CN216041120U

CN216041120U - Four corners pile stay rope formula anti ups and downs steel reinforcement cage

Info

Publication number: CN216041120U
Application number: CN202122481451.XU
Authority: CN
Inventors: 许淼鑫; 祁鹏; 王斌; 曹景忠; 武立杰; 张悦
Original assignee: Beijing Urban and Rural Construction Group Co Ltd
Current assignee: Beijing Urban and Rural Construction Group Co Ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-15
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to a four-corner piling guyed sinking-floating resisting reinforcement cage, which at least comprises: a reinforcement cage body to be hung in the pile hole casing; the positioning base is arranged on the outer side of the pile hole protecting barrel, the anti-sinking and anti-floating steel reinforcement cage further comprises at least one first lifting rope and at least one second lifting rope, the first lifting rope and the second lifting rope are arranged on the positioning base in pairs and form a plurality of pairs of lifting ropes which are arranged at intervals along the length extending direction of the positioning base, the first lifting rope and the second lifting rope are connected with the steel reinforcement cage body through a lifting hook assembly arranged at the free end of the rope body of the first lifting rope, so that the first lifting rope and the second lifting rope can be alternately connected to different height positions on the steel reinforcement cage body or released from different height positions on the steel reinforcement cage body, and under the condition that the lifting ropes release the tensile force on the steel reinforcement cage body, the lifting hook assembly releases the connection relation between the lifting hook assembly and the steel reinforcement cage body.

Description

Four corners pile stay rope formula anti ups and downs steel reinforcement cage

Technical Field

The utility model relates to the technical field of building pile foundations, in particular to a four-corner piling guyed sinking-resisting reinforcement cage.

Background

When the steel reinforcement cage is transferred in pile foundation drill way extension or all steel reinforcement cages transfer the completion after, all need carry out interim fixing to the steel reinforcement cage in the pile foundation drill way, ensure that the steel reinforcement cage transfers the degree of depth and plane location correct, to this, set up the device that is used for interim fixed at the pile foundation drill way usually at present, this interim fixing device is undertaking the weight of steel reinforcement cage, reach the uniform strength rear dismountable until pile foundation concrete, therefore, the interim fixing device in pile foundation drill way is as the interim atress device of steel reinforcement cage, there is important meaning in the pile foundation work progress.

The traditional steel reinforcement cage lowering construction adopts two modes of a shoulder pole method and a clamping plate method. The shoulder pole method is: the steel bar cage is placed downwards, the section steel is used as a carrying pole, the carrying pole penetrates through a hanging lug which is assembled in advance on the steel bar cage, the carrying pole is arranged on a protective cylinder or an original construction platform, and after the steel bar cage is carried, extension and other constructions are carried out. The plate clamping method is as follows: and by utilizing the clamping plate formed by machining, one side of the clamping plate is clamped at the top opening of the pile casing, and the other side of the clamping plate is hooked at the lifting point position on the steel reinforcement cage, and then subsequent construction is carried out.

The above construction method is limited in that: in the shoulder pole method, the load bearing of the shoulder pole is limited, the shoulder pole is easy to bend and deform, if the strength of the shoulder pole is increased, the carrying weight is increased, the shoulder pole needs to be extracted for many times during construction, and the operation is very inconvenient. In the clamping plate method, the condition that the pile casing is deformed and settled due to insufficient bearing is easily caused because the bearing is completely acted on the pile casing. Meanwhile, the clamping plate is rigidly supported, so that the condition that the stress of the reinforcement cage is uneven is easily caused.

In the prior art, for example, patent document with publication number CN110526153A proposes a lifting structure of a jack auxiliary pile foundation reinforcement cage and a construction method thereof, which comprises a reinforcement cage to be lifted into a pile hole casing, a positioning base connected to the periphery of the outer side of the pile hole casing, a group of jack devices connected to the positioning base, a support rod connected between the jack devices, and a crane connected with the upper part of the reinforcement cage through a lifting rope; the group of jack devices at least comprises four jack devices which are arranged in a cross shape; the supporting rods are connected between the vertical rods on the opposite jack devices. During construction, the jack device can assist a crane in bearing the reinforcement cage in the hoisting process and is beneficial to segmented assembly of the reinforcement cage; the positioning base is arranged, so that the integral performance of the jack fixing device is improved, and the fast installation and the cyclic utilization are facilitated; through the setting of bracing piece, do benefit to and undertake the weight of steel reinforcement cage, and the setting of bracing piece upper groove is convenient for spacing at steel reinforcement cage whereabouts in-process, and the bracing piece is connected so that the construction operation with the contact of pole setting.

