Control device for positioning accuracy when driving inclined piles

Abstract

A device for controlling the positioning accuracy during piling of inclined piles, comprising a fixing bracket, a device for opening and closing the piling point, a limiting roller assembly and an inclined rod assembly; characterized in that that the mounting bracket comprises an upper platform, a lower platform and four inclined support columns; wherein the upper platform comprises two outer upper longitudinal beams, a rear upper cross beam connected between the rear ends of the two outer upper longitudinal beams, and a ramming point opening and closing upper beam connected between the front ends of the two outer upper longitudinal beams; wherein a central upper cross beam is connected between the rear parts of the two outer upper longitudinal beams, the central upper cross beam forming a U-shaped upper flow channel with the front central parts of two outer upper longitudinal beams; wherein the sub-platform comprises two outer lower longitudinal beams, a rear lower cross beam connected between the rear ends of the two outer lower longitudinal beams, and a ramming point opening and closing sub-beam connected between the front ends of the two outer lower longitudinal beams; wherein the length of the outer lower longitudinal beams is greater than that of the outer upper longitudinal beams; wherein a middle lower cross beam is connected between the middle parts of the two outer lower longitudinal beams, the middle lower cross beam forming a U-shaped sub-flow channel with the front middle parts of two outer lower longitudinal beams; wherein four diagonal support columns are mounted correspondingly at the two ends of the outer lower longitudinal beams and at the two ends of the outer upper longitudinal beams; wherein the ramming point opening and closing device comprises both an upper beam for ramming point opening and closing connected between the front ends of the two outer upper longitudinal beams and a lower beam for ramming point opening and closing connected between the front ends of the two outer lower longitudinal beams; wherein the limit roller assembly comprises four upper limit rollers and three lower limit rollers; wherein the four upper limit rollers are each mounted by means of screws corresponding to the front head surface of the two outer upper longitudinal beams, the middle head surface of the middle upper cross beam, and the middle head surface of the upper beam for ramming point opening and closing; wherein the three lower limit rollers are each mounted by means of screws corresponding to the front head surface of the two outer lower longitudinal beams and the middle head surface of the lower beam for ramming point opening and closing; wherein the inclined rod assembly comprises a inclined rod body and two guide rollers; wherein the inclined rod body is made of H-section steel and has a set of holes in the top web that coincides with the center of the middle lower cross member, wherein the inclined rod body is mounted on the middle bottom surface of the middle upper cross member such that the inclination of the inclined rod body is adapted to the inclination of the inclined pile; wherein the two guide rollers are respectively mounted on the front lower end surface and the front upper end surface of the inclined rod body.

Description

Technical area

[0001] The present utility model relates to a device for controlling the positioning accuracy during the driving of inclined piles. Background technology

[0002] The use of inclined piles as foundations for quays is a common construction method. The inclined piles must be driven into the seabed to a specific depth. To ensure that the inclination of the piles after piling, as well as any deviations in their relative position, comply with the design values, it is necessary to control the positioning accuracy both before immersing the inclined piles in the water and during the piling process.

[0003] When driving inclined piles, a temporary offshore auxiliary platform is required. Typically, a guidance and limiting device is installed at the upper level of the auxiliary platform around the driving point of the inclined pile. The guidance and limiting devices currently available on the market are primarily designed for inclined piles of a uniform diameter. If the pile diameter changes, the device must be modified accordingly before it can be used again. Modifying the guidance and limiting device is comparatively complex, time-consuming, and associated with a higher degree of difficulty. Furthermore, the devices available on the market are generally mounted relatively high above the auxiliary platform and usually consist of multiple components in terms of height.After completing the piling work, it is necessary to dismantle the superstructure to reduce the height of the rig before piling work can continue. This results in a cumbersome process and reduced efficiency in the piling work. Content of the utility model

[0004] The purpose of the present utility model application is to overcome the deficiencies of the prior art and to provide a control device for positioning accuracy in the driving of inclined piles, which not only enables the driving of inclined piles of different pile diameters, but is also characterized by simple operation and increases the driving efficiency for inclined piles.

