Maritime work pile sinking equipment
By setting up fixed frames and guide frames on the crane vessel and using channels and settlement windows to constrain the steel pipe piles, the problem of tilting or displacement of the steel pipe piles during the pile driving process was solved, and precise pile driving of the steel pipe piles was achieved.
Patent Information
- Application Number
- CN202423228235.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
When steel pipe piles are driven in geological conditions such as bare rock and thin silt cover, they are prone to tilting or displacement, which leads to deviation of the pile driving position and reduces the accuracy of pile driving.
A fixed frame and a guide frame are installed on the crane ship. The fixed frame extends out of the crane ship to form a channel. The guide frame is equipped with a settlement window, which is set in correspondence with the channel. The steel pipe piles are sank to the bottom of the water by passing through the settlement window and the channel in a vertical direction. The channel and the settlement window are used to constrain the steel pipe piles.
It effectively prevents steel pipe piles from shifting during the pile driving process, ensures the accuracy of pile erection and positioning, and improves the construction accuracy of pile driving equipment.
Smart Images
Figure CN223577115U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sea work pile sinking technical field, concretely relates to a sea work pile sinking equipment. BACKGROUND
[0002] In the modern engineering construction field, the stability of foundation engineering plays a decisive role for the quality and safety of the whole project. Among them, the steel pipe pile is widely used in the foundation construction of offshore steel platform, large piece wharf and the like due to its advantages of high strength, good corrosion resistance, convenient construction and the like.
[0003] When the steel pipe pile is sunk under the geological conditions of bare rock and thin silt covering layer, the pile foundation may encounter greater resistance in the penetration process due to the high hardness and strength of the bare rock layer, which is easy to cause the inclination or displacement of the steel pipe pile during the pile sinking, reduces the pile erection precision of the steel pipe pile, and may also cause the deviation of the pile sinking position of the steel pipe pile, reduces the precision of the pile sinking position of the steel pipe pile.
[0004] Therefore, it is of great significance to design a pile sinking equipment which can constrain the steel pipe pile to prevent the inclination of the steel pipe pile during the pile sinking, or can constrain the pile sinking position of the steel pipe pile. SUMMARY
[0005] In view of the deficiencies in the related art, the utility model provides a sea work pile sinking equipment which is provided with a channel in a fixing frame and a sinking window in a guide frame, the sinking window and the channel are correspondingly arranged, so as to constrain the steel pipe pile during the pile sinking, thereby preventing the deviation of the position of the steel pipe pile during the pile sinking.
[0006] The utility model provides a sea work pile sinking equipment which is used for sinking the steel pipe pile, and the sea work pile sinking equipment comprises:
[0007] A crane ship;
[0008] A pile sinking device which is arranged on the crane ship and is used for hoisting the steel pipe pile and sinking the steel pipe pile;
[0009] A fixing frame which is installed on the crane ship and at least part of the fixing frame is arranged to extend out of the crane ship; the part of the fixing frame extending out of the crane ship is provided with a channel, and the channel is arranged to penetrate the fixing frame along the vertical direction;
[0010] A guide frame which is detachably connected to the fixing frame and is located above the fixing frame; the guide frame is provided with a sinking window through which the steel pipe pile passes, and the sinking window is correspondingly arranged with the channel, so that the steel pipe pile sequentially passes through the sinking window and the channel along the vertical direction and is then sunk into the water bottom.
[0011] The part of the fixing frame extending from the floating crane is provided with a channel, so that the steel pipe pile passes through the channel and sinks into the water bottom, and the channel is used for preliminarily limiting the steel pipe pile; the guide frame is provided with a sinking window through which the steel pipe pile passes, and the sinking window is correspondingly arranged with the channel, so as to accurately position the pile sinking position of the steel pipe pile, and the steel pipe pile passes through the sinking window and the channel in the vertical direction in turn and then sinks into the water bottom in the pile sinking process, so as to avoid the deviation of the steel pipe pile in the pile sinking process and ensure the pile erection effect of the steel pipe pile.
[0012] In some embodiments, each sinking window can pass through one steel pipe pile; the sinking window is provided in multiple to pass through multiple steel pipe piles through the corresponding sinking window and sink into the water bottom.
