Engineering machinery chassis for ship
By designing a box-type reinforced longitudinal beam structure for marine engineering machinery chassis, the problem of traditional chassis being unsuitable for ships has been solved, achieving improvements in stability and cost-effectiveness.
Patent Information
- Application Number
- CN202520585120.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Traditional excavator chassis are not suitable for ships and offshore operations, and the transmission seals are easily corroded by seawater, resulting in resource waste and increased costs.
Design a chassis for marine engineering machinery, adopting a box-type reinforced longitudinal beam structure, which can be flexibly disassembled and assembled through a fixing frame, eliminating the traditional four wheels and one track and transmission components such as reducers, and fixing it to the ship deck to enhance stability and adaptability.
It improves the stability and adaptability of engineering machinery on ships, and reduces equipment and maintenance costs.
Smart Images

Figure CN223850778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a ship engineering machinery chassis belongs to engineering machinery technical field. BACKGROUND
[0002] At present, large excavators for ships are less, and most of them are directly fixed on ships. The traditional excavator chassis is equipped with four-wheel transmission device, reducer and other transmission devices, which is not suitable for ship and offshore working conditions. The transmission sealing element is easy to be corroded by seawater, causing resource waste and cost increase. SUMMARY
[0003] According to market feedback and customer demand, the utility model provides a ship engineering machinery chassis.
[0004] The utility model realizes the following technical scheme:
[0005] A ship engineering machinery chassis comprises:
[0006] The chassis body comprises an X-shaped frame and longitudinal beams symmetrically connected to the left and right sides of the frame.
[0007] The fixed base is fixed to the hull deck below the two transverse ends of each longitudinal beam along its length direction, and the transverse end of the longitudinal beam is embedded in the fixed base. The four-position fixed base limits the vertical position of the chassis body.
[0008] The fixing frame is distributed at the two transverse ends of each longitudinal beam along its length direction, and the fixing frame is clamped on the end of the longitudinal beam and fixed with the fixed base. The upward movement of the chassis body is limited by the four-position fixing frame.
[0009] In some embodiments, the fixing frame comprises:
[0010] The left and right side plates are opposite to each other.
[0011] The top plate is arranged at the top surface of the fixing frame and connected to the left and right side plates.
[0012] The rear vertical plate is arranged at the outer side surface of the fixing frame along its length direction and connected to the left and right side plates and the top plate.
[0013] A horizontal outwardly extending U-shaped flange is provided along the bottom surface of the left and right side plates and the rear vertical plate, and the U-shaped flange constitutes the fixing plate of the fixing frame. The U-shaped flange is attached to the fixed base.
[0014] In some embodiments, the U-shaped flange is directly welded on the fixing base; or, a through hole is arranged on the U-shaped flange, and a threaded hole is arranged on the fixing base, and the U-shaped flange and the fixing base are fixed together through a through bolt.
[0015] In some embodiments, the fixing frame further comprises a front vertical plate in the shape of ∩, which is connected with the left side plate, the right side plate, the top plate and the U-shaped flange; the front vertical plate and the rear vertical plate are vertically protruded from the top plate, and a lifting hole is arranged on the protruded part in the same axis.
[0016] In some embodiments, a plurality of transverse and longitudinal staggered rib plates are fixed between the top plate and the protruded part of the front vertical plate and the rear vertical plate; and / or,
[0017] a plurality of rib plates are fixed between the U-shaped flange and the rear vertical plate; and / or,
[0018] both sides of the top plate are horizontally protruded from the left side plate and the right side plate, a plurality of rib plates are fixed between the protruded part of the left side plate and the top plate and the U-shaped flange, and a plurality of rib plates are fixed between the protruded part of the right side plate and the top plate and the U-shaped flange.
[0019] In some embodiments, the inner surface of the left side plate, the right side plate, the rear vertical plate and the top plate is fixed with a protective pad which has the same shape and is in contact with the longitudinal beam.
[0020] In some embodiments, the longitudinal beam is in the shape of a box, a plurality of vertical supports are arranged in the box along the length direction, and at least one horizontal support is arranged between some opposite vertical supports.
[0021] In some embodiments, the four connecting ends of the frame are in the shape of a U, which are used to connect and fix the top plate and the inner vertical plate of the longitudinal beam, and the plate thickness of the top plate and the inner vertical plate of the longitudinal beam in the area in contact with the frame is greater than the plate thickness of the remaining part of the top plate and the inner vertical plate of the longitudinal beam; the plate thickness of the outer vertical plate of the longitudinal beam gradually decreases from both ends to the middle area along the length direction of the longitudinal beam.
