A truss leg

Abstract

The present application discloses a kind of truss pile legs, including several pile leg units and intermediate units, the pile leg unit can be stacked to constitute integral truss pile leg, and the intermediate unit is fixed between two adjacent pile leg units correspondingly;The pile leg unit is made of three vertical chords, the position of each pile leg unit upper chord corresponds, and two vertical racks are further provided on each chord;And the lateral position of intermediate unit is provided with the intermediate rack corresponding to the vertical rack position.The upper and lower pile leg units in the present application are stacked, and the upper and lower vertical racks are installed to constitute integral rack structure corresponding to the intermediate rack;When the vertical rack on the upper and lower pile leg units has machining precision problem, the intermediate rack with different thickness, different tooth spacing and tooth size can be replaced to realize accurate installation with the vertical rack on the upper and lower sides;The structure is more ingenious, and accurate assembly is realized by setting intermediate unit.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of triangular truss on the ocean mobile platform, in particular to a truss pile leg. BACKGROUND

[0002] In the prior art, among the mobile platforms used in various countries in the world, about 70% are self-elevating platforms, which are the main type of platforms; and the large truss type pile leg is the key structure of the self-elevating platform, the pile leg is in the shape of a triangular truss, and the structure is a circular tube support intersecting structure; the three corners of the pile leg structure are provided with main side pipes with racks, and the pile leg structure is composed of a triangular truss by connecting the structure pipes; due to the large material strength of the pile leg structure, the complex node form, the great welding difficulty, and the very strict size requirement, and the very high matching precision requirement of the pile leg and the rack box, the construction precision of the pile leg structure is required to be high, so that the assembly of the pile leg structure is very difficult; a reasonable pile leg structure assembly method is very important for size control, welding difficulty reduction, and design node guarantee.

[0003] Usually, the pile leg is in the truss type X structure, and a plurality of pile legs are arranged; according to the actual processing and manufacturing capacity on site, a single pile leg can be divided into N segments for processing (blind teeth+N pile leg segments), the blind teeth are divided into pile shoe segments, and except for the fitting parts at the folding opening, the remaining fitting parts should be installed at the end of the segmentation stage; during the processes of incoming material, processing, main side pipe lengthening, and heat treatment, the pile leg structure will inevitably generate accumulated tolerances, and some even have super deviations, especially when the upper and lower pile legs are connected and installed, a large deviation will be generated at the connecting position of the rack, which brings certain hidden dangers for the subsequent installation of lifting equipment, and the structure of the rack is not convenient to replace and change, which greatly disturbs the subsequent construction.

[0004] Therefore, in order to solve the above problems, it is necessary to develop a truss pile leg capable of adjusting the rack butt joint and splicing. SUMMARY

[0005] The purpose of the present application is to solve the problems existing in the prior art, and to provide a truss pile leg; the technical scheme is as follows:

[0006] A truss pile leg comprises a plurality of pile leg units and an intermediate unit, the pile leg units can be stacked up and down to form an overall truss pile leg, and the intermediate unit is fixed between two adjacent pile leg units; each pile leg unit is composed of three vertical chords, the positions of the upper and lower chords of each pile leg unit correspond, and two vertical racks are arranged on each chord; and the intermediate unit is provided with an intermediate rack corresponding to the position of the vertical rack at the lateral position, and the vertical racks on the upper and lower chords can be transferred to the intermediate rack.

[0007] Further, the upper end and the lower end of each pile leg unit are respectively provided with a horizontal connecting pipe, the horizontal connecting pipe is installed between adjacent chord rods, and the installation position of the chord rod is correspondingly arranged, so that the transverse section of the pile leg unit forms a regular triangle structure; when the upper and lower pile leg units are stacked, the horizontal connecting pipe corresponds to the position of the middle unit; and a vertical cross brace pipe is further installed on each pile leg unit.

[0008] Further, the middle unit is integrally arranged as a regular triangle plate structure, a triangular groove is arranged at the middle position of the plate body, the positions of the three edges of the plate body correspond to the positions of the horizontal connecting pipes of the upper and lower pile leg units, and a reinforcing mechanism is further installed between the three edges of the plate body and the upper and lower horizontal connecting pipes.

[0009] Further, the reinforcing mechanism comprises a reinforcing horizontal plate, the reinforcing horizontal plate is in a strip-shaped structure, one end of the reinforcing horizontal plate is fixed to the upper end face and the lower end face of the three edges of the middle unit, the upper and lower positions correspond; and a spring groove is arranged in the reinforcing horizontal plate, a bottom plate with a size adapted to the spring groove is arranged at the bottom of the spring groove, a stretching plate is arranged at the middle position of the bottom plate, the stretching plate extends outward from the other side of the reinforcing horizontal plate, a hook is arranged at the end of the stretching plate extending outward, the size of the hook is adapted to the outer diameter of the horizontal connecting pipe; and spring pieces are further arranged at both sides of the spring groove of the reinforcing horizontal plate, the spring pieces are arranged at both sides of the stretching plate, one end of the spring piece is fixed to the bottom plate, and the other end of the spring piece is fixed to the other end of the spring groove, the spring piece presses the bottom plate as a whole, and the bottom plate is fixed in the spring groove.

