CN115520780B - Lifting device for split type bridge - Google Patents
Lifting device for split type bridge Download PDFInfo
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- CN115520780B CN115520780B CN202211497881.3A CN202211497881A CN115520780B CN 115520780 B CN115520780 B CN 115520780B CN 202211497881 A CN202211497881 A CN 202211497881A CN 115520780 B CN115520780 B CN 115520780B
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- tensioning
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000009795 derivation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting device for split type bridging, which relates to the technical field of hoisting devices and comprises a hoisting support, a sliding trolley, a hoisting steel cable and a hoisting frame, wherein the outer walls of two sides of the sliding trolley are fixedly connected with L-shaped tensioning seats, the outer walls of two sides of the L-shaped tensioning seats are fixedly connected with second U-shaped seats, a tensioning mechanism, a speed reducing part and a pressing assembly. According to the invention, through the matching of the parts such as the tensioning mechanism and the tensioning steel rope, the output end of the hydraulic cylinder drives the U-shaped connecting rod to drive the inclined plate to contract, so that the first guide wheel is deduced to drive the inclined guide block to move towards the direction of the tensioning steel rope through the first guide seat and the rectangular guide rod, the two groups of tensioning wheels are abutted against the outer wall of the tensioning steel rope to clamp the tensioning steel rope, the force required by the tensioning steel rope is increased, the tensioning steel rope is tensioned, the tension is generated on the lifting frame, the lifting frame is prevented from being inclined forwards due to the inertia of an object when the lifting frame is suddenly stopped, and the lifting safety is improved.
Description
Technical Field
The invention relates to the technical field of hoisting devices, in particular to a hoisting device for split type bridging.
Background
Gantry cranes are a variant of bridge cranes and are also called gantry cranes. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, is widely used in port goods yards, and is often required to be used in the process of split-type bridging.
Current gantry crane is at the during operation, when driving the hoist and mount object through little framework and carry out the horizontal direction and remove, when little framework stops suddenly, the hoist and mount object can incline forward under the inertia effect, causes by hoist and mount object easy and other equipment or object bump at the hoist and mount in-process, leads to whole hoist and mount process unsafe, for this reason we provide a hoisting apparatus that split type built a bridge and use for solve above-mentioned problem.
Disclosure of Invention
The invention aims to: in order to solve the problem that a hoisted object can incline forwards under the action of inertia when the trolley frame stops suddenly, the hoisting device for the split type bridge is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a hoisting device for split type bridge erection comprises a hoisting support, wherein a sliding trolley is arranged at the top end of the hoisting support, a hoisting cable is arranged at the bottom end of the sliding trolley, a hoisting frame is fixedly connected to the bottom end of the hoisting cable, L-shaped tensioning seats are fixedly connected to the outer walls of the two sides of the sliding trolley, second U-shaped seats are fixedly connected to the outer walls of the two sides of the L-shaped tensioning seats, a driving motor is fixedly connected to the outer wall of one side of each second U-shaped seat, the output end of the driving motor is connected with a rotating roller, one end of the rotating roller penetrates through the inner side of each second U-shaped seat, the rotating roller is rotatably connected with the second U-shaped seats, a tensioning steel rope is wound on the outer wall of the rotating roller, and four tensioning connecting seats are fixedly connected to the top end of the hoisting frame, the outer wall fixedly connected with fixed cable wire of taut connecting seat, just fixed cable wire with taut cable wire fixed connection, the first U-shaped seat of the both sides outer wall fixedly connected with of the taut seat of L shape, two the inboard of first U-shaped seat is provided with straining device, the inboard of the taut seat of L shape is provided with the overlap-joint wheel, the both sides outer wall fixedly connected with second pivot of overlap-joint wheel, the one end of second pivot run through to the outside of the taut seat of L shape, the second pivot with the taut seat of L shape rotates to be connected, taut steel cable laminating is in the outer wall of overlap-joint wheel, the outer wall of second pivot be provided with straining device mutually supporting's speed reduction member, the inboard of the taut seat of L shape is located the top of overlap-joint wheel is provided with compresses tightly the subassembly.
As a still further scheme of the invention: the tensioning mechanism comprises an inclined guide block which is slidably connected to the inner side of the first U-shaped seat, a tensioning spring is fixedly connected to the outer wall of one side of the inclined guide block, one end of the tensioning spring is fixedly connected with the first U-shaped seat, a tensioning block is fixedly connected to the outer wall of one side of the inclined guide block, a plurality of tensioning wheels are rotatably connected to the inner side of the tensioning block, and a pushing guide piece is arranged on the outer wall of one side of the L-shaped tensioning seat and the outer wall of the inclined guide block.
As a still further scheme of the invention: the derivation piece includes fixed connection and is in the anti-deviation seat of second U-shaped seat one side outer wall, the inboard sliding connection who prevents the deviation seat has T shape guide block, one side outer wall fixedly connected with swash plate of T shape guide block, fixed connection be in the pneumatic cylinder of the taut seat one side outer wall of L shape, the output of pneumatic cylinder is connected with the U-shaped connecting rod, the U-shaped connecting rod with swash plate fixed connection, the outer wall fixedly connected with rectangle guide arm of guide block to one side, the one end of rectangle guide arm run through to the first guide seat of the outside fixedly connected with of first U-shaped seat, the inboard of first guide seat is rotated and is connected with first leading wheel, just first leading wheel laminating is in the outer wall of swash plate, the inboard of first U-shaped seat with the upper and lower both ends of guide block to one side are provided with the accurate subassembly of leading.
