CN221165582U - A lifting device for lifting large diameter concrete pipe pile sections - Google Patents

Abstract

The utility model relates to the technical field of slings, and discloses a large-diameter concrete pipe pile pipe section lifting sling, comprising: an upper longitudinal beam and a plurality of lower cross beams, wherein a lifting nose is symmetrically arranged on the top of the upper longitudinal beam. The large-diameter concrete pipe pile pipe section lifting sling, by arranging an upper longitudinal beam, a lower cross beam, a first steel wire rope, a second steel wire rope and a socket-type hook, uses a reserved grouting channel of the pipe section as a lifting point, inserts two socket-type special hooks at each end into the grouting channel of the pipe section before lifting the pipe section, docks the hook of the gantry crane with the lifting nose, lifts the upper longitudinal beam, lifts the lower cross beam by the first steel wire rope, and lifts the pipe section by the second steel wire rope and the socket-type hook, and clamps the socket-type hook in the grouting channel by the dead weight of the pipe section, and the lifting sling does not require an operator to tie the pipe section with steel wire ropes, and both ends of the pipe section are stressed at the same time, so that the lifting process of the pipe section is stable, and it is convenient to dock with the pipe section, and at the same time avoids the safety risk of unbalanced sliding of the pipe section when lifting the pipe section from the bottom.

Description

Lifting sling for hoisting large-diameter concrete pipe pile pipe section

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to a lifting appliance for lifting a pipe section of a large-diameter concrete pipe pile.

Background

At present, the construction of water transport infrastructure in China is still in a rapid development stage, and most types adopt high-pile wharfs, wherein the high-pile wharfs consist of upper structures (pile platforms or bearing platforms), pile foundations and the like. The pile foundation of the wharf is basically a post-tensioning prestressed steel strand concrete large-diameter pipe pile (large pipe pile for short), the large pipe pile is produced by a post-tensioning process, the process is divided into two parts of concrete pipe joint production and pipe joint assembly, the post-Zhang Fada diameter pipe pile is formed by assembling concrete pipe joints through the process means of tensioning prestressed steel strands, pouring cement paste and the like, the length of a single pipe joint is 4m, and the pile diameter of the common pipe pile is 1200mm.

When pile body is spliced, the pipe sections are lifted to splicing lines through the gantry crane, the hanging hooks cannot be preset on the pipe sections of the post-tensioning prestressed steel strand concrete large-diameter pipe piles, bottom hanging or core penetrating hanging can be adopted, the steel wire ropes are inconvenient to bind due to the fact that the pipe sections of the concrete pipe piles are short and large in diameter, the time consumption is long, the requirement on balance is high due to the bottom hanging, and the steel wire ropes are easy to slip off and have certain dangerousness.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a lifting sling for a pipe joint of a large-diameter concrete pipe pile, which solves the problems mentioned in the background.

The utility model provides the following technical scheme: a large diameter concrete pipe pile pipe section lifting sling, comprising: go up longeron and a plurality of bottom end rail, the top symmetry of going up the longeron is provided with the hanging nose, the both sides of going up the longeron all are provided with a plurality of anticreep hooks, every the equal symmetry in top of bottom end rail is provided with first lug, every the equal symmetry in bottom of bottom end rail is provided with the second lug, be provided with first wire rope between anticreep hook and the first lug, install second wire rope on the second lug, second wire rope's one end is provided with socket joint formula lifting hook, a plurality of U type buckles are all installed to first wire rope and second wire rope's surface.

Preferably, the anti-falling hook comprises a butt-joint hook and an anti-falling rod, the butt-joint hook is welded on the side face of the upper longitudinal beam, and the anti-falling rod is arranged on the butt-joint hook.

Preferably, the upper longitudinal beam is two sections of first channel steel welded together in a butt joint mode, and one of the first channel steel is welded at the bottom of the hanging nose.

Preferably, the lower beam is two sections of second channel steel welded together in a butt joint mode, and the first lifting lug and the second lifting lug are welded on the surfaces of the two sections of channel steel respectively.

Preferably, the hanging nose comprises round steel, steel plates are welded at two ends of the round steel, and the steel plates are welded at the top of the upper longitudinal beam.

Preferably, the socket type lifting hook comprises a hanging buckle, a connecting arm and a bolt, wherein the hanging buckle is arranged at the top end of the connecting arm, the bolt is arranged at the bottom end of the connecting arm, and the bolt and the connecting arm are mutually perpendicular.

Preferably, the first pulley is installed to first lug inner wall, the one end of first wire rope hangs and establishes on the unhook, the other end of first wire rope is connected with the inner wall rotation of first lug through first pulley.

Preferably, the second pulley is installed to second lug inner wall, the one end of second wire rope passes through the inner wall rotation of the pulley of second pulley and second lug and is connected, the other end of second wire rope is connected on socket joint formula lifting hook.