[0010] Further, the upper end and the lower end of each pile leg unit are respectively provided with a horizontal connecting pipe, the horizontal connecting pipe is installed between adjacent chord rods, and the installation position of the chord rod is correspondingly arranged, so that the transverse section of the pile leg unit forms a regular triangle structure; when the upper and lower pile leg units are stacked, the horizontal connecting pipe corresponds to the position of the middle unit; and a vertical cross brace pipe is further installed on each pile leg unit.

[0011] Further, the upper end and the lower end of each pile leg unit are respectively provided with a horizontal connecting pipe, the horizontal connecting pipe is installed between adjacent chord rods, and the installation position of the chord rod is correspondingly arranged, so that the transverse section of the pile leg unit forms a regular triangle structure; when the upper and lower pile leg units are stacked, the horizontal connecting pipe corresponds to the position of the middle unit; and a vertical cross brace pipe is further installed on each pile leg unit.

[0012] Beneficial effects: The present application has the following beneficial effects:

[0013] (1) The present application is provided with a middle unit at the middle position of the upper and lower stacked pile leg units, and vertical racks are installed on the chord bars of each pile leg unit, so that the vertical racks of the upper and lower pile leg units correspond to the middle rack to form an integral rack structure after stacking; when the vertical racks of the upper and lower pile leg units have machining precision problems, different thicknesses, different tooth spacing and tooth size of the middle rack can be replaced to realize precise installation with the vertical racks of the upper and lower pile leg units; the structure is ingenious, and precise assembly is realized by setting the middle unit.

[0014] (2) In order to increase the stability of each pile leg unit, horizontal connecting pipes are installed at the upper and lower end positions of each pile leg unit, and the three chord bars are connected and installed in one body, and a vertical cross-shaped support pipe is further arranged on the vertical plane of the pile leg unit to further strengthen the stability of the whole pile leg unit; in addition, when the pile leg units are stacked, the middle unit can be butt-jointed with the horizontal connecting pipes above and below to increase the stability.

[0015] (3) The middle unit is specifically set as a triangular plate structure, which is consistent with the shape structure of the upper and lower pile leg units and can be stacked in the middle; after the middle unit is provided with a triangular groove, the plate body forms three edges corresponding to the positions of the three horizontal connecting pipes of the upper and lower pile leg units, so that the reinforcing mechanism can be installed more conveniently.

[0016] (4) The reinforcing mechanism is specifically provided with elastic stretching function, and the foundation part is provided with a reinforcing horizontal plate, a stretching plate and a spring part; the reinforcing horizontal plate is fixed to the upper end surface and the lower end surface of the three edges of the middle unit, the spring groove is arranged in the reinforcing horizontal plate, the stretching plate is arranged in the spring groove, the spring part is installed in the spring groove and is elastically pressed on the bottom plate, and the end part of the stretching plate is provided with a hook; during specific installation, the middle unit is welded and fixed between the two pile leg units, the three edges of the middle unit correspond to the positions of the three horizontal connecting pipes of the upper and lower pile leg units, the hook of the stretching plate of the reinforcing mechanism installed on the three edges of the middle unit is correspondingly sleeved on the upper and lower horizontal connecting pipes, so that the upper and lower pile leg units are connected and fixed through the middle unit to increase the stability of the upper and lower pile leg units; in addition, the structure is connected and installed through the elastic force of the spring part, and is very convenient to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural diagram of the present application;

[0018] Figure 2 As Figure 1 A-A sectional view in the middle;

[0019] Figure 3 As Figure 1 B view in the middle;

[0020] Figure 4 As Figure 3 C-C sectional view in the middle. DETAILED DESCRIPTION

[0021] The present application will be further clarified by the following examples, which are intended to be purely exemplary of the present application and are not intended to limit the scope of the present application.

[0022] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a truss leg includes a plurality of leg units 1 and intermediate units 2, the leg units 1 can be stacked up and down to form an overall truss leg, and the intermediate units 2 are correspondingly fixed between two adjacent leg units 1 above and below; each leg unit 1 is composed of three vertical chords 3, the positions of the upper and lower chords 3 of each leg unit 1 correspond, and two vertical racks 4 are further provided on each chord 3; and the intermediate units 2 are provided with intermediate racks 5 corresponding to the positions of the vertical racks 4, and the vertical racks 4 on the upper and lower chords 3 can be transitioned to the intermediate racks 5.

