CN117230795A - Ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking equipment - Google Patents

Abstract

The invention relates to the technical field of pile sinking, and discloses ultra-long prestressed pipe pile limiting and hydraulic impact hammer pile sinking equipment, which comprises a pile sinking limiting frame, a hydraulic impact hammer and a crane; a plurality of hoops surrounding the ultra-long prestressed pipe pile are arranged on the pile sinking limiting frame; the hydraulic impact hammer is arranged above the ultra-long prestressed pipe pile, the crane is connected with a main lifting hook and an auxiliary lifting hook, the main lifting hook is connected with a main sling through a main sling, and the main sling is sleeved on the periphery of the ultra-long prestressed pipe pile; the auxiliary lifting hook is connected with an auxiliary sling through an auxiliary lifting rope, and the auxiliary sling surrounds the periphery of the ultra-long prestressed pipe pile; the crane utilizes main lifting hook and auxiliary lifting hook to hang the overlength prestressing force tubular pile that will be the horizontality from stacking the district to the hoist and mount district, and rethread is received and is drawn main lifting hook up, and auxiliary lifting hook stops to receive and draw, until hang the overlength prestressing force tubular pile that will be the verticality to the top of stake position, the rethread staple bolt is fixed, control overlength prestressing force tubular pile straightness, and the rethread hydraulic pressure jump bit punching press can be with overlength prestressing force tubular pile sinking.

Description

Ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking equipment

Technical Field

The invention relates to the technical field of pile sinking, in particular to ultra-long prestressed pipe pile limiting and hydraulic impact hammer pile sinking equipment.

Background

At present, the pile sinking of the prestressed pipe pile generally adopts two construction processes of hammering and static pressure. The hammering method is usually integrated by installing a pile hammer on a pile driving frame (pile driving limit frame), hammering and pile driving are carried out on the prestressed pipe pile, and the maximum pile driving depth depends on the effective height of the pile driving frame after the pile hammer is installed.

According to the designed pile diameter, pile length and the condition of the existing construction equipment, a conventional pile driving frame is adopted to drive piles, a plurality of sections of short prestressed pipe piles are driven into pile positions for many times, the prestressed pipe piles of adjacent sections are mutually aligned and fixed through welding, but when the prestressed pipe piles are positioned in a complex sea-filling land area, the prestressed pipe piles of the adjacent sections are easily corroded by seawater and underground water, and the pile forming quality is affected.

In the prior art, in order to solve the problems, the problem that the joint is easy to erode is solved by adopting the ultra-long prestressed pipe pile, but the effective height of the pile driving frame is limited, so that the construction of the ultra-long prestressed pipe pile cannot be performed, and a large pile driving frame side with the upright post as high as 40m is required to be selected to meet the construction requirement of the project; however, the construction safety of the oversized pile driving frame is poor, the whole plane size is large, the weight is large, for the weak stratum and long and narrow site of the complicated sea-filling land area, the pile sinking work is difficult to smoothly develop, when the static pressure method is adopted for construction, the static pressure provided by the static pressure pile machine is limited due to the requirement that the whole section of the ultra-long pipe pile is sunk once, the pile static pressure value requirement of the ultra-long prestressed pipe pile is difficult to meet, meanwhile, the weak stratum of the complicated sea-filling land area is replaced before construction, a certain amount of stones are distributed at the upper part, and the static pressure process is easy to be blocked. Therefore, the problem that the ultra-long prestressed pipe pile in the complicated sea-filling land area is difficult to sink is solved.

Disclosure of Invention

The invention aims to provide ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking equipment, and aims to solve the problem that in the prior art, an ultra-long prestressed pipe pile in a complex sea-filling land area is difficult to sink.

