Auxiliary hook mechanism of crane and gantry crane

Abstract

Compared with the prior art, the auxiliary hook mechanism of the crane and the crane disclosed by the utility model comprise an auxiliary arm frame main body, one end of the auxiliary boom main body is hinged with the end part of a main boom; one end of the connecting handrail is arranged on the auxiliary boom main body, and the other end of the connecting handrail is used for being arranged on a main boom; an auxiliary hoisting mechanism; the auxiliary hoisting mechanism comprises an auxiliary hook hoisting rope, an auxiliary hook pulley and an auxiliary hook; and an auxiliary hook lifting rope is connected with the auxiliary hook through an auxiliary hook pulley arranged at the end part of the auxiliary boom main body. Compared with the prior art, according to the auxiliary hook mechanism of the crane, the design of the auxiliary hook enables the crane to carry out two or more operations at the same time, for example, the main hook can be used for hoisting heavy objects, and the auxiliary hook can be used for auxiliary operation or hoisting light objects, so that the working efficiency can be remarkably improved; the utility model further provides a gantry crane which comprises the auxiliary hook mechanism of the crane and also has the technical effects.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, and more specifically, to a crane auxiliary hook mechanism. The utility model also relates to a portal crane. Background Art

[0002] With the development of national logistics and transportation, gantry cranes, as fully revolving lifting equipment, are becoming increasingly versatile and efficient. In shipbuilding, gantry cranes are widely used for lifting hull sections, turning over hulls, pre-launch preparations, material handling within the dock, joint lifting operations, and installation of specialized components. However, existing gantry cranes have a single hook, making it difficult to simultaneously perform various lifting operations, thus impacting crane efficiency.

[0003] Therefore, how to provide a crane auxiliary hook mechanism that can facilitate the rapid switching of a single hook of a gantry crane and a boom system with main and auxiliary hooks, and significantly improve the working efficiency of the crane, has become a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a crane auxiliary hook mechanism, which can facilitate the rapid switching of the single hook of the portal crane and the boom system with main and auxiliary hooks, thereby significantly improving the working efficiency of the crane. In addition, the utility model also provides a portal crane, which also has the above beneficial effects.

[0005] The utility model provides a technical solution for an auxiliary hook mechanism of a crane, comprising: an auxiliary boom body; one end of the auxiliary boom body is used for being hinged to the end of a main boom; a connecting railing, one end of the connecting railing is arranged on the auxiliary boom body, and the other end of the connecting railing is used for being arranged on the main boom; an auxiliary lifting mechanism; the auxiliary lifting mechanism comprises: an auxiliary hook lifting rope, an auxiliary hook pulley, and an auxiliary hook; the auxiliary hook lifting rope is connected to the auxiliary hook through the auxiliary hook pulley arranged at the end of the auxiliary boom body.

[0006] Furthermore, in a preferred embodiment of the present invention, the connecting railing is a telescopic connecting rod, and the length of the connecting railing is adjustable.

[0007] Furthermore, in a preferred embodiment of the present invention, the telescopic principle of the connecting railing is threaded screw adjustment; the connecting railing includes a first rod body and a second rod body, and the first rod body and the second rod body are connected by a threaded screw structure; the end of the first rod body away from the second rod body is arranged on the auxiliary boom body; the end of the second rod body away from the first rod body is used to be arranged on the main boom.

[0008] Furthermore, in a preferred embodiment of the present invention, the telescopic principle of the connecting railing is hydraulic cylinder adjustment; the connecting railing includes: a cylinder body; the cylinder body is arranged on the auxiliary boom body, and the telescopic rod of the cylinder body is used to be arranged on the main boom.

[0009] Furthermore, in a preferred embodiment of the present invention, the present invention further comprises:

[0010] An articulated interface structure, the articulated interface structure being used to be arranged at the end of the main boom;

[0011] One end of the auxiliary boom body is hinged to the end of the main boom through the hinge interface structure.

[0012] Furthermore, in a preferred embodiment of the present invention, it further comprises: a pull rod interface structure; the pull rod interface structure is used to be arranged on the main boom; the connecting railing is arranged on the main boom through the pull rod interface structure.

