CN116905494A

CN116905494A - Guiding device for positioning sheet piles in channel revetment and construction method

Info

Publication number: CN116905494A
Application number: CN202311164071.0A
Authority: CN
Inventors: 路伟男; 党成明; 赵超; 李长远; 曹羽; 刘明; 苏义如
Original assignee: CCCC First Harbor Engineering Co Ltd; No 1 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Current assignee: CCCC First Harbor Engineering Co Ltd; No 1 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2023-10-20

Abstract

The utility model provides a guiding device and construction method that sheet pile was fixed a position in channel shore protection, guiding device includes mount, first positioning mechanism and second positioning mechanism, and the mount includes first minor face support, second minor face support, first long limit support and second long limit support, and first positioning mechanism includes first locating lever, second locating lever and drive assembly, and second positioning mechanism includes positioning seat, driving motor, reel and wire rope. The construction method comprises the steps of construction preparation, measurement positioning, positioning pile driving, guide device installation, steel sheet pile lifting, steel sheet pile positioning and steel sheet pile driving. According to the embodiment of the invention, the first positioning mechanism and the second positioning mechanism enable the steel plate pile group to be positioned and fixed transversely and longitudinally at the same time, so that the position accuracy and the verticality of the beaten steel plate pile are improved, and the steel plate pile group without length and width can be adapted; the construction method has the advantages of less equipment consumption and high utilization rate, and can effectively shorten the construction period by forming running water construction.

Description

Guiding device for positioning sheet piles in channel revetment and construction method

Technical Field

The invention belongs to the technical field of civil construction, and particularly relates to a guiding device for positioning sheet piles in a channel revetment and a construction method.

Background

In recent years, the number of projects such as ocean engineering, river channel repair, sea-reclamation dredging, foundation pit support and the like is rapidly increased, and the shore protection, dyke and retaining structures of the projects adopt steel sheet pile cofferdam structures as water-proof support systems at present. The steel sheet pile has the advantages of high strength, good waterproof performance and the like, wherein the section of the steel sheet pile mainly comprises a straight plate type, an H type, a U type, a Z type and the like. In the steel sheet pile construction process, the steel sheet pile has higher connection compactness and straightness that hangs down, need regulate and control the straightness that hangs down of steel sheet pile, prevent that the steel sheet pile from taking place the slope and influencing construction quality.

In order to realize the positioning of the steel sheet piles, the common practice is to combine a plurality of guide piles symmetrically arranged in pairs along the preset laying direction of the steel sheet piles, weld two steel corbels on the inner sides of the guide piles, place guide frames on the steel corbels, and sequentially lay the steel sheet piles on the inner sides of the guide frames along the preset direction; however, the existing guiding and positioning device has low positioning precision, cannot be adjusted according to the size of the steel sheet pile, is difficult to ensure the driving quality of the steel sheet pile, and is easy to cause the problem that the steel sheet pile is askew or cannot be tightly meshed in the process of vibrating and sinking the steel sheet pile, so that the guiding and positioning device is often required to be repeatedly debugged in time, and the working efficiency and the working quality are greatly reduced.

Disclosure of Invention

Aiming at the defects existing in the related art, the invention provides a guide device for positioning sheet piles in a channel revetment and a construction method, and aims to solve the problems that the existing guide positioning device is complex in structure, complex in operation and incapable of being adjusted according to the size of a steel sheet pile.

The invention provides a guiding device for positioning sheet piles in a channel revetment, which comprises a fixing frame, a first positioning mechanism and a second positioning mechanism;

the four corners of the fixing frame are respectively provided with a vertically arranged supporting frame, and the bottom end of the supporting frame is provided with a cone head part which is used for being pricked into soil downwards; the fixing frame comprises a first short-side bracket, a second short-side bracket, a first long-side bracket and a second long-side bracket, wherein the first long-side bracket and the second long-side bracket are mutually parallel and are transversely arranged; the first short-side bracket and the second short-side bracket are parallel to each other and are arranged along the longitudinal direction; the ends of the first short-side bracket, the second short-side bracket, the first long-side bracket and the second long-side bracket are connected with the corresponding supporting frames to form a rectangular fixed frame; the two fixing frames are horizontally arranged and are respectively a first fixing frame and a second fixing frame which are positioned at the top and the middle of the fixing frame; the first positioning mechanism and the second positioning mechanism are both arranged on the first fixed frame;

The first positioning mechanism comprises a first positioning rod, a second positioning rod and a driving assembly; the first positioning rod and the second positioning rod are parallel to each other and are arranged along the transverse direction; the driving assembly is arranged in an assembly bin arranged on the first short-side bracket and comprises a driving screw rod which is longitudinally arranged, the driving screw rod is provided with a first thread section and a second thread section, and a first driving seat and a second driving seat are respectively arranged on the first thread section and the second thread section in a threaded manner; a first short-side guide groove is longitudinally formed in one side, close to the second short-side bracket, of the first short-side bracket, and a second short-side guide groove is longitudinally formed in one side, close to the first short-side bracket, of the second short-side bracket; one end of the first positioning rod is slidably arranged in the first short-side guide groove and is integrally connected with the first driving seat, and the other end of the first positioning rod is slidably arranged in the second short-side guide groove; one end of the second positioning rod is slidably arranged in the first short-side guide groove and is integrally connected with the second driving seat, and the other end of the second positioning rod is slidably arranged in the second short-side guide groove; the screw thread direction of the first screw thread section is opposite to that of the second screw thread section, so that when the screw rod is rotationally driven, the first driving seat and the second driving seat move oppositely or move oppositely; the driving screw rod extends out from one end of the first short-side bracket and is provided with a knob;

The second positioning mechanism comprises a positioning seat, a driving motor, a winding wheel and a steel wire rope; the top surfaces of the first long-side support and the second long-side support are respectively provided with a first long-side guide groove and a second long-side guide groove, the first long-side guide groove and the second long-side guide groove are mutually parallel and are transversely arranged, two sides of the positioning seat are respectively and slidably arranged in the first long-side guide groove and the second long-side guide groove, the driving motor is arranged on the positioning seat, the winding wheel is arranged on an output shaft of the driving motor, the wire rope is wound on the winding wheel, one end of the wire rope is fixedly connected with the winding wheel, and the other end of the wire rope is fixedly connected with the first short-side support.

In some embodiments, the positioning seat is provided with a limiting support assembly, the limiting support assembly comprises a limiting seat, a supporting plate and a fixing bolt, the positioning seat is longitudinally provided with a positioning groove, the supporting plate and the limiting seat are respectively stuck on the top surface and the bottom surface of the positioning seat, the fixing bolt penetrates through the supporting plate and the positioning groove and is in threaded connection with the limiting seat, the supporting plate supports a screw head at the top of the fixing bolt, and when the fixing bolt is screwed, the limiting seat and the supporting plate clamp the positioning seat for limiting and fixing the limiting support assembly; the bottom surface of spacing seat has the spacing groove, and spacing supporting component has two sets of, and first locating lever and second locating lever all are located the spacing groove of corresponding spacing seat.