However, the above technical solution requires a constructor to manually lift the support rod with a very large weight, and since the lifting height of the jack is limited, the constructor is required to repeatedly place and take out the support rod very frequently, and the working strength is high.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor has studied a lot of documents and patents when making the present invention, but the space is not limited to the details and contents listed in the above, however, the present invention is by no means free of the features of the prior art, but the present invention has been provided with all the features of the prior art, and the applicant reserves the right to increase the related prior art in the background.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the application provides a four corners pile stay rope formula anti sinking and floating steel reinforcement cage, includes at least: a reinforcement cage body to be hung in the pile hole casing; the positioning base is arranged on the outer side of the pile hole protecting barrel, the anti-sinking and anti-floating steel reinforcement cage further comprises at least one first lifting rope and at least one second lifting rope, the first lifting rope and the second lifting rope are arranged on the positioning base in pairs and form a plurality of pairs of lifting ropes which are arranged at intervals along the length extending direction of the positioning base, the first lifting rope and the second lifting rope are connected with the steel reinforcement cage body through a lifting hook assembly arranged at the free end of the rope body of the first lifting rope, so that the first lifting rope and the second lifting rope can be alternately connected to different height positions on the steel reinforcement cage body or released from different height positions on the steel reinforcement cage body, and under the condition that the lifting ropes release the tensile force on the steel reinforcement cage body, the lifting hook assembly releases the connection relation between the lifting hook assembly and the steel reinforcement cage body. This application is assisted the hoist through designing multiunit lifting rope on the one hand and is realized transferring the stability of steel reinforcement cage, and on the other hand lightly loads and unloads convenient advantage through the weight of lifting hook subassembly, has greatly alleviateed operating personnel's work burden to the required precision of assembly lifting rope is much lower than the assembly required precision who adopts the jack among the prior art, is favorable to improving the efficiency of construction.

According to a preferred embodiment, under the condition that the free ends corresponding to the first lifting ropes or the second lifting ropes are connected to the steel reinforcement cage body, the steel reinforcement cage body moves towards the pile hole protection barrel in a mode that the rope bodies which are not wound on the first lifting ropes or the second lifting ropes are extended by releasing the rope bodies which are at least partially corresponding to the first lifting ropes or the second lifting ropes and wound on the positioning base, and the free ends corresponding to the first lifting ropes or the second lifting ropes are subjected to the action of pulling force applied to the free ends by the steel reinforcement cage body, so that the rope bodies which are not wound are in a stretched straight state.

According to a preferred embodiment, at least part of the rope bodies of the first and second of the pair of lifting ropes are respectively wound at different positions of the positioning base, so that in the case that the rope body wound on the positioning base on any one of the lifting ropes of the pair of the at least partial pair of the lifting ropes is released to elongate the rope body not wound on the lifting rope, the other lifting rope of the pair of the lifting ropes can shorten the rope body not wound on the positioning base in a manner of increasing the winding amount of the rope body wound on the positioning base.

According to a preferred embodiment, the relative position of the steel reinforcement cage body in the pile hole casing is fixed under the condition that the hook assemblies of two first lifting ropes or second lifting ropes which are not adjacent to each other are connected to the steel reinforcement cage body, and the rolling amount of the rope body rolled on the positioning base corresponding to the lifting ropes connected to the steel reinforcement cage body is relatively fixed through the external force.

According to a preferred embodiment, the positioning base is further provided with at least one support tube corresponding to each pair of lifting ropes, and the support tubes are arranged above the pile hole casing in a manner that the length direction of the tube body of each support tube is parallel to the tangent of the circular cross section of the pile hole casing.

According to a preferred embodiment, the reinforcement cage body is spaced from the pile hole casing by a spacing into which a hook assembly located on the free end of the first or second lifting rope is lowered over the support tube and the top end of the pile hole casing.

According to a preferred embodiment, the first and second lifting ropes comprise a carbon fibre or glass fibre composite layer and a coating bonded to the outside of said carbon fibre or glass fibre composite layer.

According to a preferred embodiment, the outer wall of the support tube is provided with at least one groove extending continuously in the circumferential direction of the tube body, and the width of the groove in the length direction of the support tube is not less than the width of the lifting rope.

