CN118220994A - PHC tubular pile overhead hoist - Google Patents
PHC tubular pile overhead hoist Download PDFInfo
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- CN118220994A CN118220994A CN202410642239.2A CN202410642239A CN118220994A CN 118220994 A CN118220994 A CN 118220994A CN 202410642239 A CN202410642239 A CN 202410642239A CN 118220994 A CN118220994 A CN 118220994A
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- 230000007246 mechanism Effects 0.000 claims description 5
- 235000012046 side dish Nutrition 0.000 claims 1
- 230000005484 gravity Effects 0.000 description 19
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a PHC pipe pile lifting device, which relates to the technical field of pipe pile lifting and comprises a center plate, wherein a center column is slidably arranged in the center plate, a chassis is fixedly arranged at the lower end part of the center column, a first spring is fixedly arranged at the upper end part of the chassis, the first spring is sleeved on the center column and is fixedly connected with the center plate, a connecting piece is fixedly arranged at the upper end part of the center column, a limiting groove is formed in the connecting piece, a connecting ring is rotatably arranged in the limiting groove, lifting ropes are uniformly and equidistantly fixedly arranged between the center plate and the connecting piece, sliding rings are slidably arranged on two second screws, limiting blocks are fixedly arranged in the inner walls of the two sliding rings, and two groups of limiting blocks are slidably arranged in two groups of sliding grooves respectively, so that the PHC pipe pile is stressed more uniformly when being fixed, and compared with the traditional lifting equipment, the connection stability of the PHC pipe pile and the equipment is greatly improved, and the phenomenon that the PHC pipe pile cannot slide off from the equipment is avoided.
Description
Technical Field
The invention belongs to the technical field of tubular pile lifting, and particularly relates to a PHC tubular pile lifting device.
Background
The offshore hoisting and transporting of the PHC pipe piles refers to the process of safely and efficiently transporting the PHC pipe piles to an offshore construction site for installation from a land manufacturing base or an offshore storage area through special ships or hoisting equipment.
However, the existing PHC tubular pile lifting device has the following defects when in use:
1. because the PHC pipe pile is of a hollow structure and has larger wind wave during the operation at sea, the PHC pipe pile is easy to generate the phenomenon of wind filling in the hoisting process, and the PHC pipe pile is easy to swing when wind is filled in the PHC pipe pile, so that the hoisting stability is poor;
2. Because the structures of different PHC tubular piles are different, the gravity center points of different PHC tubular piles are also different, the existing equipment is easily affected by the gravity of the PHC tubular piles during hoisting, the PHC tubular piles are deflected in the hoisting process, uneven stress of hoisting ropes is caused, and the problem of breakage easily occurs.
Accordingly, in view of the above, research and improvement are made to the existing structure and the defects, and a PHC pile lifting device is provided, so as to achieve the purpose of having more practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a PHC tubular pile lifting device for solving the problems.
The PHC tubular pile lifting device comprises a central disc, a central column is slidably arranged in the central disc, a chassis is fixedly arranged at the lower end part of the central column, a first spring is fixedly arranged at the upper end part of the chassis, the first spring is sleeved on the central column, the upper end part of the first spring is fixedly connected with the central disc, a connecting piece is fixedly arranged at the upper end part of the central column, a limit groove is formed in the connecting piece, a connecting ring is rotatably arranged in the limit groove, lifting ropes are uniformly and fixedly arranged between the central disc and the connecting piece at equal intervals, and the four lifting ropes surround the periphery of the central column;
The side wall of the central disc is symmetrically and fixedly provided with fixing mechanisms;
The fixing mechanism comprises side rods, the two side rods are symmetrically and fixedly arranged on the side wall of the central disc, cross grooves are formed in the side rods, and inner rollers are uniformly and equidistantly arranged in the cross grooves.
Preferably, the upper end parts of the two side rods are fixedly provided with first screws, and the two first screws are symmetrically provided with threaded rings.
Preferably, the lower end parts of the two side rods are fixedly provided with supporting frames, the side strips are fixedly arranged on the side walls of the two sides of the supporting frames, and the swinging mass blocks are arranged on the two groups of side strips.
