinder, so that friction is reduced; the inside of the sliding cylinder 3443 is fixedly installed with a lock chain which is arranged in a winding way with the winding cylinder 343 through a locking screw 3444.
The horizontal detection assembly 36 comprises a rubber layer 361 which is arranged on the left side of the top of the hoisting platform 33 and used for shock prevention; the rubber layer 361 is adhesively arranged on the sealing chassis 362; a sealing top tray 363 for sealing is arranged on the top bolt of the sealing bottom tray 362, and a sealing space is formed by the sealing bottom tray 362 and the sealing top tray 363; a fine partition fan 364 is fixedly arranged in the sealing bottom plate 362 and the sealing top plate 363; a pressure sensor 365 for detecting is fixedly inserted into the opening of the outer ring side of the fine division fan 364, and the pressure sensor 365 provides pressure detection for liquid at the fine groove of the fine division fan 364; a circular groove is surrounded at the center of the refined partition fan 364 at the inner bottom of the sealing chassis 362, and mercury liquid is arranged at the groove.
Embodiment two:
referring to fig. 1 to 8, in the hoisting machine for transporting prefabricated blocks for highway subgrade construction and the transporting method thereof according to the present invention, compared with the first embodiment, the present embodiment further includes: a leveling assembly 35; the leveling assembly 35 comprises a magnet isolation cylinder 351 welded and fixed on the middle side of the connecting frame, and the magnet isolation cylinder 351 is used for isolating electromagnetism and current generated by the modularized electromagnetic ring 354; the inner bottom of the magnetism isolating cylinder 351 is rotatably provided with a clamping sphere 352; the inner part of the magnetism isolating cylinder 351 is fixedly clamped with a rolling sphere 353, so as to provide a limit effect for the rolling of the rolling sphere 353; a modularized electromagnetic ring 354 is mounted on the bolt on the inner top side of the magnetism isolating cylinder 351, and the modularized electromagnetic ring 354 provides pushing force for the rolling ball 353; a hanging ring 355 is welded and fixed at the bottom of the rolling sphere 353; the inner annular wall of the hanging ring 355 is sleeved and fixed with a compact chain 356, and the compact chain 356 can reduce the rotation angle between the chains and transfer the offset force to the maximum extent; a weight ball 357 for weight is welded and fixed to the bottom of the compact chain 356.
The hoisting machine for carrying the highway subgrade construction precast block and the carrying method thereof based on the working principle are as follows:
firstly, when the equipment is used, the equipment is firstly placed in a working area, and then the device is connected with an external power supply, so that a power supply required by the work of the equipment can be provided;
secondly, firstly, a worker installs and fixes the hoisting assembly 3 below the lifting hook of the lifting hook structure 2, then drives the lifting hook structure 2 and the hoisting assembly 3 to move to a precast block through the crane 1, and enables a hoisting chain rolled up outside the hoisting drum 343 to pass through the light detection drum 344 in the fine control assembly 34, and fixes the hoisting chain inside the sliding drum 3443 by utilizing the locking screw 3444, wherein an oil absorption cotton layer arranged inside the sliding drum 3443 can be utilized to protect the hoisting chain, and then other hoisting nails and other tools are utilized to fixedly install the hoisting chain and the precast block;
thirdly, the lifting hook structure 2, the lifting assembly 3 and the precast block are lifted and displaced to the highway subgrade installation position through the lifting crane 1, the precast block is lifted to a proper height above the subgrade installation position through the lifting arm of the lifting crane 1 and the lifting hook structure 2, the lifting assembly 3 and the precast block shake due to gravity center deviation during lifting and rotation, mercury liquid on the middle side inside the sealing bottom plate 362 and the sealing top plate 363 is subjected to shaking and flows to a fine division fan 364 fine groove on the centrifugal side, the pressure sensor 365 is impacted to change the numerical value of a part of the pressure sensor 365, and the shaking direction of the precast block is judged through the pressed numerical values of a plurality of groups of pressure sensors 365; because the counterweight ball 357 can shake along with the hoisting process of the crane 1, the control panel in the crane 1 provides pulse electric energy for the modularized electromagnetic ring 354 by obtaining a shaking value, the electromagnetic block in the modularized electromagnetic ring 354 generates a magnetic field to push the straight rod at the top of the rolling sphere 353 so as to roll, the rolling sphere 353 can intermittently push and drive the compact chain 356 and the counterweight ball 357 to swing towards the opposite shaking direction of the precast block, the compact chain 356 is utilized to make the counterweight ball 357 more easy to straighten so as to provide intermittent buffer action for shaking of the counterweight ball 357, and thus the shaking amplitude and shaking time of the hoisting platform 33 and the precast block are reduced through the shaking prevention procedure of the counterweight ball 357;
fourth, then the crane 1 lifts the prefabricated block to the small distance height of the installation station, here utilize the control panel control servo motor 342 in the crane 1 to drive the reduction gearbox 341 to carry out the speed reduction transmission, synchronous control electromagnetic clutch 347 stops the locking action to hoist drum 343, thereby make hoist drum 343 drive the prefabricated block to carry out the displacement of small distance under the transmission action of reduction gearbox 341, here the chain of hoist drum 343 bottom side synchronous drive slide drum 3443 is in spacing section of thick bamboo 3441 inside, here control the miniature straight shot-light 3445 of slide drum 3443 side sends light and light sensing action is carried out to light sensing's high accuracy can obtain hoist drum 343 and drive the displacement volume that the prefabricated block was adjusted, and utilize this displacement volume numerical value to judge the high error volume after the prefabricated block was installed, thereby reduce the life of influence highway because of high error of road bed.