As a still further scheme of the invention: the precise guide assembly comprises guide posts fixedly connected to the upper end and the lower end of the inclined guide block, the upper end and the lower end of the first U-shaped seat are provided with limited guide grooves, the outer walls of the two sides of each guide post are fixedly connected with fixed guide shafts, one ends of the fixed guide shafts extend to the inside of the limited guide grooves, the outer walls of the fixed guide shafts are fixedly connected with fixed guide wheels, and the fixed guide wheels are installed inside the limited guide grooves.
As a still further scheme of the invention: the speed reduction piece includes fixed connection and is in the trace of oblique guide block one end, the one end fixedly connected with speed reduction shell of trace, the one end of speed reduction shell is rotated and is connected with the ball, a plurality of seat of slowing down of outer wall fixedly connected with of second pivot, it is a plurality of the inboard of seat of slowing down all rotates and is connected with the piece of supporting of slowing down, slow down to the both sides outer wall fixedly connected with third pivot of piece, the one end of third pivot run through extremely the inside of seat of slowing down, the third pivot with the seat of slowing down rotates and is connected, the torsional spring is installed to the outer wall of third pivot, the one end of torsional spring is installed the inside of seat of slowing down.
As a still further scheme of the invention: the compressing assembly comprises a compressing wheel arranged inside the L-shaped tensioning seat, compressing rods are fixedly connected to the outer walls of the two sides of the compressing wheel, one end of each compressing rod penetrates through the compressing seat fixedly connected to the outside of the L-shaped tensioning seat, rectangular seats are fixedly connected to the outer walls of the two sides of the L-shaped tensioning seat, a pressure guide rod is fixedly connected to the top end of the compressing seat, one end of the pressure guide rod penetrates through the upper portion of the rectangular seat, the top end of the compressing seat is located on a compression spring fixedly connected to the outer wall of the pressure guide rod, one end of the compression spring is fixedly connected with the rectangular seats, guide units are arranged on the top ends of the guide columns and the outer wall of one side of the compressing seat, and a buffering piece is arranged on the outer wall of one side of the L-shaped tensioning seat and the bottom end of the compressing seat.
As a still further scheme of the invention: the guide unit comprises a rectangular guide block fixedly connected to the outer wall of one side of the pressing seat, an inclined plane is formed in the inner side of the rectangular guide block, a first connecting column is fixedly connected to the top end of the guide column, a second connecting column is fixedly connected to one end of the first connecting column, a second guide seat is fixedly connected to one end of the second connecting column, and a second guide wheel is rotatably connected to the inner side of the second guide seat.
As a still further scheme of the invention: the buffering piece comprises a first arc-shaped pressing block fixedly connected to the bottom end of the pressing seat, a second rack fixedly connected to the outer wall of one side of the first arc-shaped pressing block, a first rotating shaft is connected to the outer walls of the two sides of the L-shaped pressing seat in a rotating mode, a straight gear is fixedly connected to the outer wall of the first rotating shaft and meshed with the second rack, a first fastening seat fixedly connected to the outer walls of the two sides of the L-shaped pressing seat is connected with a movable guide block in a sliding mode, a movable guide spring is fixedly connected to the outer wall of the movable guide block, one end of the movable guide spring is fixedly connected with the first fastening seat, the top end of the movable guide block penetrates through the first rack fixedly connected to the upper portion of the first fastening seat, the first rack is meshed with the straight gear, a second arc-shaped pressing block fixedly connected to one end of the first rack, and a fastening assembly is arranged on the outer walls of the two sides of the L-shaped pressing seat and the outer wall of the speed reduction shell.
As a still further scheme of the invention: the fastening assembly comprises two second fastening seats fixedly connected to the outer wall of one side of the L-shaped tensioning seat, the two second fastening seats are respectively located on one side of the second rack and the first rack, a fastening guide rod is connected to the inner side of each second fastening seat in a sliding mode, one end of the fastening guide rod penetrates through the fastening pushing seat fixedly connected to the outer portion of the second fastening seat, a fastening spring is fixedly connected to the outer wall of the fastening pushing seat, one end of the fastening spring is fixedly connected with the second fastening seats, and the inner side of each fastening pushing seat is rotatably connected with an anti-deviation wheel.