Preferably, two the inside equal slidable mounting of cross groove has adjusted the pole, two the inside all having seted up of adjusting the pole, two the first screw rod slidable mounting respectively in two inside grooves, two equal symmetry fixed mounting has the slider on adjusting the pole lateral wall, two sets of slider slidable mounting respectively in two sets of cross grooves.
Preferably, the two groups of sliding blocks are respectively separated from the upper end parts of the inner walls of the two groups of cross grooves and are attached to the two groups of inner rollers, the two adjusting rods are internally and symmetrically fixedly provided with supporting plates, and the two supporting plates are respectively positioned above the two side rods.
Preferably, two the inside equal screw thread of adjusting the pole is installed the second screw rod, two all seted up the spout on the second screw rod lateral wall, two equal fixed mounting has the hydro-cylinder on the second screw rod, two equal fixed mounting has electric telescopic handle on the output of hydro-cylinder, two equal fixed mounting has the fixed disk on the electric telescopic handle.
Preferably, two side plates are fixedly arranged at opposite ends of the second screw rod, a protection ring is fixedly arranged at opposite ends of the side plates, air pumps are arranged in the protection ring, the air pumps are respectively connected with the two side plates, and air bags are arranged on the air pumps.
Preferably, two sliding rings are arranged on the second screw rods in a sliding manner, limiting blocks are fixedly arranged in the inner walls of the sliding rings, two groups of limiting blocks are respectively and slidably arranged in two groups of sliding grooves, a connecting frame is fixedly arranged at one end, deviating from the sliding rings, of each sliding ring, and two fixing discs are respectively and rotatably arranged in the two connecting frames.
Preferably, the side plates are provided with arc-shaped pieces at equal intervals, each arc-shaped piece is provided with a slot, and each arc-shaped piece is provided with a wedge-shaped fixing piece.
Preferably, each wedge-shaped fixing piece is fixedly provided with an inserting rod, each inserting rod is fixedly provided with a second spring, and one end, far away from the inserting rod, of each second spring is fixedly connected with each arc-shaped piece respectively.
Compared with the prior art, the invention has the following beneficial effects:
According to the PHC pipe pile connecting device, the second screw rods, the sliding rings, the slots, the wedge-shaped fixing pieces and the inserting rods are arranged, the two sliding rings are driven to move towards the middle parts on the two second screw rods under the movement of the two connecting frames, the two groups of wedge-shaped fixing pieces are extruded under the movement of the two sliding rings, the two groups of wedge-shaped fixing pieces are outwards expanded under the extrusion force, the inserting rods are driven to slide in the slots under the sliding of the wedge-shaped fixing pieces, the PHC pipe pile is compressed, the inner wall of the PHC pipe pile is synchronously fixed in four directions under the action of the two groups of wedge-shaped fixing pieces, so that the PHC pipe pile is stressed more uniformly when being fixed, and compared with the traditional lifting device, the connection stability of the PHC pipe pile and the device in the device is greatly improved, and the PHC pipe pile cannot slide off from the device;
according to the invention, the air pump and the air bag are arranged, so that air is blown into the air bag under the action of the two air pumps, and the air bag expands in the PHC pipe pile at the moment, so that two ends of the PHC pipe pile are plugged, the air is not easy to flow into the pipe pile when the PHC pipe pile is lifted at sea, the pipe pile swings due to different stress, and the stability of the pipe pile during lifting is effectively ensured;
According to the invention, due to the fact that the hoisting ropes, the adjusting rods and the second screws are arranged, the phenomenon that the PHC pipe pile is easy to incline due to the influence of gravity when in offshore hoisting is caused by different positions of the gravity center points of the PHC pipe piles in different specifications, the gravity weight center position of the PHC pipe pile can be known in advance, then the relative positions of the two adjusting rods are roughly adjusted before the PHC pipe pile is hoisted, and afterwards the installation positions of the PHC pipe pile can be finely adjusted by rotating the two second screws in the two adjusting rods, so that the PHC pipe pile and the gravity center point of the equipment body can be kept at the middle position, and further the stress of the four hoisting ropes is relatively uniform, and the problem of fracture in the hoisting process is difficult to occur;
According to the invention, the central disc, the central column, the chassis, the first springs and the hoisting ropes are arranged, so that when the hoisting ropes are broken, the central disc loses traction, the central disc slides down on the central column, the gravity of the central disc acts on the first springs, the first springs are extruded to deform, the chassis limits the central disc, the equipment is effectively prevented from falling, and the use safety of the equipment is further ensured;