According to a preferred embodiment, the outer wall of the support tube is provided with at least one limiting part extending along the circumferential direction of the tube body, the width of the limiting part in the length direction of the support tube is not less than the width of the lifting rope, and the lifting rope can slide relative to the support tube in a manner that the free end of the lifting rope penetrates through the limiting part.

According to a preferred embodiment, the steel reinforcement cage body comprises at least one annular stirrup which is vertical to the length direction of the steel reinforcement cage body and continuously extends along the circumferential direction of the steel reinforcement cage body, and at least one anti-floating plate which is matched with the shape of the annular stirrup, wherein the anti-floating plate is arranged at the bottom of the steel reinforcement cage body in a mode that the anti-floating plate is fixedly connected to the annular stirrup.

Drawings

FIG. 1 is a simplified structural schematic diagram of a four-corner piling guyed anti-sinking and floating reinforcement cage in the utility model;

figure 2 is a simplified structural schematic of the hook assembly of the present invention.

List of reference numerals

1: pile hole pile casing; 2: a reinforcement cage body; 3: positioning a base; 4: a first lifting rope; 5: a second lifting rope; 6: a free end; 7: a hook assembly; 8: supporting a tube; 9: a ring-shaped stirrup; 11: a hoisting ring; 12: lifting lugs; 13: a connecting plate; 14: an angle hook; 15: a positioning lock; 16: a rotating shaft; 17: a pin shaft; 18: a balancing weight; 19: a hook head.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The application provides a four corners pile stay rope formula anti sinking and floating steel reinforcement cage, at least including treating to hang the steel reinforcement cage body 2 of putting into pile hole pile casing 1. The reinforcement cage body 2 is usually a long cylindrical reinforcement structure formed by lap welding a plurality of reinforcements, and the reinforcement cage body 2 comprises at least one annular stirrup 9. The plane of the annular stirrup 9 is vertical to the length direction of the cage body. The rib body of the annular stirrup 9 continuously extends along the circumferential direction of the cage body to form an annular structure. A certain interval is arranged between the reinforcement cage body 2 which is placed to the pile hole pile casing 1 and the pile hole pile casing 1 in the circumferential direction.

The reinforcement cage body 2 further comprises at least one anti-sinking floating plate. The shape of the anti-sinking and floating plate is matched with the shape of the area formed by the annular hooping 9 in an encircling way. The anti-sinking and floating plate is fixedly connected to the annular stirrup 9 and arranged at the bottom of the steel reinforcement cage body 2. The anti-sinking and floating plate can be made of materials with larger density, such as metal, alloy or concrete. Thereby enhancing the anti-floating capability of the reinforcement cage body 2.

The anti-sinking and anti-floating reinforcement cage further comprises a positioning base 3 which is arranged on the outer side of the pile hole pile casing 1. The four corners pile driving guy formula that this application mentioned is not piling at four direction selected points around stake hole pile casing 1 narrowly to setting up the meaning that lifting rope pull reinforcement cage body 2, mainly referring to in this application through setting up the location base 3 that is located the stake hole pile casing 1 outside, with lifting rope one end location on location base 3, the other end connection reinforcement cage body 2 on the meaning.

The positioning base 3 can be a square platform structure, a through hole is formed in the middle of the positioning base, and the shape of the through hole is matched with that of the pile hole pile casing 1. The positioning base 3 is relatively positioned on the ground of the periphery of the pile hole casing 1. The positioning base 3 is sleeved on the outer side of the pile hole pile casing 1.

The anti-sinking and anti-floating reinforcement cage further comprises at least one first lifting rope 4 and at least one second lifting rope 5. One end of the lifting rope is positioned on the positioning base 3, and the other end of the lifting rope is positioned at the middle position of the positioning base 3 and extends from the reinforcement cage body 2. The positioning base 3 is provided with a plurality of positioning points, and each positioning point is respectively and correspondingly provided with a first lifting rope 4 and a second lifting rope 5. Two coiling drums for respectively coiling and containing the first lifting rope 4 and the second lifting rope 5 are correspondingly arranged on the positioning points. The winding or releasing action of the winding drum is controllable.

The first lifting rope 4 and the second lifting rope 5 are arranged in pairs, but the first lifting rope and the second lifting rope are wound on different winding drums, so that the actions of different lifting ropes can be respectively regulated and controlled by controlling the different winding drums. Through the external force effect, for example, the driving force exerted by the motor connected with the winding drum, the winding amount of the lifting rope can be relatively fixed, so that the position of the reinforcement cage in the height direction is relatively fixed.