[0013] In addition, the utility model also provides a portal crane, comprising: the crane auxiliary hook mechanism as described above; a cylindrical portal frame; a turntable assembly arranged on the cylindrical portal frame;

[0014] A machine room is arranged on the turntable assembly; a column and a balancing system are arranged on the machine room; a main boom system is arranged on the machine room; a luffing mechanism is arranged on the column and the balancing system and is used to adjust the main boom of the main boom system; a main lifting mechanism is arranged on the machine room and the main boom system; a slewing mechanism is arranged on the cylindrical gantry and the turntable assembly, and the slewing mechanism is used to control the rotation of the machine room.

[0015] Furthermore, in a preferred embodiment of the present invention, it further comprises: an operating mechanism disposed below the cylindrical gantry and used for moving the cylindrical gantry.

[0016] Furthermore, in a preferred embodiment of the present invention, the main lifting mechanism includes:

[0017] A main hook lifting rope, a main hook pulley, a main hook, and a main lifting reel; the main hook pulley is arranged at the end of the main boom; the main lifting reel is arranged on the machine room; the main hook lifting rope is connected from the main lifting reel through the main hook pulley to control the main hook.

[0018] Furthermore, in a preferred embodiment of the present invention, the auxiliary lifting mechanism further comprises:

[0019] Auxiliary lifting reel, the auxiliary lifting reel is used to hoist the auxiliary hook lifting rope; the auxiliary lifting reel is arranged on the machine room.

[0020] In addition, the utility model also provides a portal crane, including the crane auxiliary hook mechanism as described above, which also has the above technical effects.

[0021] In summary, the present invention provides a technical solution for a crane auxiliary hook mechanism, which, compared with the prior art, comprises: an auxiliary boom body; one end of the auxiliary boom body is used to be hinged to the end of the main boom; a connecting railing, one end of the connecting railing is arranged on the auxiliary boom body, and the other end of the connecting railing is used to be arranged on the main boom; an auxiliary lifting mechanism; the auxiliary lifting mechanism comprises: an auxiliary hook lifting rope, an auxiliary hook pulley, and an auxiliary hook; the auxiliary hook lifting rope is connected to the auxiliary hook through the auxiliary hook pulley arranged at the end of the auxiliary boom body. Compared with the prior art, the crane auxiliary hook mechanism involved in the embodiment of the present invention has an auxiliary hook designed so that the crane can perform two or more operations at the same time, such as the main hook can be used to lift heavy objects, while the auxiliary hook can be used for auxiliary operations or lifting light objects, which can significantly improve work efficiency. In addition, the present invention also provides a portal crane, comprising the crane auxiliary hook mechanism as described above, which also has the above technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 A schematic structural diagram of a crane auxiliary hook mechanism provided in an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the auxiliary lifting mechanism and the main lifting mechanism provided in an embodiment of the present utility model;

[0025] Figure 3 A schematic diagram of the amplitude variation mechanism provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0027] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0030] It should be noted that the structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by people familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modifications, changes in proportional relationships, or adjustments in size should still fall within the scope of the technical contents disclosed in this utility model without affecting the efficacy and objectives that can be achieved by the present utility model.

[0031] like Figures 1 to 3 As shown, the auxiliary hook mechanism of the crane provided by the embodiment of the present invention includes: a secondary boom body 1; one end of the secondary boom body 1 is used to be hinged to the end of the main boom 801; a connecting railing 2, one end of the connecting railing 2 is arranged on the secondary boom body 1, and the other end of the connecting railing 2 is used to be arranged on the main boom 801; an auxiliary lifting mechanism 3; the auxiliary lifting mechanism 3 includes: an auxiliary hook lifting rope 301, an auxiliary hook pulley 302, and an auxiliary hook 303; the auxiliary hook lifting rope 301 is connected to the auxiliary hook 303 through the auxiliary hook pulley 302 arranged at the end of the secondary boom body 1.