[0005] A technical solution for achieving the objective of the present utility model is: A control device for positioning accuracy during piling of inclined piles, comprising a fixing bracket, a device for opening and closing the piling point, a limiting roller assembly and an inclined rod assembly; that the mounting bracket comprises an upper platform, a lower platform and four inclined support columns; wherein the upper platform comprises two outer upper longitudinal beams, a rear upper cross beam connected between the rear ends of the two outer upper longitudinal beams, and a ramming point opening and closing upper beam connected between the front ends of the two outer upper longitudinal beams; wherein a central upper cross beam is connected between the rear parts of the two outer upper longitudinal beams, the central upper cross beam forming a U-shaped upper flow channel with the front central parts of two outer upper longitudinal beams; wherein the sub-platform comprises two outer lower longitudinal beams, a rear lower cross beam connected between the rear ends of the two outer lower longitudinal beams, and a ramming point opening and closing sub-beam connected between the front ends of the two outer lower longitudinal beams; wherein the length of the outer lower longitudinal beams is greater than that of the outer upper longitudinal beams; wherein a middle lower cross beam is connected between the middle parts of the two outer lower longitudinal beams, the middle lower cross beam forming a U-shaped sub-flow channel with the front middle parts of two outer lower longitudinal beams; wherein four diagonal support columns are mounted correspondingly at the two ends of the outer lower longitudinal beams and at the two ends of the outer upper longitudinal beams; wherein the ramming point opening and closing device comprises both an upper beam for ramming point opening and closing connected between the front ends of the two outer upper longitudinal beams and a lower beam for ramming point opening and closing connected between the front ends of the two outer lower longitudinal beams; wherein the limit roller assembly comprises four upper limit rollers and three lower limit rollers; wherein the four upper limit rollers are each mounted by means of screws corresponding to the front head surface of the two outer upper longitudinal beams, the middle head surface of the middle upper cross beam, and the middle head surface of the upper beam for ramming point opening and closing; wherein the three lower limit rollers are each mounted by means of screws corresponding to the front head surface of the two outer lower longitudinal beams and the middle head surface of the lower beam for ramming point opening and closing; wherein the inclined rod assembly comprises a inclined rod body and two guide rollers; wherein the inclined rod body is made of H-section steel and has a set of holes in the top web that coincides with the center of the middle lower cross member, wherein the inclined rod body is mounted on the middle bottom surface of the middle upper cross member such that the inclination of the inclined rod body is adapted to the inclination of the inclined pile; wherein the two guide rollers are respectively mounted on the front lower end surface and the front upper end surface of the inclined rod body.

[0006] In the above-mentioned control device for positioning accuracy during piling of inclined piles, a central upper longitudinal beam is connected between the central part of the central upper cross member and the central part of the rear upper cross member; wherein a right-angled triangular transition plate is mounted between the two ends of the head surface of the central upper cross member and the rear head surface of both outer upper longitudinal beams; wherein a central lower longitudinal beam is connected between the central part of the central lower cross member and the central part of the rear lower cross member; wherein a vertical support is connected between the rear parts of the two outer lower longitudinal beams and the rear parts of the two outer upper longitudinal beams; where outer upper longitudinal member, rear upper cross member, middle upper cross member, middle upper longitudinal member, outer lower longitudinal member, rear lower cross member, middle upper cross member, middle lower longitudinal member, diagonal support column and vertical support column are all made of H-section steel.