The invention is realized in such a way that the ultra-long prestressed pipe pile limiting and hydraulic impact hammer pile sinking equipment comprises a pile sinking limiting frame which is longitudinally arranged, a hydraulic impact hammer which impacts the ultra-long prestressed pipe pile into a stratum from top to bottom, and a crane which lifts the ultra-long prestressed pipe pile into a vertical shape and lifts the ultra-long prestressed pipe pile to the position above a pile position;

the pile sinking limiting frame is provided with a plurality of hoops encircling the ultra-long prestressed pipe pile, the hoops are arranged at intervals up and down along the pile sinking limiting frame, and after the hoops encircling the ultra-long prestressed pipe pile, the ultra-long prestressed pipe pile and the pile position are coaxially arranged up and down;

the hydraulic impact hammer is arranged above the pile position and is positioned above the ultra-long prestressed pipe pile, and the bottom of the hydraulic impact hammer is provided with a connector connected to the top of the ultra-long prestressed pipe pile; the crane is connected with a main lifting hook and an auxiliary lifting hook, the main lifting hook is connected with a main sling through a main sling, and the main sling is sleeved on the periphery of the ultra-long prestressed pipe pile; the auxiliary lifting hook is connected with an auxiliary sling through an auxiliary sling, and the auxiliary sling surrounds the periphery of the ultra-long prestressed pipe pile;

the crane utilizes main lifting hook and auxiliary lifting hook to hang the overlength prestressing force tubular pile that will be the horizontality from stacking the district to the hoist and mount district, receive upwards again and draw main lifting hook, auxiliary lifting hook stops to receive and draw, auxiliary lifting rope is lax form, main lifting rope hangs and draws overlength prestressing force tubular pile to be the plumb form, and will be the overlength prestressing force tubular pile of plumb form and hang to the top of stake position.

Optionally, the pile sinking limit frame comprises a horizontal base and a stand column arranged at the front end of the base, and the stand columns are longitudinally arranged; the anchor ear is the level form and sets up on the stand, and along the direction of height interval arrangement of stand.

Optionally, an upper stay bar is arranged on the base, the upper end of the upper stay bar is abutted to the upper end of the upright post, and the lower end of the upper stay bar is abutted to the rear end of the base; the upper stay bar is connected with a lower stay bar, the upper end of the lower stay bar is abutted to the middle of the upper stay bar, and the lower end of the lower stay bar is abutted to the lower end of the upright post.

Optionally, the multiple anchor clamps include fixed anchor clamps and move anchor clamps along the stand column to reciprocate, there are hollow areas for overlength prestressed pipe piles to pass in the fixed anchor clamps and moving anchor clamps respectively, the said moving anchor clamps are set up above fixed anchor clamps;

and when the hydraulic impact hammer impacts the ultra-long prestressed pipe pile from top to bottom to sink into the stratum, the movable anchor ear and the ultra-long prestressed pipe pile synchronously move downwards.

Optionally, the fixed anchor ear and the movable anchor ear have the same structure and comprise an end head, a fixed semicircle section and a swinging semicircle section; the end head is connected to the middle part of the fixed semicircular section, one end of the swinging semicircular section is hinged with one end of the fixed semicircular section, and the other end of the fixed semicircular section is detachably connected with the other end of the swinging semicircular section;

and after the other end of the swinging semicircular section swings to be in butt joint with the other end of the fixed semicircular section, the fixed semicircular section and the swinging semicircular section are enclosed to form the hollow area.

Optionally, after the other end of the swinging semicircular section swings to butt joint with the other end of the fixed semicircular section, a bolt is arranged between the other end of the swinging semicircular section and the other end of the fixed semicircular section in a penetrating manner, and the bolt relatively fixes the other end of the swinging semicircular section and the other end of the fixed semicircular section.

Optionally, a traction rope is connected to the bottom of the ultra-long prestressed pipe pile, and when the crane lifts the ultra-long prestressed pipe pile, the crane guides the direction of the ultra-long prestressed pipe pile by pulling the traction rope.

Optionally, the upper part of the ultra-long prestressed pipe pile is sleeved with two main slings, the two main slings are arranged at intervals, and the lower part of the ultra-long prestressed pipe pile is sleeved with one auxiliary sling;

the two main slings and the auxiliary slings are respectively connected with an automatic rope-releasing device, the main lifting hook is connected with two main lifting ropes, the two main lifting ropes are respectively connected with the automatic rope-releasing devices on the two main slings correspondingly, and the auxiliary lifting rope on the auxiliary lifting hook is connected with the automatic rope-releasing device on the auxiliary sling.