[0013] The technical scheme is characterized in that the multiple sinking windows are arranged on the guide frame, so that the guide frame can limit and constrain the pile sinking positions of the multiple steel pipe piles.
[0014] In some embodiments, the channel extends in the horizontal plane from the floating crane to a direction away from the floating crane, and the guide frame is arranged along the extension direction of the channel; the multiple sinking windows are arranged along the extension direction of the channel, and the multiple sinking windows are correspondingly arranged with the same channel.
[0015] The technical scheme is characterized in that the guide frame is arranged along the extension direction of the channel, so that the multiple sinking windows are arranged along the extension direction of the channel, and the guide frame can limit and constrain the pile sinking positions of the whole row of steel pipe piles.
[0016] In some embodiments, the channel is provided in multiple, and the multiple channels are arranged in the first direction; the guide frame is provided in multiple, and the multiple guide frames are arranged in the first direction, and the guide frame is correspondingly arranged with the channel.
[0017] The technical scheme is characterized in that the multiple guide frames are arranged in the first direction, so that the pile sinking device can constrain the pile sinking positions of the multiple rows of steel pipe piles.
[0018] In some embodiments, the channel is provided in multiple, and the multiple channels are arranged in the first direction; the guide frame is arranged in the first direction; the multiple sinking windows are distributed in the first direction; and the sinking window is correspondingly arranged with the channel.
[0019] The technical scheme is characterized in that the guide frame is arranged in the first direction, so that the multiple sinking windows are distributed in the first direction, and the guide frame can limit and constrain the multiple steel pipe piles distributed in the first direction.
[0020] In some embodiments, the part of the fixing frame extending from the floating crane includes multiple support rods arranged in parallel with each other to jointly define the channel; the support rods are arranged in the horizontal direction; and the guide frame is connected to the support rods.
[0021] The technical scheme sets the support rods on the part of the fixing frame extending out of the crane ship, so that the plurality of support rods jointly define the channel, and the end of the channel away from the crane ship is in an open structure, thereby facilitating the crane ship to withdraw from the front row of steel pipe piles.
[0022] In some embodiments, the guide frame comprises two longitudinal beams and a plurality of spacing beams, the two longitudinal beams are arranged in parallel with each other, and the longitudinal beams are connected with the support rods; the two ends of the spacing beams are correspondingly connected to the two longitudinal beams, and the plurality of spacing beams are arranged in parallel with each other, and the adjacent two spacing beams and the two longitudinal beams jointly form the settlement window.
[0023] In some embodiments, the support rods are connected with stiffening rods, the stiffening rods are arranged outside the channel, and the two ends of the stiffening rods are respectively connected with the two adjacent support rods in the adjacent channels.
[0024] The technical scheme sets the stiffening rods between the support rods to enhance the support strength of the fixing frame.
[0025] In some embodiments, the channel comprises a first channel and a second channel, the first channel and the second channel are arranged along a first direction; the extension length of the first channel is greater than that of the second channel; the guide frame is arranged at the first channel along the extension direction of the first channel, and the guide frame is arranged at the second channel along the first direction.
[0026] The technical scheme arranges the guide frame at the second channel along the first direction, and the length of the support rods on both sides of the second channel can satisfy that a group of guide frames are placed on the support rods, so as to shorten the cantilever length of the support rods.
[0027] In some embodiments, the connection device is arranged between the steel pipe piles, and the plurality of steel pipe piles are connected into one body through the connection device after the piles are sunk.
[0028] The technical scheme connects the steel pipe piles sunk into one body through the connection device, so as to achieve the "stool effect" through the joint of the plurality of steel pipe piles, thereby increasing the stability of the group of piles.
