CN219219010U

CN219219010U - Locking notch steel pipe pile cofferdam lowering system

Info

Publication number: CN219219010U
Application number: CN202320258818.8U
Authority: CN
Inventors: 彭应川; 李振华; 杨乐; 黄峰; 陈宗辉; 代皓; 张卫涛; 张旭; 黄维波
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC; 6th Engineering Co Ltd of MBEC
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC; 6th Engineering Co Ltd of MBEC
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-20
Anticipated expiration: 2033-02-20

Abstract

The application relates to a locking notch steel pipe pile cofferdam discharging system, and relates to the technical field of civil engineering. The top of steel pile casing is located to the subassembly that descends of system is transferred to this fore shaft steel pipe pile cofferdam, the outer wall of steel pile casing is located to spacing slide, be equipped with two at least sets of adjusting part between spacing slide and the steel pile casing, the locating part is used for locating the inner wall of collar tie beam structure, it links to each other with the collar tie beam structure to transfer the subassembly down, the adjusting part is used for adjusting the vertical degree of spacing slide, the locating part is used for when the collar tie beam structure descends with the spacing slide cooperation of corresponding side, and slide downwards along spacing slide when transferring, with the unit of transferring with the assistance with the ring tie beam structure transfer to preset position, the fore shaft steel pipe pile cofferdam transfer system that this application provided can guarantee that spacing slide has better vertical degree, even when transferring the steel pile casing to appear crookedly, also do not influence the quality of transferring, guarantee the quality of transferring, and whole transfer system simple structure.

Description

Locking notch steel pipe pile cofferdam lowering system

Technical Field

The application relates to the technical field of civil engineering, in particular to a locking notch steel pipe pile cofferdam lowering system.

Background

At present, the fore shaft steel pipe pile cofferdam is mainly applied to deep water foundation construction, most fore shaft steel pipe pile cofferdam is influenced by various factors such as deep water, geological environment, construction period and the like, steel pipe piles cannot be inserted and driven firstly according to a conventional process, then a ring beam and an internal supporting system are installed in a dry environment by pumping water, and a construction method of firstly ring beam and then cofferdam is required to be adopted, so that the stability of a cofferdam structure in the whole construction period is ensured.

In the related art, most cofferdam lowering systems have the problems of complex structure and low lowering efficiency, and the construction difficulty of the cofferdam is increased; and in the process of stressing by means of the steel casing, the steel casing is easy to skew in the process of lowering due to softer geology, so that the lowering precision is directly influenced, and the lowering quality is poor.

Disclosure of Invention

The embodiment of the application provides a system of transferring of fore shaft steel-pipe pile cofferdam to transfer system structure is complicated among the solution correlation technique, and the steel pile casing appears crookedly easily in the process of transferring, influences the precision of transferring, leads to transferring the poor problem of quality.

The application provides a system of transferring of fore shaft steel-pipe pile cofferdam, it includes:

a base unit comprising at least four steel casings arranged at intervals;

the lowering unit comprises a plurality of groups of lowering assemblies, and the lowering assemblies are arranged at the top of the steel casing;

the limiting unit comprises a plurality of limiting slide ways and limiting pieces, wherein the limiting slide ways are arranged on the outer wall of the steel pile casing, at least two groups of adjusting assemblies are arranged between the limiting slide ways and the steel pile casing, and the limiting pieces are arranged on the inner wall of the ring beam structure; wherein,,

the lower subassembly is used for with the ring beam structure links to each other, in order to lower the ring beam structure, the adjusting part is used for adjusting the straightness that hangs down of spacing slide, the locating part is used for when the ring beam structure descends with the spacing slide cooperation of corresponding side, and when descending follow spacing slide slides downwards, in order to assist the unit of transferring will the ring beam structure descends to the position of predetermineeing.

In some embodiments, the adjusting assembly comprises a first sleeve and a second sleeve, one end of the first sleeve is connected with the steel casing, the other end of the first sleeve is sleeved with the second sleeve, the other end of the second sleeve is connected with the limiting slide way, and the overlapping area of the first sleeve and the second sleeve can be adjusted to adjust the verticality of the limiting slide way.

