Windproof hoisting crane for marine building

Abstract

The utility model discloses a windproof hoisting crane for marine buildings, which comprises a hoisting arm, a motor, a connecting seat, a guide hole sleeve body, a telescopic arm, a hoisting mechanism, a screw rod, a transmission sleeve, a driven gear, a fixed sleeve, a transmission gear I, a transmission gear II and a driving gear, the lifting crane has the advantages that the lifting crane is reasonable and simple in structure, low in production cost, convenient to mount and complete in function, and the turning part of the upper side of the steel wire rope moves along with the tail end of the outer side of the telescopic arm, so that the opening angle between the lower sides of the steel wire rope can be adjusted, and the wind resistance of the lifting crane is improved; the guide hole and the fixed pipe body are arranged in the telescopic boom, so that the movement of the steel wire rope is not influenced after the telescopic boom is telescopically adjusted, and the reliability and the stability during material hoisting are also improved; according to the utility model, a plurality of balancing weights are arranged on the top surface of the lifting seat, so that the steel wire rope can be always in a tensioned state, and the wind resistance of the hoisting crane is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane equipment, in particular to a windproof lifting crane for marine construction. Background Art

[0002] The cranes equipped on existing offshore platforms are generally large in overall size and high in height, and use steel wire ropes to lift the corresponding equipment. The steel wire ropes have almost no constraints on the lifted equipment, and the platform is tilted, vibrated, and affected by wind and waves. Under various factors such as wind force, the lifted equipment is prone to large swings. Due to the swing of the equipment, the gantry crane generates a large dynamic load during lifting and moving operations, which brings great risks to the crane operation. Most of the existing technologies allow the equipment to rotate with the wind when not working to offset part of the wind resistance, but still do not have good wind resistance during operation. For example, the existing Chinese invention patent with patent number CN 114852891 B discloses a windproof lifting crane for marine construction, but the structure of the windproof lifting crane is complex and the windproof effect is also relatively poor. Utility Model Content

[0003] The purpose of the utility model is to provide a windproof lifting crane for marine construction in order to solve the above problems, which solves the problems of the existing windproof lifting crane having a complex structure and poor windproof effect.

[0004] In order to solve the above problems, the utility model provides a technical solution: a windproof lifting crane for marine construction, including a boom, a motor, a connecting seat, a guide hole sleeve, a telescopic arm, a lifting mechanism, a screw, a transmission sleeve, a driven gear, a fixed sleeve, a transmission gear 1, a transmission gear 2 and a driving gear; the top of the connecting seat is fixedly connected to the bottom of the boom, the motor is fixedly connected to the left side of the center of the top surface of the connecting seat, and the driving gear is fixedly connected to the output shaft on the lower side of the motor; there are several guide hole sleeves, and the outer sides of one side of several guide hole sleeves are respectively fixedly connected to the inner parts around the connecting seat, and the upper sides of the inner parts of several guide hole sleeves are movably connected with screws, and the inner sides of the screws The end is fixedly connected with a transmission gear 2; there are several telescopic arms, and the outsides of several telescopic arms are movably connected to the corresponding guide hole sleeves, and the threaded holes arranged on the upper sides of several telescopic arms are respectively connected to the corresponding screws; the upper outside of the fixed sleeve is fixedly connected to the upper side of the central inside of the connecting seat, and the outside of the fixed sleeve is movably connected with a transmission sleeve; the upper outside of the transmission sleeve is fixedly connected with a driven gear, and the driven gear is connected to the driving gear, the central outside of the transmission sleeve is fixedly connected with a transmission gear 1, and the transmission gear 1 is connected to all the transmission gears 2; the lower side of the lifting mechanism is arranged on the lower side of the connecting seat, and the upper side of the lifting mechanism is arranged on the upper side of the connecting seat.

