Heavy duty offshore crane pedestal support cylinder

Abstract

The application discloses a heavy marine engineering crane base supporting cylinder, which comprises a base, a lower cylinder installed on the base and an upper cylinder installed on the upper end of the lower cylinder; the upper end of the lower cylinder and the lower end of the upper cylinder are both provided with annular mounting plates, and the upper cylinder and the lower cylinder are fixedly installed in an integrated manner through the fixing members on the annular mounting plates; the upper end of the upper cylinder is further provided with a fixing flange, and the slewing bearing mechanism of the crane is installed correspondingly through the fixing flange. The supporting cylinder is divided into two sections, one section is the lower cylinder and the other section is the upper cylinder, the two sections are installed in an abutting manner through the annular mounting plates at the abutting position, the lower cylinder is fixed on the base, and the upper end of the upper cylinder is provided with the fixing flange correspondingly, and the slewing bearing mechanism of the crane is installed correspondingly through the fixing flange. The overall structure is divided into two sections, the installation is more convenient, and the stability is also ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of marine equipment, in particular to a heavy marine engineering crane base supporting cylinder. BACKGROUND

[0002] In the prior art, the crane ship plays a crucial role in heavy marine engineering machinery, and the research on the key device of the crane ship, the supporting cylinder of the crane base, is particularly important. The supporting cylinder of the crane base supports the entire crane and the force borne during work, and provides theoretical support and technical support for the safe and smooth operation of the crane ship.

[0003] In the prior art, the supporting cylinder structure of the crane is disclosed in the patent document with the authorized announcement number CN 102328727 B, which is a segmented method of a heavy marine engineering crane base of a deep water pipe laying crane ship. In the technical solution, the bottom of the base is installed on the platform deck of the ship body, and the upper part penetrates the main deck and the A deck respectively. The three segmented methods are: dividing the base into three parts by the main deck and the A deck; or dividing the part below the A deck into two parts, and the upper part of the A deck 301A is an independent segment; or dividing the lower two parts divided by the first method into two parts. The advantages of the present application are: by using the above segmented division method, the vertical reinforcing material of the cylindrical base is not continuously opened, the strength of the base itself is guaranteed, and the segmented lifting is effectively realized, the difficulty of turning over is reduced, the installation efficiency is improved, and the overall quality and precision are guaranteed.

[0004] The above technical solution mainly divides the whole base cylinder into a three-segment structure, which can improve the installation efficiency and guarantee the overall quality and precision. However, in the prior art, the overall strength and stability of the whole base supporting cylinder will be greatly reduced after being divided into three segments, and if it is set as a whole structure, it will indeed be difficult to install and the installation efficiency will be reduced.

[0005] Therefore, in order to solve the above problems, it is necessary to develop a heavy marine engineering crane base supporting cylinder which is not only easy to install, but also has good stability and overall strength. SUMMARY

[0006] The present application is aimed at the deficiencies in the prior art, and provides a heavy marine engineering crane base supporting cylinder. The technical solution is as follows:

[0007] A heavy marine engineering crane base supporting cylinder comprises a base, a lower cylinder installed on the base, and an upper cylinder installed on the upper end of the lower cylinder; the upper end of the lower cylinder and the lower end of the upper cylinder are both provided with annular mounting plates, and the upper cylinder and the lower cylinder are fixedly installed as a whole on the annular mounting plates through fixing members; the upper end of the upper cylinder is further provided with a fixing flange, and a slewing bearing mechanism of the crane is installed correspondingly through the fixing flange.

[0008] The outer side wall of the lower cylinder is further provided with a plurality of rib plates, the side of the rib plates is fixed at the outer side wall of the lower cylinder, the upper end is fixed at the lower end surface of the annular mounting plate, and the lower end is correspondingly fixed on the base; among the plurality of rib plates, two adjacent rib plates are set as a group, and the side of the two rib plates is correspondingly provided with a sealing plate, and the area between the two rib plates is set as a closed concrete pouring area through the sealing plate on the side, and the concrete pouring area is filled with concrete correspondingly.

[0009] Further, the concrete pouring area at the outer side of the lower cylinder is provided with six places, and gaps are left between the six concrete pouring areas.

[0010] Further, the fixing members on the annular mounting plate are correspondingly installed at the gaps between the six concrete pouring areas.

[0011] Further, the upper end of the upper cylinder is further provided with an outwardly expanded part, the fixing flange is installed at the upper end of the outwardly expanded part, and the lower end of the outwardly expanded part is provided with an inclined support surface.