[0022] In some embodiments, the connecting ends of the frame are directly welded on the top plate and the inner vertical plate of the longitudinal beam; or, a plurality of through holes are arranged on the connecting ends of the frame, and threaded holes are arranged on the top plate and the inner vertical plate of the longitudinal beam, and the frame and the longitudinal beam are fixed together through bolts.
[0023] In some embodiments, the fixing base is composed of a fixing base I, a fixing base II and a fixing base III which are welded on the deck of the ship body, the fixing base I is matched with the inner side of the bottom plate of the longitudinal beam, the fixing base II is matched with the end part of the bottom plate of the longitudinal beam, and the fixing base III is matched with the outer side of the bottom plate of the longitudinal beam.
[0024] The utility model discloses beneficial effects:
[0025] The box type reinforced longitudinal beam structure can be directly fixed on the ship deck and is flexible to disassemble and assemble through the fixing frame, removes the traditional four-wheel belt and the transmission member such as speed reducer, is more favorable for the fixation of the engineering machinery on the ship, improves the stability of the engineering machinery, improves the adaptability of the product special working condition, greatly reduces the equipment cost and service maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0026] The accompanying drawings, which are part of the present utility model, serve to provide a further understanding of the present utility model, the illustrative embodiments of the present utility model and the description thereof serve to explain the present utility model, but do not constitute improper limitation on the present utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained according to these drawings without creative labor for ordinary skilled in the art.
[0027] In the drawings:
[0028] Figure 1 It is the fixed state schematic view of chassis on the ship deck;
[0029] Figure 2 It is the chassis (assembly type) schematic view;
[0030] Figure 3 It is the ship deck fixed seat schematic view;
[0031] Figure 4 It is the longitudinal beam schematic Figure 1 ;
[0032] Figure 5 It is the longitudinal beam schematic Figure 2 ;
[0033] Figure 6 It is the longitudinal beam internal structure schematic view;
[0034] Figure 7 It is the fixed frame schematic Figure 1 ;
[0035] Figure 8 It is the fixed frame schematic Figure 2 .
[0036] In the figure: 1, hull, 2, frame, 3, longitudinal beam, 4, fixed frame, 101, hull deck, 102, fixed seat I, 103, fixed seat II, 104, fixed seat III, 301, rear top plate, 302, middle top plate, 303, front top plate, 304, sealing plate, 305, bottom plate, 306, right vertical plate I, 307, mounting plate I, 308, right middle vertical plate, 309, mounting plate II, 310, right vertical plate II, 311, left vertical plate I, 312, left vertical plate II, 313, left middle vertical plate, 314, left vertical plate III, 315, left vertical plate IV, 316, cross support I, 317, vertical support I, 318, vertical support II, 319, vertical support III, 320, cross support II, 321, vertical support IV, 322, vertical support V, 323, cross support III, 324, vertical support VI, 325, cross support IV, 401, front vertical plate, 402, top plate, 403, rib plate I, 404, cross rib plate, 405, rear vertical plate, 406, rib plate II, 407, rib plate III, 408, rib plate IV, 409, fixed plate, 410, left side plate, 411, top protective pad, 412, left protective pad, 413, rear protective pad, 414, right side plate, 415, right protective pad.
[0037] It should be noted that the drawings and the written description are not intended to limit the scope of the present application in any way. DETAILED DESCRIPTION
[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be described clearly and completely in combination with the drawings of the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.
[0039] In the description of the present application, it should be noted that the terms “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “inner”, “outer” and the like indicate 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 devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0040] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium.
[0041] As Figure 1 , Figure 2 , Figure 3 As shown in the figure, a ship engineering machinery chassis is fixed on the ship deck 101 through the fixing frame 4. In this example, the fixing frame 4 fixes the chassis on the ship deck 101 by bolt connection. This example is a chassis for super large mining excavator, which is of assembly type structure, including the frame 2 and the longitudinal beam 3, the longitudinal beam 3 is distributed on the left and right sides of the frame 2, and the frame 2 and the longitudinal beam 3 are connected and fixed at the top and the side. In this example, four fixing frames 4 are used, each fixing frame 4 cooperates with the structure of the longitudinal beam 3 in four directions respectively, and is fixed on the ship deck 101, finally limiting the displacement of the chassis in each direction.