[0005] Preferably, the specific structure of the lifting mechanism includes a fixed shell, a guide wheel 1, a winch, a connecting groove, a guide wheel 2, a guide wheel 3, a guide hole, a fixed tube, a wire rope, a guide wheel 4, a connecting block, a hanging seat and a hook; the fixed shell is fixedly connected to the center of the top of the connecting seat, and the guide wheel 1 is movably connected inside the fixed shell; the winch is fixedly connected to the right side of the top surface of the connecting seat; the connecting groove is opened inside the outer side of the telescopic arm, and the guide wheel 2 and the guide wheel 3 are movably connected inside the connecting groove; the guide hole is opened inside the lower side of the telescopic arm, and the inside of the guide hole is connected to the fixed shell. The outside of the fixed tube body is movably connected, and the outside of the inner side of the fixed tube body is fixedly connected to the central inside of the connecting seat; there are several guide wheels four, and several of the guide wheels four are movably connected to the central inside of the connecting seat around; several connecting blocks are fixedly connected to the upper side of the hanging seat around, and a hook is movably connected to the central inside of the hanging seat; there are several steel wire ropes, and one end of several of the steel wire ropes is fixedly connected to the corresponding connecting blocks, and the other ends of several of the steel wire ropes are respectively connected to the corresponding guide wheel two, guide wheel three, guide hole, fixed tube body, guide wheel four and guide wheel one and the winch in sequence.

[0006] Preferably, a plurality of counterweights are provided on the top surface of the suspension seat.

[0007] Preferably, the interior of the guide hole sleeve is a rectangular hole.

[0008] Preferably, the motor is a reduction motor with a brake.

[0009] The beneficial effects of the utility model are as follows: (1) The utility model has a reasonable and simple structure, low production cost, easy installation, and complete functions. The upper bend of the wire rope moves with the outer end of the telescopic arm, which helps to adjust the opening angle between the lower sides of the wire rope, thereby improving the wind resistance of the crane.

[0010] (2) The guide hole and the fixed tube body provided in the utility model ensure that the telescopic arm will not affect the movement of the wire rope after being telescopically adjusted, thereby improving the reliability and stability during material lifting.

[0011] (3) The utility model is provided with a plurality of counterweight blocks on the top surface of the suspension seat, so that the wire rope can always be in a tensioned state, thereby further improving the wind resistance of the crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is the structural diagram of the lifting mechanism.

[0014] Figure 3 for Figure 2 Enlarged view of position A in the middle.

[0015] 1- boom; 2- motor; 3- connecting seat; 4- guide hole sleeve; 5- telescopic arm; 6- lifting mechanism; 7- screw; 8- transmission sleeve; 9- driven gear; 10- fixed sleeve; 11- transmission gear 1; 12- transmission gear 2; 13- driving gear; 61- fixed shell; 62- guide wheel 1; 63- winch; 64- connecting groove; 65- guide wheel 2; 66- guide wheel 3; 67- guide hole; 68- fixed tube; 69- wire rope; 610- guide wheel 4; 611- connecting block; 612- hanging seat; 613- hook. DETAILED DESCRIPTION

[0016] like Figure 1 As shown, this specific embodiment adopts the following technical scheme: a windproof lifting crane for marine construction, including a boom 1, and also including a motor 2, a connecting seat 3, a guide hole sleeve 4, a telescopic arm 5, a lifting mechanism 6, a screw 7, a transmission sleeve 8, a driven gear 9, a fixed sleeve 10, a transmission gear 1 11, a transmission gear 2 12 and a driving gear 13; the top of the connecting seat 3 is fixedly connected to the bottom of the boom 1, the motor 2 is fixedly connected to the left side of the center of the top surface of the connecting seat 3, and the driving gear 13 is fixedly connected to the output shaft on the lower side of the motor 2; there are several guide hole sleeves 4, and the outer sides of several guide hole sleeves 4 are respectively fixedly connected to the inner parts around the connecting seat 3, and the upper sides of the inner parts of several guide hole sleeves 4 are movably connected to screws 7, and the inner ends of the screws 7 It is fixedly connected with a transmission gear 2 12; there are several telescopic arms 5, and the exteriors of several telescopic arms 5 are movably connected to the corresponding guide hole sleeve 4, and the threaded holes arranged on the upper sides of several telescopic arms 5 are respectively connected to the corresponding screw rods 7; the exterior of the upper side of the fixed sleeve 10 is fixedly connected to the upper side of the central interior of the connecting seat 3, and the exterior of the fixed sleeve 10 is movably connected with a transmission sleeve 8; the exterior of the upper side of the transmission sleeve 8 is fixedly connected with a driven gear 9, and the driven gear 9 is connected to the driving gear 13, and the central exterior of the transmission sleeve 8 is fixedly connected with a transmission gear 11, and the transmission gear 11 is connected to all the transmission gear 2 12; the lower side of the lifting mechanism 6 is arranged on the lower side of the connecting seat 3, and the upper side of the lifting mechanism 6 is arranged on the upper side of the connecting seat 3.