Several pairs of lifting ropes are arranged at intervals along the length extension direction of the positioning base 3. In order to balance the stability of the hoisting force applied to the steel reinforcement cage body 2 and simplify the construction process, four pairs of lifting ropes are arranged on the positioning base 3, and the connecting line between the positioning positions of the two pairs of lifting ropes on the positioning base 3 is vertical to and/or is equally divided from the connecting line between the positioning positions of the other two pairs of lifting ropes on the positioning base 3. For the sake of illustration, the following description will be further described by taking four pairs of lifting ropes as an example, and it will be understood that the person skilled in the art is fully capable of correspondingly varying the following matters in accordance with the different numbers of pairs of lifting ropes provided.

The positioning base 3 is also provided with at least one support tube 8 corresponding to each pair of lifting ropes. The two lifting ropes in pairs can share one support tube 8, or different lifting ropes respectively correspond to a single support tube 8. The support tube 8 can also be formed from two tubes, which are separate from one another. The support tube 8 has a cylindrical structure. The support tube 8 is arranged above the pile hole casing 1 in a way that the length direction of the tube body of the support tube is parallel to the tangent of the circular cross section of the pile hole casing 1. The support tube 8 is used to divert the rope of the lifting rope extending from the winding drum. The free end 6 of the first lifting rope 4 or the second lifting rope 5 can sequentially cross over the top ends of the supporting tube 8 and the pile hole pile casing 1 and is placed in the interval between the steel reinforcement cage body 2 and the pile hole pile casing 1. The support tube 8 can be arranged on the positioning base 3 in such a way that it is located on the tangent of the circular cross section of the pile hole casing 1.

For better guiding the winding or extension of the lifting rope, at least one groove is arranged on the outer wall of the support tube 8. The groove extends continuously along the circumference of the tube body. The grooves can be provided by removing material from the outer wall of the support tube 8 or by additionally fixing groove-like structures to the outer wall of the support tube 8. The recess is sufficient to receive the lifting cord to restrict movement of the lifting cord in a direction other than its direction of extension. Preferably, the support tube 8 is rotatably provided on the positioning base 3.

In order to conveniently roll up the positioning lifting rope, at least one limiting part is arranged on the outer wall of the supporting tube 8. The limiting part is a cylindrical structure penetrating from front to back, and both ends of the limiting part are provided with open ends extending along the circumferential direction of the supporting tube 8. The spacing portion is sufficient to accommodate the lifting rope. The lifting rope crosses the supporting tube 8 in a manner of penetrating into the limiting part, and the lifting rope can slide relative to the limiting part. Preferably, the support tube 8 is fixed to the positioning base 3 so as not to rotate.

In order to ensure the safety of hoisting, the hoisting rope comprises a carbon fiber or glass fiber composite material layer and a coating combined on the outer side of the carbon fiber or glass fiber composite material layer. The carbon fiber or glass fiber composite layer may be prepared by pultrusion. Preferably, the carbon fiber or glass fiber composite material layer is in the shape of a conveyor belt when viewed from a width direction perpendicular to a length direction of the hoist rope. The carbon fiber or glass fiber composite material layer includes a plurality of protruding portions protruding to the outside. In order to enhance the bonding strength between the plurality of protrusions and the coating layer, the plurality of protrusions are formed by protruding the carbon fiber or glass fiber composite material layer from the upper and lower portions thereof to the outside, and the shape of the protrusions is wedge-shaped, the size of which gradually increases toward the outside. The carbon fiber or glass fiber composite layer may be a composite material formed by carbon fibers or glass fibers that are a circular core being coated with a polymer matrix in a twisted manner.

The free ends 6 of the first lifting rope 4 and the second lifting rope 5 are provided with lifting hook components 7. The lifting hook component 7 is used for connecting the steel bars on the steel bar cage body 2. The first lifting rope 4 and the second lifting rope 5 can be alternately connected to or released from different height positions on the steel reinforcement cage body 2. Release here refers to unhooking. The first lifting rope 4 and the second lifting rope 5 are mutually independent and can be connected or released according to requirements, particularly for hoisting the steel reinforcement cage body 2, when one lifting rope is released from the steel reinforcement cage body 2, the other lifting rope can be connected to the cage body, and therefore continuous hoisting of the cage body can be achieved.