Optionally, the automatic rope-releasing device comprises a lifting head and a lifting ring, wherein the lifting ring is connected to the upper part of the lifting head, the lower part of the lifting head is provided with a surrounding area with an opening at the bottom, and the top of the surrounding area is closed; the lower part of the lifting head is provided with a pin shaft which moves transversely, when two ends of the pin shaft are arranged in the lifting head in a penetrating way, the bottom opening is closed by the pin shaft, and when the pin shaft moves transversely away from the lifting head, the bottom opening is opened;

the structure of the main sling is consistent with that of the auxiliary sling, the main sling comprises a loop part sleeved on the periphery of the ultra-long prestressed pipe pile, one end of the loop part penetrates through the other end of the loop part so that the loop part forms a surrounding shape, and one end of the loop part is provided with a ferrule; the pin shaft penetrates through the ferrule, the ferrule penetrates through the enclosing area, the pin shaft seals the bottom opening of the enclosing area, and the ferrule and the lifting head are combined into a whole;

when the main lifting hook is used for lifting the ultra-long prestressed pipe pile in a pulling way, the loop part is tightened and pressed on the periphery of the ultra-long prestressed pipe pile, and is fixed relative to the ultra-long prestressed pipe pile; when the pin shaft moves away from the lifting head, the bottom opening is opened, the pin shaft is separated from the ferrule, the ferrule is separated from the enclosing area, and the loop part is in a loose shape;

the outer side of the lifting head is provided with an outer side barrel, the pin shaft is provided with an extension section which is movably penetrated in the outer side barrel, the extension section is connected with a steel cable, and the pin shaft is moved away from the lifting head by pulling the steel cable, so that the pin shaft opens a bottom opening of the enclosing area.

Optionally, the middle part of the sleeving part comprises two separation sections which are arranged at intervals up and down, the end parts of the two separation sections are integrated into a whole, and the middle parts of the two separation sections are arranged at intervals up and down to form separation intervals; a plurality of longitudinally arranged elastic strips are arranged in the separation interval, and two ends of each elastic strip are respectively butted on the two separation sections;

the elastic strip is provided with an inward side wall facing the ultra-long prestressed pipe pile and an outward side wall facing away from the ultra-long prestressed pipe pile, a plurality of non-deformable hard sheets are covered on the outward side wall, and the hard sheets are arranged at intervals along the length direction of the elastic strip;

in the construction step 3), when the main hook pulls up and lifts up the super-long prestressed pipe pile, the two separation sections are propped against the outer side wall of the super-long prestressed pipe pile, a gap is reserved between the inward side wall and the outer side wall of the super-long prestressed pipe pile, the elastic strip limits the relative movement of the two separation sections, and the hard piece limits the outward bending deformation of the elastic strip.

Compared with the prior art _， According to the ultra-long prestressed pipe pile limiting and hydraulic impact hammer pile sinking equipment, the horizontal ultra-long prestressed pipe pile is lifted from a stacking area to a hoisting area by utilizing the main lifting hook and the auxiliary lifting hook through the crane, the main lifting hook is pulled upwards, the auxiliary lifting hook stops pulling, the auxiliary lifting rope is in a loose shape, the main lifting hook lifts the ultra-long prestressed pipe pile to be vertical, the vertical ultra-long prestressed pipe pile is lifted above a pile position, the plurality of anchor hoops encircle the periphery of the ultra-long prestressed pipe pile, the verticality of the ultra-long prestressed pipe pile in the pile sinking process is controlled through the anchor hoops, the hydraulic impact hammer is lifted above the ultra-long prestressed pipe pile, and then the ultra-long prestressed pipe pile is impacted by the hydraulic impact hammer.

Drawings

Fig. 1 is a schematic front view of a pile sinking limit frame and an ultra-long prestressed pipe pile provided by the invention;

fig. 2 is a schematic front view of a pile sinking limit frame and an ultra-long prestressed pipe pile provided by the invention;

fig. 3 is a schematic perspective view of a fixed or mobile anchor ear provided by the present invention;

fig. 4 is a schematic front view of each component of the hydraulic impact hammer provided by the invention;

FIG. 5 is a schematic front view of a main sling, a secondary sling, a hauling rope, an ultra-long prestressed pipe pile and a pulling head according to the present invention;

FIG. 6 is a schematic perspective view of an automatic rope unwinder provided by the present invention;

FIG. 7 is a schematic perspective view of a pull head according to the present invention;

FIG. 8 is a schematic perspective view of a main sling according to the present invention;

fig. 9 is a partial schematic view of a main sling according to the invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The implementation of the present invention will be described in detail below with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-9, a preferred embodiment of the present invention is provided.