[0029] Based on the above technical scheme, the marine pile sinking equipment in the embodiments of the utility model sets the fixing frame and the guide frame on the crane ship, sets the channel on the part of the fixing frame extending out of the crane ship, sets the settlement window on the guide frame, correspondingly sets the settlement window and the channel, and sinks the steel pipe piles into the seabed after the steel pipe piles pass through the settlement window and the channel in sequence, so as to constrain the pile sinking position of the steel pipe piles through the settlement window and the channel, and ensure the precision of the pile sinking position of the steel pipe piles. BRIEF DESCRIPTION OF DRAWINGS
[0030] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:
[0031] Figure 1 A structural schematic view of the marine pile sinking equipment when the fixing frame is located at the bow position of the ship according to an embodiment of the present application is shown in FIG. 1;
[0032] Figure 2 A structural schematic view of one embodiment of the fixing frame in the marine pile sinking equipment according to an embodiment of the present application is shown in FIG. 2;
[0033] Figure 3 A structural schematic view of the marine pile sinking equipment when the guide frame is arranged along the extension direction of the passage according to an embodiment of the present application is shown in FIG. 3;
[0034] Figure 4 A structural schematic view of the connecting device in the marine pile sinking equipment according to an embodiment of the present application is shown in FIG. 4;
[0035] Figure 5 A structural schematic view of the marine pile sinking equipment when the fixing frame is located at the middle position of the ship body according to an embodiment of the present application is shown in FIG. 5;
[0036] Figure 6 A structural schematic view of another embodiment of the fixing frame in the marine pile sinking equipment according to an embodiment of the present application is shown in FIG. 6;
[0037] Figure 7 A structural schematic view of the marine pile sinking equipment when the guide frame is arranged along the first direction according to an embodiment of the present application is shown in FIG. 7.
[0038] In the drawings:
[0039] 1, fixing frame; 2, guide frame; 3, connecting rod; 4, pile sinking device; 5, crane ship;
[0040] 11, support rod; 12, stiffening rod; 13, passage;
[0041] 21, spacing beam; 22, longitudinal beam; 23, sinking window;
[0042] 131, first passage; 132, second passage. DETAILED DESCRIPTION
[0043] With reference to the accompanying drawings, the technical solutions in the embodiments will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0044] In the description of the present application, it should be understood that the terms "center", "transverse", "longitudinal", "upper", "lower", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0045] In the description of the present application, it should be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0046] The steel pipe pile is an important foundation engineering component, which is mainly composed of a circular hollow steel pipe, and the thickness and length of the steel pipe are flexibly set according to engineering requirements and bearing capacity; in terms of material, the steel pipe pile generally uses carbon steel or alloy steel, which has the characteristics of high strength, good toughness and certain corrosion resistance.
[0047] As shown in the accompanying drawings, Figures 1-7 In one illustrative embodiment of the marine pile sinking equipment of the present application, the marine pile sinking equipment is used for sinking a steel pipe pile; the marine pile sinking equipment comprises a crane ship 5, a pile sinking device 4, a fixing frame 1 and a guide frame 2.
[0048] In the above-mentioned marine pile sinking equipment, as shown in Figure 1 and Figure 5 The crane ship 5 is used for carrying the steel pipe pile and installing the pile sinking device 4 and the fixing frame 1; the crane ship 5 can be quickly transferred between different construction sites, and is suitable for various geological conditions and construction requirements.
[0049] In the above-mentioned marine pile sinking equipment, as shown in Figure 1 and Figure 5 The pile sinking device 4 is installed on the crane ship 5, and the pile sinking device 4 is used for hoisting the steel pipe pile and gradually driving the steel pipe pile into the seabed stratum. The pile sinking device 4 is a conventional technical means in the art, which will not be described here.
[0050] As shown in Figure 1 , Figure 2 , Figure 5 and Figure 6 , the fixed frame 1 is installed on the crane ship 5, and part of the fixed frame 1 extends out of the crane ship 5. The part of the fixed frame 1 extending out of the crane ship 5 is provided with a passage 13 for the steel pipe pile to pass through, and the passage 13 is arranged through the fixed frame 1 in the vertical direction. The steel pipe pile passes through the passage 13 in the vertical direction during pile driving and sinks into the water. The passage 13 can preliminarily constrain the pile driving position of the steel pipe pile, increase the accuracy of the pile driving position of the steel pipe pile, and also support the steel pipe pile to prevent the steel pipe pile from tilting during pile driving.