In some embodiments, the adjusting assembly comprises a plurality of adjusting gaskets and at least two connecting rods, one end of each connecting rod is connected with the steel casing, the adjusting gaskets penetrate through the connecting rods, and the other ends of the connecting rods are detachably fixed on the limiting slide ways.

In some embodiments, the cross section of the limiting slideway is U-shaped, and the dimension of the limiting slideway gradually increases along the direction away from the adjusting component;

one end of the limiting piece is used for being connected with the inner wall of the ring beam structure, the other end of the limiting piece is provided with a roller, and the roller is slidably arranged in the limiting slideway.

In some embodiments, a flexible buffer layer is laid on the inner wall of the limit slideway.

In some embodiments, the base unit includes at least four first distribution beams arranged in parallel, wherein a part of the first distribution beams are erected on top of two steel casings on one side, and the rest of the first distribution beams are erected on top of two steel casings on the other side;

the two ends of the first distribution beam extend out of the steel pile casing on the corresponding side, a second distribution beam connected with the first distribution beam is arranged on the extended beam section, and the second distribution beam is provided with the lowering unit.

In some embodiments, a connecting plate is arranged between the first distributing beam and the steel casing, the connecting plate is inserted on the steel casing and at least partially extends out of the top of the steel casing, and the connecting plate is welded with the steel casing and the first distributing beam respectively.

In some embodiments, the lowering assembly includes a plurality of jacks, on which a deformed bar is connected, and one end of the deformed bar away from the jacks is fixedly connected with the ring beam structure.

In some embodiments, a support bracket is arranged at the bottom of the limiting slideway, and the support bracket is used for placing the ring beam structure before being placed down.

In some embodiments, at least one vertical measuring instrument is arranged on the side wall or the top of the limit slideway.

The beneficial effects that technical scheme that this application provided brought include:

the embodiment of the application provides a system of transferring of fore shaft steel pipe pile cofferdam, because the outer wall of steel pile casing is located to spacing slide, be equipped with two sets of adjusting part at least between spacing slide and the steel pile casing, the inner wall of collar tie beam structure is located to the locating part, so that transfer part links to each other with the collar tie beam structure, transfer collar tie beam structure, adjusting part is used for adjusting the vertical degree of spacing slide, and the locating part is used for transferring with the spacing slide cooperation of corresponding side when collar tie beam structure, and slide downwards along spacing slide when transferring, with the unit of assisting transferring with the ring tie beam structure transfers to preset position, consequently, the adjusting part of this system of transferring of fore shaft steel pipe pile cofferdam can guarantee that spacing slide has better vertical degree, even when transferring the steel pile casing skew, also do not influence the quality of transferring, guarantee the quality of transferring, and whole system of transferring simple structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a locking notch steel pipe pile cofferdam lowering system provided in an embodiment of the present application.

In the figure: 1. a base unit; 10. a steel pile casing; 11. a first distribution beam; 12. a second distribution beam; 13. a connecting plate; 2. a lowering unit; 20. a jack; 21. screw-thread steel bar; 3. a limit unit; 30. limiting slide ways; 31. a limiting piece; 4. an adjustment assembly; 5. a ring beam structure; 50. a connection system; 6. and supporting the bracket.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

The embodiment of the application provides a locking notch steel pipe pile cofferdam system of transferring, it can solve among the correlation technique transfer system structure complicacy, and transfer in-process steel protects a section of thick bamboo and appears crookedly easily, influences transfer precision, leads to transferring the poor problem of quality.