[0007] In the above-mentioned positioning accuracy control device for piling inclined piles, the upper beam for driving point opening and closing and the lower beam for driving point opening and closing each comprise a box girder, a movable joint seat connected to one end of the box girder, and a locking seat connected to the other end of the box girder; wherein the hinge seat at the end of the upper beam for ramming point opening and closing is hinged to the front end of an outer upper longitudinal beam by means of a hinge shaft, while the locking seat of the other end of the outer upper longitudinal beam is connected to the front end of an outer upper longitudinal beam by a locking bar; wherein the hinge seat at the end of the lower beam for ramming point opening and closing is hinged to the front end of an outer lower longitudinal beam by means of a hinge shaft, while the latch seat of the other end of the outer lower longitudinal beam for ramming point opening and closing is connected to the front end of an outer lower longitudinal beam by a latch.

[0008] In the above-mentioned positioning accuracy control device for piling inclined piles, each of the upper limit rollers and the lower limit rollers comprises a base plate, a pair of wave plates mounted on both sides of the base plate, a rotary shaft spanned between the pair of wave plates, and rubber rollers mounted on the rotary shaft; and a plurality of screw holes are arranged correspondingly and at intervals on both side edges of the base plate.

[0009] In the above-mentioned control device for positioning accuracy during pile driving of inclined piles, the control device further comprises four guide plates, which are each mounted by means of holding plates correspondingly on the head surface of two transition plates of the upper platform and on the head surface of the two outer upper longitudinal beams, wherein each guide plate is an arc plate.

[0010] The control device for positioning accuracy during pile driving of inclined piles in the present utility model has the following features: 1) Within the specified range, pile driving for piles of different diameters can be performed by adjusting the screw position of the limit rollers. This achieves greater precision in controlling the pile position, inclination, and twist angle of the inclined pile, and also ensures more thorough protection of the pile body. 2) The rig is located at a height below the auxiliary platform. During pile driving, the lower parts of the rig's inclined rod assembly extend below the auxiliary platform. No disassembly of components is required during piling, simplifying operation and increasing the efficiency of piling inclined piles. Illustration of the attached drawings Fig. 1 shows the front view of the positioning accuracy control device for driving inclined piles in the present utility model; Fig. 2 shows the plan view of the upper platform of the positioning accuracy control device for driving inclined piles in the present utility model; Fig. 3 shows the floor plan of the sub-platform of the control device in the present utility model; Fig. 4 is the view along the direction AA of Fig. 2; Fig. 5a shows the front view of the limit roller in the control device in the present utility model; Fig. 5b is the view along the direction BB of Fig. 5a; Fig. 6 shows the front view of the inclined rod assembly of the control device in the present utility model. Specific embodiments

[0011] The present utility model is described in more detail below with reference to the attached drawings.

[0012] With reference to Fig. 1 to Fig. 6, the positioning accuracy control device for driving inclined piles in this utility model consists of a fixing bracket, a driving point opening and closing device, a limiting roller assembly, and an inclined rod assembly 7.

[0013] The mounting bracket comprises an upper platform 1, a lower platform 2, two beams for ramming point opening and closing 3, four inclined support columns 41 and two vertical support columns 42; wherein the upper platform 1 comprises two outer upper longitudinal beams 11, a rear upper cross beam 12 connected between the rear ends of the two outer upper longitudinal beams 11, a middle upper cross beam 13 spanned between the two rear parts of the outer upper longitudinal beams 11, and a middle upper longitudinal beam 14 connected between the middle part of the middle upper cross beam 13 and the middle part of the rear upper cross beam 12, wherein the middle and front part of the middle upper cross beam 13 forms the U-shaped upper ramming point 1A with the middle and front parts of the two outer upper longitudinal beams 11; wherein a right-angled triangular transition plate 15 is mounted between the two ends of the head surface of the middle upper cross beam 13 and the rear head surface of each of the two outer upper longitudinal beams 11;wherein a lifting eye 16 is mounted on the head surfaces of each of the two ends of the two outer upper longitudinal beams 11 of the upper platform 1; wherein the sub-platform 2 comprises two outer lower longitudinal beams 21, a rear lower cross beam 22 connected between the rear ends of the two outer lower longitudinal beams 21, and a middle lower cross beam 23 spanned between the two middle parts of the outer lower longitudinal beams 21, as well as a middle lower longitudinal beam 24 connected between the middle part of the middle lower cross beam 23 and the middle part of the rear lower cross beam 22; wherein the length of the outer lower longitudinal beams 21 is greater than that of the outer upper longitudinal beams 11; wherein the middle and front part of the middle lower cross beam 23 forms the U-shaped upper ramming point 2A with the middle and front parts of the two outer lower longitudinal beams 21;