[0032] Specifically, the present invention provides an embodiment of a technical solution for a crane auxiliary hook mechanism, which, compared with the prior art, includes: a secondary boom body 1; one end of the secondary boom body 1 is used to be hinged to the end of the main boom; a connecting railing 2, one end of the connecting railing 2 is arranged on the secondary boom body 1, and the other end of the connecting railing 2 is used to be arranged on the main boom 801; an auxiliary lifting mechanism 3; the auxiliary lifting mechanism 3 includes: an auxiliary hook lifting rope 301, an auxiliary hook pulley 302, and an auxiliary hook 303; the auxiliary hook lifting rope 301 is connected to the auxiliary hook 303 through the auxiliary hook pulley 302 arranged at the end of the secondary boom body 1. The design of the main and auxiliary hooks in this embodiment enables the crane to perform two or more operations at the same time. For example, the main hook can be used to lift heavy objects, while the auxiliary hook can be used for auxiliary operations or lifting light objects, which can significantly improve work efficiency. The auxiliary hook can perform lifting and rotating operations, which increases the function and flexibility of the crane, allowing the crane to It can adapt to more working scenarios and needs, and the use of the auxiliary hook can increase the lifting height and range on the basis of the main hook. It is especially suitable for working scenarios where objects need to be lifted from low places and hung at high places. In some cases, the auxiliary hook can be used as a safety auxiliary hook at the same time as the main hook, which increases the safety of the operation. The main and auxiliary hooks can be adjusted according to the needs of different loads, so that the crane can adapt to lifting tasks of different weights and sizes. A reasonable main and auxiliary hook ratio can optimize load distribution and maximize the performance of the crane. In work sites that require precise operation, the auxiliary hook can provide more refined control to adapt to precise lifting needs. The use of the auxiliary hook can reduce the conversion time of the crane between different operations. Since some lightweight operations can be completed independently by the auxiliary hook, it also reduces manpower requirements. By improving work efficiency and reducing manpower requirements, cranes with main and auxiliary hooks can bring higher economic benefits to enterprises.

[0033] Specifically, in an embodiment of the present invention, the connecting railing 2 is a telescopic connecting rod, and the length of the connecting railing 2 is adjustable.

[0034] Specifically, in the embodiment of the present utility model, the telescopic principle of the connecting railing 2 is adjustment of a threaded screw;

[0035] The connecting railing 2 includes a first rod body and a second rod body, and the first rod body and the second rod body are connected by a threaded screw structure;

[0036] One end of the first rod body away from the second rod body is arranged on the auxiliary boom body 1;

[0037] One end of the second rod body away from the first rod body is used to be arranged on the main boom 801 .

[0038] Specifically, in an embodiment of the present utility model, the telescopic principle of the connecting railing 2 is hydraulic cylinder adjustment; the connecting railing 2 includes: a cylinder body; the cylinder body is arranged on the auxiliary boom body 1, and the telescopic rod of the cylinder body is used to be arranged on the main boom 801.

[0039] It should be noted that in the embodiment of the present invention, the front section of the main boom system is provided with a secondary boom connection interface and a pull rod interface structure. The secondary boom is connected to the main boom through a pin shaft, and the position limits the angle of the main boom and the secondary boom. The position of the main and secondary booms is fixed by the pull rod. Different pull rods can set different angles of the main and secondary booms to meet the main and secondary distances of different amplitudes and adapt to the distance requirements of different work manufacturers. The pull rod can be made into a threaded adjustable one. Of course, the embodiment of the present invention can also use a hydraulic cylinder to adjust the angle.

[0040] Specifically, in an embodiment of the present utility model, it also includes:

[0041] An articulated interface structure 401, the articulated interface structure 401 is used to be arranged at the end of the main boom;

[0042] One end of the auxiliary boom body 1 is hinged to the end of the main boom through the hinge interface structure 401 .

[0043] Specifically, in an embodiment of the present invention, it further includes: a pull rod interface structure 402; the pull rod interface structure 402 is used to be set on the main boom; the connecting railing 2 is set on the main boom through the pull rod interface structure 402.

[0044] In addition, the present invention also provides a portal crane, comprising: the crane auxiliary hook mechanism as described above; a cylindrical portal frame 5; a turntable assembly 6 provided on the cylindrical portal frame 5;

[0045] A machine room 13 is arranged on the turntable assembly 6; a column and a balancing system 7 are arranged on the machine room 13; a main boom system 8 is arranged on the machine room 13; a variable amplitude mechanism 9 is arranged on the column and the balancing system 7 and is used to adjust the main boom 801 of the main boom system 8; a main lifting mechanism 10 is arranged on the machine room 13 and the main boom system 8; a slewing mechanism 12 is arranged on the cylindrical gantry 5 and the turntable assembly 6, and the slewing mechanism 12 is used to control the rotation of the machine room 13.

[0046] Specifically, in an embodiment of the present utility model, it further includes: an operating mechanism 11 disposed below the cylindrical gantry 5 and used for moving the cylindrical gantry 5 .