In some embodiments, the second short-side guide groove is a T-shaped groove and is divided into a first groove body and a second groove body, wherein the width of the first groove body is larger than that of the second groove body;

the first limiting slide block and the second limiting slide block are arranged in the first groove body in a sliding manner and matched with the first groove body, and the first positioning rod and the second positioning rod are arranged in the first groove body and matched with the first groove body;

the first limiting slide block and the second limiting slide block are both long-strip-shaped, the first positioning rod is vertically connected to one end of the first limiting slide block, and the other end of the first limiting slide block extends to one side far away from the second positioning rod; the second locating rod is vertically connected to one end of the second limiting slide block, and the other end of the second limiting slide block extends to one side far away from the first locating rod.

In some embodiments, one end of the driving screw extending out of the first short-side bracket is mounted on a shaft seat mounted on the first short-side bracket, the driving screw is provided with a ratchet wheel, the ratchet wheel is positioned in the shaft seat, the shaft seat is provided with an elastic limiting pin, and when the driving screw is rotated to drive the first driving seat and the second driving seat to move in opposite directions, the elastic limiting pin is clamped into gear teeth of the ratchet wheel so as to prevent the driving screw from rotating in opposite directions.

In some embodiments, a rubber extrusion block is arranged on one side of the positioning seat, which is close to the first short-side bracket.

In some embodiments, two inclined supporting rods which are obliquely arranged are arranged between two first long-side brackets and between two second long-side brackets of the two fixed frames, reinforcing plates are arranged between two ends of the first long-side brackets of the second fixed frames and two ends of the second long-side brackets and the corresponding supporting frames, one end of each inclined supporting rod is connected with the corresponding reinforcing plate, and the other end of each inclined supporting rod is connected with the corresponding first long-side bracket above or the corresponding second long-side bracket above; both ends of the first short side bracket of the second fixed frame are detachably connected with the corresponding supporting frames.

In some embodiments, the four supporting frames are provided with limiting plates, and the four limiting plates are positioned on the same horizontal plane below the second fixed frame;

the four limiting plates are all arranged transversely, are used for enabling the four limiting plates to be opposite to each other in pairs, and extend to the lower portion of the second fixing frame.

The positioning construction method of the sheet pile in the channel revetment adopts the guiding device for positioning the sheet pile in the channel revetment, and comprises the following steps:

s10, preparation of construction: the obstacle clearance is carried out on the waterway with the range of 2-3 meters outside the revetment;

S20, measuring and positioning: lofting the positioning axis of the sheet pile by using a total station to determine the driving position of the steel sheet pile;

s30, driving a positioning pile: driving a first steel sheet pile through a pile driver at the position of a lofting positioning axis, driving the first steel sheet pile to a first height position, and taking the first steel sheet pile as a positioning pile, wherein the verticality deviation of the positioning pile is controlled to be less than or equal to 1/200 through a theodolite and a vertical ball in the driving process;

s40, installing a guiding device: the outer side of the positioning pile is provided with a guide device, the positioning pile penetrates into and is abutted against one end of the guide device, one end of the guide device is used for taking the positioning pile as a positioning foundation, and the other end of the guide device is erected according to a measuring datum line;

s50, lifting the steel sheet pile: transporting the steel sheet piles by adopting a transport ship, clamping the steel sheet piles one by a manipulator on the transport ship, vertically inserting the steel sheet piles into a guide device, and sequentially connecting the positioning piles and the steel sheet piles in series in the guide device to form a steel sheet pile group;

s60, positioning steel sheet piles: the guide device is used for positioning and fixing the steel sheet piles, and a plurality of steel sheet piles which are connected in series with one steel sheet pile group are positioned and fixed on the measuring reference line;

s70, steel sheet pile first setting: the pile driver drives steel sheet piles of a steel sheet pile group to a first height position one by one from one end close to the positioning pile;

S80, second driving of the steel sheet piles: the guiding device stops positioning and fixing the steel plate pile groups, the last steel plate pile in one steel plate pile group is used as a positioning pile, the rest steel plate piles are all driven to a second height position by a pile driver, the second height position is lower than the first height position, and the guiding device is removed from the outer side of the steel plate pile groups;

s90, circularly driving steel sheet piles: repeating steps S40 to S80 to set the steel sheet piles of the next steel sheet pile group at a second height position;

in step S60, the positioning and fixing the steel sheet pile by the guiding device specifically includes the following steps;

s601, manually rotating a knob to enable the knob to drive a driving screw rod and drive a first positioning rod and a second positioning rod to move in opposite directions, wherein the first positioning rod and the second positioning rod are respectively attached to first plate surfaces on two sides of a steel plate pile group, and clamp and fix the steel plate pile group in the longitudinal direction;

s602, driving motor drives reel rolling wire rope, and wire rope pulling positioning seat slides along first long limit guide way and second long limit guide way, and the positioning seat transversely removes towards first minor face support to lean on the tip to the steel sheet pile group, positioning seat and first minor face support are in the tight fixedly of clamp of steel sheet pile group in the transverse direction.

In some embodiments, the support frame is a telescopic rod, the first short side bracket of the first fixed frame in the guiding device is located at a height position higher than the second height position and lower than the first height position, and one steel sheet pile group at least comprises two steel sheet piles;

in the step S40, when the guide device is arranged on the outer side of the positioning pile, the fixing frame is sleeved on the positioning pile, the four supporting frames are elongated, and the cone heads at the bottom ends of the supporting frames are pricked into soil;

in step S80, the specific step of stopping positioning and fixing the steel sheet pile group by the guiding device includes: a reverse operation step S601 and a reverse operation step S602;

in step S80, the specific steps of removing the guiding device from the outer side of the steel sheet pile group are: the four support frames of the fixing frame are shortened, cone heads at the bottom ends of the support frames are pulled out of soil, the first short-side bracket of the second fixing frame is removed, and the fixing frame is translated along the measuring datum line until the first short-side bracket of the first fixing frame is attached to a positioning pile of the next steel plate pile group;

when the pile driver is used for driving the steel sheet pile, the pile hammer of the pile driver firstly accelerates to fall down to collide with the steel sheet pile, then is abutted against the steel sheet pile and pushes the steel sheet pile at a constant speed, and the speed of the pile hammer when colliding with the steel sheet pile is higher than the speed of the pile hammer when pushing the steel sheet pile at a constant speed.

In some embodiments, when the positioning seat is provided with the limiting support assembly, step S601 is preceded by step S600, and step S602 is followed by step S603;

s600, rotating fixing bolts of the two limiting support assemblies to enable the support plate and the limiting seat to loosen the positioning seat, wherein the two limiting support assemblies can respectively follow the first positioning rod and the second positioning rod;

s603, rotating the fixing bolts of the two limiting support assemblies to enable the support plate and the limiting seat to clamp the positioning seat, wherein the two limiting support assemblies are fixed on the positioning seat and longitudinally support the first positioning rod and the second positioning rod respectively.