[0014] The ramming point opening and closing device comprises the ramming point opening and closing upper beam 3A and the ramming point opening and closing lower beam 3B; wherein the ramming point opening and closing upper beam 3A and the ramming point opening and closing lower beam 3B each comprise a box beam 30, a movable joint seat connected to one end of the box beam 30, and a locking seat connected to the other end of the box beam;

[0015] The hinge seat at the end of the lower beam for ramming point opening and closing 3A is hingedly connected to the front end of an outer upper longitudinal beam 11 by means of a hinge shaft 31, while the latch seat of the other end of the outer upper longitudinal beam for ramming point opening and closing 3A is connected to the front end of an outer upper longitudinal beam 11 by a latch 32;

[0016] The hinge seat at the end of the lower beam for ramming point opening and closing 3B is hinged to the front end of an outer lower longitudinal beam 21 by means of a hinge shaft 31, while the latch seat of the other end of the outer lower longitudinal beam for ramming point opening and closing 3B is connected to the front end of an outer lower longitudinal beam 21 by a latch 32;

[0017] Four diagonal support columns 41 are each mounted correspondingly at the two ends of the outer lower longitudinal beams 21 and at the two ends of the outer upper longitudinal beams 11;

[0018] Two vertical support columns 42 are each mounted correspondingly on the rear parts of the outer lower longitudinal beams 21 and on both rear parts of the outer upper longitudinal beams 11.

[0019] Outer upper longitudinal member 11, rear upper cross member 12, middle upper cross member 13, middle upper longitudinal member 14, outer lower longitudinal member 21, rear lower cross member 22, middle lower cross member 23, middle lower longitudinal member 24, inclined support column 41 and vertical support column 42 are all made of H-section steel.

[0020] The limiting roller assembly comprises four upper limiting rollers 5A and three lower limiting rollers 5B; wherein the four upper limiting rollers 5A are each mounted by means of screws 5C on the circumference of the upper ramming point 1A, i.e. four upper limiting rollers 5A are mounted correspondingly on the front head surface of the two outer upper longitudinal beams 11, the middle head surface of the middle upper cross beam 13 and the middle head surface of the upper beam for ramming point opening and closing 3A; wherein the three lower limiting rollers 5B are each mounted by means of screws 5C on the circumference of the lower ramming point 2A, i.e.Three lower limit rollers 5B are mounted correspondingly on the front head surface of the two outer lower longitudinal beams 21 and the middle head surface of the ramming point opening and closing lower beam 3B; each of the upper limit rollers 5A and lower limit rollers 5B comprises a base plate 50, a pair of wave plates 51 mounted on the two sides of the base plate 50, a rotary shaft 52 spanned between the pair of wave plates 51, and rubber rollers 53 mounted on the rotary shaft 52; a plurality of screw holes are arranged correspondingly and at intervals on the two side edges of the base plate 50;

[0021] The four guide plates 6 are each fastened via retaining plates 60 to the top surface of the two transition plates 15 of the upper platform 1 and to the front of the two outer upper longitudinal beams 11. The two retaining plates 60 of the guide plates 6, fastened to the top surfaces of the two transition plates 15, form an angle of 90°.