[0042] There are four fixing areas on the ship deck 101 in four corner directions of the chassis, each fixing area is composed of the fixing seat I 102, the fixing seat II 103 and the fixing seat III 104. The fixing seat I 102 cooperates with the inner side of the longitudinal beam 3 bottom plate 305, the fixing seat II 103 cooperates with the end of the longitudinal beam 3 bottom plate 305, and the fixing seat III 104 cooperates with the outer side of the longitudinal beam 3 bottom plate 305, finally limiting the movement of the chassis in the plane. There are a plurality of threaded holes on each fixing seat, and the fixing frame 4 fixes the chassis through the threaded holes on the fixing seat.
[0043] As Figure 4 , Figure 5As shown, the longitudinal beam 3 does not contain a conventional four-wheel drive and other transmission components, and the overall structure is a box structure, and the internal and external structural components are arranged in a front-back symmetrical manner. The top of the longitudinal beam 3 is composed of a rear top plate 301, a middle top plate 302 and a front top plate 303, wherein the front top plate 303 and the rear top plate 301 have a surface cooperating with the frame 2 and a threaded hole fixedly connected, and the front top plate 303 and the rear top plate 301 are thicker than the middle top plate 302, and have higher strength. The side of the longitudinal beam 3 close to the frame 2 is composed of a right vertical plate I 306, a mounting plate I 307, a right middle vertical plate 308, a mounting plate II 309 and a right vertical plate II 310. Among them, the mounting plate I 307 and the mounting plate II 309 have a surface cooperating with the frame 2 and a threaded hole fixedly connected, and the mounting plate I 307 and the mounting plate II 309 are thicker than the right vertical plate I 306, the right middle vertical plate 308 and the right vertical plate II 310, and have higher strength. The side of the longitudinal beam 3 away from the frame 2 is composed of a left vertical plate I 311, a left vertical plate II 312, a left middle vertical plate 313, a left vertical plate III 314 and a left vertical plate IV 315, and the thickness of each vertical plate gradually decreases from both ends to the middle area. The left vertical plate I 311 and the left vertical plate IV 315 are the thickest, the left vertical plate II 312 and the left vertical plate III 314 are the second thickest, and the left middle vertical plate 313 is the thinnest, and they are arranged in a symmetrical manner.
[0044] As shown in FIG. 1, Figure 6 As shown, the longitudinal beam 3 is internally distributed with multiple vertical supports and horizontal supports, and all structures are arranged in a front-back symmetrical manner to support the entire longitudinal beam frame. This example only describes the structure of one half of the inside, and the other half of the vertical supports and horizontal supports can be reused or designed in a symmetrical manner according to the actual situation. The longitudinal beam 3 is internally provided with a sealing plate 304, a vertical support I 317, a vertical support II 318, a vertical support III 319, a vertical support IV 321 and a vertical support V 322, which support the entire longitudinal beam 3 box frame. The two ends of the longitudinal beam 3 and the area cooperating with the frame 2, i.e. the area bearing a large load, are locally reinforced. A horizontal support I 316 is added between the sealing plate 304 and the vertical support I 317, and a horizontal support IV 325 is added between the vertical support I 317 and the vertical support II 318. A horizontal support II 320, a horizontal support III 323 and a vertical support VI 324 are added between the vertical support III 319 and the vertical support V 322, wherein the horizontal support II 320 and the horizontal support III 323 are integrated, the vertical support VI 324 is located above the integrated body of the horizontal support II 320 and the horizontal support III 323, and is fixedly connected with the rear top plate 301.