Based on the technical scheme, the fixing frame is provided with the first positioning mechanism and the second positioning mechanism, the steel plate pile group formed by connecting a plurality of steel plate piles in series is clamped in the longitudinal direction through the two positioning rods of the first positioning mechanism, and the steel plate pile group is positioned and fixed in the longitudinal direction, so that the steel plate pile group is aligned with the measuring datum line; the positioning seat of the second positioning mechanism and the first short-side bracket clamp the steel plate pile group transversely, and the steel plate pile group is positioned and fixed longitudinally, so that adjacent steel plate piles in the steel plate pile group are kept close, good verticality is kept under the guidance of the positioning piles, and the sealing and water blocking effect of the steel plate pile group is improved; the first positioning mechanism and the second positioning mechanism enable the steel plate pile group to be positioned and fixed transversely and longitudinally at the same time, so that the stability of the steel plate pile group in the driving process is improved, the position accuracy and the verticality of the driven steel plate pile are improved, and the steel plate pile group without length and width can be adapted; the construction method has the advantages of less equipment consumption and high utilization rate, can effectively shorten the construction period by forming the running water construction, avoids the waste of human-machine materials, is simple, convenient and quick to mount and dismount, can be repeatedly used, ensures the perpendicularity of the steel sheet pile, improves the construction precision of the enclosure structure and the effect of sealing and locking water, has strong applicability, and solves the problems that the existing guide positioning device has complex structure and complex operation and cannot be adjusted according to the size of the steel sheet pile.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic structural view of a guide device for positioning a sheet pile in a channel revetment according to the present application;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the drive assembly of the guide device for positioning the sheet pile in the course revetment according to the present application;

FIG. 4 is a schematic view of the structure of the guide device for positioning the sheet pile in the channel revetment of the present application when positioning the sheet pile;

FIG. 5 is a schematic view of the structure of a steel sheet pile in the guide device for positioning a sheet pile in a channel revetment according to the present application;

FIG. 6 is a cross-sectional view of the spacing support assembly of the guide device for positioning sheet piles in a channel revetment according to the present application;

FIG. 7 is a first cross-sectional view of the locating rod and fiber slide block section of the guide device for locating a sheet pile in a channel revetment according to the present application;

FIG. 8 is a second cross-sectional view of the locating rod and fiber slide block section of the guide device for locating a sheet pile in a channel revetment according to the present application;

FIG. 9 is a schematic view of the structure of the ratchet wheel portion of the guide device for positioning the sheet pile in the course revetment according to the present application;

FIG. 10 is a flow chart of a sheet pile positioning construction method in a channel revetment of the present invention;

in the figure:

10. a fixing frame; 10A, a first fixed frame; 10B, a second fixed frame;

101. a support frame; 102. a cone head; 103. a first short-side bracket; 104. a second short-side bracket; 105. a first long-side bracket; 106. a second long side bracket; 107. assembling a bin; 108. a first short-side guide groove; 109. a second short-side guide groove; 110. a shaft seat; 111. a first long-side guide groove; 112. a second long-side guide groove; 113. a first tank body; 114. a second tank body; 115. the first limiting slide block; 116. the second limit sliding block; 117. an elastic limiting pin; 118. a diagonal brace; 119. a reinforcing plate; 120. a limiting plate;

20. a first positioning mechanism; 201. a first positioning rod; 202. a second positioning rod;

30. a second positioning mechanism; 301. a positioning seat; 302. a driving motor; 303. a reel; 304. a wire rope; 305. a positioning groove; 306. a rubber extrusion block;

40. a drive assembly; 401. driving a screw rod; 402. a first thread segment; 403. a second thread segment; 404. a first driving seat; 405. a second driving seat; 406. a knob; 407. a ratchet wheel;

50. a steel plate pile group; 501. steel sheet piles; 501A, locating piles; 502. locking the opening; 503. a first plate body; 504. a second plate body; 505. a plug end; 506. a locking groove;

60. A limit support assembly; 601. a limit seat; 602. a support plate; 603. a fixing bolt; 604. and a limit groove.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, in one exemplary embodiment of the guide for positioning a sheet pile in a course revetment of the present invention, the guide for positioning a sheet pile in a course revetment includes a fixing frame 10, a first positioning mechanism 20 and a second positioning mechanism 30.

The four corners of the fixing frame 10 are respectively provided with a vertically arranged supporting frame 101, and the bottom end of the supporting frame 101 is provided with a cone head 102 for being pricked into soil downwards; the fixing frame 10 comprises a first short-side bracket 103, a second short-side bracket 104, a first long-side bracket 105 and a second long-side bracket 106, wherein the first long-side bracket 105 and the second long-side bracket 106 are parallel to each other and are arranged along the transverse direction; the first short-side bracket 103 and the second short-side bracket 104 are parallel to each other and are both arranged along the longitudinal direction; the ends of the first short-side bracket 103, the second short-side bracket 104, the first long-side bracket 105 and the second long-side bracket 106 are connected with the corresponding supporting frames 101 to form a rectangular fixed frame; the two fixed frames are horizontally arranged, namely a first fixed frame 10A and a second fixed frame 10B which are positioned at the top and the middle of the fixed frame 10 respectively; the first positioning mechanism 20 and the second positioning mechanism 30 are both mounted on the first fixed frame 10A.

The first positioning mechanism 20 includes a first positioning rod 201, a second positioning rod 202, and a drive assembly 40; the first positioning rod 201 and the second positioning rod 202 are parallel to each other and are both arranged in the transverse direction; as shown in fig. 3, the driving assembly 40 is installed in the assembly bin 107 provided on the first short-side bracket 103, and includes a driving screw 401 disposed longitudinally, the driving screw 401 having a first threaded section 402 and a second threaded section 403, and a first driving seat 404 and a second driving seat 405 are respectively mounted on the first threaded section 402 and the second threaded section 403 in a threaded manner; a first short-side guide groove 108 is longitudinally formed in one side, close to the second short-side bracket 104, of the first short-side bracket 103, and a second short-side guide groove 109 is longitudinally formed in one side, close to the first short-side bracket 103, of the second short-side bracket 104; one end of the first positioning rod 201 is slidably mounted in the first short-side guide groove 108 and integrally connected with the first driving seat 404, and the other end of the first positioning rod 201 is slidably mounted in the second short-side guide groove 109; one end of the second positioning rod 202 is slidably mounted in the first short-side guide groove 108 and integrally connected with the second driving seat 405, and the other end of the first positioning rod 201 is slidably mounted in the second short-side guide groove 109; the first thread section 402 and the second thread section 403 have opposite thread directions, so that when the screw rod 401 is driven to rotate, the first driving seat 404 and the second driving seat 405 move in opposite directions or move in opposite directions; the driving screw 401 protrudes from one end of the first short-side bracket 103, and is mounted with a knob 406.

As shown in fig. 2, the second positioning mechanism 30 includes a positioning seat 301, a driving motor 302, a winding wheel 303, and a wire rope 304; the top surfaces of the first long-side support 105 and the second long-side support 106 are respectively provided with a first long-side guide groove 111 and a second long-side guide groove 112, the first long-side guide groove 111 and the second long-side guide groove 112 are parallel to each other and are transversely arranged, two sides of the positioning seat 301 are respectively slidably arranged in the first long-side guide groove 111 and the second long-side guide groove 112, the driving motor 302 is arranged on the positioning seat 301, the winding wheel 303 is arranged on an output shaft of the driving motor 302, the steel wire rope 304 is wound on the winding wheel 303, one end of the steel wire rope is fixedly connected with the winding wheel 303, and the other end of the steel wire rope is fixedly connected with the first short-side support 103.

As shown in fig. 10, the invention further provides a positioning construction method for the sheet pile in the channel revetment based on the guiding device for positioning the sheet pile in the channel revetment, which comprises the following steps:

s10, preparation of construction: and (3) carrying out obstacle clearance on the waterway with the range of 2-3 meters outside the revetment.

S20, measuring and positioning: and measuring and positioning the pile sinking area according to the design drawing of the channel revetment, finding the position of the end part of the channel revetment, and lofting the positioning axis of the sheet pile at the position by using a total station to determine the driving position of the steel sheet pile 501.