Compared with the prior art, the utility model has the following beneficial effects:

1. This major diameter concrete pipe pile pipe section handling hoist, through setting up longeron, the bottom end rail, first wire rope, second wire rope and socket joint formula lifting hook, utilize the pipe section to reserve the grout pore as the hoisting point, it is intraductal to insert two special lifting hooks of socket joint formula at every end before the pipe section lifts by crane, the lifting hook and the nose butt joint of portal crane lift up the longeron, go up the longeron and lift up the bottom end rail through first wire rope, the bottom end rail passes through second wire rope and socket joint formula lifting hook and lifts up the pipe section, utilize the pipe section dead weight to make socket joint formula lifting hook chucking in the grout pore, the hoist need not operating personnel to carry out wire rope bundle to the pipe section, both ends pipe section atress simultaneously, make pipe section lift up the process steady, conveniently dock with the pipe section, the safety risk of the unbalanced landing of lifting pipe section at the bottom of the pocket has been avoided simultaneously.

2. This major diameter concrete pipe pile section handling hoist through setting up the anticreep hook, and first wire rope articulates in the butt joint hook, and the anticreep pole of installation on the anticreep hook can carry out spacing blocking to first wire rope, avoids first wire rope to drop, has reduced the potential safety hazard, improves the security of use.

3. This major diameter concrete pipe pile section handling hoist through setting up first lug, second lug, first pulley and second pulley, and first wire rope's the other end is rotated through the inner wall of first pulley and first lug and is connected, and second wire rope's one end is rotated through the inner wall of the pulley of second pulley and second lug and is connected, can make first wire rope and second wire rope's can carry out certain angle rotation when lifting by crane the pipe section, reduces hard drawing and wearing and tearing to first wire rope and second wire rope.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is an enlarged schematic view of the upper longitudinal beam of FIG. 1 in accordance with the present utility model;

FIG. 4 is an enlarged view of the structure of the female hook of the present utility model;

FIG. 5 is a schematic view of the structure of the present utility model at the position of the lower beam in FIG. 1;

Fig. 6 is a schematic view of the handling of a large-diameter concrete pipe pile section according to the present utility model.

In the figure: 1. an upper longitudinal beam; 101. a first channel steel; 2. a lower cross beam; 202. a second channel steel; 3. hanging a nose; 31. round steel; 32. a steel plate; 4. unhooking prevention; 41. a butt-joint hook; 42. an anti-drop rod; 5. a first lifting lug; 6. the second lifting lug; 7. a first wire rope; 8. a second wire rope; 9. a socket type lifting hook; 91. hanging buckle; 92. a connecting arm; 93. a plug pin; 10. u-shaped buckles; 11. a first pulley; 12. and a second pulley.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a lifting sling for a pipe joint of a large-diameter concrete pipe pile, comprising: the upper longitudinal beam 1 and a plurality of bottom end rails 2, the top symmetry of upper longitudinal beam 1 is provided with hanging nose 3, the both sides of upper longitudinal beam 1 all are provided with a plurality of unhook 4, the top of every bottom end rail 2 all is provided with first lug 5 symmetrically, the bottom of every bottom end rail 2 all is provided with second lug 6 symmetrically, be provided with first wire rope 7 between unhook 4 and the first lug 5, install second wire rope 8 on the second lug 6, the one end of second wire rope 8 is provided with socket joint lifting hook 9, a plurality of U type buckles 10 are all installed to the surface of first wire rope 7 and second wire rope 8.

Referring to fig. 3, the anti-falling hook 4 includes a butt-joint hook 41 and an anti-falling rod 42, the butt-joint hook 41 is welded on the side surface of the upper longitudinal beam 1, the anti-falling rod 42 is installed on the butt-joint hook 41, the first steel wire rope 7 is hung in the butt-joint hook 41, the anti-falling rod 42 installed on the anti-falling hook 4 can limit and block the first steel wire rope 7, the first steel wire rope 7 is prevented from falling off, potential safety hazards are reduced, and safety in the using process is improved.

The upper longitudinal beam 1 is two sections of first channel steel 101 welded together in a butt-buckling manner, one of the first channel steel 101 is welded at the bottom of the hanging nose 3, the lower cross beam 2 is two sections of second channel steel 202 welded together in a butt-buckling manner, the first lifting lug 5 and the second lifting lug 6 are respectively welded on the surfaces of the two sections of channel steel, the hanging nose 3 comprises round steel 31, steel plates 32 are welded at two ends of the round steel 31, and the steel plates 32 are welded at the top of the upper longitudinal beam 1.

Referring to fig. 4, the socket type lifting hook 9 includes a lifting buckle 91, a connecting arm 92 and a plug pin 93, the lifting buckle 91 is installed at the top end of the connecting arm 92, the plug pin 93 is installed at the bottom end of the connecting arm 92, the plug pin 93 and the connecting arm 92 are mutually perpendicular, a grouting hole channel is reserved for a pipe joint to serve as a lifting point, and the plug pin 93 is inserted into the inner wall of the reserved grouting hole to be in butt joint with the pipe joint.