[0017] like Figure 2 and Figure 3As shown, the specific structure of the lifting mechanism 6 includes a fixed shell 61, a guide wheel 1 62, a winch 63, a connecting groove 64, a guide wheel 2 65, a guide wheel 3 66, a guide hole 67, a fixed tube 68, a wire rope 69, a guide wheel 4 610, a connecting block 611, a hanging seat 612 and a hook 613; the fixed shell 61 is fixedly connected to the top center of the connecting seat 3, and the guide wheel 1 62 is movably connected inside the fixed shell 61; the winch 63 is fixedly connected to the right side of the top surface of the connecting seat 3; the connecting groove 64 is provided inside the outer side of the telescopic arm 5, and the guide wheel 2 65 and the guide wheel 3 66 are movably connected inside the connecting groove 64; the guide hole 67 is provided inside the lower side of the telescopic arm 5, and the guide hole 67 is inside It is movably connected to the outside of the fixed tube body 68, and the inner outside of the fixed tube body 68 is fixedly connected to the central interior of the connecting seat 3; there are several guide wheels 4 610, and several guide wheels 4 610 are movably connected to the central interior of the connecting seat 3 around; there are several connecting blocks 611 fixedly connected to the upper side of the hanging seat 612 around, and there is a hook 613 movably connected to the central interior of the hanging seat 612; there are several steel wire ropes 69, and one end of several steel wire ropes 69 is fixedly connected to the corresponding connecting blocks 611, and the other sides of several steel wire ropes 69 are respectively connected to the corresponding guide wheel 2 65, guide wheel 3 66, guide hole 67, fixed tube body 68, guide wheel 4 610 and guide wheel 1 62 and winch 63 in sequence.

[0018] Among them, several counterweight blocks are provided on the top surface of the suspension seat 612, so that the wire rope 69 can always be in a tensioned state, which further improves the wind resistance of the crane; the inside of the guide hole sleeve 4 is a rectangular hole; the motor 2 is a reduction motor with a brake.

[0019] The use status of the utility model is as follows: the utility model has a reasonable and simple structure, low production cost, convenient installation, and complete functions. When in use, first adjust the length of the telescopic arm 5 according to the wind speed, so that the angle between the lower sides of the wire rope 69 can be adjusted. The larger the angle between the lower sides of the wire rope 69, the stronger the wind resistance. When making specific adjustments, first start the motor 2 to drive the driving gear 13 to rotate, and the rotation of the driving gear 13 drives the transmission sleeve 8 to rotate through the driven gear 9, and the rotation of the transmission sleeve 8 drives all the transmission gears 2 12 and the screw 7 to rotate together through the transmission gear 1 11. Rotate, so that all the telescopic arms 5 can be telescoped and moved together, where the upper bend of the wire rope 69 moves with the outer end of the telescopic arm 5, which helps to adjust the opening angle between the lower sides of the wire rope 69, thereby improving the wind resistance of the crane. In addition, the guide hole 67 and the fixed tube body 68 are arranged to ensure that the telescopic adjustment of the telescopic arm 5 will not affect the movement of the wire rope 69, thereby improving the reliability and stability of material lifting. In addition, a number of counterweights are provided on the top surface of the hanging seat 612, so that the wire rope 69 can always be in a taut state, thereby further improving the wind resistance of the crane.