S30, driving a positioning pile: the first steel sheet pile 501 is driven into the position of the lofting positioning axis through a pile driver, the first steel sheet pile 501 is driven to a first height position, the bottom of the first steel sheet pile 501 is driven into soil on a river bed, the first steel sheet pile 501 is stably fixed at the position to serve as a positioning pile 501A, the verticality deviation of the positioning pile 501A is controlled to be less than or equal to 1/200 through a theodolite and a vertical ball in the driving process, and even if the horizontal size of the upper point and the lower point of the positioning pile 501A is less than or equal to two percent of the height of the upper point and the lower point.

S40, installing a guiding device: installing a guide device outside the positioning pile 501A, namely, enabling the whole guide device to fall onto a riverbed from top to bottom and be sleeved on the positioning pile 501A, enabling the positioning pile 501A to penetrate into the guide device and be attached to one end of the guide device, enabling one end of the guide device to be attached to the positioning pile 501A by using the guide device to enable the guide device to take the positioning pile 501A as a positioning foundation, and erecting the other end of the guide device according to a measurement datum line, so that the positioning datum line transversely arranged on the guide device is aligned with the measurement datum line; the measuring datum line is formed by measuring and positioning the pile sinking area according to the design drawing of the channel revetment, the laying track of the channel revetment is shown, and the steel sheet piles of the channel revetment are positioned and installed along the measuring datum line.

S50, lifting the steel sheet pile: transporting the steel sheet piles by adopting a transport ship, wherein as shown in fig. 4, the steel sheet piles 501 are clamped one by a manipulator on the transport ship, and are vertically inserted into a guide device, the inserted steel sheet piles 501 are connected with a positioning pile 501A in series, the reinserted steel sheet piles 501 are connected with the last inserted steel sheet pile 501 in series, the positioning pile 501A and the steel sheet piles 501 are sequentially connected in series in the guide device to form a steel sheet pile group 50, and the positioning pile 501A supports the steel sheet piles 501 directly connected or indirectly connected with the positioning pile 501 in an upright state; more specifically, when the steel sheet piles 501 are connected in series, the bottom ends of the steel sheet piles 501 are dropped on a river bed, the locking openings 502 at the edges of the steel sheet piles 501 are mutually inserted, the positioning piles 501A are already driven to set a first height position, the positioning piles 501A are stably positioned and fixed in soil of the river bed, the steel sheet piles 501 connected with the positioning piles 501A are supported through the inserting openings 502, the steel sheet piles 501 are kept upright, the next steel sheet pile 501 is supported through the inserting openings 502, and the steel sheet piles 501 connected in series after the positioning piles 501A are kept upright.

S60, positioning steel sheet piles: the guide device positions and fixes the steel sheet piles 501, positions and fixes a plurality of steel sheet piles 501 connected in series with one steel sheet pile group 50 on a measurement datum line, and aligns the steel sheet pile group 50 with the measurement datum line;

S70, steel sheet pile first setting: the pile driver drives the steel sheet piles 501 of one steel sheet pile group 50 one by one to a first height position from one end close to the positioning pile 501A; since the spud 501A of the steel pile group 50 is already in the first height position, in this step the pile driver drives the other steel piles 501 of the steel pile group 50 than the spud 501A.

S80, second driving of the steel sheet piles: the guiding device stops positioning and fixing the steel plate pile groups 50, the last steel plate pile 501 in one steel plate pile group 50 is used as a positioning pile 501A, the rest steel plate piles 501 are all driven to a second height position by a pile driver, the second height position is lower than the first height position, and the guiding device is removed from the outer side of the steel plate pile groups.

S90, circularly driving steel sheet piles: steps S40 to S80 are repeated to set the steel sheet piles of the next steel sheet pile group to the second height position.

In step S60, the positioning and fixing of the steel sheet pile by the guiding device specifically includes the following steps;

s601, manually rotating the knob 406, so that the knob 406 drives the driving screw rod 401 and drives the first positioning rod 201 and the second positioning rod 202 to move in opposite directions, the first positioning rod 201 and the second positioning rod 202 are respectively attached to the first plate surfaces on two sides of the steel plate pile group 50, and the steel plate pile group 50 is clamped and fixed in the longitudinal direction.

S602, the driving motor 302 drives the winding wheel 303 to wind the steel wire rope 304, the steel wire rope 304 pulls the positioning seat 301 to slide along the first long-side guide groove 111 and the second long-side guide groove 112, the positioning seat 301 transversely moves towards the first short-side bracket 103 and is attached to the end part of the steel sheet pile group 50, and the positioning seat 301 and the first short-side bracket 103 transversely clamp and fix the steel sheet pile group 50.

As shown in fig. 5, the steel sheet pile 501 includes a first plate body 503 and two second plate bodies 504 integrally connected to two sides of the first plate body 503, wherein the two second plate bodies 504 are inclined to the same side, so that the steel sheet pile 501 is U-shaped, the outer edges of the two second plate bodies 504 are provided with U-shaped locking openings 502, one end of each locking opening 502 is connected with the second plate body 504, the other end is used as a plugging end 505, and each locking opening 502 is provided with a locking groove 506 parallel to the first plate body 503 and opened towards the first plate body 503.

When two steel sheet piles 501 are connected in series, the inserting end 505 of the locking notch 502 of the first steel sheet pile 501 is inserted into the locking groove 506 of the locking notch 502 of the second steel sheet pile 501, and meanwhile, the inserting end 505 of the locking notch 502 of the second steel sheet pile 501 is inserted into the locking groove 506 of the locking notch 502 of the first steel sheet pile 501, so that the two steel sheet piles 501 are connected in series through mutual insertion between the locking notches 502. In the steel plate pile group 50, one steel plate pile 501 is hooked with the adjacent other steel plate pile 501 in the transverse direction through the socket joint between the locking openings 502, so that the steel plate pile 501 cannot fall down in the transverse direction; meanwhile, as the locking grooves 506 of the locking openings 502 are parallel to the first plate body 503 of the steel plate piles 501, namely, are arranged along the transverse direction, one steel plate pile 501 is enabled to support the adjacent other steel plate pile 501 through the insertion between the locking openings 502 in the longitudinal direction through the side walls of the locking grooves 506, so that the adjacent steel plate piles 501 cannot be lodged in the longitudinal direction, further, the adjacent two steel plate piles 501 are enabled to support each other through the insertion between the locking openings 502, the positioning piles 501A directly or indirectly support the rest steel plate piles 501 in the steel plate pile group 50, the rest steel plate piles 501 are kept upright, the lodging of the steel plate piles 501 is avoided, and the first positioning mechanism 20 and the second positioning mechanism 30 of the guiding device can accurately clamp each steel plate pile 501 of the steel plate pile group 50.

The steel sheet pile group 50 is formed by a plurality of steel sheet piles 501 in series in turn, and the steel sheet piles 501 are U type, and the first plate body 503 of one steel sheet pile 501 faces one side, and the first plate body 503 of next steel sheet pile 501 faces the opposite side, and along with the extension of steel sheet pile group 50, steel sheet pile 501 bulges to both sides in turn, and the first plate body 503 of steel sheet pile group 50 one side all is located first reference surface, and the first plate body 503 of opposite side all is located the second reference surface.