The invention provides a device for limiting an ultra-long prestressed pipe pile 200 and sinking a hydraulic impact hammer, which comprises a pile sinking limiting frame 100 which is longitudinally arranged, a hydraulic impact hammer 300 which impacts the ultra-long prestressed pipe pile 200 into a stratum from top to bottom, and a crane which lifts the ultra-long prestressed pipe pile 200 into a vertical shape and lifts the ultra-long prestressed pipe pile 200 to a position above a pile position;

the pile sinking limit frame 100 is provided with a plurality of hoops encircling the ultra-long prestressed pipe pile 200, the hoops are arranged at intervals up and down along the pile sinking limit frame 100, and after the ultra-long prestressed pipe pile 200 is embraced by the hoops, the ultra-long prestressed pipe pile 200 and a pile position are coaxially arranged up and down;

the hydraulic impact hammer 300 is arranged above the pile position and above the ultra-long prestressed pipe pile 200, and the bottom of the hydraulic impact hammer 300 is provided with a connector connected to the top of the ultra-long prestressed pipe pile 200; the crane is connected with a main lifting hook and an auxiliary lifting hook, the main lifting hook is connected with a main sling 210 through a main sling rope, and the main sling 210 is sleeved on the periphery of the ultra-long prestressed pipe pile 200 in a ring manner; the auxiliary lifting hook is connected with the auxiliary sling 220 through an auxiliary lifting rope, and the auxiliary sling 220 surrounds the periphery of the ultra-long prestressed pipe pile 200;

the crane utilizes main lifting hook and auxiliary lifting hook to hang the overlength prestressing force tubular pile 200 that will be the horizontality from stacking the district to the hoist and mount district, receive and draw the main lifting hook up again, and auxiliary lifting hook stops to receive and draw, and auxiliary lifting rope is lax form, and main lifting rope hangs and draws overlength prestressing force tubular pile 200 to be the plumb form, and hangs overlength prestressing force tubular pile 200 to the top of stake position that is the plumb form.

According to the device for limiting the ultra-long prestressed pipe pile 200 and sinking the hydraulic impact hammer, the crane is used for lifting the horizontal ultra-long prestressed pipe pile 200 from the stacking area to the lifting area by using the main lifting hook and the auxiliary lifting hook, the main lifting hook is upwards pulled, the auxiliary lifting hook stops pulling, the auxiliary lifting rope is in a loose state, the main lifting hook lifts the ultra-long prestressed pipe pile 200 to be vertical, the vertical ultra-long prestressed pipe pile 200 is lifted above the pile position, the plurality of anchor clamps encircle the periphery of the ultra-long prestressed pipe pile 200, the perpendicularity of the ultra-long prestressed pipe pile 200 in the pile sinking process is controlled by the anchor clamps, the hydraulic impact hammer 300 is lifted above the ultra-long prestressed pipe pile 200, and the hydraulic impact hammer 300 is used for impacting the ultra-long prestressed pipe pile 200 to sink the pile.

The hydraulic impact hammer 300 is provided with an oil cylinder 310, the oil cylinder 310 is connected with a hydraulic power station through an oil pipe 311, a piston rod 320 is arranged below the oil cylinder 310, the bottom of the piston rod 320 is connected with a hammer cap 330, and the hammer cap 330 impacts the ultra-long prestressed pipe pile 200 to sink the pile.

The pile sinking limit frame 100 comprises a horizontal base 120 and upright posts 110 arranged at the front end of the base 120, wherein the upright posts 110 are longitudinally arranged; the anchor ears are horizontally arranged on the upright post 110 and are arranged at intervals along the height direction of the upright post 110. In this way, the ultra-long prestressed pipe pile 200 passes through the plurality of anchor clamps, namely, the verticality of the axis of each anchor clamp can be controlled by controlling the verticality of the upright post 110, namely, the verticality of the ultra-long prestressed pipe pile 200 during pile sinking can be controlled, and the effect of pile sinking limit is achieved.