[0045] As shown in FIG. 1, Figure 7 , Figure 8As shown, the fixing frame 4 is a small box body left-right symmetrical structure. The front vertical plate 401, the top plate 402, the rear vertical plate 405, the left side plate 410, the right side plate 414 and the fixed plate 409 constitute the frame structure of the fixing frame 4. The horizontal rib plate 404 and the rib plate I 403 are arranged between the front vertical plate 401, the rear vertical plate 405 and the top plate 402 to strengthen the top structure strength of the fixing frame 4. The rib plate II 406 and the rib plate III 407 are arranged between the rear vertical plate 405 and the fixed plate 409 to strengthen the end structure strength of the fixing frame 4. The rib plate IV 408 is arranged between the top plate 402, the fixed plate 409 and the left side plate 410, and the rib plate IV 408 is arranged between the top plate 402, the fixed plate 409 and the right side plate 414 to strengthen the structure of both sides of the fixing frame 4. Among them, the front vertical plate 401 and the rear vertical plate 405 are provided with lifting holes for lifting the fixing frame 4. The fixed plate 409 is provided with a plurality of through holes matched with the threaded holes of each fixing seat on the deck 101, so as to fix the chassis on the ship. In the internal cavity of the fixing frame 4, the top protection pad 411, the left protection pad 412, the right protection pad 415 and the rear protection pad 413 are respectively fixed on the top plate 402, the left side plate 410, the right side plate 414 and the rear vertical plate 405. Taking one end of the longitudinal beam 3 as an example, the top protection pad 411 is attached to the front top plate 303 of the longitudinal beam, the left protection pad 412 is attached to the right vertical plate I 306, the right protection pad 415 is attached to the left vertical plate I 311, and the rear protection pad 413 is attached to the sealing plate 304, which protects the longitudinal beam 3 in work and avoids damage to the longitudinal beam 3 caused by the fixing frame 4.
[0046] Actual use process:
[0047] Installation:
[0048] 1) The frame 2 and the longitudinal beam 3 are assembled into a chassis main body;
[0049] 2) The chassis main body is placed on the deck, wherein the longitudinal beam 3 is placed in the fixed seat area of the deck at four corners;
[0050] 3) The fixing frame 4 is lifted and placed at the end of the longitudinal beam 3 of the chassis main body, and the fixing frame 4 is fixed on the deck fixed seat through bolts;
[0051] 4) Repeat step 3), and place four fixing frames 4 at four corners of the chassis and fix them on the deck.
[0052] Among them, the first step can also fix the longitudinal beam 3 on the deck first, and then install the frame 2.
[0053] Dismantling: reverse the above steps to disassemble the chassis main body.
[0054] The utility model provides a kind of engineering machinery chassis for ship, it mainly includes chassis main body, fixed base and fixed frame;Chassis main body includes frame and stringer, stringer is distributed in the left and right sides of frame;Fixed base is composed of multiple fixed seats, is distributed in four directions, for fixing chassis main body and limiting;Fixed frame is used to fix chassis main body on ship deck, is distributed on the four corners of chassis main body, is fixed on deck fixed seat by bolt or direct welding mode.
[0055] Wherein stringer does not contain traditional four-wheel one belt etc. transmission member;Stringer is overall box structure, and each structural member inside and outside is front-back symmetrical layout;Stringer can be fixed with frame by bolt, also can be welded as a whole;The plate of stringer and frame connecting cooperation area is thicker;The plate of stringer inside front and back end fixed area is thicker;Multiple vertical supports are distributed in stringer inside, and prop up entire stringer frame;Stringer inside front and back end fixed area is equipped with cross brace between vertical support, to enhance the strength of box structure;Stringer and frame connecting cooperation area, inside is equipped with multiple cross braces and vertical supports, to enhance the strength of box structure;Stringer is front-back symmetrical layout structure, and all vertical supports and cross braces inside can be reused or designed symmetrically according to actual situation.
[0056] Wherein the fixed seat on ship deck is equipped with multiple screw holes, is connected with fixed frame, and fixes chassis main body;When fixed frame is welded and fixed, hole can not be equipped on fixed seat;Fixed seat is distributed on four corners on deck, is placed with four corners of stringer, and limits stringer activity area.
[0057] Wherein fixed frame is small box body left-right symmetrical structure, and front vertical plate, rear vertical plate, top plate, side plate and fixed plate form box frame, and multiple rib plates are equipped outside to enhance the strength of box structure;Protection pad is equipped on the inside top surface, back and two sides of fixed frame;The surface with protection pad inside fixed frame cooperates with stringer fixed end;Hoisting hole is equipped on the front and rear vertical plates of fixed frame;Multiple through holes are on the fixed plate of fixed frame, cooperate with the screw holes of fixed seat on deck;When fixed frame is welded and fixed, hole can not be equipped on fixed plate.
[0058] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present specification.
[0059] In addition, those skilled in the art can understand that, although some embodiments described herein include certain features contained in other embodiments rather than other features, the combination of features of different embodiments also means that it is within the protection scope of the utility model and forms different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved in the present application.
