Anti-winding mechanism for lifting chain of grab bucket of ship unloader

Abstract

The utility model discloses a ship unloader grab bucket lifting chain anti-winding mechanism which comprises a connecting frame, the opposite sides of the interior of the connecting frame are jointly and rotationally connected with a winding disc, a chain body is wound on the winding disc, one side of the connecting frame is fixedly connected with a first servo motor, and the other side of the connecting frame is fixedly connected with a second servo motor. An output shaft of the first servo motor is fixedly connected with one side of a winding disc, and two first fixing rods are fixedly connected with one side of the connecting frame. By arranging the second servo motor, the threaded rod, the moving column, the moving frame, the first pulley and the like, the second servo motor drives the threaded rod to rotate, the threaded rod drives the moving column to move, the moving column drives the moving frame to move, the moving frame drives the first pulley to move, and the first pulley drives the chain body to move; and the chain main body is tidily wound on the winding disc or is released in sequence, so that the situation that when the chain main body is wound or clamped, the grab bucket cannot be smoothly lifted, the whole ship unloading process is delayed, and the production efficiency is reduced is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting chain technical field especially relates to unloading ship machine grab hoisting chain anti -winding mechanism. BACKGROUND

[0002] Unloading ship machine grab hoisting chain anti -winding mechanism, as the key component of connecting main wire rope and grab, plays the vital role in unloading ship operation.

[0003] However, in actual production process, this chain often appears the problem of winding and getting stuck, when chain is wound or gets stuck, not only will lead to grab to lift smoothly, and further delay the whole unloading ship process, reduce production efficiency, also can cause unnecessary abrasion and damage to equipment, seriously influence the normal operation of grab, and the unloading ship machine grab hoisting chain anti -winding mechanism is presented for this. UTILITY MODEL CONTENTS

[0004] The utility model discloses a unloading ship machine grab hoisting chain anti -winding mechanism to solve the shortcoming in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: unloading ship machine grab hoisting chain anti -winding mechanism, including the connection frame, the opposite side of the inside of connection frame is rotatably connected with the winding disc, the winding disc is wound with chain main body, one side of the connection frame is fixedly connected with first servo motor, the output shaft of first servo motor is fixedly connected with one side of winding disc, one side of the connection frame is fixedly connected with two first fixed link, the end of two first fixed link is fixedly connected with the cross column, the bottom of cross column is provided with the convex groove, the convex groove is equipped with the moving structure.

[0006] As a further description of the above technical scheme:

[0007] The moving structure includes a threaded rod rotatably connected in the convex groove, one side of the cross column is fixedly connected with a second servo motor, and an output shaft of the second servo motor is fixedly connected with one end of the threaded rod.

[0008] As a further description of the above technical scheme:

[0009] The threaded rod is threadedly connected with a moving column, and the moving column is slidably connected in the convex groove.

[0010] As a further description of the above technical scheme:

[0011] The bottom of the moving column is fixedly connected with a moving frame, and the opposite side of the inside of the moving frame is rotatably connected with a first pulley.

[0012] As a further description of the above technical solutions:

[0013] The second fixed rods are fixedly connected to the sides away from the moving frame, and the bottoms of the second fixed rods are fixedly connected with two third fixed rods.

[0014] As a further description of the above technical solutions:

[0015] The opposite sides of the two third fixed rods on the same side are jointly rotatably connected with second pulleys, and the opposite sides of the two second pulleys are in close contact with the chain body.

[0016] As a further description of the above technical solutions:

[0017] The bottom of the connecting frame is fixedly connected with a connecting frame, one side of the connecting frame is fixedly connected with a fixed column, one end of the fixed column is fixedly connected with a fixed frame, the opposite sides of the fixed frame are jointly rotatably connected with two third pulleys, and the opposite sides of the two third pulleys are in close contact with the chain body.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1. Compared with the prior art, the ship unloader grab lifting chain anti-winding mechanism, by setting up second servo motor, thread rod, moving column, moving frame and first pulley etc., the second servo motor drives the thread rod to rotate, the thread rod drives the moving column to move, the moving column drives the moving frame to move, the moving frame drives the first pulley to move, the first pulley drives the chain body to move, and the chain body is neatly wound on the winding disc, or the chain body is sequentially released, so that when the chain body is wound or stuck, the grab cannot be smoothly lifted, the whole unloading process is delayed, and the production efficiency is reduced.

