Hook mechanism of special equipment crane

Abstract

The utility model provides a special equipment crane hook mechanism which comprises a lifting rod, a lifting hook is fixedly connected to the bottom of the lifting rod, a first connecting block is fixedly connected to the top of the lifting rod, a second connecting block is fixedly connected to the top of the first connecting block, and a connecting seat is fixedly connected to the top of the second connecting block. A rotating mechanism is arranged in an inner cavity of the connecting base, a connecting mechanism is arranged at the top of the rotating mechanism, a limiting mechanism is arranged on one side of the hanging rod, the rotating mechanism comprises a rotating column, the rotating column is located in the inner cavity of the connecting base, and a rotating disc is fixedly connected to the outer side of the rotating column; the top of the rotating disc is in rolling connection with the outer sides of the balls. According to the special equipment crane hook mechanism provided by the utility model, the problem that the bearing is easy to damage due to overlarge stress at the bearing in the hoisting process of the existing device is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane hook technical field especially relates to a kind of special equipment crane hook mechanism. BACKGROUND

[0002] Crane refers to the vertical lifting and horizontal handling heavy within a certain range Multi-action hoisting machinery, crane can be equipped with hook to special equipment handling hoisting, special equipment refers to the life safety, dangerousness greater boiler, pressure vessel, pressure pipeline, elevator, hoisting machinery, passenger cableway, large-scale amusement facilities and in-field special motor vehicle.

[0003] The patent document with announcement number CN218665001U discloses "a kind of special equipment crane hook", it is related to by setting up protective shell, fixed column, motor, rotating shaft, bearing, hook body, movable block and active slot, can make the hook have the effect of steering conveniently, the orientation angle of hook body can be quickly adjusted by the way of starting motor, so that people can more conveniently adjust it in the process of using hook body, avoid the inconvenience caused by external force to move, meet the use demand of people.

[0004] Although the device achieves the purpose of hook steering through protective shell, fixed column, motor, rotating shaft, bearing and other structures, but in hoisting process, bearing is subjected to excessive stress, which can easily cause damage to bearing, therefore, it is necessary to provide a kind of special equipment crane hook mechanism with stable structure to solve the above technical problems. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a kind of special equipment crane hook mechanism with stable structure.

[0006] The special equipment crane hook mechanism provided by the utility model, including derrick, the bottom of the derrick is fixedly connected with lifting hook, the top of the derrick is fixedly connected with first connecting block, the top of the first connecting block is fixedly connected with second connecting block, the top of the second connecting block is fixedly connected with connecting seat, the inner cavity of the connecting seat is provided with rotating mechanism, the top of the rotating mechanism is provided with connecting mechanism, one side of the derrick is provided with limiting mechanism.

[0007] As the utility model provides a kind of special equipment crane hook mechanism, preferably, the rotating mechanism includes rotating column, the rotating column is located in the inner cavity of connecting seat, the outer side of the rotating column is fixedly connected with rotating disc, the top of the inner cavity of connecting seat is provided with ball, the top of the rotating disc is rollingly connected with the outer side of ball.

[0008] The utility model provides a kind of special equipment crane hook mechanism, preferably, the connecting mechanism includes mounting plate, the mounting plate is fixed to the top of rotating column, the inner chamber of mounting plate is equipped with mounting hole, the top and bottom of mounting plate are fixedly connected with limiting sleeve.

[0009] The utility model provides a kind of special equipment crane hook mechanism, preferably, the rotating column is provided with sealing ring outside.

[0010] The utility model provides a kind of special equipment crane hook mechanism, preferably, the limiting mechanism includes limiting rod, one end of limiting rod is rotatably connected with one side of suspender by rotating seat, spring is welded at the bottom of limiting rod, one end of spring is welded with one side of suspender, the top of lifting hook is fixedly connected with limiting block, limiting slot is formed in one side of limiting block.

[0011] The utility model provides a kind of special equipment crane hook mechanism, preferably, the connecting seat is connected with sealing block on one side, and sealing plate is fixedly connected at one end of sealing block.

[0012] The utility model provides a kind of special equipment crane hook mechanism, preferably, the bottom of first connecting block is fixedly connected with reinforcing block, and one side of reinforcing block is fixedly connected with one side of suspender.