[0051] In some embodiments, the part of the fixed frame 1 extending out of the crane ship 5 includes a plurality of support rods 11 arranged parallel to each other to jointly define the passage 13. The support rods 11 are arranged in the horizontal direction. The guide frame 2 is connected to the support rods 11. By arranging the support rods 11 on the part of the fixed frame 1 extending out of the crane ship 5 and arranging the support rods 11 parallel to each other to jointly define the passage 13, the guide frame 2 can be installed on the support rods 11.
[0052] It should be noted that there is a gap between the steel pipe piles during pile driving and after pile driving. The support rods 11 are arranged in the gap between the steel pipe piles.
[0053] As shown in Figure 1 , Figure 3 , Figure 5 and Figure 7 , the guide frame 2 is detachably connected to the fixed frame 1. The guide frame 2 is provided with a sinking window 23 for the steel pipe pile to pass through, and the sinking window 23 is arranged correspondingly to the passage 13. The steel pipe pile passes through the sinking window 23 and the passage 13 in the vertical direction in sequence during pile driving and then sinks into the seabed. The sinking window 23 can further constrain the pile driving position of the steel pipe pile to ensure the accuracy of the pile driving position of the steel pipe pile. Through the cooperation of the sinking window 23 and the passage 13, the pile driving position of the steel pipe pile is accurately positioned. The steel pipe pile passes through the sinking window 23 and the passage 13 in the vertical direction in sequence during pile driving to avoid the steel pipe pile from tilting during pile driving and ensure the pile driving effect of the steel pipe pile.
[0054] In some embodiments, after the steel pipe pile is driven into the ground, the pile head of the steel pipe pile is located above the guide frame 2, so that the guide frame 2 temporarily supports the steel pipe pile after pile driving.
[0055] It should be noted that after the steel pipe pile is driven into the ground, the guide frame 2 is removed and lifted away. The crane ship 5 moves away from the steel pipe pile, so that the support rods 11 are withdrawn from between the steel pipe piles, and the steel pipe pile is separated from the fixed frame 1.
[0056] In some embodiments, the guide frame 2 comprises two longitudinal beams 22 and a plurality of spacing beams 21, the two longitudinal beams 22 are arranged in parallel with each other, and the longitudinal beams 22 are connected with the support bars 11; the two ends of the spacing beams 21 are correspondingly connected to the two longitudinal beams 22, and the plurality of spacing beams 21 are arranged in parallel with each other, and the two longitudinal beams 22 and the two adjacent spacing beams 21 together form a settlement window 23.
[0057] In some embodiments, each settlement window 23 is provided for one steel pipe pile to pass through; the settlement windows 23 are arranged in a plurality of ways, so that a plurality of steel pipe piles pass through the corresponding settlement windows 23 and sink into the seabed, so that the guide frame 2 can limit and constrain the pile sinking positions of the plurality of steel pipe piles, and also can temporarily support the plurality of steel pipe piles after the pile sinking.
[0058] The installation position of the fixed frame 1 on the crane ship 5 can be changed according to actual construction needs, and the fixed frame 1 can be arranged at the bow position of the crane ship 5 or at the middle position of the hull of the crane ship 5.
[0059] When the fixed frame 1 and the guide frame 2 are arranged at the bow position of the crane ship 5, as shown in Figure 1 , Figure 2 and Figure 3 , the channel 13 extends in the horizontal plane from the crane ship 5 to the direction away from the crane ship 5, and the guide frame 2 is arranged along the extension direction of the channel 13; the plurality of settlement windows 23 are arranged along the extension direction of the channel 13, and the plurality of settlement windows 23 are correspondingly arranged with the same channel 13; by arranging the guide frame 2 along the extension direction of the channel 13, the plurality of settlement windows 23 are distributed along the extension direction of the channel 13, so that the offshore pile sinking equipment can drive and set the steel pipe piles along the extension direction of the channel 13.
[0060] In some embodiments, the channel 13 is arranged in a plurality of ways, and the plurality of channels 13 are arranged in a spaced manner along a first direction; the guide frame 2 is arranged in a plurality of ways, and the plurality of guide frames 2 are arranged along the first direction, and the guide frame 2 is correspondingly arranged with the channel 13; by arranging the plurality of guide frames 2 in a spaced manner along the first direction, the offshore pile sinking equipment can constrain the pile sinking positions of the plurality of rows of steel pipe piles.