As a still further scheme of the invention: the fastening assembly further comprises a fastening rod fixedly connected to one end of the fastening pushing seat, a ball guide rod is fixedly connected to the outer wall of one side of the fastening rod, a supporting rod is fixedly connected to the outer wall of the speed reducing shell, a U-shaped pushing block is fixedly connected to one end of the supporting rod, and the inner side of the U-shaped pushing block is attached to the outer wall of the ball guide rod.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the tensioning mechanism and the matching of parts such as the tensioning steel rope, the output end of the hydraulic cylinder drives the U-shaped connecting rod to drive the inclined plate to contract, so that the first guide wheel is deduced to move towards the direction of the tensioning steel rope through the first guide seat and the inclined guide block driven by the rectangular guide rod, two groups of tensioning wheels are abutted against the outer wall of the tensioning steel rope, and the tensioning steel rope is clamped, so that the force required by the tensioning steel rope is increased, the tensioning steel rope is tensioned, the lifting frame is pulled, and the lifting frame is prevented from being inclined forwards due to the inertia of an object when suddenly stopped, so that the lifting safety is improved;
2. through the arrangement of the speed reducing part and the pressing assembly, the inclined guide block drives the speed reducing shell to move when moving towards the direction of the L-shaped tensioning seat, the speed reducing shell pushes the speed reducing seat to rotate under the action of the balls, so that the torsion spring is twisted, meanwhile, the torsion spring enables the speed reducing abutting block to abut against the inside of the speed reducing shell under the action of the torsion spring, so that the force required by the rotation of the second rotating shaft is increased, the second guide wheel is driven to move when the guide post moves, and when the second guide wheel is inserted into the inclined plane, the rectangular guide block is pushed to drive the pressing wheel to move downwards, so that the pressing wheel is pressed at the top end of the tensioning steel rope, the force required by the pulling of the tensioning steel rope is increased, and the stability of the lifting frame is improved;
3. through the arrangement of the buffer stop piece, when the rectangular guide block moves downwards, the first arc-shaped pressing block is driven to move downwards through the pressing seat, so that the straight gear is driven to rotate through the second rack, and then the first rack is driven to drive the second arc-shaped pressing block to move upwards, the first arc-shaped pressing block and the second arc-shaped pressing block are respectively moved to the outer wall of the second rotating shaft to press the second rotating shaft, so that the second rotating shaft is slowed down to rotate, the rotating resistance of the lap joint wheel is improved, and the force required by the inclination of the lifting frame for pulling the tensioned steel rope is increased;
4. through setting up fastening components, the speed reduction shell drives the U-shaped ejector pad when removing, with two ball guide arms of U-shaped ejector pad inboard promotion move to the U-shaped ejector pad inboard, thereby derive the seat through the anchorage bar and fastening respectively and drive the anti-deflection wheel and remove, make two anti-deflection wheels support respectively at second rack and first rack outer wall, compress tightly second rack and first rack with this, make the straight-teeth gear really with the second rack, first rack meshes mutually, thereby improve the stability when second rack removes with first rack, with this avoid the second rack, first rack takes place to break away from at the process and the straight-teeth gear that remove.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the L-shaped tightening base of the present invention;
FIG. 3 is a side view of the L-shaped tension block of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3 according to the present invention;
FIG. 5 is a partial schematic view of the tensioning mechanism of the present invention;
FIG. 6 is a schematic view of a fine guide assembly according to the present invention;
FIG. 7 is a schematic view of the reduction and hold-down assembly of the present invention;
figure 8 is a cross-sectional view of the speed reducing seat of the present invention;
FIG. 9 is a partial schematic view of the fastener assembly of the present invention;
FIG. 10 is a schematic view of a second U-shaped seat of the present invention.
In the figure: 1. a hoisting support; 2. sliding the trolley; 3. hoisting a steel cable; 4. lifting the hanger; 501. an L-shaped tension seat; 502. tensioning the connecting seat; 503. fixing a steel cable; 504. an inclined guide block; 505. a tensioning block; 506. a tension wheel; 507. a first U-shaped seat; 508. a rectangular guide bar; 509. a first guide seat; 510. a first guide wheel; 511. a sloping plate; 512. a T-shaped guide block; 513. an anti-deviation seat; 514. a U-shaped connecting rod; 515. a hydraulic cylinder; 516. a second U-shaped seat; 517. a drive motor; 518. tensioning the steel rope; 519. tensioning the spring; 520. a pinch roller; 521. a rectangular guide block; 522. a lapping wheel; 523. a pressing seat; 524. a hold down bar; 525. a linkage block; 526. a support bar; 527. a speed reduction housing; 528. a first fastening seat; 529. a movable guide block; 530. a movable guide spring; 531. a guide post; 532. a first connecting column; 533. a guide limiting groove; 534. a second connecting column; 535. a second guide seat; 536. a second guide wheel; 537. a rectangular base; 538. pressing the guide rod; 539. a first arc-shaped compaction block; 540. a U-shaped push block; 541. a first rack; 542. a spur gear; 543. a first rotating shaft; 544. a ball guide; 545. a fastening rod; 546. fastening the guide rod; 547. a second fastening seat; 548. a fastening spring; 549. fastening the push guide seat; 550. a second rack; 551. a second rotating shaft; 552. a