[0047] Specifically, in an embodiment of the present utility model, the main lifting mechanism 10 includes:

[0048] Main hook hoisting rope 1001, main hook pulley 1002, main hook 1003, main hoisting reel 1004;

[0049] The main hook pulley 1002 is provided at the end of the main boom 801;

[0050] The main lifting reel 1004 is arranged on the machine room 13; the main hook lifting rope 1001 is connected from the main lifting reel 1004 through the main hook pulley 1002 to control the main hook 1003.

[0051] Specifically, in the embodiment of the present utility model, the auxiliary lifting mechanism 3 further includes:

[0052] The auxiliary lifting reel 304 is used to hoist the auxiliary hook lifting rope 301 ; the auxiliary lifting reel 304 is arranged on the machine room 13 .

[0053] In an embodiment of the present utility model, the auxiliary hook 303 can be lifted and rotated, which increases the functionality and flexibility of the crane and enables the crane to adapt to more working scenarios and needs. The use of the auxiliary hook 303 can increase the lifting height and range on the basis of the main hook, which is particularly suitable for working scenarios where objects need to be lifted from a low place and hung at a high place.

[0054] In summary, the present invention provides a technical solution for a crane auxiliary hook mechanism, comprising: an auxiliary boom body 1; one end of the auxiliary boom body 1 being hinged to the end of the main boom; a connecting rail 2, one end of the connecting rail 2 being disposed on the auxiliary boom body 1 and the other end of the connecting rail 2 being disposed on the main boom; and an auxiliary hoisting mechanism 3. The auxiliary hoisting mechanism 3 comprises: an auxiliary hook hoisting rope 301, an auxiliary hook pulley 302, and an auxiliary hook 303; the auxiliary hook hoisting rope 301 being connected to the auxiliary hook 303 via the auxiliary hook pulley 302 disposed at the end of the auxiliary boom body 1. Compared to the prior art, the crane auxiliary hook mechanism of the present invention is designed such that the auxiliary hook enables the crane to perform two or more operations simultaneously. For example, the main hook can be used to lift heavy objects, while the auxiliary hook can be used for auxiliary operations or to lift light objects. This significantly improves work efficiency.

[0055] To elaborate more specifically, the gantry crane with main and auxiliary hook combined boom involved in the embodiment of the utility model mainly includes the following technical features: a cylindrical gantry, a turntable assembly, a column and a balancing system, a main boom system, a auxiliary boom system, a connecting rod, a slewing mechanism, a running mechanism, a luffing mechanism, a main lifting mechanism, an auxiliary lifting mechanism and related ladder platforms, anchoring devices and other components, wherein the front section of the main boom system is provided with a auxiliary boom connection interface and a pull rod interface structure, the auxiliary boom is connected to the main boom through a pin shaft, the position limits the angle of the main boom and the auxiliary boom, and the position of the main and auxiliary booms is fixed by pull rods, different pull rods can set different angles of the main and auxiliary booms to meet different amplitudes of main and auxiliary distances and adapt to the distance requirements of different work manufacturers, the pull rods can be made into threaded adjustable, of course, a hydraulic cylinder can also be used to adjust the angle in the embodiment of the utility model.

[0056] Based on the above improvements, the utility model has the following advantages:

[0057] Improve work efficiency: The design of the main and auxiliary hooks enables the crane to perform two or more operations at the same time. For example, the main hook can be used to lift heavy objects, while the auxiliary hook can be used for auxiliary operations or lifting light objects, which can significantly improve work efficiency.

[0058] Enhanced operational flexibility: The auxiliary hook can be raised, lowered, and rotated, increasing the functionality and flexibility of the crane and enabling it to adapt to more operational scenarios and requirements.

[0059] Extended lifting height and range: The use of the auxiliary hook can increase the lifting height and range on the basis of the main hook, which is particularly suitable for work scenarios where objects need to be lifted from a low place and hung at a high place.

[0060] Improved safety: In some cases, the auxiliary hook can be used as a safety auxiliary hook together with the main hook, which increases the safety of the operation.

[0061] Adapt to different load requirements: The main and auxiliary hooks can be adjusted according to different load requirements, allowing the crane to adapt to lifting tasks of different weights and sizes.

[0062] Optimize load distribution: A reasonable ratio of main hook to auxiliary hook can optimize load distribution and maximize the performance of the crane.

[0063] Improve lifting accuracy: In work sites that require precise operation, the auxiliary hook can provide more delicate control to meet precise lifting needs.