Under the condition that the free ends 6 corresponding to the first lifting ropes 4 or the second lifting ropes 5 are connected to the steel reinforcement cage body 2, part of the rope bodies in the rolling state can be released at least, and the part of the rope bodies which are not rolled is prolonged, so that the steel reinforcement cage body 2 can be placed downwards towards the pile hole pile casing 1. In the lowering process, the free end 6 of the lifting rope is under the action of the tension applied to the lifting rope by the steel reinforcement cage 2, and the part of the rope which is not rolled is in a stretched state, so that the stable hoisting of the steel reinforcement cage 2 is guaranteed.

Preferably, the framework structure of the pile hole casing 1 is formed by connecting a plurality of section steels, and a plate body for assembling other components is fixed on the framework structure. The support tube 8 is a steel tube, which may be of a solid structure, and may be filled with a material such as metal, alloy, or concrete. At least one lifting lug is arranged on the plurality of annular stirrups 9.

In the case where the lifting rope releases its tensile force action on the reinforcement cage body 2, for example, by reducing the amount of winding, the rope body that is not wound is lengthened, enabling the hook assembly 7 to release its connection with the reinforcement cage body 2. The hook assembly 7 may be of a conventional construction which releases its hooking relationship with the reinforcement cage body 2 by its own weight. Preferably, in the event that the hook assemblies 7 are not successfully released from their connection with the cage, a portion of the cage may be lifted upwardly by a crane to facilitate unhooking of the hook assemblies 7. For ease of understanding, the hook assembly 7 includes, for example, a lifting eye 11, a lifting eye 12, a connecting plate 13, an angle hook 14, a positioning lock 15, a rotating shaft 16, a pin 17, a weight 18, and a hook head 19. The lifting ring 11 is connected with the lifting lug 12 through a pin shaft 17, the connecting plates 13 are two parallel and opposite rectangular plate surfaces, the upper ends of the two connecting plates 13 are respectively and fixedly connected to two sides of the lower end of the lifting lug 12, the lower ends of the two connecting plates 13 are respectively and fixedly connected to two ends of a rotating shaft 16, the middle of an angle hook 14 is sleeved on the rotating shaft 16, the upper portion of the angle hook 14 is located between the two connecting plates 13, and the lower portion of the angle hook 14 is a hook head 19. The upper part of the angle hook 14 is provided with a balancing weight 18, the balancing weight 18 extends out of the two connecting plates 13, and the weight ratio of the balancing weight 18 of the angle hook 14 to the hook head 19 of the angle hook 14 is 1.5: 1. By adopting the weight ratio of the structure, the counterweight block 18 moves downwards and the hook head 19 is lifted upwards under the non-bearing state of the angle hook 14, so that an included angle is formed between the axis of the hook body of the angle hook 14 and the vertical direction, the opening of the hook head 19 faces approximately horizontally, and the hook can be conveniently unhooked; in the load-bearing state of the angle hook 14, the hook head 19 is vertically drooped under the gravity of the cargo, and the opening of the hook head 19 is upward, so that the lifting can be performed. In the case of a taut lifting rope, the lifting is not affected even if the hook assembly 7 is wholly inclined.

When the pile hole protective sleeve is used, the positioning base 3 is assembled to the outer side of the pile hole protective sleeve 1, a steel reinforcement cage is placed into the pile hole protective sleeve 1 through a crane, the lifting hook assemblies 7 on the first lifting ropes 4 hook lifting lugs on an annular hoop 9 of the cage body, and partial rope bodies in a rolling state are gradually released along with the placement of the crane. After the steel reinforcement cage is placed to a certain position, the lifting hook assemblies 7 on the second lifting ropes 5 hook the lifting lugs on the other annular stirrup 9, and part of rope bodies in a rolling state are gradually released along with the placement of the crane. After connecting second lifting rope 5, can continue to release the partial rope body that is the rolling state of first lifting rope 4 for the lifting hook subassembly 7 unhook of first lifting rope 4, then the first lifting rope 4 of rolling makes the lifting hook subassembly 7 of first lifting rope 4 rise to the position of the personnel's operation of being convenient for. The hoisting device can assist the crane to hoist the reinforcement cage, is favorable for segmented assembly of the reinforcement cage, and greatly reduces the working strength of constructors.