deceleration base; 553. a deceleration resisting block; 554. a second arc-shaped pressing block; 555. a ball bearing; 556. a fixed guide wheel; 557. a fixed guide shaft; 558. a compression spring; 559. a third rotating shaft; 560. a torsion spring; 561. an anti-deviation wheel; 562. a rotating roller; 563. a bevel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1 to 10, in an embodiment of the present invention, a lifting apparatus for split type bridging includes a lifting bracket 1, a sliding trolley 2 is disposed at a top end of the lifting bracket 1, a lifting cable 3 is disposed at a bottom end of the sliding trolley 2, a lifting frame 4 is fixedly connected to a bottom end of the lifting cable 3, L-shaped tensioning seats 501 are fixedly connected to outer walls of two sides of the sliding trolley 2, second U-shaped seats 516 are fixedly connected to outer walls of two sides of the L-shaped tensioning seats 501, a driving motor 517 is fixedly connected to an outer wall of one side of the second U-shaped seats 516, an output end of the driving motor 517 is connected to a rotating roller 562, one end of the rotating roller 562 penetrates to an inner side of the second U-shaped seats 516, the rotating roller 562 is rotatably connected to the second U-shaped seats 516, a tensioning steel cable 518 is wound on an outer wall of the rotating roller 562, four tensioning connection seats 502 are fixedly connected to a top end of the lifting frame 4, outer wall fixedly connected with fixed cable 503 of taut connecting seat 502, and fixed cable 503 and taut cable 518 fixed connection, the first U-shaped seat 507 of the both sides outer wall fixedly connected with of L shape tension seat 501, the inboard of two first U-shaped seats 507 is provided with taut mechanism, the inboard of L shape tension seat 501 is provided with lap-joint wheel 522, the both sides outer wall fixedly connected with second pivot 551 of lap-joint wheel 522, the one end of second pivot 551 runs through to the outside of the taut seat 501 of L shape, second pivot 551 rotates with the taut seat 501 of L shape to be connected, taut cable 518 laminates the outer wall at lap-joint wheel 522, the outer wall of second pivot 551 is provided with the reduction gear with taut mechanism mutually supporting, the inboard top that is located lap-joint wheel 522 of the taut seat 501 of L shape is provided with the pressure components.
In this embodiment: at first, 2 bottoms of sliding trolley are provided with the take-up that the rolling lifted by crane cable wire 3, the bottom that lifts up gallows 4 is provided with the lifting hook, after 4 bottom lifting hooks of gallows fixed the object, the coiling mechanism through 2 bottoms of sliding trolley winds 3 lifted by crane cable wire, thereby lift by crane the object, drive the object through sliding trolley 2 afterwards and carry out lateral shifting, four driving motor 517 works simultaneously, direction according to 2 removal of sliding trolley, make two driving motor 517 outputs drive a live-rollers 562 respectively and release tensioning steel cable 518, two driving motor 517 outputs drive a live-rollers 562 respectively and carry out the rolling to tensioning steel cable 518, make four tensioning steel cables 518 slope and pull gallows 4, with this stability that improves gallows 4 and remove.
Please refer to fig. 1 to 10, the tightening mechanism includes an inclined guide block 504 slidably connected to an inner side of a first U-shaped seat 507, a tightening spring 519 fixedly connected to an outer wall of one side of the inclined guide block 504, one end of the tightening spring 519 is fixedly connected to the first U-shaped seat 507, a tightening block 505 fixedly connected to an outer wall of one side of the inclined guide block 504, a plurality of tightening wheels 506 rotatably connected to an inner side of the tightening block 505, a push guide member provided on an outer wall of one side of the L-shaped tightening seat 501 and an outer wall of the inclined guide block 504, the push member includes an anti-deviation seat 513 fixedly connected to an outer wall of one side of a second U-shaped seat 516, a T-shaped guide block 512 slidably connected to an inner side of the anti-deviation seat 513, an inclined plate 511 fixedly connected to an outer wall of one side of the T-shaped guide block 512, a hydraulic cylinder 515 fixedly connected to an outer wall of one side of the L-shaped tightening seat 501, a U-shaped link 514 connected to an output end of the hydraulic cylinder 515, a U-shaped link 514 fixedly connected to the inclined plate 511, a rectangular guide block 504 fixedly connected to an outer wall of the inclined guide block 508, a first guide block 509 fixedly connected to an outer wall of the first U-shaped seat 507, a first guide block 510 fixedly connected to an inner side of the inclined guide block 510, and a first inclined guide block 510 fixedly connected to an inner side of the inclined guide block 510, and a fine guide block 510 fixedly connected to an inner side of the inclined guide block 510.
In this embodiment: before a worker stops the sliding trolley 2, the hydraulic cylinder 515 is started, an output end of the hydraulic cylinder 515 drives the U-shaped connecting rod 514 to drive the inclined plate 511 to contract, so that it is deduced that the first guide wheel 510 drives the inclined guide block 504 to move towards the direction of the tensioning steel cable 518 through the first guide seat 509 and the rectangular guide rod 508, so that the two groups of tensioning wheels 506 abut against the outer wall of the tensioning steel cable 518 to clamp the tensioning steel cable 518, the force required by pulling the tensioning steel cable 518 is increased, the tensioning steel cable 518 is tensioned, the inclined guide block 504 is moved through the fine guide assembly, so that the inclined guide block 504 can stably move, the lifting frame 4 tensions the tensioning steel cable 518 before stopping through the cooperation of the above parts, the lifting frame 4 generates tension, and the lifting frame 4 is prevented from being forwardly tilted due to inertia of an object when suddenly stopping, and the lifting safety is improved.