Referring to fig. 1, the locking notch steel pipe pile cofferdam descending system mainly comprises a foundation unit 1, a descending unit 2 and a limiting unit 3, wherein the foundation unit 1 comprises at least four steel casings 10 arranged at intervals, namely, at least four steel casings 10 are respectively arranged at four top corners, the descending unit 2 comprises a plurality of groups of descending components, the descending components are respectively fixedly arranged at the tops of the steel casings 10 and are connected with a ring beam structure 5, the ring beam structure 5 is descended, the limiting unit 3 comprises a plurality of limiting slideways 30 and limiting pieces 31, the limiting slideways 30 are arranged on the outer wall of the steel casings 10, at least two groups of adjusting components 4 are arranged between the limiting slideways 30 and the steel casings 10, the adjusting components 4 are used for adjusting the verticality of the limiting slideways 30, the limiting pieces 31 are used for being arranged on the inner wall of the ring beam structure 5, the limiting pieces 31 are used for being matched with the limiting slideways 30 on corresponding sides when the ring beam structure 5 is descended, and are downwards arranged along the limiting slideways 30 when the limiting slideways 30 are downwards so as to assist the descending unit 2 to slide the ring beam structure 5 to a preset position.

Specifically, a limit slide way 30 can be arranged on each steel pile casing 10, and two limit slide ways 30 can be arranged, and as the limit slide ways 30 have a certain length, at least two groups of adjusting components 4 which are arranged at intervals are arranged between the limit slide ways 30 and the steel pile casings 10 for better adjusting the verticality of the limit slide ways 30, and the adjusting components 4 can adjust the length of the adjusting components, so that the distance between the limit slide ways 30 and the steel pile casings 10 is adjusted, and the aim of adjusting the verticality of the limit slide ways 30 is fulfilled; in this embodiment, preferably, two spacing slideways 30 are disposed on each steel casing 10 at intervals, an included angle of 90 ° is formed between the two spacing slideways 30, and two corresponding spacing pieces 31 are disposed on the inner wall of each side of the ring beam structure 5, and the number of the spacing slideways 30 is consistent. The locking notch steel pipe pile cofferdam lowering system is simple in structure, can ensure that the limiting slide way 30 has good verticality, and does not influence the lowering precision and ensures the lowering quality even if the steel pile casing 10 is askew in the lowering process.

Further, the adjusting component 4 mainly comprises a first sleeve and a second sleeve, one end of the first sleeve is connected with the steel casing 10, and the other end of the first sleeve is sleeved with the second sleeve, so that the first sleeve can be sleeved on the second sleeve, and can also be penetrated in the second sleeve; the second sleeve is kept away from the other end of first sleeve and is fixedly connected with spacing slide 30, all is equipped with the connecting hole on first sleeve and the second sleeve, and when both overlaps, at least partial coincidence between first sleeve and the second sleeve, the connecting hole is aligned each other, wears to be equipped with connecting bolt on at least a set of connecting hole, through the connecting hole of adjusting the alignment, can adjust the area of overlap between first sleeve and the second sleeve, realizes the purpose of adjusting spacing slide 30's straightness that hangs down then.

Further, the adjusting component 4 mainly comprises a plurality of adjusting gaskets and at least two connecting rods, one end of each connecting rod is connected with the steel pile casing 10, namely, one end of each connecting rod can be fixedly connected with the steel pile casing 10 in a welding way, and can also be directly penetrated on the side wall of the steel pile casing 10; the distance between the spacing slide 30 and the lateral wall of the steel casing 10 can be adjusted through adjusting the quantity of the adjusting gaskets, the other end of the connecting rod can be detachably fixed on the spacing slide 30, for example, the other end of the connecting rod can be directly arranged on the spacing slide 30 in a penetrating way, and the end of the connecting rod is provided with connecting threads and is matched with a nut to be connected and fixed with the spacing slide 30. In this embodiment, preferably, in order to facilitate adjusting the number of the adjusting gaskets, one end of the connecting rod is arranged on the steel casing 10 in a penetrating manner, and the connecting rod and the steel casing are detachably connected; in addition, in order to avoid that the connecting rods penetrating through the limiting slide way 30 influence the sliding of the limiting piece 31, the two connecting rods are respectively positioned at two side edges close to the sliding groove of the limiting slide way 30.