[0020] The control method in the present invention is to start manually or control by existing automation technology. The wiring diagram of the power element and the provision of power supply belong to the common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0021] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "setting", "connection", "fixation", "screw-on" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A windproof lifting crane for marine construction, comprising a boom (1), characterized in that: It also includes a motor (2), a connecting seat (3), a guide hole sleeve (4), a telescopic arm (5), a lifting mechanism (6), a screw (7), a transmission sleeve (8), a driven gear (9), a fixed sleeve (10), a transmission gear 1 (11), a transmission gear 2 (12) and a driving gear (13); The top of the connecting seat (3) is fixedly connected to the bottom of the boom (1); a motor (2) is fixedly connected to the left side of the center of the top surface of the connecting seat (3); and a driving gear (13) is fixedly connected to the output shaft at the bottom of the motor (2); There are a plurality of guide hole sleeves (4), one side of each of the guide hole sleeves (4) is fixedly connected to the inside of the connecting seat (3) on one side, and the upper sides of the inner parts of each of the guide hole sleeves (4) are movably connected to a screw rod (7), and the inner end of the screw rod (7) is fixedly connected to a transmission gear 2 (12); There are a plurality of telescopic arms (5), the exteriors of the plurality of telescopic arms (5) are movably connected to the interiors of corresponding guide hole sleeves (4), and the threaded holes provided on the upper sides of the plurality of telescopic arms (5) are connected to corresponding screw rods (7); The upper outer side of the fixing sleeve (10) is fixedly connected to the upper inner side of the center of the connecting seat (3), and the outer side of the fixing sleeve (10) is movably connected to the transmission sleeve (8); A driven gear (9) is fixedly connected to the outer portion of the upper side of the transmission sleeve (8), and the driven gear (9) is connected to the driving gear (13); a transmission gear 1 (11) is fixedly connected to the outer portion of the central portion of the transmission sleeve (8), and the transmission gear 1 (11) is connected to all transmission gears 2 (12); The lower side of the lifting mechanism (6) is arranged on the lower side of the connecting seat (3), and the upper side of the lifting mechanism (6) is arranged on the upper side of the connecting seat (3).

2. The windproof lifting crane for marine construction according to claim 1, characterized in that: The specific structure of the lifting mechanism (6) includes a fixed shell (61), a guide wheel 1 (62), a winch (63), a connecting groove (64), a guide wheel 2 (65), a guide wheel 3 (66), a guide hole (67), a fixed tube (68), a steel wire rope (69), a guide wheel 4 (610), a connecting block (611), a hanging seat (612) and a hook (613); The fixed housing (61) is fixedly connected to the top center of the connecting seat (3), and a guide wheel 1 (62) is movably connected inside the fixed housing (61); The hoist (63) is fixedly connected to the right side of the top surface of the connecting seat (3); The connecting groove (64) is provided inside the outer side of the telescopic arm (5), and the connecting groove (64) is movably connected with the guide wheel 2 (65) and the guide wheel 3 (66); The guide hole (67) is formed inside the lower side of the telescopic arm (5), the inside of the guide hole (67) is movably connected to the outside of the fixed tube body (68), and the inside outside of the fixed tube body (68) is fixedly connected to the central inside of the connecting seat (3); There are a plurality of guide wheels four (610), and the plurality of guide wheels four (610) are movably connected to the central inner periphery of the connecting seat (3); A plurality of connection blocks (611) are fixedly connected to the upper side of the hanging seat (612) and the central interior of the hanging seat (612) is movably connected to a hanging hook (613); There are a plurality of steel wire ropes (69), one end portion of each of the steel wire ropes (69) is fixedly connected to a corresponding connection block (611), and the other end portions of each of the steel wire ropes (69) are sequentially connected to a corresponding guide wheel 2 (65), a guide wheel 3 (66), a guide hole (67), a fixed tube body (68), a guide wheel 4 (610), and a guide wheel 1 (62) and a winch (63).

3. The windproof lifting crane for marine construction according to claim 2, characterized in that: A plurality of counterweight blocks are arranged on the top surface of the hanging seat (612).

4. The windproof lifting crane for marine construction according to claim 1, characterized in that: The guide hole sleeve (4) has a rectangular hole inside.

5. The windproof lifting crane for marine construction according to claim 1, characterized in that: The motor (2) is a reduction motor with a brake.

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