Please refer to fig. 3 and fig. 5, the fine guide assembly includes a guide pillar 531 fixedly connected to the upper and lower ends of the inclined guide block 504, the upper and lower ends of the first U-shaped seat 507 are respectively provided with a limited guide groove 533, outer walls of two sides of the guide pillar 531 are fixedly connected with a fixed guide shaft 557, one end of the fixed guide shaft 557 extends to the inside of the limited guide groove 533, an outer wall of the fixed guide shaft 557 is fixedly connected with a fixed guide wheel 556, and the fixed guide wheel 556 is installed inside the limited guide groove 533.
In this embodiment: when the inclined guide block 504 moves, the guide posts 531 drive the fixed guide shafts 557 and the fixed guide wheels 556 to move along the direction of the limiting guide grooves 533, so that the moving stability of the inclined guide block 504 is improved, and meanwhile, the inclined guide block 504 is convenient to move under the action of the fixed guide wheels 556.
Please refer to fig. 3 to 8, the decelerating element includes an interlocking block 525 fixedly connected to one end of the inclined guide block 504, one end of the interlocking block 525 is fixedly connected to a decelerating shell 527, one end of the decelerating shell 527 is rotatably connected to a ball 555, an outer wall of the second rotating shaft 551 is fixedly connected to a plurality of decelerating seats 552, inner sides of the plurality of decelerating seats 552 are rotatably connected to a decelerating abutting block 553, outer walls of both sides of the decelerating abutting block 553 are fixedly connected to a third rotating shaft 559, one end of the third rotating shaft 559 penetrates into the decelerating seat 552, the third rotating shaft 559 is rotatably connected to the decelerating seats 552, an outer wall of the third rotating shaft 559 is mounted with a torsion spring 560, one end of the torsion spring 560 is mounted inside the decelerating seats 552, the compressing assembly includes a compressing wheel 520 disposed inside the L-shaped tightening seat 501, outer walls of both sides of the compressing wheel 520 are fixedly connected to compressing rods 524, one end of the compressing rod 524 penetrates into an outer portion of the L-shaped tightening seat 501 to be fixedly connected to a compressing seat 523, outer walls of the L-shaped tightening seat 501 are fixedly connected to both sides of the L-shaped tightening seat 501, the top end of the pressing seat 523 is fixedly connected with a pressing guide rod 538, one end of the pressing guide rod 538 penetrates through the middle part to the upper part of the rectangular seat 537, the top end of the pressing seat 523 is positioned on the outer wall of the pressing guide rod 538 and is fixedly connected with a pressing spring 558, one end of the pressing spring 558 is fixedly connected with the rectangular seat 537, the top end of the guide column 531 and the outer wall of one side of the pressing seat 523 are provided with a guide unit, the outer wall of one side of the L-shaped tensioning seat 501 and the bottom end of the pressing seat 523 are provided with a buffer member, the guide unit comprises a rectangular guide block 521 fixedly connected with the outer wall of one side of the pressing seat 523, the inner side of the rectangular guide block 521 is provided with an inclined surface 563, the top end of the guide column 531 is fixedly connected with a first connecting column 532, one end of the first connecting column 532 is fixedly connected with a second connecting column 534, one end of the second connecting column 534 is fixedly connected with a second guide seat 535, a second guide wheel 536 is rotatably connected to the inner side of the second guide housing 535.
In this embodiment: oblique guide block 504 drives speed reduction shell 527 and removes when removing to the tight seat 501 direction of L shape, make speed reduction shell 527 promote to slow down to support piece 553 and rotate under the effect through ball 555, thereby make torsional spring 560 distort, torsional spring 560 makes speed reduction support piece 553 support the inside at speed reduction shell 527 through self effect down simultaneously, thereby the power that needs when increasing second pivot 551 and rotating, it removes to drive second leading wheel 536 when guide post 531 removes, when second leading wheel 536 inserts inside the inclined plane 563, it drives pinch roller 520 and moves downwards to promote rectangle guide block 521, make pinch roller 520 press the top at taut steel cable 518, with this increase taut steel cable 518 and pull the power that needs, improve the stability that plays gallows 4.
Please refer to fig. 4 and 7, the damping member includes a first arc-shaped pressing block 539 fixedly connected to the bottom end of the pressing seat 523, a second rack 550 is fixedly connected to an outer wall of one side of the first arc-shaped pressing block 539, both outer walls of both sides of the L-shaped tension seat 501 are rotatably connected to a first rotating shaft 543, a spur gear 542 is fixedly connected to an outer wall of the first rotating shaft 543, the spur gear 542 is engaged with the second rack 550, both outer walls of both sides of the L-shaped tension seat 501 are fixedly connected to a first fastening seat 528, the inner side of the first fastening seat 528 is slidably connected to a movable guide block 529, the outer wall of the movable guide block 529 is fixedly connected to a movable guide spring 530, one end of the movable guide spring 530 is fixedly connected to the first fastening seat 528, the top end of the movable guide block 529 penetrates above the first fastening seat 528 to be fixedly connected to a first rack, the first rack 541 is engaged with the spur gear 542, one end of the first rack 541 is fixedly connected to a second arc-shaped pressing block 554, and a speed reduction housing 527 is disposed on the outer wall of the L-shaped tension seat 501.