Further, the cross section of the limiting slideway 30 is in a U shape, the size of the limiting slideway gradually increases along the direction away from the adjusting component 4, one end of the limiting piece 31 is used for being connected with the inner wall of the ring beam structure 5, the other end of the limiting piece is provided with a roller, and the roller is slidably arranged in the limiting slideway 30. Specifically, the bottom of the limiting slide way 30 is a slide way, and because the size of the limiting slide way 30 gradually increases along the direction away from the adjusting component 4, the cross section of the limiting slide way is in an approximately trapezoidal structure, the ring beam structure 5 specifically comprises a plurality of layers of ring beams, the ring beams of each layer are connected through a connecting system 50, when each ring beam is arranged on the outer side of the steel pile casing 10, four connecting beams are respectively arranged on the outer side of the steel pile casing 10 respectively, and then are fixedly connected through welding or other modes, and each connecting beam is provided with a limiting piece 31, so that the limiting piece 31 on the connecting beam enters the limiting slide way 30 on the corresponding side more quickly when the connecting beam is arranged, and the construction difficulty is reduced; the rollers of the limiting member 31 largely reduce the friction between the limiting member 31 and the limiting ramp 30.

Further, because the limiting piece 31 and the limiting slide way 30 are both made of metal, when the limiting piece 31 is arranged in the limiting slide way 30 in a sliding manner, a certain abrasion is generated between the limiting piece 31 and the limiting slide way, and a larger sound is emitted, so that a layer of flexible buffer layer is paved on the inner wall of the limiting slide way 30, the friction between the limiting piece 31 and the limiting slide way 30 is hardly increased by the flexible buffer layer, but the abrasion caused by the mutual sliding of the limiting piece 31 and the limiting slide way 30 can be effectively prevented, and the noise in construction can be obviously reduced.

Further, the foundation unit 1 mainly includes at least four first distribution beams 11 arranged in parallel, wherein a part of the first distribution beams 11 are erected on the top of two steel casings 10 on one side, the remaining first distribution beams 11 are erected on the top of two steel casings 10 on the other side, in this embodiment, preferably, two first distribution beams 11 arranged in parallel are erected on the top of two steel casings 10 on one side, the remaining two first distribution beams 11 arranged in parallel are erected on the top of two steel casings 10 on the other side, two ends of each first distribution beam 11 extend out of the steel casings 10 on the corresponding side, and second distribution beams 12 connected with the first distribution beams 11 are arranged on the extending beam sections, that is, the second distribution beams 12 are used for connecting and fixing the two first distribution beams 11 on the same side, the second distribution beams 12 are provided with the lowering units 2, and the number of the lowering units 2 on each second distribution beam 12 is at least one.

Further, in order to ensure the connection stability of the structure, a connecting plate 13 is arranged between the first distribution beam 11 and the steel protection barrel 10, the connecting plate 13 is inserted on the steel protection barrel 10, and at least part of the connecting plate extends out of the top of the steel protection barrel 10, and the connecting plate 13 is welded with the steel protection barrel 10 and the first distribution beam 11 respectively, so that the welding seam between the connecting plate 13 and the first distribution beam 11 is increased on the basis of welding the steel protection barrel 10 and the first distribution beam 11, and the connection stability is ensured.

Further, the assembly of transferring specifically includes a plurality of jacks 20, is connected with the deformed bar 21 on the jack 20, and the one end that deformed bar 21 kept away from jack 20 is used for with collar tie structure 5 fixed connection, and the connected mode can be threaded connection, also can be other suitable connected modes such as joint, and after collar tie structure 5 accomplishes the construction, a plurality of jacks 20 are used for transferring collar tie structure 5 jointly to under spacing slide 30 and locating part 31's direction, transfer to preset position department, guarantee the precision of construction.

Further, the bottom of the limiting slideway 30 is provided with a supporting bracket 6, the supporting bracket 6 comprises a horizontally arranged supporting beam, the bottom of the supporting beam is provided with at least one supporting oblique beam, a triangular structure is formed between the supporting oblique beam and the steel protective cylinder 10, and the supporting bracket 6 is used for placing the ring beam structure 5 before being placed.