[0061] It should be noted that the first direction is perpendicular to the direction of the support bar 11.
[0062] In some embodiments, as shown in Figure 2 , the support bar 11 is connected with a stiffening bar 12, the stiffening bar 12 is arranged outside the channel 13, and the two ends of the stiffening bar 12 are respectively connected with the two adjacent support bars 11 in the adjacent channels 13; by arranging the stiffening bar 12 between the support bars 11, the support strength of the fixed frame 1 is increased.
[0063] When the fixing frame 1 and the guide frame 2 are located at the middle position of the hull of the crane ship 5, as shown in Figure 5 、 Figure 6 and Figure 7 illustrated, the passages 13 can be provided in multiple, and the multiple passages 13 are arranged along the first direction; the guide frame 2 is arranged along the first direction; the multiple settlement windows 23 are distributed along the first direction; the settlement windows 23 are arranged one by one corresponding to the passages 13; by arranging the guide frame 2 along the first direction, the multiple settlement windows 23 are distributed along the first direction, so that the guide frame 2 can limit and constrain the multiple steel pipe piles distributed along the first direction, and the offshore pile driving equipment can drive the steel pipe piles along the first direction.
[0064] In some embodiments, the passages 13 include a first passage 131 and a second passage 132, and the first passage 131 and the second passage 132 are arranged along the first direction; the extension length of the first passage 131 is greater than the extension length of the second passage 132; the guide frame 2 is arranged at the first passage 131 along the extension direction of the first passage 131, and the guide frame 2 is arranged at the second passage 132 along the first direction; by arranging the guide frame 2 at the second passage 132 along the first direction, the length of the support rod 11 on both sides of the second passage 132 can satisfy that a group of guide frames 2 are placed on the support rod 11, so as to shorten the cantilever length of the support rod 11.
[0065] In some embodiments, as shown in Figure 4 , a connecting device is arranged between the steel pipe piles, and the multiple steel pipe piles are connected into one after pile driving through the connecting device, so as to achieve the "stool effect" through the joint of the multiple steel pipe piles, thereby increasing the stability of the pile group.
[0066] The connecting device includes a connecting rod 3, and the two ends of the length of the connecting rod 3 are correspondingly connected to the adjacent two steel pipe piles; the connecting rod 3 is provided in multiple, and the connecting rod 3 can be arranged along the horizontal direction to form a cross brace between the steel pipe piles; the connecting rod 3 can also be arranged in cross, and the cross-arranged connecting rods 3 jointly define a scissors brace, and the angle of the scissors brace is 30°-60°.
[0067] In some embodiments, the cross brace is located on the upper and lower sides of the scissors brace. The scissors brace, the cross brace and the steel pipe piles form multiple groups of triangular structures, so as to increase the stability of the pile group formed by the connection of the multiple steel pipe piles in the seawater.
[0068] It should be noted that the triangular support structure formed between the scissors brace, the cross brace and the steel pipe piles can effectively resist external lateral loads such as wind and waves, prevent the pile body from tilting or deviating, and thus ensure the perpendicularity and construction accuracy of the steel pipe pile; in addition, the scissors brace helps to reduce the deformation risk of the pile body in soft soil or complex geological conditions, and maintains the integrity of the steel pipe pile body.
[0069] The working principle of the marine pile sinking device is as follows: the guide frame 2 is connected to the support rod 11, the sinking window 23 and the channel 13 are corresponded, then the pile sinking device 4 hoists the steel pipe pile, the steel pipe pile is sequentially passed through the sinking window 23 and the channel 13 in the vertical direction of the steel pipe pile and then sunk into the water bottom, after the pile sinking is completed, the connection and support are carried out among the steel pipe piles, and the steel pipe piles form an integral whole; finally, the guide frame 2 is removed and lifted away, and the fixed frame 1 driven by the crane ship 5 moves away from the steel pipe pile, so that the support rod 11 withdraws from the gap between the steel pipe piles.