The first positioning rod 201 and the second positioning rod 202 of the first positioning mechanism 20 are symmetrically arranged, the first thread section 402 and the second thread section 403 of the driving screw 401 are also symmetrically arranged, and both the two positioning rods and both the thread sections are symmetrically arranged on the same symmetry line. The positioning datum line of the guide device transversely arranged is the symmetrical line of the first positioning rod 201 and the second positioning rod 202, and when the first positioning rod 201 and the second positioning rod 202 clamp the steel sheet pile group 50, the positioning datum line of the guide device is the same as the two datum surfaces of the steel sheet pile group 50 in distance.

When the first positioning rod 201 and the second positioning rod 202 clamp the steel plate pile group 50, the first plate body 503 of one steel plate pile 501 is attached to the first positioning rod 201, the first plate body 503 of the adjacent other steel plate pile 501 is attached to the second positioning rod 202, the first positioning rod 201 and the second positioning rod 202 respectively push the adjacent two steel plate piles 501, the adjacent two steel plate piles 501 cannot be simultaneously contacted and pushed, the steel plate pile group 50 can generate mutual push in the longitudinal direction under the clamping of the two positioning rods, the adjacent two steel plate piles 501 are mutually supported in the longitudinal direction through the socket between the locking openings 502, so that the adjacent two steel plate piles 501 in the steel plate pile group 50 can be kept stable under the clamping of the first positioning rod 201 and the second positioning rod 202, and cannot be deformed or moved relatively in the longitudinal direction; secondly, the clamping of the first positioning rod 201 and the second positioning rod 202 to the steel sheet piles 501 can further enable the contact between the locking ports 502 of the adjacent steel sheet piles 501 to be more compact, the friction force of the connecting parts of the two locking ports 502 which are mutually inserted is increased, the positioning seat 301 and the first short-side bracket 103 clamp and fasten the steel sheet pile group 50 in the transverse direction, the increased friction force can prevent the connection between the two locking ports 502 from being disconnected, the mutual insertion between the locking ports 502 is kept, the transverse relative movement between the adjacent steel sheet piles 501 is further prevented, and the stability of the steel sheet pile group 50 is kept; and the positioning seat 301 and the first short-side bracket 103 clamp the steel sheet pile group 50 in the transverse direction, so that adjacent steel sheet piles 501 are tightly attached to each other in the transverse direction, meanwhile, the first positioning rod 201 and the second positioning rod 202 clamp the steel sheet piles 501, so that the locking openings 502 of the adjacent steel sheet piles 501 are tightly contacted, the locking openings 502 of the adjacent steel sheet piles 501 are tightly connected, even if the steel sheet piles 501 are tightly meshed, the sealing water locking effect of the channel revetment is improved.

The first positioning mechanism 20 does not need to set a complex structure and simultaneously clamps two sides of the same steel sheet pile 501, and only needs two positioning rods to clamp the steel sheet pile group 50, so that the structural stability of the steel sheet pile group 50 in the longitudinal direction can be maintained, the stability of the steel sheet pile group 50 in the transverse direction can be also maintained, the steel sheet pile group 50 is stably positioned and fixed on a positioning reference line, and then the steel sheet pile 501 is driven to be arranged at an accurate position.

The fixing frame 10 has two-layer fixed frame about, two-layer fixed frame connects through four support frames 101 in four corners about, make fixing frame 10 constitute the frame construction of cube, four support frames 101 support a fixed frame jointly in vertical, a fixed frame carries out the side direction to four support frames 101 on the horizontal plane, reinforcing fixing frame 10's structural strength, when the pile driver strikes steel sheet pile 501, fixing frame 10 can provide stable support to first positioning mechanism 20 and second positioning mechanism 30, first positioning mechanism 20 and second positioning mechanism 30 are more stable to the location of steel sheet pile group 50, guarantee the precision that steel sheet pile 501 beaten.

The steel wire rope 304 pulls the positioning seat 301 to clamp the steel plate pile group 50, the steel wire rope 304 has elasticity, and the elastic force generated under the tensioning state can further pull the positioning seat 301, so that the clamping of the positioning seat 301 and the first short-side bracket 103 and the steel plate pile group 50 is more tight and firm.

The first positioning rod 201 and the second positioning rod 202 can adjust the distance between the first positioning rod 201 and the second positioning rod 202 by moving in opposite directions or moving in opposite directions, the positioning seat 301 can also adjust the distance between the positioning seat and the first short-side bracket 103 by moving, so that the first positioning mechanism 20 and the second positioning mechanism 30 can accommodate steel plate pile groups 50 with different lengths and widths and clamp the steel plate pile groups transversely and longitudinally, and the applicability is high and the operation is simple.

In the sheet pile positioning construction, in the step S70, the steel sheet pile group 50 is driven to the first height position, so that each steel sheet pile of the steel sheet pile group 50 is positioned and fixed at the accurate position, then in the step S80, the last steel sheet pile group 50 is kept at the first height position and is used as a positioning pile 501A of the next steel sheet pile group 50, and the rest steel sheet piles 501 are driven to the second lower height position, so that when the guiding device is mounted outside the positioning pile 501A again from top to bottom, the other steel sheet piles 501 except the positioning pile 501A do not block the mounting of the guiding device at the lower part, the guiding device can be mounted to the preset height, the supporting frame 101 of the guiding device can be firmly inserted into the river bed soil, the guiding device can be stably clamped to the next steel sheet pile group 50, the positioning and mounting of the next steel sheet pile group 50 are accurate, and the construction of the runway bank protection can be smoothly performed. In addition, the steel sheet pile 501 at the first height position is already fixed by stable positioning, at this time, the pile driver is directly adopted to drive the steel sheet pile 501 to the second height position without positioning of a guide device, the steel sheet pile 501 is thrown to keep stable positioning and fixed, and the operation of secondary driving is simpler.

In the above-described exemplary embodiment, in the guide device for positioning sheet piles in a channel revetment, a fixing frame is provided with a first positioning mechanism and a second positioning mechanism, and a steel sheet pile group formed by connecting a plurality of steel sheet piles in series is clamped in the longitudinal direction by two positioning rods of the first positioning mechanism, and is positioned and fixed in the longitudinal direction so that the steel sheet pile group is aligned with a measurement reference line; the positioning seat of the second positioning mechanism and the first short-side bracket clamp the steel plate pile group transversely, and the steel plate pile group is positioned and fixed longitudinally, so that adjacent steel plate piles in the steel plate pile group are kept close, good verticality is kept under the guidance of the positioning piles, and the sealing and water blocking effect of the steel plate pile group is improved; the first positioning mechanism and the second positioning mechanism enable the steel plate pile group to be positioned and fixed transversely and longitudinally at the same time, so that the stability of the steel plate pile group in the driving process is improved, the position accuracy and the verticality of the driven steel plate pile are improved, and the steel plate pile group without length and width can be adapted; the construction method has the advantages of less equipment consumption and high utilization rate, can effectively shorten the construction period by forming the running water construction, avoids the waste of human-machine materials, is simple, convenient and quick to mount and dismount, can be repeatedly used, ensures the perpendicularity of the steel sheet pile, improves the construction precision of the enclosure structure and the effect of sealing and locking water, has strong applicability, and solves the problems that the existing guide positioning device has complex structure and complex operation and cannot be adjusted according to the size of the steel sheet pile.