According to the PHC pipe pile lifting device, the center disc, the side rods, the cross grooves, the inner rollers, the adjusting rods, the inner grooves, the sliding blocks and the supporting plates are arranged, when the device is placed on the ground, the sliding blocks on the adjusting rods are in contact with the inner rollers, when the adjusting rods are moved in the cross grooves, the sliding blocks on the adjusting rods roll on the inner rollers, the inner rollers play a boosting role, so that the movement of the adjusting rods can be more portable, when the PHC pipe pile is lifted, the center disc can drive the side rods to move along with the side rods, the sliding blocks are changed from being in contact with the inner rollers to being in contact with the upper ends of the inner walls of the cross grooves under the movement of the side rods, the two side rods are in synchronous contact with the two groups of supporting plates, the gravity of the PHC pipe pile originally borne by the two adjusting rods is distributed to the two groups of supporting plates during lifting, the bearing area of stress is increased, the whole stress bearing area of the device is uniform during lifting, and the whole lifting effect of the device is enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the second screw connection explosion structure of the present invention;
FIG. 3 is a schematic view of the connection explosion structure of the support plate of the present invention;
FIG. 4 is a schematic illustration of the side bar attachment construction of the present invention;
FIG. 5 is a schematic view of the inner roll attachment configuration of the present invention;
FIG. 6 is a schematic view of the connection structure of the adjusting lever of the present invention;
FIG. 7 is a schematic view of the slip ring connection explosion structure of the present invention;
Fig. 8 is a schematic view of the connection explosion structure of the wedge-shaped fixing piece of the invention.
In the figure, the correspondence between the component names and the drawing numbers is: 11. a center plate; 12. a center column; 13. a chassis; 14. a first spring; 15. a connecting piece; 16. a limit groove; 17. a connecting ring; 18. hoisting ropes; 21. a side bar; 22. a cross groove; 23. an inner roller; 24. a first screw; 25. a threaded ring; 26. a support frame; 27. side bars; 28. swinging the mass block; 31. an adjusting rod; 32. an inner tank; 33. a slide block; 34. a support plate; 41. a second screw; 42. a chute; 43. an oil cylinder; 44. an electric telescopic rod; 45. a fixed plate; 46. a side plate; 47. a guard ring; 48. an air pump; 49. an air bag; 51. a slip ring; 52. a limiting block; 53. a connecting frame; 54. an arc-shaped sheet; 55. a slot; 56. a wedge-shaped fixing member; 57. a rod; 58. and a second spring.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-8, the invention provides a PHC pile lifting device, which comprises a central disc 11, wherein a central column 12 is slidably installed in the central disc 11, a chassis 13 is fixedly installed at the lower end of the central column 12, a first spring 14 is fixedly installed at the upper end of the chassis 13, the first spring 14 is sleeved on the central column 12, the upper end of the central column is fixedly connected with the central disc 11, a connecting piece 15 is fixedly installed at the upper end of the central column 12, a limit groove 16 is formed in the connecting piece 15, a connecting ring 17 is rotatably installed in the limit groove 16, lifting ropes 18 are uniformly and fixedly installed between the central disc 11 and the connecting piece 15 at equal intervals, four lifting ropes 18 surround the periphery of the central column 12, and through designing the four lifting ropes 18, when the lifting ropes 18 are worn after the device is used for a long time, the possibility of breaking occurs in the lifting process, the central disc 11 loses traction when the lifting ropes 18 break, the central disc 11 slides down on the central column 12 at the moment, the gravity of the central disc 11 acts on the first spring 14, and the first spring 14 is extruded to generate, the central disc 11 is prevented from falling down on the central disc 13, and the safety of the device is effectively ensured;
the side wall of the central disc 11 is symmetrically and fixedly provided with a fixing mechanism;
The fixed establishment includes side lever 21, two side lever 21 symmetry fixed mounting are on central dish 11 lateral wall, cross groove 22 has all been seted up to two side lever 21 insidely, two cross groove 22 inside even equidistance is provided with interior roller 23, two side lever 21 upper end all fixed mounting have first screw rod 24, all symmetrical screw thread installs screwed ring 25 on two first screw rods 24, two side lever 21 lower extreme all fixed mounting have support frame 26, all fixed mounting have side bar 27 on two side wall of support frame 26, all be provided with on two sets of side bars 27 and swing mass piece 28, swing mass piece 28 is usually by a entity (such as iron block, concrete block, water tank etc.) and one set of suspension or braced system constitution, when the wave arouses that the main structure rocked, swing mass piece 28 can lag behind the motion of main structure because of inertial action, form certain relative displacement, at this moment, produce a restoring force (opposite to the main structure wobbling direction) between mass piece and the main structure, this restoring force tries to draw the mass piece back balanced position, simultaneously produce the effect of reverse vibration attenuation to the main structure, reduce its range of rocking.