[0064] Save time and manpower: The use of an auxiliary hook can reduce the conversion time of the crane between different operations, and also reduce the demand for manpower, because some lightweight operations can be completed independently by the auxiliary hook.

[0065] Enhance the versatility of the crane: The design of the main and auxiliary hooks makes the crane not just a single lifting equipment, but a multifunctional machine that can complete multiple tasks.

[0066] Improve economic benefits: By improving work efficiency and reducing manpower requirements, cranes with main and auxiliary hooks can bring higher economic benefits to enterprises.

[0067] In summary, the crane with main and auxiliary hooks involved in the embodiment of the present invention can provide higher work efficiency, better adaptability and greater safety due to its design advantages, and is an indispensable equipment in many engineering and industrial applications.

[0068] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A crane auxiliary hook mechanism, characterized in that: include: Auxiliary boom frame body (1); One end of the auxiliary boom body (1) is used for being hinged to the end of the main boom (801); A connecting railing (2), one end of the connecting railing (2) being arranged on the auxiliary boom body (1), and the other end of the connecting railing (2) being used for being arranged on the main boom (801); Auxiliary lifting mechanism (3); The auxiliary lifting mechanism (3) comprises: an auxiliary hook lifting rope (301), an auxiliary hook pulley (302), and an auxiliary hook (303); The auxiliary hook hoisting rope (301) is connected to the auxiliary hook (303) via an auxiliary hook pulley (302) provided at the end of the auxiliary boom body (1).

2. The crane auxiliary hook mechanism according to claim 1, characterized in that: The connecting railing (2) is specifically a telescopic connecting rod with adjustable length.

3. The crane auxiliary hook mechanism according to claim 2, characterized in that: The connecting railing (2) comprises: a first rod body and a second rod body, wherein the first rod body and the second rod body are connected via a threaded screw structure; One end of the first rod body away from the second rod body is arranged on the auxiliary arm frame body (1); An end of the second rod body away from the first rod body is used for being arranged on the main boom (801).

4. The crane auxiliary hook mechanism according to claim 2, characterized in that: The connecting railing (2) comprises: a cylinder body; the cylinder body is arranged on the auxiliary boom body (1); and the telescopic rod of the cylinder body is used to be arranged on the main boom (801).

5. The crane auxiliary hook mechanism according to any one of claims 1 to 4, characterized in that: Also includes: An articulated interface structure (401), the articulated interface structure (401) being used to be arranged at an end of the main boom (801); One end of the auxiliary boom body (1) is hinged to the end of the main boom (801) via the hinge interface structure (401).

6. The auxiliary hook mechanism of the crane according to claim 1, characterized in that: Also includes: A pull rod interface structure (402); the pull rod interface structure (402) is used to be arranged on the main boom (801); the connecting railing (2) is arranged on the main boom (801) through the pull rod interface structure (402).

7. A portal crane, characterized in that: include: The crane auxiliary hook mechanism according to any one of claims 1 to 6; Cylindrical gantry (5); A turntable assembly (6) arranged on the cylindrical gantry (5); a machine room (13) disposed on the turntable assembly (6); A column and a balancing system (7) provided on the machine room (13); A main boom system (8) is provided on the machine room (13); A variable amplitude mechanism (9) provided on the column and balancing system (7) for adjusting the main boom (801) in the main boom system (8); A main lifting mechanism (10) provided in the machine room (13) and on the main boom system (8); A slewing mechanism (12) is provided on the cylindrical gantry (5) and the turntable assembly (6), and the slewing mechanism (12) is used to control the slewing of the machine room (13).

8. The portal crane according to claim 7, characterized in that: Also includes: An operating mechanism (11) is provided below the cylindrical gantry (5) and is used to move the cylindrical gantry (5).

9. The portal crane according to claim 7, characterized in that: The main lifting mechanism (10) comprises: Main hook hoisting rope (1001), main hook pulley (1002), main hook (1003), main hoisting reel (1004); The main hook pulley (1002) is arranged at the end of the main boom (801); The main lifting reel (1004) is arranged on the machine room (13); the main hook lifting rope (1001) is connected to control the main hook (1003) from the main lifting reel (1004) through the main hook pulley (1002).

10. The portal crane according to claim 7, characterized in that: The auxiliary lifting mechanism (3) further comprises: A secondary lifting reel (304), the secondary lifting reel (304) is used to hoist the secondary hook lifting rope (301); The auxiliary lifting wheel (304) is arranged on the machine room (13).

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