[0023] In the present application, in addition to the leg units above and below, an intermediate unit is also provided at the middle position of the stacked leg units above and below, since the vertical racks are installed on the chords of each leg unit, the intermediate unit is also provided with intermediate racks corresponding to the positions of the vertical racks, so that after the stacked leg units above and below are stacked, the vertical racks above and below are correspondingly installed with the intermediate racks to form an overall rack structure; when the vertical racks on the leg units above and below have machining precision problems, different thicknesses and different tooth spacing and tooth size intermediate racks can be replaced to realize precise installation with the vertical racks above and below; the structure is relatively ingenious, and precise assembly is realized by providing the intermediate unit.

[0024] The upper end and the lower end of each leg unit 1 are correspondingly provided with horizontal connecting pipes 6, the horizontal connecting pipes 6 are installed between adjacent chords 3, and the installation positions of the chords 3 are correspondingly provided, so that the transverse section of the leg unit 1 forms a regular triangular structure; when the leg units 1 above and below are stacked, the horizontal connecting pipes 6 correspond to the position of the intermediate unit 2 in the middle; and a vertical cross-shaped bracing pipe 18 is further installed on each leg unit 1.

[0025] In order to increase the stability of each pile leg unit, horizontal connecting pipes are arranged at the upper and lower ends of each pile leg unit, and the three chordal pipes are connected and integrated into one body, the middle position of the pile leg unit forms a triangular structure, and vertical cross-shaped support pipes are arranged on the vertical plane of the pile leg unit, further strengthening the stability of the whole pile leg unit.

[0026] The middle unit 2 is arranged as a triangular plate body structure, and a triangular groove 7 is arranged at the middle position of the plate body; the three edges of the plate body correspond to the positions of the horizontal connecting pipes 6 of the upper and lower pile leg units 1, and the reinforcing mechanism 8 is arranged between the three edges of the plate body and the horizontal connecting pipes 6.

[0027] In the present application, the middle unit is arranged as a triangular plate body structure, and the shape of the triangular plate body structure is consistent with the shape of the upper and lower pile leg units, and the middle unit can be stacked in the middle. After the triangular groove is arranged in the middle unit, the plate body forms three edges, and the three edges correspond to the positions of the three horizontal connecting pipes of the upper and lower pile leg units, so that the reinforcing mechanism can be conveniently arranged.

[0028] The reinforcing mechanism 8 comprises a reinforcing cross plate 9, which is a long strip structure, one end of the reinforcing cross plate 9 is fixed to the upper and lower end faces of the three edges of the middle unit 2, and the upper and lower positions correspond; and the reinforcing cross plate 9 is internally provided with a spring groove 10, the bottom of the spring groove 10 is provided with a size-adapted bottom plate 11, the middle position of the bottom plate 11 is provided with a stretching plate 12, the stretching plate 12 extends outward from the other side of the reinforcing cross plate 9, and the stretching plate 12 is provided with a hook 13 at the end of the extension, the size of the hook 13 is adapted to the outer diameter of the horizontal connecting pipe 6; and spring members 14 are arranged on both sides of the spring groove 10 of the reinforcing cross plate 9, the spring members 14 are arranged on both sides of the stretching plate 12, one end of the spring members 14 is arranged on the bottom plate 11, and the other end is arranged on the other end of the spring groove 10, and the spring members 14 press the bottom plate 11 as a whole, and the bottom plate 11 is fixed in the spring groove 10.

[0029] The reinforcing mechanism in the application is specifically provided with elastic stretching function, the base member is provided with reinforcing horizontal plates, stretching plates and spring members, the reinforcing horizontal plates are fixed on the upper end faces and lower end faces of the three edges of the middle unit, spring grooves are arranged in the reinforcing horizontal plates, the stretching plates are arranged in the spring grooves, the spring members are installed in the spring grooves and are elastically pressed on the bottom plate, and the end portions of the stretching plates are provided with hooks, in specific installation, the middle unit is welded and fixed between the two pile leg units, the three edges of the middle unit correspond to the positions of the three horizontal connecting pipes of the upper and lower pile leg units, the hooks of the stretching plates of the reinforcing mechanism installed on the three edges of the middle unit are correspondingly sleeved on the upper and lower horizontal connecting pipes after being stretched out, so that the upper and lower pile leg units are connected and fixed through the middle unit, and the stability of the upper and lower pile leg units is increased; in addition, the structure is installed through the elastic force of the spring members, and the structure is very convenient to disassemble.

[0030] The upper end and the lower end of each edge of the middle unit 2 are correspondingly provided with three reinforcing mechanisms 8; the hooks 13 of the reinforcing mechanisms 8 are sleeved and fixed on the corresponding horizontal connecting pipes 6.