[0013] Compared with prior art, the utility model has the advantages that:

[0014] When the hoisting object is hung on the lifting hook, the limiting rod can rotate around the rotating seat, and after the hoisting object is stuck on the lifting hook, the spring can reset the limiting rod, thereby improving the stability during hoisting and reducing the probability of unhooking the hoisting object. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure diagram of a preferred embodiment of the special equipment crane hook mechanism provided by the utility model is shown.

[0016] Figure 2 The partial structure sectional view of the utility model is shown.

[0017] Figure 3 The structure sectional view of the limiting block of the utility model is shown.

[0018] The figure mark: 1, derrick; 2, hook; 3, first connecting block; 4, second connecting block; 5, connecting seat; 6, rotating mechanism; 601, rotating column; 602, rotating disc; 603, ball; 7, connecting mechanism; 701, mounting plate; 702, mounting hole; 703, limiting sleeve; 8, limiting mechanism; 801, limiting rod; 802, rotating seat; 803, spring; 804, limiting block; 805, limiting groove; 9, sealing ring; 10, sealing plate; 11, sealing block; 12, reinforcing block. DETAILED DESCRIPTION

[0019] The utility model will be further explained below in connection with the drawings and embodiments.

[0020] Please combine with Figure 1 、 Figure 2 and Figure 3 , wherein Figure 1 It is the structure diagram of a preferred embodiment of the special equipment crane hook mechanism provided by the utility model; Figure 2 It is the partial structure section view of the utility model; Figure 3 It is the structure section view of the limiting block of the utility model.A kind of special equipment crane hook mechanism, including derrick 1, the bottom of derrick 1 is fixedly connected with hook 2, the top of derrick 1 is fixedly connected with first connecting block 3, the top of first connecting block 3 is fixedly connected with second connecting block 4, the top of second connecting block 4 is fixedly connected with connecting seat 5, the inner cavity of connecting seat 5 is provided with rotating mechanism 6, the top of rotating mechanism 6 is provided with connecting mechanism 7, one side of derrick 1 is provided with limiting mechanism 8.

[0021] As a kind of technical optimization scheme of the utility model, rotating mechanism 6 includes rotating column 601, rotating column 601 is located in the inner cavity of connecting seat 5, the outer side of rotating column 601 is fixedly connected with rotating disc 602, the top of the inner cavity of connecting seat 5 is provided with ball 603, the top of rotating disc 602 is rollingly connected with the outer side of ball 603.

[0022] In the embodiment: the top of rotating disc 602 is provided with recess for cooperating with ball 603, rotating mechanism 6 is formed by rotating column 601, rotating disc 602 and ball 603, can make hook 2 have steering function, and improve the stability of rotating place, rotating column 601 and rotating disc 602 and ball 603 can be stressed, avoid damage of single structure by excessive stress.

[0023] As a kind of technical optimization scheme of the utility model, connecting mechanism 7 includes mounting plate 701, mounting plate 701 is fixed on the top of rotating column 601, the inner cavity of mounting plate 701 is provided with mounting hole 702, the top and bottom of mounting plate 701 are fixedly connected with limiting sleeve 703.

[0024] In the embodiment, the mounting plate 701 and the mounting hole 702 are arranged, so that the user can connect the device with an external structure, and the limiting sleeve 703 is arranged, so that the connection stability is improved.

[0025] As a technical optimization scheme of the utility model, the outer side of the rotating column 601 is provided with a sealing sleeve 9.

[0026] In the embodiment, the sealing sleeve 9 is arranged on the outer side of the rotating column 601, so that the sealing property of the connecting portion between the outer side of the rotating column 601 and the connecting seat 5 is improved, and the probability of foreign matter entering the connecting seat 5 is reduced.

[0027] As a technical optimization scheme of the utility model, the limiting mechanism 8 comprises a limiting rod 801, one end of the limiting rod 801 is rotationally connected with one side of the suspender 1 through a rotating seat 802, the bottom of the limiting rod 801 is welded with a spring 803, one end of the spring 803 is welded with one side of the suspender 1, the top of the hook 2 is fixedly connected with a limiting block 804, and one side of the limiting block 804 is provided with a limiting groove 805.

[0028] In the embodiment, when the hoisted object is hung on the hook 2, the limiting rod 801 can rotate around the rotating seat 802, and after the hoisted object is clamped on the hook 2, the spring 803 can reset the limiting rod 801, so that the stability during hoisting is improved, and the probability of the hoisted object being unhooked is reduced.