[0020] 2. Compared with the prior art, the ship unloader grab lifting chain anti-winding mechanism, by setting up second fixed rod, third fixed rod and second pulley etc., when the moving frame drives the third fixed rod to move through the second fixed rod, the third fixed rod drives the corresponding second pulley to move, the two second pulleys clamp the chain body to move, so that when the chain body is wound or released, it is always inside the first pulley and drives the first pulley to rotate, reducing the friction between the chain body and the first pulley, and facilitating the reduction of the probability of damage of the chain body due to wear. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 The utility model provides a three -dimensional structure schematic diagram of ship unloader grab lifting chain anti -winding mechanism is provided for the utility model;

[0022] Fig. 2 The utility model provides a plan of ship unloader grab lifting chain anti -winding mechanism is provided for the utility model;

[0023] Fig. 3 The moving structure schematic view of the unloader grab bucket lifting chain anti-winding mechanism provided by the present application is shown in the figure.

[0024] Fig. 4 The moving structure explosion view of the unloader grab bucket lifting chain anti-winding mechanism provided by the present application is shown in the figure.

[0025] Legend:

[0026] 1, connecting frame; 2, winding disc; 3, first servo motor; 4, connecting frame; 5, fixed column; 6, fixed frame; 7, third pulley; 8, first fixed rod; 9, cross column; 10, moving structure; 101, second servo motor; 102, threaded rod; 103, moving column; 104, moving frame; 105, first pulley; 106, second fixed rod; 107, third fixed rod; 108, second pulley. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] With reference to Figs. 1 to 4 The unloader grab bucket lifting chain anti-winding mechanism provided by the present application comprises a connecting frame 1, a winding disc 2 is rotatably connected to the opposite side of the inside of the connecting frame 1, a chain main body is wound on the winding disc 2, a first servo motor 3 is fixedly connected to one side of the connecting frame 1, the output shaft of the first servo motor 3 is fixedly connected to one side of the winding disc 2, a connecting frame 4 is fixedly connected to the bottom of the connecting frame 1, a fixed column 5 is fixedly connected to one side of the connecting frame 4, a fixed frame 6 is fixedly connected to one end of the fixed column 5, two third pulleys 7 are rotatably connected to the opposite side of the inside of the fixed frame 6, the opposite side of each of the two third pulleys 7 is in close contact with the chain main body, the two third pulleys 7 position-limit the chain main body, the chain main body drives the grab bucket to ascend and descend conveniently, two first fixed rods 8 are fixedly connected to one side of the connecting frame 1, a cross column 9 is fixedly connected to one end of the two first fixed rods 8, a convex groove is formed in the bottom of the cross column 9, and a moving structure 10 is arranged in the convex groove.

[0029] In order to realize the purpose of moving, the moving structure 10 includes a threaded rod 102 rotatably connected in the convex groove, one side of the cross column 9 is fixedly connected with a second servo motor 101, the output shaft of the second servo motor 101 is fixedly connected with one end of the threaded rod 102, the threaded rod 102 is threadedly connected with a moving column 103, the moving column 103 is slidably connected in the convex groove, the bottom of the moving column 103 is fixedly connected with a moving frame 104, the opposite sides of the moving frame 104 are rotatably connected with a first pulley 105, the first pulley 105 is in contact with the chain body, the second servo motor 101 drives the threaded rod 102 to rotate, the threaded rod 102 drives the moving column 103 to move, the moving column 103 drives the moving frame 104 to move, the moving frame 104 drives the first pulley 105 to move, so that the first pulley 105 drives the chain body to move, and the chain body is neatly wound on the winding disc 2, or the chain body is sequentially released, so that the chain body is not entangled or stuck, the grab bucket can be smoothly lifted, the whole unloading process is not delayed, and the production efficiency is improved.