[0031] The upper and lower end faces of the three end portions of the middle unit 2 are also provided with positioning convex columns 15, and the end portions of the three chord rods 3 of the upper and lower pile leg units 1 are provided with positioning grooves which are adapted in position and size to the positioning convex columns 15; when the upper and lower pile leg units 1 are stacked, the positioning convex columns 15 are embedded in the positioning grooves; and the three end portion sides of the middle unit 2 are also provided with upward and downward mounting plates 16, and the mounting plates 16 are also provided with fixing members 17, so that the upper and lower chord rods 3 and the middle unit 2 are mounted and fixed into an integral whole through the mounting plates 16 and the fixing members 17.

[0032] The mounting and fixing bases of the upper and lower pile leg units in the application are also realized through the butt joint installation of the upper and lower chord rods, the middle unit is provided with upward and downward positioning convex columns at the corresponding positions of the upper and lower chord rods, the positioning function can be realized, and the side surface of the middle unit is provided with upward and downward mounting plates, so that the upper and lower chord rods are butt jointed and installed, and the stability of the whole truss pile leg is obviously improved through the installation of the reinforcing mechanism.

[0033] 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 range content should be included in the application patent application range.

Claims

1. A truss pile leg, characterized in that: The structure includes several leg units (1) and intermediate units (2). The leg units (1) can be stacked to form an integral truss leg, while the intermediate units (2) are fixed between two adjacent leg units (1). Each leg unit (1) consists of three vertical chords (3). The upper and lower chords (3) of each leg unit (1) are in corresponding positions, and each chord (3) is provided with two rows of vertical racks (4). The intermediate unit (2) is provided with an intermediate rack (5) at its lateral position, which corresponds to the position of the vertical racks (4). The vertical racks (4) on the upper and lower chords (3) can all transition to the intermediate rack (5). Each pile leg unit (1) has a horizontal connecting pipe (6) installed at its upper and lower ends. The horizontal connecting pipe (6) is installed between adjacent chords (3), and the installation position of the chords (3) is set accordingly, so that the transverse cross section of the pile leg unit (1) forms an equilateral triangle shape. When the pile leg units (1) are stacked, the horizontal connecting pipe (6) corresponds to the position of the middle unit (2). In addition, each pile leg unit (1) is also equipped with a vertical cross-bracing pipe (18). The intermediate unit (2) is set as an equilateral triangle plate structure, with a triangular groove (7) in the middle of the plate; the three sides of the plate correspond to the positions of the horizontal connecting pipes (6) of the upper and lower pile leg units (1), and a reinforcement mechanism (8) is also installed between the three sides of the plate and the upper and lower horizontal connecting pipes (6). The reinforcement mechanism (8) includes a reinforcement horizontal plate (9), which is a long strip structure. One end of the reinforcement horizontal plate (9) is fixed to the upper and lower end faces of the three sides of the middle unit (2), with corresponding upper and lower positions. A spring groove (10) is provided inside the reinforcement horizontal plate (9). A matching base plate (11) is installed at the bottom of the spring groove (10). A tension plate (12) is installed in the middle of the base plate (11). The tension plate (12) extends outward from the other side of the reinforcement horizontal plate (9) and the tension plate (12) extends outward from the other side of the reinforcement horizontal plate (9). A hook (13) is installed at the rear end of the plate (12). The size of the hook (13) is adapted to the outer diameter of the horizontal connecting pipe (6). Spring components (14) are also installed on both sides of the spring groove (10) of the reinforcing horizontal plate (9). The spring components (14) are set on both sides of the tension plate (12). One end of the spring component (14) is installed on the bottom plate (11), and the other end is installed on the other end of the spring groove (10). The spring component (14) presses against the bottom plate (11) as a whole, fixing the bottom plate (11) in the spring groove (10). The upper and lower end faces of the three ends of the intermediate unit (2) are provided with positioning protrusions (15), and the ends of the three chords (3) of the upper and lower pile leg units (1) are provided with positioning grooves that match the position and size of the positioning protrusions (15); when the upper and lower pile leg units (1) are stacked, the positioning protrusions (15) are embedded in the positioning grooves; and the three ends of the intermediate unit (2) are also provided with mounting plates (16) that protrude upward and downward, and the mounting plates (16) are also provided with fasteners (17), and the upper and lower chords (3) are installed and fixed together with the intermediate unit (2) by the mounting plates (16) and the fasteners (17).

2. A truss pile leg according to claim 1, characterized in that: Each side of the intermediate unit (2) is provided with three reinforcing mechanisms (8) at its upper and lower ends; the hooks (13) of the reinforcing mechanisms (8) are fixed on the corresponding horizontal connecting pipes (6).

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