The two cross grooves 22 are internally and respectively provided with an adjusting rod 31 in a sliding manner, the two adjusting rods 31 are internally and respectively provided with an inner groove 32, the two first screws 24 are respectively and slidably arranged in the two inner grooves 32, the side walls of the two adjusting rods 31 are respectively and symmetrically and fixedly provided with sliding blocks 33, the two sliding blocks 33 are respectively and slidably arranged in the two groups of cross grooves 22, the two groups of sliding blocks 33 are respectively separated from the upper end parts of the inner walls of the two groups of cross grooves 22 and are attached to the two groups of inner rollers 23, the two adjusting rods 31 are internally and symmetrically and fixedly provided with supporting plates 34, the two supporting plates 34 are respectively positioned above the two side rods 21, the two adjusting rods 31 are internally and respectively provided with a second screw 41 in a threaded manner, because the positions of the gravity center points of PHC pipe piles of different specifications are different, the phenomenon that the PHC pipe piles are easily inclined due to the influence of gravity of the PHC pipe piles can be known in advance when the PHC pipe piles are lifted at sea, then the relative position of the two adjusting rods 31 is approximately adjusted before the PHC pipe pile is lifted, after that, the installation position of the PHC pipe pile can be finely adjusted by rotating the two second screws 41 inside the two adjusting rods 31, so that the PHC pipe pile and the gravity center of the equipment body can be kept at the middle position, further the stress of the four lifting ropes 18 is relatively uniform, the problem of fracture in the lifting process is difficult to occur, through the design of the inner roller 23, when the equipment is placed on the ground, the sliding blocks 33 on the adjusting rods 31 are contacted with the inner roller 23, when the adjusting rods 31 are moved inside the cross grooves 22, the sliding blocks 33 on the adjusting rods 31 roll on the inner roller 23, the inner roller 23 plays a role of boosting, so that the movement of the adjusting rods 31 can be lighter, when the PHC pipe pile is installed, the lifting can be carried out, the central disc 11 can drive the side rods 21 to move along with the inner roller 23, the sliding block 33 is changed from being contacted with the inner roller 23 to being contacted with the upper end part of the inner wall of the cross groove 22 under the movement of the side rods 21, at the moment, the two side rods 21 are also synchronously contacted with the two groups of support plates 34, and at the moment, the gravity of the PHC pipe pile originally borne by the two adjusting rods 31 during hoisting is distributed to the two groups of support plates 34, so that the bearing area of stress is increased, the whole stress of the equipment is uniform during hoisting, and the whole hoisting effect of the equipment is enhanced.