[0030] In order to realize the purpose of reducing wear, the opposite sides of the moving frame 104 are fixedly connected with a second fixed rod 106, the bottom of each second fixed rod 106 is fixedly connected with two third fixed rods 107, the opposite sides of the two third fixed rods 107 on the same side are rotatably connected with a second pulley 108, the opposite sides of the two second pulleys 108 are in contact with the chain body, when the moving frame 104 drives the third fixed rod 107 to move through the second fixed rod 106, the third fixed rod 107 drives the corresponding second pulley 108 to move, the two second pulleys 108 move while clamping the chain body, so that the chain body is always in the first pulley 105 when winding or releasing, and drives the first pulley 105 to rotate, reduces the friction between the chain body and the first pulley 105, and is beneficial to reduce the damage probability of the chain body due to wear.

[0031] Working principle: the first servo motor 3 drives the winding disc 2 to rotate, the winding disc 2 drives the chain body to wind or release, the second servo motor 101 drives the threaded rod 102 to rotate, the threaded rod 102 drives the moving column 103 to move, the moving column 103 drives the moving frame 104 to move, the moving frame 104 drives the first pulley 105 to move, the first pulley 105 drives the chain body to move, the chain body is wound on the winding disc 2 in order, or the chain body is released in order, when the chain body is wound or released, the chain body is always in the first pulley 105 and drives the first pulley 105 to rotate, the friction between the chain body and the first pulley 105 is reduced, and the probability of damage of the chain body due to abrasion is reduced.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A mechanism for preventing chain entanglement in the lifting chain of a ship unloader grab bucket, comprising a connecting frame (1), characterized in that: Inside the connecting frame (1), a winding reel (2) is rotatably connected to opposite sides. A chain body is wound on the winding reel (2). A first servo motor (3) is fixedly connected to one side of the connecting frame (1). The output shaft of the first servo motor (3) is fixedly connected to one side of the winding reel (2). Two first fixing rods (8) are fixedly connected to one side of the connecting frame (1). A crossbar (9) is fixedly connected to one end of the two first fixing rods (8). A convex groove is provided at the bottom of the crossbar (9). A moving structure (10) is provided in the convex groove.

2. The anti-entanglement mechanism for the lifting chain of the unloading machine grab bucket according to claim 1, characterized in that: The movable structure (10) includes a threaded rod (102) rotatably connected in a convex groove. A second servo motor (101) is fixedly connected to one side of the cross column (9). The output shaft of the second servo motor (101) is fixedly connected to one end of the threaded rod (102).

3. The anti-entanglement mechanism for the lifting chain of the unloading machine grab bucket according to claim 2, characterized in that: The threaded rod (102) is threadedly connected to a movable column (103), which is slidably connected in a convex groove.

4. The anti-entanglement mechanism for the lifting chain of the unloading machine grab bucket according to claim 3, characterized in that: The bottom of the movable column (103) is fixedly connected to a movable frame (104), and the opposite sides inside the movable frame (104) are rotatably connected to a first pulley (105), which is in contact with the chain body.

5. The anti-entanglement mechanism for the lifting chain of the unloading machine grab bucket according to claim 4, characterized in that: Each of the movable frame (104) is fixedly connected to a second fixing rod (106) on the side away from each other, and each of the second fixing rods (106) is fixedly connected to two third fixing rods (107) at the bottom.

6. The anti-entanglement mechanism for the lifting chain of the unloading machine grab bucket according to claim 5, characterized in that: The two third fixed rods (107) located on the same side are rotatably connected to the second pulleys (108) on opposite sides, and the opposite sides of the two second pulleys (108) are in contact with the chain body.

7. The anti-entanglement mechanism for the lifting chain of the unloading machine grab bucket according to claim 1, characterized in that: The bottom of the connecting frame (1) is fixedly connected to a connecting bracket (4), and a fixing post (5) is fixedly connected to one side of the connecting bracket (4). A fixing frame (6) is fixedly connected to one end of the fixing post (5). Two third pulleys (7) are rotatably connected to opposite sides inside the fixing frame (6). The opposite sides of the two third pulleys (7) are in contact with the chain body.

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