[0060] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application shall still fall within the scope of the present application.
Claims
1. An engineering machine chassis for a watercraft, characterized in that, The chassis body comprises a frame in the shape of X and longitudinal beams symmetrically connected to the left and right sides of the frame. A fixed base is fixed to the hull deck below each longitudinal beam at two transverse ends along the length of the longitudinal beam, the transverse ends of the longitudinal beam are embedded in the fixed base, and the planar movement of the chassis body is limited by the four-position fixed base. A fixed frame is distributed at two transverse ends of each longitudinal beam along the length of the longitudinal beam, the fixed frame is clamped on the end of the longitudinal beam and is fixed with the fixed base, and the vertical position of the chassis body is limited by the four-position fixed frame. The fixed frame comprises:
2. An engineered mechanical chassis for a marine vessel according to claim 1, wherein, a left side plate and a right side plate opposite each other; a top plate arranged at the top surface of the fixed frame and connected to the left side plate and the right side plate; a rear vertical plate arranged at the outer side of the fixed frame along the length direction and connected to the left side plate, the right side plate and the top plate; wherein a horizontally outwardly extending U-shaped flange is provided along the bottom surface of the left side plate, the right side plate and the rear vertical plate, and the U-shaped flange constitutes a fixed plate of the fixed frame; the U-shaped flange is fitted with the fixed base.
3. The engineering machinery chassis for a ship according to claim 2, wherein: the U-shaped flange is directly welded on the fixed base; or, a circumferential through hole is provided on the U-shaped flange, and a circumferential threaded hole is provided on the fixed base, and the U-shaped flange and the fixed base are fixed together by circumferential bolts.
4. The engineering machinery chassis for a ship according to claim 2, wherein: the fixed frame further comprises a ∩-shaped front vertical plate connected to the left side plate, the right side plate, the top plate and the U-shaped flange; the front vertical plate and the rear vertical plate are vertically protruded upward from the top plate, and hoisting holes are coaxially arranged at the protruded parts.
5. The engineering machinery chassis for a ship according to claim 4, wherein: a plurality of transversely and longitudinally staggered rib plates are fixed between the top plate and the protruded parts of the front vertical plate and the rear vertical plate; and / or, a plurality of rib plates are fixed between the U-shaped flange and the rear vertical plate; and / or, both sides of the top plate are horizontally outwardly protruded from the left side plate and the right side plate, a plurality of rib plates are fixed between the protruded parts of the left side plate and the top plate and the U-shaped flange, and a plurality of rib plates are fixed between the protruded parts of the right side plate and the top plate and the U-shaped flange.
6. The engineering machinery chassis for a ship according to claim 2, wherein: protective pads with the same shape as the left side plate, the right side plate, the rear vertical plate and the top plate are fixed to the inner surfaces of the left side plate, the right side plate, the rear vertical plate and the top plate.
7. The engineering machinery chassis for a ship according to claim 1, wherein: the longitudinal beam is in the shape of a box, a plurality of vertical supports are arranged in the box along the length direction, and at least one horizontal support is arranged between some opposite vertical supports.
8. The engineering machinery chassis for a ship according to claim 7, wherein: The four connecting ends of the frame are all designed as L-shaped structures for connecting and fixing with the top plate and the inner vertical plate of the longitudinal beam, and the plate thickness of the top plate and the inner vertical plate of the longitudinal beam in the area close to the frame is greater than that of the remaining part of the top plate and the inner vertical plate of the longitudinal beam. The plate thickness of the outer vertical plate of the longitudinal beam gradually decreases from both ends to the middle area along the length direction of the longitudinal beam.
9. The engineering mechanical chassis for a ship according to claim 8, characterized in that: The connecting ends of the frame are directly welded on the top plate and the inner vertical plate of the longitudinal beam; or a plurality of through holes are arranged on the connecting ends of the frame, and threaded holes are arranged on the top plate and the inner vertical plate of the longitudinal beam, and the frame and the longitudinal beam are fixed together through bolts.
10. The engineering mechanical chassis for a ship according to claim 1, characterized in that: The fixed base is composed of a fixed base I, a fixed base II and a fixed base III welded on the deck of the ship body, the fixed base I cooperates with the inner side of the bottom plate of the longitudinal beam, the fixed base II cooperates with the end part of the bottom plate of the longitudinal beam, and the fixed base III cooperates with the outer side of the bottom plate of the longitudinal beam.