The side walls of the two second screw rods 41 are provided with sliding grooves 42, the two second screw rods 41 are fixedly provided with oil cylinders 43, the output ends of the two oil cylinders 43 are fixedly provided with electric telescopic rods 44, the two electric telescopic rods 44 are fixedly provided with fixed discs 45, the opposite ends of the two second screw rods 41 are fixedly provided with side discs 46, the opposite ends of the two side discs 46 are fixedly provided with protection rings 47, the inside of the two protection rings 47 is provided with air pumps 48, the two air pumps 48 are respectively connected with the two side discs 46, the two air pumps 48 are provided with air bags 49, after the two ends of the PHC pipe pile are fixed, the two air pumps 48 can be started at the moment, the air bags 48 blow into the air bags 49 under the action of the two air pumps 48, at the moment, the air bags 49 expand inside the PHC pipe pile, and then the two ends of the PHC pipe pile are blocked, so that the pipe pile is not easy to blow due to different stress, the pipe pile is easy to swing, and the stability during the lifting of the PHC pipe pile is effectively ensured;
The two second screw rods 41 are respectively and slidably provided with a slip ring 51, limiting blocks 52 are respectively and fixedly arranged in the inner walls of the two slip rings 51, two groups of limiting blocks 52 are respectively and slidably arranged in the two groups of sliding grooves 42, one ends of the two slip rings 51, which are opposite, are respectively and fixedly provided with a connecting frame 53, two fixed discs 45 are respectively and rotatably arranged in the two connecting frames 53, arc-shaped sheets 54 are equally spaced on the two side discs 46, slots 55 are respectively arranged in each arc-shaped sheet 54, wedge-shaped fixing pieces 56 are respectively arranged on each arc-shaped sheet 54, inserting rods 57 are respectively and fixedly arranged on each wedge-shaped fixing piece 56, second springs 58 are respectively and fixedly arranged on each inserting rod 57, one end of each second spring 58, which is far away from each inserting rod 57, is respectively and fixedly connected with each arc-shaped sheet 54, a controller can be designed on the central disc 11, an oil cylinder 43 and an air pump 48 in the equipment are electrically connected with the controller and controlled by the controller, when in use, the marine crane hook can be hung in the connecting ring 17 in the connecting piece 15, then the equipment is integrally moved to a place to be hoisted, at the moment, the two supporting frames 26 are contacted with the ground to support the equipment, then the two adjusting rods 31 can relatively move on the two first screw rods 24, the supporting plates 34 are driven to move along with the movement of the two adjusting rods 31, meanwhile, the second screw rods 41 are driven to move along with the movement of the adjusting rods 31, when the two second screw rods 41 are inserted into the two ends of the PHC pipe pile along with the movement of the adjusting rods, at the moment, the two adjusting rods 31 can be fixed by rotating the two sets of threaded rings 25 on the two first screw rods 24, at the moment, the two oil cylinders 43 can be synchronously started, the two electric telescopic rods 44 are driven to stretch under the action of the two oil cylinders 43, and the fixing discs 45 are driven to move along with the stretch of the two electric telescopic rods 44, at this time, the two fixing plates 45 will push the two connecting frames 53 to move towards the middle, the two sliding rings 51 will be driven to move towards the middle on the two second screws 41 by the movement of the two connecting frames 53, the two wedge-shaped fixing pieces 56 will be extruded by the movement of the two sliding rings 51, the two wedge-shaped fixing pieces 56 will be expanded outwards at this time, the inserting rod 57 will be driven to slide in the slot 55 by the sliding of the wedge-shaped fixing pieces 56, the second springs 58 will be compressed at this time, and the inner wall of the PHC pipe pile will be fixed synchronously by four directions by the action of the two wedge-shaped fixing pieces 56, so that the stress of the PHC pipe pile is more uniform when the PHC pipe pile is fixed, and compared with the traditional lifting equipment, the connection stability of the PHC pipe pile and the equipment in the equipment is greatly improved, and the PHC pipe pile will not slip off from the equipment.