Referring to fig. 5, a first pulley 11 is installed on the inner wall of the first lifting lug 5, one end of the first steel wire rope 7 is hung on the anti-unhook 4, the other end of the first steel wire rope 7 is rotatably connected with the inner wall of the first lifting lug 5 through the first pulley 11, and the anti-unhook device is characterized in that a second pulley 12 is installed on the inner wall of the second lifting lug 6, one end of the second steel wire rope 8 is rotatably connected with the inner wall of the pulley of the second lifting lug 6 through the second pulley 12, the other end of the second steel wire rope 8 is connected on the socket type lifting hook 9, and when a pipe joint is lifted, the first steel wire rope 7 and the second steel wire rope 8 can rotate at a certain angle, so that hard pulling and abrasion to the first steel wire rope 7 and the second steel wire rope 8 are reduced.

Referring to fig. 6, the pipe joint uses a pipe joint reserved grouting hole channel as a lifting point, two socket type special lifting hooks at each end are inserted into the pipe joint grouting hole channel before the pipe joint is lifted, during lifting, the lifting hook of the gantry crane is abutted to the lifting nose 3, the upper longitudinal beam 1 is lifted, the upper longitudinal beam 1 drives the anti-unhooking hook 4 to move, the anti-unhooking hook 4 pulls the first steel wire rope 7, the first steel wire rope 7 lifts the lower cross beam 2, the other end of the first steel wire rope 7 is rotationally connected with the inner wall of the first lifting lug 5 through the first pulley 11, one end of the second steel wire rope 8 is rotationally connected with the inner wall of the pulley of the second lifting lug 6 through the second pulley 12, when the pipe joint is lifted, the first steel wire rope 7 and the second steel wire rope 8 can rotate at a certain angle, the hard pulling and abrasion to the first steel wire rope 7 and the second steel wire rope 8 are reduced, the lower cross beam 2 lifts the pipe joint through the second steel wire rope 8 and the socket type lifting hook 9, the socket type lifting hook 9 is enabled to lift the pipe joint in the grouting hole channel by using the self weight, an operator does not need to tie the pipe joint to be firmly, and the pipe joint is not required to be firmly held by a lifting worker, and the pipe joint is not stressed by the lifting joint is simultaneously, the pipe joint is not conveniently and the pipe joint is firmly and the pipe joint is not stressed and the pipe joint is simultaneously in a balanced.

It is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and further, that the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A large-diameter concrete pipe pile pipe section lifting and transporting device, characterized in that it comprises: an upper longitudinal beam (1) and a plurality of lower cross beams (2), the top of the upper longitudinal beam (1) is symmetrically provided with a lifting nose (3), both sides of the upper longitudinal beam (1) are provided with a plurality of anti-slip hooks (4), the top of each of the lower cross beams (2) is symmetrically provided with a first lifting ear (5), the bottom of each of the lower cross beams (2) is symmetrically provided with a second lifting ear (6), a first steel wire rope (7) is provided between the anti-slip hook (4) and the first lifting ear (5), a second steel wire rope (8) is installed on the second lifting ear (6), one end of the second steel wire rope (8) is provided with a socket-type lifting hook (9), and the surfaces of the first steel wire rope (7) and the second steel wire rope (8) are both provided with a plurality of U-shaped buckles (10). 2. A large-diameter concrete pipe pile section lifting and sling according to claim 1, characterized in that the anti-slip hook (4) includes a docking hook (41) and an anti-slip rod (42), the docking hook (41) is welded to the side of the upper longitudinal beam (1), and the anti-slip rod (42) is installed on the docking hook (41). 3. A large-diameter concrete pipe pile section lifting sling according to claim 1, characterized in that the upper longitudinal beam (1) is two sections of first channel steel (101) welded together, and one of the first channel steels (101) is welded to the bottom of the lifting nose (3). 4. A large-diameter concrete pipe pile section lifting sling according to claim 1, characterized in that the lower cross beam (2) is two sections of second channel steel (202) that are welded together by buckling, and the first lifting ear (5) and the second lifting ear (6) are respectively welded to the surfaces of the two sections of channel steel. 5. A large-diameter concrete pipe pile section lifting sling according to claim 1, characterized in that the lifting nose (3) comprises a round steel (31), both ends of the round steel (31) are welded with steel plates (32), and the steel plates (32) are welded to the top of the upper longitudinal beam (1). 6. A large-diameter concrete pipe pile section lifting sling according to claim 1, characterized in that the socket-type hook (9) includes a lifting buckle (91), a connecting arm (92) and a latch (93), the lifting buckle (91) is installed at the top end of the connecting arm (92), the latch (93) is installed at the bottom end of the connecting arm (92), and the latch (93) and the connecting arm (92) are arranged perpendicular to each other. 7. A large-diameter concrete pipe pile section lifting sling according to claim 6, characterized in that a first pulley (11) is installed on the inner wall of the first lifting ear (5), one end of the first steel wire rope (7) is hung on the anti-detachment hook (4), and the other end of the first steel wire rope (7) is rotatably connected to the inner wall of the first lifting ear (5) through the first pulley (11). 8. A large-diameter concrete pipe pile section lifting sling according to claim 1, characterized in that a second pulley (12) is installed on the inner wall of the second lifting ear (6), one end of the second steel wire rope (8) is rotatably connected to the inner wall of the pulley of the second lifting ear (6) through the second pulley (12), and the other end of the second steel wire rope (8) is connected to the socket-type hook (9).