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the utility model. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. The utility model provides a four corners pile stay rope formula anti ups and downs steel reinforcement cage, includes at least:

a reinforcement cage body (2) to be hung in the pile hole casing (1);

a positioning base (3) which is arranged at the outer side of the pile hole pile casing (1),

it is characterized in that the anti-sinking and anti-floating reinforcement cage further comprises at least one first lifting rope (4) and at least one second lifting rope (5), the first lifting rope (4) and the second lifting rope (5) are arranged on the positioning base (3) in pairs, and a plurality of pairs of lifting ropes are formed and arranged at intervals along the length extending direction of the positioning base (3),

wherein the content of the first and second substances,

the first lifting rope (4) and the second lifting rope (5) are connected with the reinforcement cage body (2) through a lifting hook component (7) arranged on the free end (6) of the rope body of the first lifting rope (4) and the second lifting rope (5) so as to enable the first lifting rope and the second lifting rope to be alternately connected to different height positions on the reinforcement cage body (2) or released from different height positions on the reinforcement cage body (2),

under the condition that the lifting rope releases the tensile force on the reinforcement cage body (2), the hook component (7) releases the connection relation between the lifting rope and the reinforcement cage body (2).

2. The anti-sinking reinforcement cage according to claim 1, wherein when the free ends (6) corresponding to the first lifting ropes (4) or the second lifting ropes (5) are connected to the reinforcement cage body (2), the reinforcement cage body (2) moves towards the pile hole casing (1) by releasing at least a part of the rope body which corresponds to the first lifting ropes (4) or the second lifting ropes (5) and is wound on the positioning base (3) so as to extend the rope body which is not wound on the first lifting ropes (4) or the second lifting ropes (5), and the free ends (6) corresponding to the first lifting ropes (4) or the second lifting ropes (5) are subjected to a pulling force applied to the rope body by the reinforcement cage body (2) so as to make the rope body which is not wound in a stretched state.

3. The anti-floating reinforcement cage according to claim 2, characterized in that at least part of the rope bodies of the first (4) and second (5) of the pair of lifting ropes are respectively wound at different positions of the positioning base (3) so that in case of releasing at least the rope body wound on the positioning base (3) on any one of the lifting ropes of the pair of lifting ropes so as to lengthen the rope body not wound on the lifting rope, the other lifting rope of the pair of lifting ropes can shorten the rope body not wound on the positioning base (3) in a manner of increasing the winding amount of the rope body wound on the positioning base.

4. The anti-floating reinforcement cage according to claim 3, characterized in that the relative position of the reinforcement cage body (2) in the pile hole cage (1) is fixed under the condition that the hook components (7) of the two first lifting ropes (4) or the second lifting ropes (5) which are not adjacent to each other are connected to the reinforcement cage body (2), and the rolling amount of the rope bodies rolled on the positioning base (3) corresponding to the lifting ropes connected to the reinforcement cage body (2) is relatively fixed through the external force.

5. The anti-floating reinforcement cage according to claim 4, characterized in that the positioning base (3) is further provided with at least one support tube (8) corresponding to each pair of lifting ropes, and the support tubes (8) are arranged above the pile hole casing (1) in a manner that the length direction of the tube bodies of the support tubes is parallel to the tangent of the circular cross section of the pile hole casing (1).

6. An anti-sinking reinforcement cage according to claim 5, characterized in that there is a space between the cage body (2) and the pile hole casing (1), and the hook assembly (7) on the free end (6) of the first (4) or second (5) lifting rope is lowered into the space over the top end of the support tube (8) and the pile hole casing (1).

7. Anti-floating reinforcement cage according to claim 6, characterized in that the first (4) and second (5) lifting ropes comprise a carbon or glass fiber composite layer and a coating bonded to the outside of the carbon or glass fiber composite layer.

8. An anti-floating reinforcement cage according to claim 7, characterized in that the outer wall of the support tube (8) is provided with at least one groove extending continuously along the circumference of the tube body, and the width of the groove in the length direction of the support tube (8) is not less than the width of the lifting rope.

9. An anti-floating reinforcement cage according to claim 7, characterized in that the outer wall of the support tube (8) is provided with at least one limiting portion extending along the circumference of the tube body, the width of the limiting portion in the length direction of the support tube (8) is not less than the width of the lifting rope, and the lifting rope can slide relative to the support tube (8) in a manner that the free end (6) of the lifting rope penetrates through the limiting portion.

10. Anti-sagging reinforcement cage according to claim 8 or 9, characterized in that the reinforcement cage body (2) comprises at least one annular stirrup (9) extending continuously in the circumferential direction of the cage body perpendicular to its length direction, and at least one anti-sagging plate adapted to the shape of the annular stirrup (9), which is provided at the bottom of the reinforcement cage body (2) in such a way that it is fixedly connected to the annular stirrup (9).