[0012] Further, the inclined support surface of the outwardly expanded part and the annular mounting plate below are further provided with a supporting steel bar, and the supporting steel bar is dispersedly arranged above the concrete pouring area.

[0013] Further, two supporting steel bars are arranged above each concrete pouring area, one of which is arranged between the inclined support surface and the annular mounting plate; the other supporting steel bar penetrates through the two annular mounting plates downward and extends into the concrete pouring area and is correspondingly fixed on the base.

[0014] Further, a pouring port is arranged at the position where the supporting steel bar penetrates through the two annular mounting plates, the size of the pouring port is larger than that of the supporting steel bar, the supporting steel bar extends into the concrete pouring area from the pouring port, and the concrete is poured into the concrete pouring area from the pouring port correspondingly until the pouring port is blocked.

[0015] Beneficial effects: the present application has the following beneficial effects:

[0016] (1) the supporting barrel body of the present application is divided into two sections as a whole, one section is set as a lower barrel body, and the other section is set as an upper barrel body, the two barrel bodies are butted and installed through the annular mounting plates at the butt joint, the lower barrel body is fixed on the base, and the upper end of the upper barrel body is correspondingly provided with a fixing flange, the slewing bearing mechanism of the crane is correspondingly installed through the fixing flange, the overall structure is divided into two sections, the installation is more convenient, and the stability is also guaranteed;

[0017] (2) the stability of the lower barrel body is ensured in the present application, because the lower barrel body and the base are the sources of pressure bearing of the whole barrel body; a plurality of rib plates are arranged on the outer side wall of the lower barrel body, the spacing of adjacent rib plates is not the same, two adjacent rib plates are set as a group to constitute a concrete pouring area, and then the whole area is closed through the arranged sealing plate, so that six concrete pouring areas are arranged, the positions of the six concrete pouring areas are uniformly arranged at intervals, since the upper and lower annular mounting plates are installed through the fixing members, and the fixing position of the fixing members cannot be arranged at the concrete pouring area after the concrete pouring area is arranged, therefore, the fixing members can be arranged at the gap, and the position is reasonable; after the concrete is poured into the concrete pouring area, the pressure bearing capacity of the lower barrel body can be enhanced, the external six concrete pouring areas, compared with the traditional technical scheme of arranging only rib plates, the pressure bearing capacity is obviously enhanced, and the overall stability and pressure resistance are improved;

[0018] (3) the outer expansion part is arranged at the upper end of the upper barrel body in the present application, the lower end face of the outer expansion part is arranged as an inclined inclined supporting surface, since the fixing flange is installed on the outer expansion part, therefore, the direct stress unit of the upper barrel body is the outer expansion part, therefore, the lower end face of the outer expansion part is arranged as an inclined surface, and the supporting steel bars are arranged between the outer expansion part and the annular mounting plate below, the outer expansion part above is supported through the supporting steel bars, and the stress below is arranged as the annular mounting plate, the annular mounting plate is further supported through the rib plates of the lower barrel body and the concrete, the overall structure is very reasonable, and the stability and pressure resistance are greatly enhanced;

[0019] (4) the present application first sets the installation position of the supporting steel bar, six concrete pouring areas are set on the outer side of the lower cylinder in the present application, the supporting steel bar is set above the six concrete pouring areas, and two supporting steel bars are arranged above each concrete pouring area, one of the supporting steel bars is fixed between the annular mounting plate and the inclined supporting surface, and the other supporting steel bar is inserted into the concrete pouring area by penetrating two annular mounting plates downwardly and then fixed on the base, so that the one steel bar is supported by the annular mounting plate and the other steel bar is supported by the base, thereby increasing the supporting capacity; in addition, the pouring port is arranged on the annular mounting plate, the supporting steel bar can enter and be fixed from the pouring port, the size of the pouring port is set to be large, so that the supporting steel bar can be poured into the pouring port after being fixed on the base, thereby solving the problem of the pouring port; in addition, the supporting steel bar is fixed in the interior through the concrete, the concrete blocks the pouring port, the supporting steel bar can increase the strength of the concrete, and further increase the compression resistance and stability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural diagram of the present application;

[0021] Figure 2 is Figure 1 A-A cross-sectional view in the present application;

[0022] Figure 3 is Figure 1 B-B cross-sectional view in the present application. DETAILED DESCRIPTION

[0023] The present application will be further illustrated below in combination with the drawings and specific embodiments, the embodiments are implemented on the premise of the technical scheme of the present application, and it should be understood that the embodiments are only used for illustrating the present application and are not used for limiting the scope of the present application.

