Anti-shaking structure for object lifting operation of travelling crane

Abstract

The utility model discloses a crane object lifting operation anti-shaking structure which comprises a cross beam, a crane body arranged at the upper end of the cross beam, a lifting rope body connected to the bottom end of the crane body, an electric telescopic rod fixedly connected to one side of the bottom end of the crane body, and a pulley type anti-shaking mechanism connected to the output end of the electric telescopic rod. The lifting rope has the following advantages that the lifting hook hooks goods, the electric telescopic rod can be controlled to stretch out and draw back according to the lifting height, then the height of the pulley type anti-shaking mechanism can be adjusted, the triangular lifting rope body can be supported, the lifting rope body can be conveniently lifted, and the lifting rope is convenient to use. Therefore, the stability of the lifting rope main body structure is enhanced, and the problem that the lifting rope main body swings in the moving direction when the traveling crane main body moves can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an anti-shaking structure for crane hoisting operations. Background Art

[0002] The crane is a part of the crane. There are two basic types of crane driving methods: one is centralized driving, that is, a motor drives a long transmission shaft to drive the active wheels on both sides; the other is separate driving, that is, the active wheels on both sides are driven by a motor. Chinese patent CN207957565U discloses a crane for preventing the rope from shaking, including a first gantry column, a second gantry column and a gantry crossbeam, the gantry crossbeam has a rope, the first gantry column and the second gantry column are each provided with a limit frame, a limit ring is provided between the two limit frames, and the rope is arranged through the limit ring. Compared with the prior art, the crane for preventing the rope from shaking can effectively suppress the problem of excessive swing amplitude of the rope due to inertia when the crane moves forward and backward or the rope moves left and right, avoid being damaged by the lifted workpiece, and ensure the safety of personnel in the workshop.

[0003] The above prior art has the following deficiencies: in the prior art, since the height of the limit ring is fixed, the height of the lifting rope when lifting the goods will also be limited, and when the lifting rope swings, the spring is deformed by force and is prone to continuous swinging, thereby affecting the position limitation of the lifting rope. Therefore, an anti-sway structure for crane lifting operation is provided to solve the above problems. Utility Model Content

[0004] In order to solve the problems in the above background technology, the technical solution adopted by the utility model to solve the technical problems is: an anti-sway structure for crane lifting operation, which includes: a cross beam, a crane main body is arranged on the upper end of the cross beam, a lifting rope main body is connected to the bottom end of the crane main body, an electric telescopic rod is fixedly connected to one side of the bottom end of the crane main body, and a pulley-type anti-sway mechanism is connected to the output end of the electric telescopic rod, and the pulley-type anti-sway mechanism is used to support and limit the lifting rope main body in the forward direction of the crane main body. The pulley-type anti-sway mechanism includes a first fixed plate, a connecting rod, a second fixed plate, a first pulley, and a second pulley. The connecting rod is fixed to the bottom end of the first fixed plate, and the bottom end of the connecting rod is fixedly connected to the second fixed plate. The first pulley is connected to the end of the second fixed plate by an axis, and the second pulley is connected to both ends of the first fixed plate by an axis.

[0005] As a preferred technical solution of the utility model, both ends of the first fixing plate and the second fixing plate are hollowed out structures, a plurality of connecting rods are provided, and two of the first pulley and the second pulley are provided.

[0006] As a preferred technical solution of the utility model, the number of the electric telescopic rods is two, and the output ends of the two electric telescopic rods are fixedly connected to the top of the first fixed plate.

[0007] As a preferred technical solution of the utility model, the bottom end of the suspension rope body is connected to a movable pulley suspension seat, and a suspension hook is arranged at the bottom of the movable pulley suspension seat.

[0008] As a preferred technical solution of the utility model, a winding mechanism is installed on one side of the upper end of the traveling body, and the winding end of the winding mechanism is connected to one end of the suspension rope body, and the suspension rope body rolls and contacts the first pulley and the second pulley.

[0009] The utility model has the following advantages: the hook hooks the goods and can control the extension and retraction of the electric telescopic rod according to the lifting height, thereby adjusting the height of the pulley type anti-sway mechanism, and can support the triangular lifting rope body, thereby enhancing the stability of the lifting rope body structure, and can effectively reduce the problem of the lifting rope body swinging along the moving direction when the driving body moves. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0011] Figure 2 It is a schematic diagram of the partial split structure of the preferred embodiment of the utility model;

[0012] Figure 3 It is a schematic diagram of a pulley type anti-sway mechanism according to a preferred embodiment of the utility model.