The base 120 is provided with an upper stay 111, the upper end of the upper stay 111 is abutted against the upper end of the upright post 110, and the lower end of the upper stay 111 is abutted against the rear end of the base 120; the upper stay 111 is connected with a lower stay 112, the upper end of the lower stay 112 is abutted against the middle part of the upper stay 111, and the lower end of the lower stay 112 is abutted against the lower end of the upright 110. In this way, the upper stay bar 111 is used for supporting the upright post 110, connecting the upright post 110 with the base 120, and the lower stay bar 112 is used for supporting the upper stay bar 111, so as to form triangle stability, and play a role in stabilizing and enhancing stability.

The plurality of hoops comprise a fixed hoop 102 and a movable hoop 101 which moves up and down along the upright post 110, hollow areas 106 for the ultra-long prestressed pipe piles 200 to pass through are respectively arranged in the fixed hoop 102 and the movable hoop 101, and the movable hoop 101 is arranged above the fixed hoop 102;

when the hydraulic impact hammer 300 impacts the ultra-long prestressed pipe pile 200 from top to bottom and sinks into the stratum, the movable anchor ear 101 and the ultra-long prestressed pipe pile 200 synchronously move downwards. In this way, the movable hoop 101 can move up and down along the upright post 110 through the winch, so that the movable hoop 101 can move downwards along with the ultra-long prestressed pipe pile 200 after the pile is continuously submerged to a certain depth, and the opposite fixed hoop 102 is arranged below the movable hoop 101 and in front of the base 120 and is closer to the ground.

The fixed anchor ear 102 has the same structure as the movable anchor ear 101 and comprises an end 103, a fixed semicircular section 104 and a swinging semicircular section 105; the end 103 is connected to the middle part of the fixed semicircular section 104, one end of the swinging semicircular section 105 is hinged with one end of the fixed semicircular section 104, and the other end of the fixed semicircular section 104 is detachably connected with the other end of the swinging semicircular section 105;

when the other end of the swinging semicircular section 105 swings to be in butt joint with the other end of the fixed semicircular section 104, a hollow area 106 is formed by enclosing the fixed semicircular section 104 and the swinging semicircular section 105. In this way, the ultra-long prestressed pipe pile 200 is conveniently installed in the hollow area 106, and the hollow area 106 can be formed by enclosing only the swinging semicircular section 105 and fixedly connecting the fixed semicircular section 104 and the swinging semicircular section 105, wherein, as a preferred embodiment, the diameter of the hollow area 106 is larger than the diameter of the ultra-long prestressed pipe pile 200 by 1cm.

When the other end of the swinging semicircular section 105 swings to be in butt joint with the other end of the fixed semicircular section 104, bolts 107 penetrate through the other end of the swinging semicircular section 105 and the other end of the fixed semicircular section 104, and the bolts 107 relatively fix the other end of the swinging semicircular section 105 and the other end of the fixed semicircular section 104. Thus, the disassembly connection can be realized through the bolts 107, namely, after the hollow area 106 is enclosed, the diameter of the hollow area 106 is fixed through the bolts 107, and then the pile sinking is limited.

The bottom of the ultra-long prestressed pipe pile 200 is connected with a traction rope 230, and when the crane lifts the ultra-long prestressed pipe pile 200, the direction of the ultra-long prestressed pipe pile 200 is guided by the pulling of the traction rope 230. In this way, the installation of the ultra-long pre-stressing pipe pile 200 in the hollow region 106 is facilitated, and the lifting of the ultra-long pre-stressing pipe pile 200 to be vertical is facilitated.

The upper part of the ultra-long prestressed pipe pile 200 is sleeved with two main slings 210, the two main slings 210 are arranged at intervals, and the lower part of the ultra-long prestressed pipe pile 200 is sleeved with a secondary sling 220;

the two main slings 210 and the auxiliary slings 220 are respectively connected with an automatic rope-releasing device, the main lifting hook is connected with two main lifting ropes, the two main lifting ropes are respectively connected with the automatic rope-releasing devices on the two main slings 210 correspondingly, and the auxiliary lifting rope on the auxiliary lifting hook is connected with the automatic rope-releasing device on the auxiliary sling 220.