Further, the side wall or the top of the limiting slide way 30 is provided with at least one vertical measuring instrument, the vertical measuring instrument can be of a structure similar to a level meter, at the moment, the vertical measuring instrument is arranged at the top of the limiting slide way 30, the vertical measuring instrument can further comprise a rope dropping and a calibration block, the rope dropping is arranged on the side wall of the limiting slide way 30, the calibration block has a certain weight and is hung at the bottom of the rope dropping, and if the limiting slide way 30 is not in a vertical state, the vertical measuring instrument can be easily observed through a lifting rope and can be timely adjusted.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this application, 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. Moreover, the terms "comprises," "comprising," 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a fore shaft steel-pipe pile cofferdam system of transferring which characterized in that, it includes:

a base unit (1) comprising at least four steel casings (10) arranged at intervals;

the lowering unit (2) comprises a plurality of groups of lowering assemblies, and the lowering assemblies are arranged at the top of the steel casing (10);

the limiting unit (3) comprises a plurality of limiting slide ways (30) and limiting pieces (31), wherein the limiting slide ways (30) are arranged on the outer wall of the steel pile casing (10), at least two groups of adjusting assemblies (4) are arranged between the limiting slide ways (30) and the steel pile casing (10), and the limiting pieces (31) are used for being arranged on the inner wall of the ring beam structure (5); wherein,,

the utility model discloses a ring beam structure, including ring beam structure (5), spacing subassembly, adjusting part (4), lower subassembly and limiting part (31), lower subassembly is used for with ring beam structure (5) links to each other, lower ring beam structure (5), adjusting part (4) are used for adjusting the straightness that hangs down spacing slide (30), limiting part (31) are used for when ring beam structure (5) are transferred with spacing slide (30) cooperation of corresponding side, and follow when transferring spacing slide (30) slide downwards, in order to assist lower unit (2) will ring beam structure (5) are transferred to preset position.

2. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the adjusting component (4) comprises a first sleeve and a second sleeve, one end of the first sleeve is connected with the steel casing (10), the other end of the first sleeve is sleeved with the second sleeve, the other end of the second sleeve is connected with the limiting slide way (30), and the overlapping area of the first sleeve and the second sleeve can be adjusted to adjust the verticality of the limiting slide way (30).

3. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the adjusting assembly (4) comprises a plurality of adjusting gaskets and at least two connecting rods, one ends of the connecting rods are connected with the steel casing (10), the adjusting gaskets penetrate through the connecting rods, and the other ends of the connecting rods are detachably fixed on the limiting slide ways (30).

4. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the cross section of the limiting slideway (30) is U-shaped, and the size of the limiting slideway gradually increases along the direction away from the adjusting component (4);

one end of the limiting piece (31) is used for being connected with the inner wall of the ring beam structure (5), and the other end of the limiting piece is provided with a roller which is slidably arranged in the limiting slide way (30).

5. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

a flexible buffer layer is laid on the inner wall of the limit slideway (30).

6. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the foundation unit (1) comprises at least four first distribution beams (11) which are arranged in parallel, wherein a part of the first distribution beams (11) are erected on the tops of two steel casings (10) on one side, and the rest of the first distribution beams (11) are erected on the tops of two steel casings (10) on the other side;

the two ends of the first distribution beam (11) extend out of the steel casing (10) on the corresponding side, a second distribution beam (12) connected with the first distribution beam (11) is arranged on the extending beam section, and the lowering unit (2) is arranged on the second distribution beam (12).

7. The fore shaft steel pipe pile cofferdam system of claim 6, wherein:

a connecting plate (13) is arranged between the first distribution beam (11) and the steel pile casing (10), the connecting plate (13) is inserted on the steel pile casing (10) and at least partially extends out of the top of the steel pile casing (10), and the connecting plate (13) is welded with the steel pile casing (10) and the first distribution beam (11) respectively.

8. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the lowering assembly comprises a plurality of jacks (20), wherein screw-thread steel bars (21) are connected to the jacks (20), and one end, far away from the jacks (20), of each screw-thread steel bar (21) is used for being fixedly connected with the ring beam structure (5).

9. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the bottom of the limiting slide way (30) is provided with a supporting bracket (6), and the supporting bracket (6) is used for placing the ring beam structure (5) before being placed down.

10. A fore shaft steel pipe pile cofferdam system as set forth in claim 1, wherein:

the side wall or the top of the limit slideway (30) is provided with at least one vertical measuring instrument.