In some embodiments, the supporting frame 101 is a telescopic rod, and the first short side bracket 103 of the first fixing frame 10A is located at a height position higher than the second height position and lower than the first height position in the guiding device, and one steel sheet pile group 50 includes at least two steel sheet piles 501.

In step S40, when the guiding device is installed outside the positioning pile 501A, the fixing frame 10 is sleeved on the positioning pile 501A, the four supporting frames 101 are extended, and the conical heads 102 at the bottom ends of the supporting frames 101 are all pricked into the soil.

In step S80, the specific step of stopping positioning and fixing the steel sheet pile group by the guiding device includes: a reverse operation step S601 and a reverse operation step S602. More specifically, the knob 406 is manually rotated, so that the knob 406 drives the driving screw 401 and drives the first positioning rod 201 and the second positioning rod 202 to move oppositely, and the steel sheet pile group 50 is loosened; the driving motor 302 drives the winding wheel 303 to release the steel wire rope 304, and the positioning seat 301 is manually pushed to move transversely towards the second short-side bracket 104 and away from the steel plate pile group 50 to be loosened.

In step S80, the specific steps of removing the guiding device from the outer side of the steel sheet pile group are: the four supporting frames 101 of the fixing frame 10 are shortened, the cone heads 102 at the bottom ends of the supporting frames 101 are pulled out from soil, the first short-side brackets 103 of the second fixing frame 10B are removed, and the fixing frame 10 is translated along the measuring datum line until the first short-side brackets 103 of the first fixing frame 10A are abutted against the positioning piles 501A of the next steel pile group 50.

When the pile driver drives the steel sheet pile 501, the pile hammer of the pile driver firstly accelerates to fall down to collide with the steel sheet pile 501, then abuts against the steel sheet pile 501 and pushes the steel sheet pile 501 at a constant speed, and the speed of the pile hammer when colliding with the steel sheet pile 501 is higher than the speed of the pile hammer when pushing the steel sheet pile 501 at a constant speed.

The soil is pulled out through the telescopic supporting frame 101, so that the fixation of the fixing frame 10 is quickly eliminated, and the fixing frame 10 can translate.

The first short-side bracket 103 of the first fixed frame 10A is located at a height position between the first height position and the second height position, that is, when the steel sheet pile 501 is located at the first height position, the top end thereof is higher than the first short-side bracket 103 of the first fixed frame 10A; when the steel sheet pile 501 is in the second height position, its top end is lower than the first short-side bracket 103 of the first fixing frame 10A.

In step S40, after the guide device is mounted on the outer side of the positioning pile 501A, the first short side support 103 of the first fixing frame 10A of the guide device is located at a lower height position than the first height position, so that the positioning pile 501A can protrude upwards relative to the first fixing frame 10A, and the positioning pile 501A can be abutted against the first short side support 103 of the first fixing frame 10A, so that one end of the guide device uses the positioning pile 501A as a positioning base.

In step S80, the first short side support 103 of the second fixing frame 10B is removed, a door-shaped structure can be formed at one end of the fixing frame 10, the first short side support 103 of the first fixing frame 10A is located at a higher height position than the second height position in the guiding device, the steel sheet pile 501 of the last steel sheet pile group 50 located at the second height position is located below the first short side support 103 of the first fixing frame 10A, the steel sheet pile 501 driven to the second height position is enabled to pass through, the fixing frame 10 is not hindered, the fixing frame 10 is enabled to translate smoothly, the fixing frame 10 translates and is mounted outside the next positioning pile 501A, the first short side support 103 of the first fixing frame 10A can be attached to the next positioning pile 501A, the next fixing position of the fixing frame 10 is located, when the fixing frame 10 is transferred to the next steel sheet pile group 50 from one steel sheet pile group 50, the fixing frame 10 can be fixed again after translation without integral vertical hoisting of the fixing piles, operation is convenient, and flow operation is further accelerated.

The telescopic rod can be a hydraulic telescopic rod or an air telescopic rod, and can keep a stable extension state by continuously filling gas or liquid, so that the telescopic rod is firmly inserted into soil, and the fixing frame is kept stable under the impact of the pile driver. How to realize the fixation and the length maintenance of the telescopic rod is the prior art and is not the point of the application.

When the pile driver drives the steel sheet pile 501, the pile hammer of the pile driver firstly accelerates to fall down to collide with the steel sheet pile 501, then abuts against the steel sheet pile 501 and pushes the steel sheet pile at a constant speed, and the speed of the pile hammer when colliding with the steel sheet pile 501 is higher than the speed of the pile hammer when pushing the steel sheet pile at a constant speed. The pile driver is to the mode of beating earlier at slowly pushing away of steel sheet pile 501, has reduced the vibration of beating and setting in-process steel sheet pile 501, makes it can steadily and accurately beat and establish the preset position, and the straightness that hangs down of pile can be guaranteed to the in-process of beating and setting.

One steel sheet pile group 50 includes at least two steel sheet piles 501, that is, the steel sheet pile group 50 has two steel sheet piles 501 protruding to both sides, respectively, and both sides of the steel sheet pile group 50 can be located on the first reference surface and the second reference surface thereof, respectively, so that the guide device can clamp the steel sheet pile group 50 on the measurement reference line when the positioning reference line of the guide device is aligned with the measurement reference line.

In some embodiments, as shown in fig. 6, the positioning seat 301 is provided with a spacing support assembly 60, the spacing support assembly 60 includes a spacing seat 601, a supporting plate 602 and a fixing bolt 603, the positioning seat 301 is longitudinally provided with a positioning groove 305, the supporting plate 602 and the spacing seat 601 are respectively attached to the top surface and the bottom surface of the positioning seat 301, the fixing bolt 603 passes through the supporting plate 602 and the positioning groove 305 and is in threaded connection with the spacing seat 601, the supporting plate 602 supports a screw head at the top of the fixing bolt 603, and when the fixing bolt 603 is screwed, the spacing seat 601 and the supporting plate 602 clamp the positioning seat 301 for spacing and fixing the spacing support assembly 60; the bottom surface of the limiting seat 601 is provided with a limiting groove 604, the limiting support assembly 60 is provided with two groups, and the first positioning rod 201 and the second positioning rod 202 are both positioned in the limiting groove 604 of the corresponding limiting seat.

Step S600 is performed before step S601, and step S603 is performed after step S602;

s600, fixing bolts 603 of the two limiting support assemblies 60 are rotated, so that the supporting plate 602 and the limiting seat 601 loosen the positioning seat 301, and the two limiting support assemblies 60 can respectively follow the first positioning rod 201 and the second positioning rod 202.

S603, rotating the fixing bolts 603 of the two limiting support assemblies 60 to enable the support plate 602 and the limiting seat 601 to clamp the positioning seat 301, and fixing the two limiting support assemblies 60 on the positioning seat 301 and longitudinally supporting the first positioning rod 201 and the second positioning rod 202 respectively.

In step S600, the fixing bolts 603 are loosened, so that the limit support assembly 60 can move freely along with the positioning rods, the movement of the positioning rods is not limited, and the two positioning rods clamp the steel sheet pile group 50 in step S601. After step S602, the steel pile group 50 is clamped in both the transverse direction and the longitudinal direction, step S603 is performed, the fixing bolts 603 are screwed, and the limit support assemblies 60 are fixed with the positioning seats, so that the positioning seats 301 can respectively support the two positioning rods in the longitudinal direction through the two limit support assemblies 60, the driving screw 401 respectively supports the two positioning rods in the longitudinal direction through the two driving seats, both ends of the positioning rods are provided with the longitudinal supports, the stability of the positioning rods is improved, and the steel pile group 50 can be firmly clamped.