[0024] As Figure 1 , Figure 2 and Figure 3 shown, a heavy ocean engineering crane base supporting cylinder includes a base 1, a lower cylinder 2 installed on the base 1, and an upper cylinder 3 installed on the upper end of the lower cylinder 2; the upper end of the lower cylinder 2 and the lower end of the upper cylinder 3 are both correspondingly provided with an annular mounting plate 4, the annular mounting plate 4 is fixedly installed with the upper cylinder 3 and the lower cylinder 2 into an integrated body through a fixing piece 9; the upper end of the upper cylinder 3 is further provided with a fixed flange 5, and a slewing bearing mechanism of the crane is correspondingly installed through the fixed flange 5.

[0025] The supporting barrel body of the application is divided into two sections, one section is arranged as a lower barrel body, and the other section is arranged as an upper barrel body, the two barrel bodies are butted and installed through the annular mounting plate at the butt joint, the lower barrel body is fixed on the base, and the upper end of the upper barrel body is correspondingly provided with a fixing flange, the fixing flange is correspondingly installed with a slewing bearing mechanism of a crane, the overall structure is divided into two sections, the installation is more convenient, and the stability is also guaranteed.

[0026] The outer side wall of the lower barrel body 2 is further provided with a plurality of rib plates 6, the side surface of the rib plate 6 is fixed at the outer side wall of the lower barrel body 2, the upper end is fixed at the lower end surface of the annular mounting plate 4, and the lower end is correspondingly fixed on the base 1, and among the plurality of rib plates 6, the adjacent two rib plates 6 are arranged as a group, and the side surface of the two rib plates 6 is correspondingly provided with a sealing plate 7, the area between the two rib plates 6 is arranged as a closed concrete pouring area 8 through the sealing plate 7 on the side surface, and the concrete pouring area 8 is correspondingly filled with concrete.

[0027] The concrete pouring area 8 at the outer side of the lower barrel body 2 is provided with six places, and gaps are left between the six concrete pouring areas 8; the fixing member 9 on the annular mounting plate 4 is correspondingly installed at the gap between the six concrete pouring areas 8.

[0028] In the application, the stability of the lower barrel body is ensured first, because the lower barrel body and the base are the sources of pressure bearing of the whole barrel body; in the application, a plurality of rib plates are arranged on the outer side wall of the lower barrel body, the spacing between adjacent rib plates is not the same, two adjacent rib plates are arranged as a group to form a concrete pouring area, and then the whole area is closed through the sealing plate, so that six concrete pouring areas are arranged, and the positions of the six concrete pouring areas are uniformly spaced, since the upper and lower annular mounting plates are installed through the fixing member, and the installation position of the fixing member cannot be arranged at the concrete pouring area after the concrete pouring area is arranged, the fixing member can be arranged at the gap, and the position is reasonable; after the concrete is poured into the concrete pouring area, the pressure bearing capacity of the lower barrel body can be enhanced, and compared with the traditional technical solution in which only rib plates are arranged, the pressure bearing capacity is obviously enhanced, and the overall stability and pressure resistance are improved.

[0029] The upper end of the upper barrel body 3 is further provided with an outwardly expanded portion 10, and the fixing flange 5 is installed at the upper end of the outwardly expanded portion 10, and the lower end of the outwardly expanded portion 10 is provided with an inclined supporting surface 11.

[0030] The inclined supporting surface 11 of the outwardly expanded portion 10 and the annular mounting plate 4 below are further provided with a supporting steel bar 12, and the supporting steel bar 12 is dispersedly arranged above the concrete pouring area 8.

[0031] Two supporting steels 12 are arranged above each concrete pouring area 8, one of which is arranged between the inclined supporting surface 11 and the annular mounting plate 4, and the other one is arranged downwardly through the two annular mounting plates 4 into the concrete pouring area 8 and is correspondingly fixed on the base 1.

[0032] In the application, the outer expansion part is arranged at the upper end of the upper cylinder, the lower end surface of the outer expansion part is arranged as an inclined supporting surface, the fixing flange is arranged on the outer expansion part, thus the direct stress unit of the upper cylinder is the outer expansion part, the lower end surface of the outer expansion part is arranged as an inclined surface, and the supporting steel is arranged between the outer expansion part and the lower annular mounting plate, the upper outer expansion part is supported by the supporting steel, the lower stress part is arranged as the annular mounting plate, the annular mounting plate is supported by the rib plate of the lower cylinder and concrete, and the overall structure is very reasonable, and the stability and compression resistance are greatly enhanced.