In this way, the main lifting hook and the auxiliary lifting hook firstly lift the ultra-long prestressed pipe pile 200 to about 1.5m away from the ground, at this time, the auxiliary lifting hook stops pulling, the gravity center of the ultra-long prestressed pipe pile 200 moves downwards, then the main lifting hook continuously lifts upwards slowly, the gravity center of the ultra-long prestressed pipe pile 200 continues to move downwards, the whole body of the ultra-long prestressed pipe pile 200 gradually changes into a vertical shape, the bottom of the ultra-long prestressed pipe pile 200 is pulled by pulling the pulling rope 230 until the ultra-long prestressed pipe pile 200 is vertical, then the position of the ultra-long prestressed pipe pile 200 is adjusted, the center of the ultra-long prestressed pipe pile 200 is vertically aligned with the center of a pile position and is vertical, and finally the lifting tool (the main lifting rope 210 and the auxiliary lifting rope 220) can be taken down only by disconnecting through each automatic rope-releasing device.

The automatic rope-releasing device comprises a lifting head 410 and a lifting ring 420, wherein the lifting ring 420 is connected to the upper part of the lifting head 410, the lower part of the lifting head 410 is provided with a surrounding area 411 with an opening at the bottom, and the top of the surrounding area 411 is closed; the lower part of the lifting head 410 is provided with a pin shaft 412 which moves transversely, when two ends of the pin shaft 412 are penetrated in the lifting head 410, the pin shaft 412 seals the bottom opening, and when the pin shaft 412 moves transversely away from the lifting head 410, the bottom opening is opened;

the main sling 210 and the auxiliary sling 220 have the same structure and comprise a loop part sleeved on the periphery of the ultra-long prestressed pipe pile 200, one end of the loop part passes through the other end so that the loop part forms a surrounding shape, and one end of the loop part is provided with a ferrule 211; the pin shaft 412 passes through the ferrule 211, the ferrule 211 passes through the enclosing region 411, the pin shaft 412 seals the bottom opening of the enclosing region 411, and the ferrule 211 and the pulling head 410 are combined into a whole;

when the main lifting hook is used for lifting the ultra-long prestressed pipe pile 200, the loop part is tightened and pressed on the periphery of the ultra-long prestressed pipe pile 200, and is fixed relative to the ultra-long prestressed pipe pile 200; when the pin shaft 412 moves away from the pull head 410, the bottom opening is opened, the pin shaft 412 is separated from the ferrule 211, the ferrule 211 is separated from the enclosing area 411, and the loop part is loose;

the outside of carrying pull head 410 is equipped with outside section of thick bamboo, and round pin axle 412 has the activity and wears to establish the extension section in outside section of thick bamboo, is connected with steel cable 413 on the extension section, through pulling steel cable 413, moves round pin axle 412 and deviate from carrying pull head 410 to make round pin axle 412 open the bottom opening of enclosing region 411. In this way, the pin 412 is moved outwards by pulling the steel cable 413, and the control loop 211 is detached from the enclosing region 411, and the main sling 210 and the auxiliary sling 220 can be quickly removed under the action of gravity.

The middle part of the sleeving part comprises two separation sections 212 which are arranged at intervals up and down, the end parts of the two separation sections 212 are integrated into a whole, and the middle parts of the two separation sections 212 are arranged at intervals up and down to form separation intervals; a plurality of longitudinally arranged elastic strips 213 are arranged in the separation interval, and two ends of the elastic strips 213 are respectively butted on the two separation sections 212;

the elastic strip 213 has an inward side wall facing the ultra-long prestressed pipe pile 200 and an outward side wall facing away from the ultra-long prestressed pipe pile 200, and the outward side wall is covered with a plurality of non-deformable hard sheets 214, and the plurality of hard sheets 214 are arranged at intervals along the length direction of the elastic strip 213;