In this embodiment: rectangle guide block 521 drives first arc compact heap 539 downstream through compressing tightly seat 523 during the downstream, thereby rotate through second rack 550 drive spur gear 542, and then drive first rack 541 and drive second arc compact heap 554 rebound, make first arc compact heap 539 and second arc compact heap 554 remove the outer wall that is located second pivot 551 respectively, compress tightly second pivot 551, thereby slow down second pivot 551 and rotate, improve overlap joint wheel 522 pivoted resistance, with this increase taut steel cable 518 and pull the power that needs to use.
Referring to fig. 4, 7 and 9, the fastening assembly includes two second fastening seats 547 fixedly connected to an outer wall of one side of the L-shaped tightening seat 501, the two second fastening seats 547 are respectively located at one sides of the second rack 550 and the first rack 541, a fastening guide bar 546 is slidably connected to an inner side of the second fastening seat 547, one end of the fastening guide bar 546 penetrates through an outer portion of the second fastening seat 547 and is fixedly connected to a fastening push seat 549, an outer wall of the fastening push seat 549 is fixedly connected to a fastening spring 548, one end of the fastening spring 548 is fixedly connected to the second fastening seat 547, an inner side of the fastening push seat 549 is rotatably connected to an anti-deflection wheel 561, the fastening assembly further includes a fastening rod 545 fixedly connected to one end of the fastening push seat 549, an outer wall of one side of the fastening rod 545 is fixedly connected to a ball guide bar 544, an outer wall of the deceleration shell 527 is fixedly connected to a support bar 526, one end of the support bar 526 is fixedly connected to an U-shaped push block 540, and an inner side of the U-shaped push block 540 is attached to an outer wall of the ball guide bar 544.
In this embodiment: the decelerating shell 527 drives the U-shaped pushing block 540 to move when moving, and the two ball guide rods 544 are pushed to move towards the inside of the U-shaped pushing block 540 together with the inside of the U-shaped pushing block 540, so that the two ball guide rods 544 are respectively driven by the fastening rod 545 and the fastening pushing seat 549 to move, the two anti-deflection wheels 561 are respectively abutted against the outer walls of the second rack 550 and the first rack 541, the second rack 550 and the first rack 541 are pressed, the straight gear 542 is actually meshed with the second rack 550 and the first rack 541, the stability of the second rack 550 and the first rack 541 when moving is improved, and the second rack 550 and the first rack 541 are prevented from being separated from the straight gear 542 in the moving process.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (4)
1. The hoisting device for the split type bridge comprises a hoisting support (1) and is characterized in that a sliding trolley (2) is arranged at the top end of the hoisting support (1), a hoisting cable (3) is arranged at the bottom end of the sliding trolley (2), a hoisting frame (4) is fixedly connected to the bottom end of the hoisting cable (3), L-shaped tensioning seats (501) are fixedly connected to the outer walls of the two sides of the sliding trolley (2), second U-shaped seats (516) are fixedly connected to the outer walls of the two sides of each L-shaped tensioning seat (501), a driving motor (517) is fixedly connected to the outer wall of one side of each second U-shaped seat (516), a rotating roller (562) is connected to the output end of each driving motor (517), one end of each rotating roller (562) penetrates through the inner side of each second U-shaped seat (516), each rotating roller (562) is rotatably connected with each second U-shaped seat (516), a tensioning steel cable (518) is wound on the outer wall of each rotating roller (562), four tensioning connecting seats (502) are fixedly connected to the top end of the hoisting frame (4), the outer wall of each tensioning connecting seat (502) is fixedly connected with a steel cable (503), and two tensioning mechanisms (507) are fixedly connected with the inner side of each U-shaped tensioning seat (507), the inner side of the L-shaped tensioning seat (501) is provided with a lapping wheel (522), the outer walls of two sides of the lapping wheel (522) are fixedly connected with a second rotating shaft (551), one end of the second rotating shaft (551) penetrates through the outer part of the L-shaped tensioning seat (501), the second rotating shaft (551) is rotatably connected with the L-shaped tensioning seat (501), the tensioning steel rope (518) is attached to the outer wall of the lapping wheel (522), the outer wall of the second rotating shaft (551) is provided with a speed reducing part matched with the tensioning mechanism, and the inner side of the L-shaped tensioning seat (501) is positioned above the lapping wheel (522) and is provided with a compression assembly;
the tensioning mechanism comprises an inclined guide block (504) which is slidably connected to the inner side of the first U-shaped seat (507), a tensioning spring (519) is fixedly connected to the outer wall of one side of the inclined guide block (504), one end of the tensioning spring (519) is fixedly connected with the first U-shaped seat (507), a tensioning block (505) is fixedly connected to the outer wall of one side of the inclined guide block (504), a plurality of tensioning wheels (506) are rotatably connected to the inner side of the tensioning block (505), and a pushing and guiding member is arranged between the outer wall of one side of the L-shaped tensioning seat (501) and the outer wall of the inclined guide block (504);