[0070] The marine pile sinking device sets the fixed frame 1 and the guide frame 2 on the crane ship 5, sets the channel 13 on the part of the fixed frame 1 extending out of the crane ship 5 and sets the sinking window 23 on the guide frame 2, so that the sinking window 23 and the channel 13 are corresponded, the steel pipe pile is sequentially passed through the sinking window 23 and the channel 13 and then sunk into the water bottom, so as to constrain the pile sinking position of the steel pipe pile by the sinking window 23 and the channel 13, so as to ensure the precision of the pile sinking position of the steel pipe pile.
[0071] Finally, it should be noted that: the embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other.
[0072] The above embodiments are only used to illustrate the technical solutions of the present application and not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones without departing from the spirit of the present application. They should all be covered in the technical solution range of the present application.
Claims
1. A marine pile driving apparatus for driving a steel pipe pile, the apparatus comprising: The marine pile driving equipment comprises: a crane vessel; a pile driving device arranged on the crane vessel, the pile driving device being used for hoisting and driving the steel pipe piles; a fixed frame mounted on the crane vessel, at least a part of the fixed frame extending out of the crane vessel, the part of the fixed frame extending out of the crane vessel being provided with a passage, the passage being arranged through the fixed frame in a vertical direction; a guide frame detachably connected to the fixed frame, the guide frame being located above the fixed frame, the guide frame being provided with a sinking window for the steel pipe piles to pass through, the sinking window being arranged corresponding to the passage so that the steel pipe piles pass through the sinking window and the passage in sequence in a vertical direction and then sink into the seabed.
2. A marine pile driving apparatus according to claim 1, wherein, Each of the sinking windows can pass one of the steel pipe piles, and the sinking windows are arranged in multiple to pass multiple steel pipe piles through corresponding sinking windows and sink into the seabed.
3. A marine pile driving apparatus according to claim 2, wherein, The passage extends from the crane vessel in a direction away from the crane vessel in a horizontal plane, and the guide frame is arranged along the extension direction of the passage; multiple sinking windows are arranged along the extension direction of the passage, and multiple sinking windows are arranged corresponding to the same passage.
4. A marine pile driving apparatus according to claim 3, wherein, The passage is arranged in multiple, and multiple passages are arranged in a first direction; the guide frame is arranged in multiple, and multiple guide frames are arranged in the first direction, and the guide frame is arranged corresponding to the passage one by one.
5. A marine pile driving apparatus as claimed in claim 2, wherein, The passage is arranged in multiple, and multiple passages are arranged in a first direction; the guide frame is arranged in the first direction; multiple sinking windows are arranged in the first direction; and the sinking window is arranged corresponding to the passage one by one.
6. A marine pile driving apparatus as claimed in claim 1, wherein, The part of the fixed frame extending out of the crane vessel comprises multiple support rods, and the multiple support rods are arranged in parallel to each other to jointly define the passage; the support rods are arranged in a horizontal direction; and the guide frame is connected to the support rods.
7. A marine pile driving apparatus as claimed in claim 6, wherein, The guide frame comprises two longitudinal beams and a plurality of spacing beams, the two longitudinal beams are arranged in parallel to each other, and the longitudinal beams are connected to the support rods; the two ends of the spacing beams are connected to the two longitudinal beams corresponding, and the plurality of spacing beams are arranged in parallel to each other, and adjacent two spacing beams and two longitudinal beams jointly form the sinking window.
8. A marine pile driving apparatus as claimed in claim 6, wherein, The support rods are connected to stiffening rods, the stiffening rods are arranged outside the passage, and the two ends of the stiffening rods are connected to two adjacent support rods in adjacent passages respectively.
9. A marine pile driving apparatus as claimed in claim 5, wherein, The passage comprises a first passage and a second passage, the first passage and the second passage are arranged in a first direction; the extension length of the first passage is greater than the extension length of the second passage; The guide frame is arranged at the first passage in the extension direction of the first passage, and the guide frame is arranged at the second passage in the first direction.
10. A marine pile driving apparatus as claimed in claim 2, wherein, The steel pipe piles are provided with a connecting device, and multiple steel pipe piles are connected to each other into a whole through the connecting device after being driven.