When the positioning seat 301 moves towards the first short-side bracket 103, the limiting seats of the two limiting support assemblies 60 slide on the two positioning rods through the limiting seat 601.

In some embodiments, as shown in fig. 7 to 8, the second short-side guide groove 109 is a T-shaped groove and is divided into a first groove body 113 and a second groove body 114, and the first groove body 113 has a width larger than that of the second groove body 114.

The second short-side guide groove 109 is provided with a first limit slider 115 and a second limit slider 116 in a sliding manner, the first limit slider 115 and the second limit slider 116 are both positioned in the first groove body 113 and matched with the first groove body 113, and the first positioning rod 201 and the second positioning rod 202 are both positioned in the first groove body 113 and matched with the first groove body.

The first limiting slide block 115 and the second limiting slide block 116 are both in a strip shape, the first positioning rod 201 is vertically connected to one end of the first limiting slide block 115, and the other end of the first limiting slide block 115 extends to one side far away from the second positioning rod 202; the second positioning rod 202 is vertically connected to one end of the second limiting slider 116, and the other end of the second limiting slider 116 extends to a side far away from the first positioning rod 201.

The two locating rods are matched with the second groove body 114, so that the upper side wall and the lower side wall of the second groove body 114 are in sliding contact with the locating rods, the locating rods are vertically limited, and the vertical stability is improved.

The limiting slide block is matched with the first groove body 113, the cross section shapes and the sizes of the limiting slide block and the first groove body are the same, the outer wall of the limiting slide block is in sliding contact with the inner wall of the first groove body 113, further, the limiting slide block is in a strip shape, the guiding effect of the second short-side guide groove 109 on the limiting slide block is further increased, and the limiting slide block can only slide along the second short-side guide groove 109 and cannot deflect.

After the locating rod is connected with the limiting slide block, an L-shaped structure is formed at the end part, and the limiting slide block cannot deflect under the limiting and guiding actions of the second short-side guide groove 109, so that the limiting slide block not only transversely limits and supports the locating rod, but also can longitudinally support the locating rod, and when the locating rod clamps the steel plate pile group 50, bending deformation cannot occur in the longitudinal direction due to reverse pushing of the steel plate pile, and the two locating rods can clamp and position the steel plate pile group 50 on a measuring reference line.

The two limit sliding blocks extend outwards, so that the space between the two locating rods is not occupied, the two locating rods can move in opposite directions at the minimum distance, and the steel plate pile group is fully clamped.

In some embodiments, as shown in fig. 9, an end of the driving screw 401 extending out of the first short-side support 103 is mounted on the shaft seat 110 mounted on the first short-side support 103, the driving screw 401 is provided with a ratchet 407, the ratchet 407 is located in the shaft seat 110, the shaft seat 110 is provided with an elastic limiting pin 117, and when the driving screw 401 is rotated to drive the first driving seat 404 and the second driving seat 405 to move oppositely, the elastic limiting pin 117 is blocked into the gear teeth of the ratchet 407 to prevent the driving screw 401 from rotating reversely.

Through the cooperation of the ratchet wheel 407 and the elastic limiting pin 117, when the steel plate pile group 50 is clamped, the driving screw rod 401 can rotate, and the elastic limiting pin 117 can jump along with the rotating ratchet wheel 407; after the steel plate pile group 50 is clamped, the elastic limiting pins 117 are clamped into the gear teeth of the ratchet 407, so that the ratchet 407 cannot rotate reversely, the driving screw rod 401 cannot rotate reversely, the two positioning rods keep clamping the steel plate pile group 50, the clamping locking operation of the steel plate pile group 50 is easy, the driving screw rod 401 is rotated forcefully through the knob 406, and the steel plate pile group 50 can be locked to the maximum clamping degree relatively easily. By manually pulling up the elastic limit pin 117, the limit on the reverse rotation of the ratchet 407 can be eliminated, so that the two positioning rods release the steel pile group.

In some embodiments, the positioning seat 301 is provided with a rubber extrusion block 306 at a side close to the first short-side bracket 103. When the positioning seat 301 transversely pushes against the steel plate pile group 50, the rubber extrusion block 306 contacts with the end part of the steel plate pile group 50, so that the locking notch 502 at the edge of the steel plate pile 501 is protected, deformation of the steel plate pile is avoided under pushing, and the generated elastic force can further clamp the steel plate pile group 50, so that the positioning stability of the steel plate pile group is improved.

In some embodiments, two inclined supporting rods 118 are respectively arranged between the two first long-side brackets 105 and between the two second long-side brackets 106 of the two fixed frames, reinforcing plates 119 are respectively arranged between two ends of the first long-side brackets 105 and two ends of the second long-side brackets 106 of the second fixed frame 10B and the corresponding supporting frames 101, one end of each inclined supporting rod 118 is connected with the corresponding reinforcing plate 119, and the other end is connected with the corresponding first long-side bracket 105 above or the corresponding second long-side bracket 106 above; both ends of the first short-side bracket 103 of the second fixing frame 10B are detachably connected with the corresponding supporting frame 101.

The diagonal brace 118 can support the mount 10 vertically and laterally, and can improve the stability of the mount when the guide grips the steel pile set 50 and the pile driver drills the steel pile set 50. After the first short side bracket 103 of the second fixed frame 10B is removed, one side of the fixed frame 10 forms a door-shaped structure formed by two supporting frames 101 and one short side bracket, so that the steel sheet pile 501 which is arranged at the second height position can pass through the guide device, the guide device is convenient to shift, the pipelining operation is performed, the structural strength of the front side and the rear side of the fixed frame 10 can be improved by the two pairs of diagonal braces 118, the stability of the two supporting frames 101 on the two sides of the door-shaped structure is enhanced, and therefore the stability of the door-shaped structure is improved, and after the first short side bracket 103 of the second fixed frame 10B is removed, the fixed frame 10 can still keep stronger stability. The reinforcing plate 119 not only increases the connection strength between the second fixing frame 10B and the supporting frame 101, but also can stably support the diagonal brace 118, further improving the structural strength of the fixing frame.

In some embodiments, the four supporting frames 101 are provided with limiting plates 120, and the four limiting plates 120 are located on the same horizontal plane below the second fixing frame 10B. The four limiting plates 120 are disposed along the transverse direction, so that the four limiting plates 120 are opposite to each other, and extend below the second fixing frame 10B.

The cone head 102 of the supporting frame 101 is pricked into soil, the limiting plate 120 is attached to the surface of a river bed, the river bed supports the fixing frame 10 through the limiting plate 120, when the steel sheet pile group 50 is clamped by the guiding device, the fixing frame 10 is prevented from sinking due to the fact that a pile driver drives steel sheet piles, the fixing frame 10 is kept stable, and accordingly the steel sheet piles 501 in driving are stably guided.

The limiting plates 120 extend inwards and transversely, so that space below the fixed frame is fully utilized, space occupation of the fixed frame 10 is prevented from being increased, corresponding supporting frames 101 can be supported, inward lodging of the supporting frames is prevented, and stability of two sides of the fixed frame in the transverse direction is improved.

Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.