the derivation piece comprises an anti-deviation seat (513) fixedly connected to the outer wall of one side of the second U-shaped seat (516), a T-shaped guide block (512) is connected to the inner side of the anti-deviation seat (513) in a sliding manner, an inclined plate (511) is fixedly connected to the outer wall of one side of the T-shaped guide block (512), a hydraulic cylinder (515) fixedly connected to the outer wall of one side of the L-shaped tensioning seat (501), a U-shaped connecting rod (514) is connected to the output end of the hydraulic cylinder (515), the U-shaped connecting rod (514) is fixedly connected with the inclined plate (511), a rectangular guide rod (508) is fixedly connected to the outer wall of the inclined guide block (504), one end of the rectangular guide rod (508) penetrates through the first guide seat (509) and is fixedly connected to the outer part of the first U-shaped seat (507), a first guide wheel (510) is rotatably connected to the inner side of the first guide seat (509), the first guide wheel (510) is attached to the outer wall of the inclined plate (511), and fine guide assemblies are arranged at the inner side of the first U-shaped seat (507) and the upper end and the lower end of the inclined guide block (504);
the fine guide assembly comprises guide posts (531) fixedly connected to the upper end and the lower end of the inclined guide block (504), the upper end and the lower end of the first U-shaped seat (507) are provided with limited guide grooves (533), the outer walls of the two sides of each guide post (531) are fixedly connected with fixed guide shafts (557), one ends of the fixed guide shafts (557) extend into the limited guide grooves (533), the outer walls of the fixed guide shafts (557) are fixedly connected with fixed guide wheels (556), and the fixed guide wheels (556) are installed in the limited guide grooves (533);
the speed reducer comprises a linkage block (525) fixedly connected to one end of the inclined guide block (504), one end of the linkage block (525) is fixedly connected with a speed reducing shell (527), one end of the speed reducing shell (527) is rotatably connected with a ball (555), the outer wall of the second rotating shaft (551) is fixedly connected with a plurality of speed reducing seats (552), the inner sides of the speed reducing seats (552) are rotatably connected with speed reducing abutting blocks (553), the outer walls of two sides of each speed reducing abutting block (553) are fixedly connected with third rotating shafts (559), one ends of the third rotating shafts (559) penetrate into the speed reducing seats (552), the third rotating shafts (559) are rotatably connected with the speed reducing seats (552), torsion springs (560) are installed on the outer walls of the third rotating shafts (559), and one ends of the torsion springs (560) are installed inside the speed reducing seats (552);
the pressing assembly comprises a pressing wheel (520) arranged inside the L-shaped tensioning seat (501), pressing rods (524) are fixedly connected to the outer walls of two sides of the pressing wheel (520), one end of each pressing rod (524) penetrates through the outer portion of the L-shaped tensioning seat (501) to be fixedly connected with a pressing seat (523), rectangular seats (537) are fixedly connected to the outer walls of two sides of the L-shaped tensioning seat (501), a pressing guide rod (538) is fixedly connected to the top end of each pressing seat (523), one end of each pressing guide rod (538) penetrates above the rectangular seat (537), a pressing spring (558) is fixedly connected to the outer wall of each pressing guide rod (538) at the top end of each pressing seat (523), one end of each pressing spring (558) is fixedly connected with the rectangular seat (537), a guiding unit is arranged on the outer wall of one side of the top end of the guide column (531) and one side of the pressing seat (523), and a buffering piece is arranged on one side of the outer wall of the L-shaped tensioning seat (501) and the bottom end of the pressing seat (523);
the guiding unit comprises a rectangular guide block (521) fixedly connected to the outer wall of one side of the pressing seat (523), an inclined plane (563) is formed in the inner side of the rectangular guide block (521), a first connecting column (532) is fixedly connected to the top end of the guide column (531), a second connecting column (534) is fixedly connected to one end of the first connecting column (532), a second guide seat (535) is fixedly connected to one end of the second connecting column (534), and a second guide wheel (536) is rotatably connected to the inner side of the second guide seat (535);
the sliding trolley (2) is used for driving an object to transversely move, the four driving motors (517) work simultaneously, the output ends of the two driving motors (517) respectively drive one rotating roller (562) to release the tensioning steel ropes (518) according to the moving direction of the sliding trolley (2), the output ends of the other two driving motors (517) respectively drive one rotating roller (562) to wind the tensioning steel ropes (518), and the four tensioning steel ropes (518) are inclined to pull the lifting frame (4);
before a worker stops the sliding trolley (2), the hydraulic cylinder (515) is started, the output end of the hydraulic cylinder (515) drives the U-shaped connecting rod (514) to drive the inclined plate (511) to contract, so that the first guide wheel (510) drives the inclined guide block (504) to move towards the tensioning steel rope (518) through the first guide seat (509) and the rectangular guide rod (508), the two groups of tensioning wheels (506) abut against the outer wall of the tensioning steel rope (518) to clamp the tensioning steel rope (518), the force required by pulling the tensioning steel rope (518) is increased, and the tensioning steel rope (518) is tensioned;
the inclined guide block (504) moves towards the L-shaped tensioning seat (501) and simultaneously drives the speed reduction shell (527) to move, the speed reduction shell (527) pushes the speed reduction abutting block (553) to rotate under the action of the ball (555), so that the torsion spring (560) is twisted, meanwhile, the torsion spring (560) enables the speed reduction abutting block (553) to abut against the inside of the speed reduction shell (527) under the action of the torsion spring (555), so that the force required by the rotation of the second rotating shaft (551) is increased, the guide post (531) drives the second guide wheel (536) to move when moving, and when the second guide wheel (536) is inserted into the inclined surface (563), the rectangular guide block (521) is pushed to drive the pressing wheel (520) to move downwards, so that the pressing wheel (520) presses the top end of the tensioning steel rope (518).