[0033] The pouring port 13 is arranged at the position where the supporting steel 12 passes through the two annular mounting plates 4, the size of the pouring port 13 is larger than that of the supporting steel 12, the supporting steel 12 extends into the concrete pouring area 8 from the pouring port 13, and the concrete is poured into the concrete pouring area 8 from the pouring port 13, until the pouring port 13 is blocked.

[0034] In the application, the mounting position of the supporting steel is arranged first, six concrete pouring areas are arranged on the outer side of the lower cylinder, the supporting steel is arranged above the six concrete pouring areas, two supporting steels are arranged above each concrete pouring area, one of which is fixed between the annular mounting plate and the inclined supporting surface, and the other one is arranged downwardly through the two annular mounting plates into the concrete pouring area and is then fixed on the base, the one steel is supported by the annular mounting plate, and the other steel is supported by the base, so that the supporting capacity is increased, the pouring port is arranged on the annular mounting plate, the supporting steel can enter and be fixed from the pouring port, the size of the pouring port is set to be large, thus the supporting steel can enter and be fixed on the base, and the steel can be poured from the pouring port, so that the problem of the pouring port is solved, the supporting steel is fixed in the concrete, the pouring port is blocked by the concrete, the supporting steel can increase the strength of the concrete, and the compression resistance and stability are further increased.

[0035] The above specific embodiment is only a preferred embodiment of the application, and is not used to limit the implementation and the scope of claims of the application, and equivalent changes and modifications made according to the application patent protection scope content should be included in the application patent application scope.

Claims

1. A heavy-duty marine engineering crane base support cylinder, characterized in that: The system includes a base (1), a lower cylinder (2) mounted on the base (1), and an upper cylinder (3) mounted on the upper end of the lower cylinder (2). The upper end of the lower cylinder (2) and the lower end of the upper cylinder (3) are respectively provided with annular mounting plates (4). The upper cylinder (3) and the lower cylinder (2) are fixedly installed together by fasteners (9) on the annular mounting plates (4). The upper end of the upper cylinder (3) is also provided with a fixing flange (5), through which the slewing bearing mechanism of the crane is installed. The outer side wall of the lower cylinder (2) is also provided with several stiffening plates (6). The stiffening plates (6) are fixed to the outer side wall of the lower cylinder (2), the upper end is fixed to the lower end face of the annular mounting plate (4), and the lower end is fixed to the base (1). Among the several stiffening plates (6), two adjacent stiffening plates (6) are set as a group, and the sides of these two stiffening plates (6) are also equipped with sealing plates (7). The sealing plates (7) on the sides are used to set the area between these two stiffening plates (6) into a closed concrete pouring area (8), and the concrete pouring area (8) is filled with concrete accordingly. The upper end of the upper cylinder (3) is also provided with an outer expansion part (10), the fixed flange (5) is installed at the upper end of the outer expansion part (10), and the lower end of the outer expansion part (10) is provided with an inclined support surface (11). A supporting steel bar (12) is also installed between the inclined support surface (11) of the outer expansion part (10) and the lower annular mounting plate (4), and the supporting steel bar (12) is dispersed above the concrete pouring area (8). Two supporting steel bars (12) are provided above each concrete pouring area (8). One supporting steel bar (12) is located between the inclined support surface (11) and the annular mounting plate (4); the other supporting steel bar (12) passes down through the two annular mounting plates (4) and extends into the concrete pouring area (8) and is fixed on the base (1). A grouting port (13) is provided at the position where the supporting steel bar (12) passes through the two annular mounting plates (4). The size of the grouting port (13) is larger than the size of the supporting steel bar (12). The supporting steel bar (12) extends from the grouting port (13) into the concrete grouting area (8) and pours concrete into the concrete grouting area (8) from the grouting port (13) until the grouting port (13) is sealed.

2. The heavy-duty marine engineering crane base support cylinder according to claim 1, characterized in that: There are six concrete pouring areas (8) on the outside of the lower cylinder (2), and gaps are left between the six concrete pouring areas (8).

3. The heavy-duty marine engineering crane base support cylinder according to claim 2, characterized in that: The fasteners (9) on the annular mounting plate (4) are installed in the gaps between the six concrete pouring areas (8).

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