in the construction step 3), when the main hook pulls up the ultralong prestressed pipe pile 200, the two separation sections 212 are pressed against the outer side wall of the ultralong prestressed pipe pile 200, a gap is formed between the inner side wall and the outer side wall of the ultralong prestressed pipe pile 200, the elastic strip 213 limits the relative movement of the two separation sections 212, and the hard sheet 214 limits the outward bending deformation of the elastic strip 213. In this way, through the design of the separation sections 212, the contact area between the main sling 210 and the peripheral side wall of the ultra-long prestressed pipe pile 200 is increased, so that the main sling 210 and the ultra-long prestressed pipe pile 200 are in multi-position contact, meanwhile, the elastic strips 213 are arranged between the two separation sections 212, the two separation sections 212 are effectively limited to move towards each other or away from each other through the elastic strips 213, and the elastic strips 213 are limited to bend and deform outwards through the design of the hard sheet 214, so that the two separation sections 212 are limited to move towards each other, and the two separation sections 212 cannot move towards each other, so that the whole structure is compact and stable.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The device is characterized by comprising pile sinking limiting frames which are longitudinally arranged, a hydraulic impact hammer for impacting the ultra-long prestressed pipe pile into a stratum from top to bottom, and a crane for lifting the ultra-long prestressed pipe pile into a vertical shape and lifting the ultra-long prestressed pipe pile to the position above the pile;

the pile sinking limiting frame is provided with a plurality of hoops encircling the ultra-long prestressed pipe pile, the hoops are arranged at intervals up and down along the pile sinking limiting frame, and after the hoops encircling the ultra-long prestressed pipe pile, the ultra-long prestressed pipe pile and the pile position are coaxially arranged up and down;

the hydraulic impact hammer is arranged above the pile position and is positioned above the ultra-long prestressed pipe pile, and the bottom of the hydraulic impact hammer is provided with a connector connected to the top of the ultra-long prestressed pipe pile; the crane is connected with a main lifting hook and an auxiliary lifting hook, the main lifting hook is connected with a main sling through a main sling, and the main sling is sleeved on the periphery of the ultra-long prestressed pipe pile; the auxiliary lifting hook is connected with an auxiliary sling through an auxiliary sling, and the auxiliary sling surrounds the periphery of the ultra-long prestressed pipe pile;

the crane utilizes main lifting hook and auxiliary lifting hook to hang the overlength prestressing force tubular pile that will be the horizontality from stacking the district to the hoist and mount district, receive upwards again and draw main lifting hook, auxiliary lifting hook stops to receive and draw, auxiliary lifting rope is lax form, main lifting rope hangs and draws overlength prestressing force tubular pile to be the plumb form, and will be the overlength prestressing force tubular pile of plumb form and hang to the top of stake position.

2. The ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking device according to claim 1, wherein the pile sinking limiting frame comprises a horizontal base and a vertical column arranged at the front end of the base, and the vertical column is longitudinally arranged; the anchor ear is the level form and sets up on the stand, and along the direction of height interval arrangement of stand.

3. The ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking device according to claim 2, wherein an upper stay bar is arranged on the base, the upper end of the upper stay bar is abutted against the upper end of the upright post, and the lower end of the upper stay bar is abutted against the rear end of the base; the upper stay bar is connected with a lower stay bar, the upper end of the lower stay bar is abutted to the middle of the upper stay bar, and the lower end of the lower stay bar is abutted to the lower end of the upright post.

4. The device for limiting and sinking the ultra-long prestressed pipe pile by using the hydraulic ram according to claim 1, wherein the plurality of anchor clamps comprise a fixed anchor clamp and a movable anchor clamp which moves up and down along the upright, hollow areas for the ultra-long prestressed pipe pile to pass through are respectively arranged in the fixed anchor clamp and the movable anchor clamp, and the movable anchor clamp is arranged above the fixed anchor clamp;

and when the hydraulic impact hammer impacts the ultra-long prestressed pipe pile from top to bottom to sink into the stratum, the movable anchor ear and the ultra-long prestressed pipe pile synchronously move downwards.

5. The ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking device according to claim 4, wherein the fixed anchor ear and the movable anchor ear are identical in structure and comprise an end head, a fixed semicircular section and a swinging semicircular section; the end head is connected to the middle part of the fixed semicircular section, one end of the swinging semicircular section is hinged with one end of the fixed semicircular section, and the other end of the fixed semicircular section is detachably connected with the other end of the swinging semicircular section;

and after the other end of the swinging semicircular section swings to be in butt joint with the other end of the fixed semicircular section, the fixed semicircular section and the swinging semicircular section are enclosed to form the hollow area.