Working principle:
In the first step, the marine crane hook can be suspended in the connecting ring 17 in the connecting piece 15, the equipment is moved to the place to be hoisted, at the moment, the two supporting frames 26 are contacted with the ground to support the equipment, then the two adjusting rods 31 can be moved relatively on the two first screw rods 24, the supporting plate 34 is driven to move along with the movement of the two adjusting rods 31, the second screw rods 41 are driven to move along with the movement of the adjusting rods 31, when the two second screw rods 41 are inserted into the two ends of the PHC pipe pile along with the movement of the adjusting rods, the two adjusting rods 31 can be fixed by rotating the two sets of threaded rings 25 on the two first screw rods 24, at the moment, the two oil cylinders 43 can be started synchronously, the two electric telescopic rods 44 are driven to stretch out and draw back under the action of the two oil cylinders 43, the fixing disc 45 is driven to move along with the expansion of the two electric expansion rods 44, at the moment, the two fixing discs 45 push the two connecting frames 53 to move towards the middle part, the two sliding rings 51 are driven to move towards the middle part on the two second screw rods 41 by the movement of the two connecting frames 53, the two wedge-shaped fixing pieces 56 are extruded by the movement of the two sliding rings 51, at the moment, the two wedge-shaped fixing pieces 56 are expanded outwards by extrusion force, the inserting rod 57 is driven to slide in the slot 55 by the sliding of the wedge-shaped fixing pieces 56, at the moment, the second springs 58 are compressed, the PHC pipe pile inner wall is synchronously fixed by four directions under the action of the two wedge-shaped fixing pieces 56, so that the stress of the PHC pipe pile is more uniform when the PHC pipe pile is fixed, and the connection stability of the PHC pipe pile and the PHC pipe pile in the device is greatly improved compared with the traditional lifting device, the PHC pipe pile cannot slip off the equipment;
Secondly, after the two ends of the PHC pipe pile are fixed, two air pumps 48 can be started at the moment, air is blown into the air bags 49 under the action of the two air pumps 48, the air bags 49 expand in the PHC pipe pile at the moment, and then the two ends of the PHC pipe pile are plugged, so that the air is not easy to flow in the PHC pipe pile when the PHC pipe pile is lifted at sea, the pipe pile swings due to different stress, and the stability of the pipe pile in lifting is effectively ensured;
thirdly, due to the fact that the positions of the gravity center points of PHC pipe piles of different specifications are different, the phenomenon that the PHC pipe piles are easily inclined due to the influence of gravity can be known in advance when the PHC pipe piles are lifted at sea, then the gravity weight positions of the PHC pipe piles can be roughly adjusted before the PHC pipe piles are lifted, and then the installation positions of the PHC pipe piles can be finely adjusted by rotating two second screws 41 inside the two adjusting rods 31, so that the PHC pipe piles can be kept at the middle positions with the gravity center points of the equipment body, the stress of four lifting ropes 18 is relatively uniform, and the problem that the PHC pipe piles are broken in the lifting process is not easy to occur;
Fourthly, by designing four hoisting ropes 18, when the hoisting ropes 18 are worn after the equipment is used for a long time, the possibility of breakage occurs in the hoisting process, and when the hoisting ropes 18 are broken, the central disc 11 loses traction, at the moment, the central disc 11 slides down on the central column 12, at the moment, the gravity of the central disc 11 acts on the first springs 14, and then the first springs 14 are extruded to deform, at the moment, the chassis 13 limits the central disc 11, so that the equipment is effectively prevented from falling, and the use safety of the equipment is ensured;
Fifth, through the design of the inner roller 23, when the equipment is placed on the ground, at this moment, the sliding blocks 33 on the adjusting rods 31 are in contact with the inner roller 23, at this moment, when the adjusting rods 31 are moved in the cross grooves 22, the sliding blocks 33 on the adjusting rods 31 roll on the inner roller 23, at this moment, the inner roller 23 plays a role of boosting, so that the movement of the adjusting rods 31 can be lighter, when the PHC pipe pile is installed and then lifted, the central disc 11 can drive the side rods 21 to move along with the inner roller, at this moment, the sliding blocks 33 are changed from being in contact with the inner roller 23 to being in contact with the upper end parts of the inner walls of the cross grooves 22 under the movement of the side rods 21, at this moment, the two side rods 21 are also in synchronous contact with the two groups of supporting plates 34, at this moment, the gravity of the PHC pipe pile originally borne by the two adjusting rods 31 is distributed to the two groups of supporting plates 34 during lifting, and the bearing area of stress is increased, the whole stress is uniform during lifting, and the whole lifting effect of the equipment is enhanced.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a PHC tubular pile overhead hoist, includes center dish (11), inside slidable mounting of center dish (11) has center post (12), tip fixed mounting has chassis (13) under center post (12), tip fixed mounting has first spring (14) on chassis (13), first spring (14) cover is established on center post (12) and upper end and center dish (11) fixed connection, its characterized in that: a connecting piece (15) is fixedly arranged at the upper end part of the central column (12), a limiting groove (16) is formed in the connecting piece (15), and a connecting ring (17) is rotatably arranged in the limiting groove (16);
Lifting ropes (18) are uniformly and equidistantly fixedly arranged between the central disc (11) and the connecting piece (15), and four lifting ropes (18) surround the periphery of the central column (12);
The side wall of the central disc (11) is symmetrically and fixedly provided with fixing mechanisms;
The fixing mechanism comprises side rods (21), the two side rods (21) are symmetrically and fixedly arranged on the side wall of the central disc (11), cross grooves (22) are formed in the side rods (21), and inner rollers (23) are uniformly and equidistantly arranged in the cross grooves (22).