[0022] The inclined rod assembly 7 comprises a inclined rod body 70 and two guide rollers 72; wherein the inclined rod body 70 is made of H-section steel and has a set of holes 71 in the top web that coincides with the center of the middle lower cross member 23, wherein the inclined rod body 70 is mounted on the middle bottom surface of the middle upper cross member 13 so that the inclination of the inclined rod body 70 is adapted to the inclination of the inclined pile 8; wherein the two guide rollers 72 are respectively mounted on the front lower end surface and the front upper end surface of the inclined rod body 70.

[0023] The positioning accuracy control device for inclined pile driving in this utility model is 2000 mm. The distance between the upper platform 1 and the lower platform 2 of the fixing bracket is 3095 mm × 2150 mm, and the dimensions of the lower platform 2 are 3580 mm × 2150 mm. The lower platform 2 of the fixing bracket is mounted on the auxiliary platform, and the lower part of the inclined rod assembly 7 located on the lower platform 2 is inserted into the driving point of the auxiliary platform. During pile driving, first bars 32 are removed, which are connected to outer upper longitudinal beams 11 for the upper beams for the ramming point opening and closing 3A and the lower beams for the ramming point opening and closing 3B, respectively, and the bars 32 are removed, which are connected to outer lower longitudinal beams 21 in order to open the upper ramming point 1A and the lower ramming point 2A.Subsequently, the inclined pile 8 is inserted into the upper driving point 1A and the lower driving point 2A, and the inclined pile 8 is supported on the two guide rollers 72 of the inclined rod assembly 7. After that, the upper beams for driving point opening and closing 3A and the lower beams for driving point opening and closing 3B are respectively closed again to close the upper driving point 1A and the lower driving point 2A. By adjusting the mounting positions of the four upper limit rollers 5A, it is achieved that all four upper limit rollers 5A are in contact with the outer surface of the inclined pile 8. At the same time, by adjusting the mounting positions of the three lower limit rollers 5B, it is ensured that all three lower limit rollers 5B are in contact with the outer surface of the inclined pile 8; then, the piling of the inclined pile 8 can be carried out.

[0024] The control device for positioning accuracy during pile driving of inclined piles in the present utility model has the following features: 1) Within the specified range, pile driving for piles of different diameters can be performed by adjusting the screw position of the limit rollers. This achieves greater precision in controlling the pile position, inclination, and twist angle of the inclined pile, and also ensures more thorough protection of the pile body. 2) The device is located at a height below the auxiliary platform. During pile driving, the inclined rods of the device extend below the auxiliary platform. No disassembly of components is required during pile driving, simplifying operation and increasing the efficiency of driving inclined piles.

[0025] The above-mentioned embodiments serve merely to illustrate the present utility model and do not constitute a limitation thereof. Those skilled in the relevant technical field may make various modifications or changes without departing from the spirit and scope of the present utility model. Therefore, all equivalent technical solutions should also fall within the scope of this utility model and be defined by the respective claims.