[0029] As a technical optimization scheme of the utility model, the connecting seat 5 is screw-connected with a sealing block 11 on one side, and one end of the sealing block 11 is fixedly connected with a sealing plate 10.

[0030] In the embodiment, the connecting seat 5 is provided with a through hole on one side, the sealing block 11 is screw-connected with the through hole, the user can twist the sealing block 11 out of the through hole, and then lubricating oil is extruded into the connecting seat 5 through the through hole, so that the rotating column 601 and other structures are lubricated.

[0031] As a technical optimization scheme of the utility model, the bottom of the first connecting block 3 is fixedly connected with a reinforcing block 12, and one side of the reinforcing block 12 is fixedly connected with one side of the suspender 1.

[0032] In the embodiment, the reinforcing block 12 is arranged, so that the connection stability between the first connecting block 3 and the suspender 1 is improved.

[0033] The working principle of the hook mechanism of the special equipment crane is as follows:

[0034] When the hoisting object is hung at the hook 2, the limiting rod 801 can rotate around the rotating seat 802, and after the hoisting object is clamped at the hook 2, the spring 803 can reset the limiting rod 801, thereby improving the stability during hoisting and reducing the probability of the hoisting object unhooking, the rotating mechanism 6 composed of the rotating column 601, the rotating disc 602 and the ball 603 can make the hook 2 have a turning function and improve the stability of the turning place, the rotating column 601, the rotating disc 602 and the ball 603 can all be stressed, avoiding damage of a single structure due to excessive stress, one side of the connecting seat 5 is provided with a through hole, the sealing block 11 is threadedly connected with the through hole, the user can twist the sealing block 11 out of the through hole, then extrude lubricating oil into the connecting seat 5 through the through hole, and lubricate the rotating column 601 and other structures.

[0035] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is based on the content of the present application and the drawings, is also included in the patent protection range of the present application.

Claims

1. A special equipment hoist hook mechanism, characterized by, The utility model relates to a lifting device, including derrick (1), the bottom fixed connection of derrick (1) has lifting hook (2), the top fixed connection of derrick (1) has first connecting block (3), the top fixed connection of first connecting block (3) has second connecting block (4), the top fixed connection of second connecting block (4) has connecting seat (5), the inner chamber of connecting seat (5) is provided with rotating mechanism (6), the top of rotating mechanism (6) is provided with connecting mechanism (7), one side of derrick (1) is provided with limiting mechanism (8), The rotating mechanism (6) includes a rotating column (601), the rotating column (601) is located in the inner chamber of the connecting seat (5), the outer side of the rotating column (601) is fixedly connected with a rotating disc (602), the top of the inner chamber of the connecting seat (5) is provided with a ball (603), the top of the rotating disc (602) is in rolling connection with the outer side of the ball (603).

2. The special equipment hoist hitch mechanism of claim 1, wherein, The connecting mechanism (7) includes a mounting plate (701), the mounting plate (701) is fixed to the top of the rotating column (601), the inner chamber of the mounting plate (701) is provided with a mounting hole (702), the top and the bottom of the mounting plate (701) are fixedly connected with a limiting sleeve (703).

3. The special equipment hoist hook mechanism according to claim 1, characterized in that, The outer side of the rotating column (601) is provided with a sealing sleeve (9).

4. The special equipment hoist hitch mechanism of claim 1, wherein, The limiting mechanism (8) includes a limiting rod (801), one end of the limiting rod (801) is rotatably connected with one side of the derrick (1) through a rotating seat (802), the bottom of the limiting rod (801) is welded with a spring (803), one end of the spring (803) is welded with one side of the derrick (1), the top of the lifting hook (2) is fixedly connected with a limiting block (804), one side of the limiting block (804) is provided with a limiting groove (805).

5. The special equipment hoist hitch mechanism of claim 1, wherein, One side of the connecting seat (5) is threadedly connected with a sealing block (11), one end of the sealing block (11) is fixedly connected with a sealing plate (10).

6. The special equipment hoist hitch mechanism of claim 1, wherein, The bottom of the first connecting block (3) is fixedly connected with a reinforcing block (12), one side of the reinforcing block (12) is fixedly connected with one side of the derrick (1).

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