The invention provides a hoisting machine for carrying highway subgrade construction precast blocks and a carrying method thereof by improvement, wherein a horizontal detection component 36 is used for providing detection for the shaking direction generated in the hoisting process of a crane 1, and a detection data control leveling component 35 is used for providing buffer thrust in the opposite direction for a hoisting platform 33 and precast blocks, so that the shaking degree caused by hoisting displacement and wind force is reduced, and the influence on a hoisting process is also reduced to the greatest extent; the small-displacement high-precision retarded adjustment is provided for the precast block through the precise control assembly 34, and meanwhile, the detection effect is provided for the displacement amount regulated by subsequent hoisting through the detection piece in the light detection barrel 344.
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The hoisting machine for carrying the highway subgrade construction precast block comprises a hoisting machine (1), wherein a lifting hook structure (2) is arranged at the bottom of a hoisting arm of the hoisting machine (1), and a hoisting assembly (3) is fixedly arranged at the bottom of the lifting hook structure (2);
the method is characterized in that: the hoisting assembly (3) comprises a hoisting frame (31) fixedly arranged at the bottom of the lifting hook structure (2); a welding ring at the bottom of the hoisting frame (31) is sleeved and fixed with a hoisting rope (32); the hoisting ropes (32) are bound and fixed at the hoisting rings around the top of the hoisting platform (33); the front side and the rear side of the top of the hoisting platform (33) are provided with precise control assemblies (34) through bolts; a leveling component (35) is fixedly welded on the middle side of the connecting frame of the hoisting frame (31); the left side of the top of the hoisting platform (33) is fixedly provided with a horizontal detection assembly (36) for detecting offset values.
2. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 1, characterized in that: the precise control assembly (34) comprises a reduction gear box (341) which is mounted on the front side of the top of the hoisting platform (33) through bolts; a servo motor (342) for accurate driving is mounted at the front end bolt of the reduction gear box (341); the plug-in shaft of the gear set in the reduction gear box (341) is connected with the circle center of the winding drum (343) at Kong Jian; a light detection cylinder (344) for displacement detection is mounted at a bolt at a middle side through hole at the top of the hoisting platform (33); an isolation box (345) at the rear side of the top of the hoisting platform (33); a locking gear (346) is arranged in the isolation box (345) in a transmission way; the rear end shaft body of the locking gear (346) is inserted and fixed at the center hole of the electromagnetic clutch (347); the bottom of the electromagnetic clutch (347) is fixedly connected with a switch of the current controller (348) through a cable.
3. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 2, characterized in that: four groups of reduction gears, a winding drum (343) and a locking gear (346) are arranged in the reduction gear box (341) and the isolation box (345), and the winding drum (343) is fixedly connected with the front end shaft body of the locking gear (346).
4. A hoisting machine for transporting highway subgrade construction precast blocks according to claim 3, characterized in that: a limit cylinder (3441) is mounted at a middle side through hole at the top of the hoisting platform (33) through bolts; a light-sensing electric plate (3442) for sensing is mounted at the rear end groove body of the through hole in the limiting cylinder (3441) through bolts; a sliding cylinder (3443) is arranged in the through hole in the limiting cylinder (3441) in a sliding manner; a locking screw rod (3444) is fixed at a side screw hole in the sliding cylinder (3443) in a threaded manner; the upper side and the lower side of the rear end of the sliding cylinder (3443) are provided with miniature direct-fired lamps (3445) through bolts.
5. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 4, which is characterized in that: a square through hole is formed in the sliding cylinder (3443), and an oil absorption cotton layer for lubrication is arranged on the inner wall of the through hole; the inside of the sliding cylinder (3443) is fixedly installed with a chain which is arranged in a winding way with the winding cylinder (343) through a locking screw (3444).
6. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 5, which is characterized in that: the leveling component (35) comprises a magnetic isolation cylinder (351) welded and fixed on the middle side of the connecting frame; a clamping sphere (352) is rotatably arranged at the inner bottom of the magnetism isolating cylinder (351); a rolling sphere (353) is clamped and fixed inside the magnetism isolating cylinder (351); a modularized electromagnetic ring (354) is mounted on the bolt on the inner top side of the magnetism isolating cylinder (351); a hanging ring (355) is fixedly welded at the bottom of the rolling sphere (353); the inner annular wall of the hanging ring (355) is sleeved and fixed with a compact chain (356); and a counterweight ball (357) for counterweight is welded and fixed at the bottom of the compact chain (356).
7. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 6, characterized in that: the horizontal detection assembly (36) comprises a lifting platform (33), and a rubber layer (361) for shock prevention is arranged on the left side of the top of the lifting platform; the rubber layer (361) is adhered and arranged on the sealing chassis (362); a sealing top disk (363) for sealing is mounted on the top bolt of the sealing bottom disk (362).
8. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 7, characterized in that: a refined partition fan (364) is fixedly arranged in the sealing bottom disc (362) and the sealing top disc (363); the pressure sensor (365) for detecting is fixedly connected to the opening of the outer ring side of the fine partition fan (364) in a plugging mode.
9. The hoisting machine for carrying highway subgrade construction precast blocks according to claim 8, characterized in that: a round groove is surrounded at the center of a refined partition fan (364) at the inner bottom of the sealing chassis (362), and mercury liquid is arranged at the groove; the servo motor (342), the current controller (348), the modularized electromagnetic ring (354), the light-sensing electric plate (3442) and the pressure sensor (365) are all connected with a control panel cable of the crane (1).
10. The method for carrying the hoisting machine for carrying highway subgrade construction precast blocks according to claim 9, which is characterized in that: the method comprises the following steps:
step one: installing a hoisting piece; firstly, a worker installs and fixes a hoisting assembly (3) below a lifting hook of a lifting hook structure (2), then drives the lifting hook structure (2) and the hoisting assembly (3) to move to a precast block through a crane (1), passes a hoisting chain rolled up outside a hoisting cylinder (343) through a light detection cylinder (344) in a precision control assembly (34), fixes the hoisting chain inside a sliding cylinder (3443) by using a locking screw (3444), protects the hoisting chain by using an oil absorption cotton layer arranged inside the sliding cylinder (3443), and then fixedly installs the hoisting chain and the precast block by using other hoisting nail tools;
step two: hoisting displacement; then, the lifting hook structure (2), the lifting assembly (3) and the precast block are lifted and moved to the road subgrade installation position through the lifting machine (1), the precast block is lifted to the position above the road subgrade installation position by utilizing the lifting arm and the lifting hook structure (2) of the lifting machine (1), and the lifting assembly (3) and the precast block shake due to gravity center deviation when the lifting is rotated;
step three: aligning and preventing shaking; the mercury liquid at the middle side in the sealing bottom plate (362) and the sealing top plate (363) is rocked to flow to the slot of the fine partition fan (364) at the centrifugal side, and the pressure sensor (365) is impacted to change the numerical value of part of the pressure sensor (365), and the rocked direction of the precast block is judged through the pressed numerical values of the plurality of groups of pressure sensors (365); because the counterweight ball (357) can shake along with the hoisting process of the hoisting machine (1), a control panel in the hoisting machine (1) provides pulse electric energy for the modularized electromagnetic ring (354) by obtaining a shaking value, an electromagnetic block in the modularized electromagnetic ring (354) generates a magnetic field to push a straight rod at the top of the rolling ball (353) to roll, the rolling ball (353) intermittently pushes and drives the compact chain (356) and the counterweight ball (357) to swing towards the opposite direction of shaking of the precast block, and the compact chain (356) is utilized to enable the counterweight ball to be easier to straighten and provide intermittent buffer action for the shaking of the counterweight ball (357), so that the shaking amplitude and the shaking time of the hoisting platform (33) and the precast block are reduced through the shaking prevention procedure of the counterweight ball (357);
step four: accurately hoisting; then the crane (1) lifts the precast block to the small distance height of the installation station, a control panel in the crane (1) is used for controlling a servo motor (342) to drive a reduction gearbox (341) to carry out speed reduction transmission, an electromagnetic clutch (347) is synchronously controlled to stop locking action on a hoisting drum (343), so that the hoisting drum (343) drives the precast block to carry out displacement of a small distance under the transmission action of the reduction gearbox (341), a chain at the bottom side of the hoisting drum (343) synchronously drives a sliding drum (3443) to slide in a limiting drum (3441), a micro direct-injection lamp (3445) at the side of the sliding drum (3443) is controlled to send out light and a light sensing action, the displacement amount of the precast block adjustment can be obtained by utilizing the high precision of light sensing, and the height error amount of the precast block after installation can be judged by utilizing the displacement amount value, so that the service life of a highway is reduced due to roadbed height error.
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| CN117125590B (en) | 2023-12-22 |
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