Claims

[1] Control device for positioning accuracy when driving inclined piles, consisting of a mounting bracket, a device for opening and closing the driving point, a limiting roller arrangement and an inclined rod assembly; characterized by , that the mounting bracket comprises an upper platform, a lower platform and four inclined support columns; wherein the upper platform comprises two outer upper longitudinal beams, a rear upper crossbeam connected between the rear ends of the two outer upper longitudinal beams, and an upper beam for driving point opening and closing connected between the front ends of the two outer upper longitudinal beams; wherein a middle upper crossbeam is connected between the rear parts of the two outer upper longitudinal beams, the middle upper crossbeam forming a U-shaped upper flow channel with the front middle parts of two outer upper longitudinal beams; wherein the sub-platform comprises two outer lower longitudinal beams, a rear lower crossbeam connected between the rear ends of the two outer lower longitudinal beams, and a lower beam for driving point opening and closing connected between the front ends of the two outer lower longitudinal beams; wherein the length of the outer lower longitudinal beams is greater than that of the outer upper longitudinal beams; wherein a middle lower crossbeam is connected between the middle parts of the two outer lower longitudinal beams, the middle lower crossbeam forming a U-shaped underflow channel with the front middle parts of two outer lower longitudinal beams; wherein four inclined support columns are mounted correspondingly at the two ends of the outer lower longitudinal beams and at the two ends of the outer upper longitudinal beams; wherein the device for opening and closing the pile driving point comprises both an upper beam for opening and closing the pile driving point, which is connected between the front ends of the two outer upper longitudinal beams, and a lower beam for opening and closing the pile driving point, which is connected between the front ends of the two outer lower longitudinal beams; wherein the limiting roller assembly comprises four upper limiting rollers and three lower limiting rollers; wherein the four upper limiting rollers are each mounted by means of screws correspondingly on the front end face of the two outer upper longitudinal beams, the middle end face of the middle upper crossbeam and the middle end face of the top beam for opening and closing the driving point; wherein the three lower limiting rollers are each mounted by means of screws correspondingly on the front end face of the two outer lower longitudinal beams and the middle end face of the bottom beam for opening and closing the driving point; wherein the inclined rod assembly comprises an inclined rod body and two guide rollers; wherein the inclined rod body is made of H-section steel and has a set of holes in the top web which coincides with the center of the middle lower crossbeam, wherein the inclined rod body is mounted on the middle bottom face of the middle upper crossbeam such that the inclination of the inclined rod body is adapted to the inclination of the inclined pile; wherein the two guide rollers are each mounted on the front lower end face and the front upper end face of the inclined rod body. [2] Control device for positioning accuracy when driving inclined piles according to claim 1, characterized by, that a central upper longitudinal beam is connected between the central part of the central upper crossbeam and the central part of the rear upper crossbeam; wherein a right-angled triangular transition plate is mounted between each of the two ends of the head surface of the central upper crossbeam and the rear head surface of each of the two outer upper longitudinal beams; wherein a central lower longitudinal beam is connected between the central part of the central lower crossbeam and the central part of the rear lower crossbeam; wherein a vertical support is connected between each of the rear parts of the two outer lower longitudinal beams and the rear parts of the two outer upper longitudinal beams; wherein the outer upper longitudinal beam, rear upper crossbeam, central upper crossbeam, central upper longitudinal beam, outer lower longitudinal beam, rear lower crossbeam, central upper crossbeam, central lower longitudinal beam, inclined support column, and vertical support column are all made of H-section steel. [3] Control device for the positioning accuracy when driving inclined piles according to claim 1, characterized by , that the upper beam for opening and closing the driving point and the lower beam for opening and closing the driving point each comprise a box girder, a movable hinge seat connected to one end of the box girder and a locking seat connected to the other end of the box girder; wherein the joint seat at the end of the upper beam for opening and closing the ramming point is connected to the front end of an outer upper longitudinal beam in a hinge-like manner by means of a hinge shaft, while the bolt seat of the other end of the outer upper longitudinal beam is connected to the front end of an outer upper longitudinal beam by a bolt; wherein the joint seat at the end of the lower beam is connected to the front end of an outer lower longitudinal beam in a hinge-like manner by means of a hinge shaft for opening and closing the ramming point, while the bolt seat of the other end of the outer lower longitudinal beam is connected to the front end of an outer lower longitudinal beam by means of a bolt for opening and closing the ramming point. [4] Control device for positioning accuracy when driving inclined piles according to claim 1, characterized by , that each of the upper limiting rollers and lower limiting rollers comprises a base plate, a pair of wave plates mounted on the two sides of the base plate, a rotating shaft spanned between the pair of wave plates and rubber rollers mounted on the rotating shaft; wherein several screw holes are arranged at intervals on the two side edges of the base plate. [5] Control device for the positioning accuracy when driving inclined piles according to one of claims 1 to 4, characterized by , that the control device further comprises four guide plates, each of which is mounted correspondingly on the head surface of two transition plates of the upper platform and on the head surface of the two outer upper longitudinal beams by means of retaining plates, each guide plate being an arc plate.

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