2. The hoisting apparatus for split type bridging according to claim 1, wherein the buffer member comprises a first arc-shaped compressing block (539) fixedly connected to the bottom end of the compressing seat (523), a second rack (550) is fixedly connected to an outer wall of one side of the first arc-shaped compressing block (539), outer walls of two sides of the L-shaped tensioning seat (501) are rotatably connected with a first rotating shaft (543), an outer wall of the first rotating shaft (543) is fixedly connected with a spur gear (542), the spur gear (542) is meshed with the second rack (550), outer walls of two sides of the L-shaped tensioning seat (501) are fixedly connected with a first fastening seat (528), an inner side of the first fastening seat (528) is slidably connected with a movable guide block (529), an outer wall of the movable guide block (529) is fixedly connected with a movable guide spring (530), one end of the movable guide spring (530) is fixedly connected with the first fastening seat (528), a top end of the movable guide block (529) penetrates through the upper side of the first fastening seat (528), and an end of the first rack (541) is fixedly connected with the first fastening seat (541) meshed with the second fastening seat (554).
3. The lifting apparatus for split type bridging according to claim 2, wherein the fastening assembly includes two second fastening seats (547) fixedly connected to an outer wall of one side of the L-shaped tensioning seat (501), the two second fastening seats (547) are respectively located at one side of the second rack (550) and one side of the first rack (541), a fastening guide rod (546) is slidably connected to an inner side of the second fastening seat (547), one end of the fastening guide rod (546) penetrates through to an outer portion of the second fastening seat (547) and is fixedly connected with a fastening push guide seat (549), a fastening spring (548) is fixedly connected to an outer wall of the fastening push guide seat (549), one end of the fastening spring (548) is fixedly connected to the second fastening seat (547), and an anti-deflection wheel (561) is rotatably connected to an inner side of the fastening push guide seat (549).
4. The lifting apparatus for split type bridge erection according to claim 3, wherein said fastening assembly further comprises a fastening rod (545) fixedly connected to one end of said fastening pushing guide seat (549), one side outer wall of said fastening rod (545) is fixedly connected with a ball guide rod (544), the outer wall of said deceleration shell (527) is fixedly connected with a supporting rod (526), one end of said supporting rod (526) is fixedly connected with a U-shaped pushing block (540), and the inner side of said U-shaped pushing block (540) is attached to the outer wall of said ball guide rod (544).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211497881.3A CN115520780B (en) | 2022-11-28 | 2022-11-28 | Lifting device for split type bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211497881.3A CN115520780B (en) | 2022-11-28 | 2022-11-28 | Lifting device for split type bridge |
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| Publication Number | Publication Date |
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| CN115520780A CN115520780A (en) | 2022-12-27 |
| CN115520780B true CN115520780B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211497881.3A Active CN115520780B (en) | 2022-11-28 | 2022-11-28 | Lifting device for split type bridge |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745615B (en) * | 2012-07-12 | 2015-08-12 | 中联重科股份有限公司 | Rope pressing device and crane with same |
| US20140217050A1 (en) * | 2013-02-06 | 2014-08-07 | Par Systems, Inc. | Relocatable fine motion positioner assembly on an overhead crane |
| PL3165493T3 (en) * | 2015-11-06 | 2019-12-31 | Fundación Tecnalia Research & Innovation | Apparatus and method for positioning and orientating a load |
| CN207192616U (en) * | 2017-08-05 | 2018-04-06 | 安徽强力重工起重机械有限公司 | A kind of gantry crane for preventing that goods from rocking |
| CN207483212U (en) * | 2017-11-16 | 2018-06-12 | 丁碧江 | A kind of crane |
| CN210710405U (en) * | 2019-09-17 | 2020-06-09 | 陕西泰方建设有限公司 | Anti-shaking hanging frame for civil engineering construction |
| CN113443574A (en) * | 2021-05-20 | 2021-09-28 | 刘根田 | Locking device of hoisting equipment |
| CN216583838U (en) * | 2021-12-21 | 2022-05-24 | 湖南路桥建设集团有限责任公司 | Anti-collision device for large-curvature curve bridge girder erection machine |
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