[0013] Explanation of the accompanying drawings: 1. crossbeam; 2. traveling body; 3. lifting rope body; 4. electric telescopic rod; 5. first fixed plate; 6. connecting rod; 7. second fixed plate; 8. first pulley; 9. second pulley; 10. movable pulley hanger; 11. hook; 12. winding mechanism. DETAILED DESCRIPTION

[0014] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0015] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-Figure 3 The utility model discloses an anti-sway structure for a crane hoisting operation, comprising: a cross beam 1, a crane body 2 is arranged on the upper end of the cross beam 1, a hoisting rope body 3 is connected to the bottom end of the crane body 2, an electric telescopic rod 4 is fixedly connected to one side of the bottom end of the crane body 2, and a pulley type anti-sway mechanism is connected to the output end of the electric telescopic rod 4, and the pulley type anti-sway mechanism is used to support and limit the hoisting rope body 3 in the forward direction of the crane body 2.

[0018] Combination Figure 2 and Figure 3 As shown, the pulley type anti-sway mechanism includes a first fixed plate 5, a connecting rod 6, a second fixed plate 7, a first pulley 8, and a second pulley 9. The connecting rod 6 is fixed to the bottom end of the first fixed plate 5, and the bottom end of the connecting rod 6 is fixedly connected to the second fixed plate 7. The first pulley 8 is connected to the end of the second fixed plate 7 through an axis, and the second pulley 9 is connected to both ends of the first fixed plate 5 through an axis. Both ends of the first fixed plate 5 and the second fixed plate 7 are hollowed out structures. The hollowed out structure is not only convenient for installing the first pulley 8 and the second pulley 9, but also convenient for limiting the lifting rope body 3. There are several connecting rods 6, and there are two first pulleys 8 and two second pulleys 9.

[0019] Among them, there are two electric telescopic rods 4, and the output ends of the two electric telescopic rods 4 are fixedly connected to the top of the first fixed plate 5, so as to facilitate the adjustment of the height of the first fixed plate 5. The bottom end of the lifting rope body 3 is connected to the movable pulley hanging seat 10, and the bottom of the movable pulley hanging seat 10 is provided with a hook 11. A winding mechanism 12 is installed on one side of the upper end of the traveling body 2, and the winding end of the winding mechanism 12 is connected to one end of the lifting rope body 3, and the lifting rope body 3 rolls and contacts the first pulley 8 and the second pulley 9.

[0020] Specifically, when the utility model is used, the lifting rope body 3 can be rolled up by the winding mechanism 12, and then the height of the hook 11 can be controlled by the lifting rope body 3. After the hook 11 hooks the cargo, the electric telescopic rod 4 can be controlled to extend and retract according to the lifting height, and then the height of the pulley type anti-sway mechanism can be adjusted. The triangular lifting rope body 3 can be supported by the first fixed plate 5, connecting rod 6, second fixed plate 7, first pulley 8, and second pulley 9 in the pulley type anti-sway mechanism, and the distance between the hook 11 and the pulley type anti-sway mechanism can be adjusted by adjusting the height of the pulley type anti-sway mechanism, thereby effectively alleviating the problem of the lifting rope body 3 swinging along the moving direction when the driving body 2 moves.

[0021] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0022] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A structure for preventing sway during crane hoisting operation, comprising: The crossbeam (1) is characterized in that a traveling body (2) is arranged at the upper end of the crossbeam (1), a suspension rope body (3) is connected to the bottom end of the traveling body (2), an electric telescopic rod (4) is fixedly connected to one side of the bottom end of the traveling body (2), an output end of the electric telescopic rod (4) is connected to a pulley type anti-sway mechanism, the pulley type anti-sway mechanism is used to support and limit the suspension rope body (3) in the forward direction of the traveling body (2), the pulley type anti-sway mechanism comprises a first fixed plate (5), a connecting rod (6), a second fixed plate (7), a first pulley (8), and a second pulley (9), the connecting rod (6) is fixed to the bottom end of the first fixed plate (5), the bottom end of the connecting rod (6) is fixedly connected to the second fixed plate (7), the first pulley (8) is connected to the end of the second fixed plate (7) by an axis, and the second pulley (9) is connected to both ends of the first fixed plate (5) by an axis.

2. The anti-sway structure for crane hoisting operation as claimed in claim 1, characterized in that: Both ends of the first fixing plate (5) and the second fixing plate (7) are hollowed-out structures, a plurality of connecting rods (6) are provided, and two of the first pulley (8) and the second pulley (9) are provided.

3. The anti-sway structure for crane hoisting operation as claimed in claim 1, characterized in that: The number of the electric telescopic rods (4) is two, and the output ends of the two electric telescopic rods (4) are fixedly connected to the top end of the first fixing plate (5).

4. The anti-sway structure for crane hoisting operation as claimed in claim 1, characterized in that: The bottom end of the suspension rope body (3) is connected to a movable pulley suspension seat (10), and a suspension hook (11) is arranged at the bottom of the movable pulley suspension seat (10).

5. The anti-sway structure for crane hoisting operation as claimed in claim 1, characterized in that: A winding mechanism (12) is installed on one side of the upper end of the traveling body (2), and the winding end of the winding mechanism (12) is connected to one end of the suspension rope body (3), and the suspension rope body (3) is in rolling contact with the first pulley (8) and the second pulley (9).

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