2. The PHC pile hoist according to claim 1, characterized in that the upper ends of both side bars (21) are fixedly fitted with first screws (24);
wherein, two first screw rods (24) are symmetrically provided with thread rings (25) in a thread way.
3. The PHC pipe pile lifting device according to claim 2, wherein the lower end parts of the two side rods (21) are fixedly provided with supporting frames (26), and side strips (27) are fixedly arranged on the side walls of the two sides of the two supporting frames (26);
Wherein, both groups of side bars (27) are provided with swinging mass blocks (28).
4. The PHC pipe pile lifting device according to claim 2, wherein the two cross grooves (22) are internally provided with adjusting rods (31) in a sliding manner, the two adjusting rods (31) are internally provided with inner grooves (32), and the two first screws (24) are respectively and slidably arranged in the two inner grooves (32);
the sliding blocks (33) are symmetrically and fixedly arranged on the side walls of the two adjusting rods (31), and the two groups of sliding blocks (33) are respectively and slidably arranged in the two groups of cross grooves (22).
5. The PHC pile hoist according to claim 4, characterized in that the two sets of sliders (33) are separated from the upper ends of the inner walls of the two sets of cross grooves (22) and are attached to the two sets of inner rollers (23);
Wherein, two the inside symmetry of adjusting pole (31) is fixed mounting has backup pad (34), two backup pad (34) are located respectively two side lever (21) top.
6. The PHC pipe pile lifting device according to claim 5, wherein the two adjusting rods (31) are internally provided with second screw rods (41) in a threaded manner, the side walls of the two second screw rods (41) are provided with sliding grooves (42), and the two second screw rods (41) are fixedly provided with oil cylinders (43);
Wherein, two electric telescopic rods (44) are fixedly arranged at the output ends of the oil cylinders (43), and fixed discs (45) are fixedly arranged at the electric telescopic rods (44).
7. The PHC pile lifting device according to claim 6, wherein side plates (46) are fixedly mounted on opposite ends of the two second screws (41), and guard rings (47) are fixedly mounted on opposite ends of the two side plates (46);
Wherein, two the protection ring (47) are inside all to be provided with air pump (48), two air pump (48) are connected with two side dish (46) respectively, and two all be provided with gasbag (49) on air pump (48).
8. The PHC pipe pile lifting device according to claim 6, wherein slip rings (51) are slidably mounted on the two second screws (41), limiting blocks (52) are fixedly mounted in the inner walls of the two slip rings (51), and the two limiting blocks (52) are slidably mounted in the two sliding grooves (42) respectively;
The two slip rings (51) are fixedly arranged at one ends, which are away from each other, of the slip rings (51), and the two fixed discs (45) are respectively and rotatably arranged in the two connecting frames (53).
9. The PHC pile lifting device according to claim 7, wherein arc-shaped pieces (54) are mounted on the two side plates (46) at equal intervals, and slots (55) are formed in each arc-shaped piece (54);
Wherein, each arc piece (54) is provided with a wedge-shaped fixing piece (56).
10. The PHC pile hoist of claim 9, characterized in that each wedge-shaped fixing member (56) is fixedly provided with a plug rod (57), and each plug rod (57) is fixedly provided with a second spring (58);
one end of each second spring (58) far away from the inserted link (57) is fixedly connected with each arc-shaped piece (54) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410642239.2A CN118220994B (en) | 2024-05-23 | 2024-05-23 | PHC tubular pile overhead hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN118220994B (en) | 2024-07-23 |
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