6. The ultra-long prestressed pipe pile spacing and hydraulic ram pile sinking device according to claim 5, wherein after the other end of the swinging semicircular section swings to be in butt joint with the other end of the fixed semicircular section, bolts penetrate through the other end of the swinging semicircular section and the other end of the fixed semicircular section, and the bolts relatively fix the other end of the swinging semicircular section and the other end of the fixed semicircular section.

7. The device for limiting and hydraulic ram pile sinking of the ultra-long prestressed pipe pile according to claim 1, wherein a traction rope is connected to the bottom of the ultra-long prestressed pipe pile, and when the crane lifts the ultra-long prestressed pipe pile, the direction of the ultra-long prestressed pipe pile is guided by pulling of the traction rope.

8. The device for limiting and sinking the ultra-long prestressed pipe pile by using the hydraulic impact hammer according to any one of claims 1 to 7, wherein two main slings are sleeved on the upper part of the ultra-long prestressed pipe pile, the two main slings are arranged at intervals, and one auxiliary sling is sleeved on the lower part of the ultra-long prestressed pipe pile;

the two main slings and the auxiliary slings are respectively connected with an automatic rope-releasing device, the main lifting hook is connected with two main lifting ropes, the two main lifting ropes are respectively connected with the automatic rope-releasing devices on the two main slings correspondingly, and the auxiliary lifting rope on the auxiliary lifting hook is connected with the automatic rope-releasing device on the auxiliary sling.

9. The ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking device according to claim 8, wherein the automatic rope stripper comprises a lifting head and a lifting ring, the lifting ring is connected to the upper part of the lifting head, the lower part of the lifting head is provided with a surrounding area with an opening at the bottom, and the top of the surrounding area is closed; the lower part of the lifting head is provided with a pin shaft which moves transversely, when two ends of the pin shaft are arranged in the lifting head in a penetrating way, the bottom opening is closed by the pin shaft, and when the pin shaft moves transversely away from the lifting head, the bottom opening is opened;

the structure of the main sling is consistent with that of the auxiliary sling, the main sling comprises a loop part sleeved on the periphery of the ultra-long prestressed pipe pile, one end of the loop part penetrates through the other end of the loop part so that the loop part forms a surrounding shape, and one end of the loop part is provided with a ferrule; the pin shaft penetrates through the ferrule, the ferrule penetrates through the enclosing area, the pin shaft seals the bottom opening of the enclosing area, and the ferrule and the lifting head are combined into a whole;

when the main lifting hook is used for lifting the ultra-long prestressed pipe pile in a pulling way, the loop part is tightened and pressed on the periphery of the ultra-long prestressed pipe pile, and is fixed relative to the ultra-long prestressed pipe pile; when the pin shaft moves away from the lifting head, the bottom opening is opened, the pin shaft is separated from the ferrule, the ferrule is separated from the enclosing area, and the loop part is in a loose shape;

the outer side of the lifting head is provided with an outer side barrel, the pin shaft is provided with an extension section which is movably penetrated in the outer side barrel, the extension section is connected with a steel cable, and the pin shaft is moved away from the lifting head by pulling the steel cable, so that the pin shaft opens a bottom opening of the enclosing area.

10. The ultra-long prestressed pipe pile limiting and hydraulic ram pile sinking device according to claim 9, wherein the middle part of the sleeving part comprises two separation sections which are arranged at intervals up and down, the end parts of the two separation sections are integrated into a whole, and the middle parts of the two separation sections are arranged at intervals up and down to form separation intervals; a plurality of longitudinally arranged elastic strips are arranged in the separation interval, and two ends of each elastic strip are respectively butted on the two separation sections;

the elastic strip is provided with an inward side wall facing the ultra-long prestressed pipe pile and an outward side wall facing away from the ultra-long prestressed pipe pile, a plurality of non-deformable hard sheets are covered on the outward side wall, and the hard sheets are arranged at intervals along the length direction of the elastic strip;

in the construction step 3), when the main hook pulls up and lifts up the super-long prestressed pipe pile, the two separation sections are propped against the outer side wall of the super-long prestressed pipe pile, a gap is reserved between the inward side wall and the outer side wall of the super-long prestressed pipe pile, the elastic strip limits the relative movement of the two separation sections, and the hard piece limits the outward bending deformation of the elastic strip.