Claims

1. The guide device for positioning the sheet piles in the shore protection of the channel is characterized by comprising a fixing frame, a first positioning mechanism and a second positioning mechanism;

the four corners of the fixing frame are respectively provided with a vertically arranged supporting frame, and the bottom end of the supporting frame is provided with a cone head part which is used for being pricked into soil downwards; the fixing frame comprises a first short-side bracket, a second short-side bracket, a first long-side bracket and a second long-side bracket, wherein the first long-side bracket and the second long-side bracket are parallel to each other and are arranged along the transverse direction; the first short-side bracket and the second short-side bracket are parallel to each other and are arranged along the longitudinal direction; the ends of the first short-side bracket, the second short-side bracket, the first long-side bracket and the second long-side bracket are connected with the corresponding supporting frames to form a rectangular fixed frame; the two fixing frames are horizontally arranged and are respectively a first fixing frame and a second fixing frame which are positioned at the top and the middle of the fixing frame; the first positioning mechanism and the second positioning mechanism are both arranged on the first fixed frame;

The first positioning mechanism comprises a first positioning rod, a second positioning rod and a driving assembly; the first positioning rod and the second positioning rod are parallel to each other and are arranged along the transverse direction; the driving assembly is arranged in an assembly bin arranged on the first short-side bracket and comprises a driving screw rod which is longitudinally arranged, the driving screw rod is provided with a first threaded section and a second threaded section, and a first driving seat and a second driving seat are respectively arranged on the first threaded section and the second threaded section in a threaded manner; a first short-side guide groove is longitudinally formed in one side, close to the second short-side bracket, of the first short-side bracket, and a second short-side guide groove is longitudinally formed in one side, close to the first short-side bracket, of the second short-side bracket; one end of the first positioning rod is slidably mounted in the first short-side guide groove and is integrally connected with the first driving seat, and the other end of the first positioning rod is slidably mounted in the second short-side guide groove; one end of the second positioning rod is slidably arranged in the first short-side guide groove and is integrally connected with the second driving seat, and the other end of the second positioning rod is slidably arranged in the second short-side guide groove; the first thread section and the second thread section are opposite in thread direction, and when the first thread section and the second thread section are used for rotating the driving screw rod, the first driving seat and the second driving seat move oppositely or move oppositely; the driving screw rod extends out from one end of the first short-side bracket and is provided with a knob;

The second positioning mechanism comprises a positioning seat, a driving motor, a winding wheel and a steel wire rope; the top surfaces of the first long-side bracket and the second long-side bracket are respectively provided with a first long-side guide groove and a second long-side guide groove, the first long-side guide groove and the second long-side guide groove are mutually parallel and are transversely arranged, two sides of the positioning seat are respectively and slidably arranged in the first long-side guide groove and the second long-side guide groove, the driving motor is arranged on the positioning seat, the winding wheel is arranged on an output shaft of the driving motor, the steel wire rope is wound on the winding wheel, one end of the steel wire rope is fixedly connected with the winding wheel, and the other end of the steel wire rope is fixedly connected with the first short-side bracket.

2. The guide device for positioning the plate piles on the sea way revetment according to claim 1, wherein the positioning seat is provided with a limiting and supporting assembly, the limiting and supporting assembly comprises a limiting seat, a supporting plate and a fixing bolt, the positioning seat is longitudinally provided with positioning grooves, the supporting plate and the limiting seat are respectively stuck on the top surface and the bottom surface of the positioning seat, the fixing bolt penetrates through the supporting plate and the positioning grooves and is in threaded connection with the limiting seat, the supporting plate supports a screw head at the top of the fixing bolt, and the limiting seat and the supporting plate clamp the positioning seat when the fixing bolt is screwed, so that the limiting and supporting assembly is limited and fixed; the bottom surface of spacing seat has the spacing groove, spacing supporting component has two sets of, first locating lever with the second locating lever all is located corresponding in the spacing groove of spacing seat.

3. The guide device for positioning a sheet pile in a channel revetment according to claim 1, wherein the second short side guide groove is a T-shaped groove and is divided into a first groove body and a second groove body, and the width of the first groove body is larger than that of the second groove body;

the first positioning rod and the second positioning rod are positioned in the first groove body and matched with the first groove body;

the first limiting slide block and the second limiting slide block are both in a strip shape, the first positioning rod is vertically connected to one end of the first limiting slide block, and the other end of the first limiting slide block extends to one side far away from the second positioning rod; the second locating rod is vertically connected with one end of the second limiting slide block, and the other end of the second limiting slide block extends to one side far away from the first locating rod.

4. The guide device for positioning a sheet pile in a channel revetment according to claim 1, wherein one end of the driving screw extending out of the first short side bracket is mounted on a shaft seat mounted on the first short side bracket, the driving screw is provided with a ratchet wheel, the ratchet wheel is positioned in the shaft seat, the shaft seat is provided with an elastic limiting pin, and when the driving screw is rotated to drive the first driving seat and the second driving seat to move in opposite directions, the elastic limiting pin is clamped into gear teeth of the ratchet wheel to prevent the driving screw from rotating reversely.

5. The guide device for positioning a sheet pile in a channel revetment according to claim 1, wherein a rubber extrusion block is arranged on one side of the positioning seat close to the first short side bracket.

6. The guide device for positioning the plate piles on the sea way revetment according to claim 1, wherein two inclined supporting rods which are obliquely arranged are arranged between two first long-side brackets and between two second long-side brackets of the two fixed frames, reinforcing plates are arranged between two ends of the first long-side brackets and two ends of the second long-side brackets of the second fixed frames and the corresponding supporting frames, one end of each inclined supporting rod is connected with the corresponding reinforcing plate, and the other end of each inclined supporting rod is connected with the corresponding first long-side bracket above or the corresponding second long-side bracket above; and two ends of the first short-side bracket of the second fixed frame are detachably connected with the corresponding supporting frame.

7. The guide device for positioning the plate piles on the shore protection of the waterway according to claim 1, wherein the four supporting frames are provided with limiting plates, and the four limiting plates are positioned on the same horizontal plane below the second fixed frame;

the four limiting plates are arranged transversely, are opposite to each other, and extend to the lower portion of the second fixing frame.

8. A method for positioning and constructing sheet piles in a channel revetment, which is characterized by adopting the guiding device for positioning the sheet piles in the channel revetment according to any one of claims 1 to 7, comprising the following steps:

9. The method for positioning and constructing the sheet pile in the channel revetment according to claim 8, wherein the method comprises the following steps: the support frame is a telescopic rod, the height position of the first short side bracket of the first fixed frame in the guide device is higher than the second height position and lower than the first height position, and one steel sheet pile group at least comprises two steel sheet piles;

10. The method for positioning and constructing the sheet pile in the channel revetment according to claim 8, wherein the method comprises the following steps: the positioning seat is provided with a limiting support assembly, the limiting support assembly comprises a limiting seat, a supporting plate and a fixing bolt, step S600 is carried out before step S601, and step S603 is carried out after step S602;

s600, rotating fixing bolts of two limiting support assemblies to enable the support plate and the limiting seat to loosen the positioning seat, wherein the two limiting support assemblies can respectively follow the first positioning rod and the second positioning rod;

s603, rotating fixing bolts of the two limiting support assemblies to enable the support plate and the limiting seat to clamp the positioning seat, wherein the two limiting support assemblies are fixed on the positioning seat and respectively longitudinally support the first positioning rod and the second positioning rod.