Automatic unloading mechanism for lifting hook

Abstract

The utility model relates to the technical field of lifting hooks, in particular to an automatic unloading mechanism for a lifting hook, which comprises a hook frame, a locking seat and a limiting mechanism, a mounting seat connected with a crane is arranged at the top end of the hook frame, a hook is rotationally connected to one end in the hook frame, and the hook is driven by a motor mounted on the outer wall of the hook frame to rotate; the locking seat is connected with the other side wall of the hook frame, and the end, away from the hook frame, of the hook abuts against the locking seat; the limiting mechanism is arranged on the locking base and used for detachably connecting the end, away from the hook frame, of the hook with the locking base. Through the arrangement of the hook locking seat and the limiting mechanism, the rope can be hooked and unloaded conveniently and automatically, and convenience is provided for use.

Description

Technical Field

[0001] The utility model relates to the technical field of hooks, in particular to an automatic unloading mechanism for a hook. Background Technique

[0002] When a crane is working, it is necessary to suspend the rope on a heavy object through the installed hook, so that the crane can lift and move the goods. When unloading with a common hook, it is necessary to manually unload the rope on the heavy object, which restricts the improvement of the working efficiency of the hook. In some hoisting locations, the environment is harsh and it is not suitable for manual operation.

[0003] Chinese Patent with the authorization announcement number CN221295894U discloses a full-automatic hook locking mechanism, including a housing, a safety stop rod, a hook, a damper, a pulley assembly, and a rotating shaft. The beneficial effects of this utility model are: without manual control of the hook and safety card, it can ensure the safe hanging and loading and unloading of goods. The device has a simple structure, is easy to manufacture, saves labor, reduces safety hazards, and has good market promotion prospects.

[0004] However, the above-mentioned disclosed solution has the following deficiencies: Although the hook and the safety stop rod cooperate with each other to realize the locking function of the hook to limit the hanging rope, it is not convenient to automatically hook or unload the hanging rope, which brings inconvenience to use. Content of the Utility Model

[0005] The purpose of the utility model is to propose an automatic unloading mechanism for a hook aiming at the problems existing in the background technique.

[0006] The technical solution of the utility model: An automatic unloading mechanism for a hook includes a hook frame, the top of which is provided with a mounting seat connected to a crane, one end inside the hook frame is rotatably connected with a hook, and the hook is driven to rotate by a motor installed on the outer wall of the hook frame; a locking seat, which is connected to the other side wall of the hook frame, and the end of the hook away from the hook frame abuts against the locking seat; and a limiting mechanism, which is arranged on the locking seat and is used for detachably connecting the end of the hook away from the hook frame with the locking seat.

[0007] Preferably, the hook is set as a C shape, the bottom end of the hook is provided with an arc-shaped hanging part, and the end of the hook is provided with an arc-shaped opening and an insertion hole corresponding to the limiting mechanism.

[0008] Preferably, the limiting mechanism includes a first screw rod, which is rotatably connected to the locking seat and is driven to rotate by a motor arranged on the locking seat; a first sleeve, which is threadedly sleeved outside the first screw rod, and the first sleeve slides and adjusts along the height direction of the locking seat, and the first sleeve corresponds to the arc-shaped opening; and an abutting seat, which is installed at the bottom end of the first sleeve, and two groups of insertion rods are symmetrically arranged on the abutting seat, and the insertion rods are inserted into the insertion holes.

[0009] Preferably, the bottom end of the locking seat is a U-shaped seat, one end of the hook that is far from the hook frame abuts against the U-shaped seat, an installation cavity is arranged at the top end of the locking seat, and the top end of the first screw rod extends into the interior of the installation cavity.

[0010] Preferably, a stabilizing mechanism is further arranged on the hook frame. The stabilizing mechanism includes a second screw rod that is rotatably connected to the hook frame and the locking seat. One end of the second screw rod extends into the installation cavity of the locking seat, and a transmission component is arranged between the top end of the second screw rod and the top end of the first screw rod. The second screw rod is driven to rotate by a driving component installed in the inner cavity of the hook frame; a second sleeve that slides and adjusts along the horizontal direction of the inner cavity of the hook frame, and the second sleeve is threadedly connected to the second screw rod; a sliding rod that is slidably connected to the hook frame, a limiting seat is installed at the bottom end of the sliding rod, wedge-shaped blocks are installed at one end of the sliding rod and the second sleeve that face each other, and the two wedge-shaped blocks are slidably connected; and a first elastic member that is arranged between the wedge-shaped block corresponding to the sliding rod and the bottom of the inner cavity of the hook frame.

[0011] Preferably, an installation plate is installed at the bottom end of the sliding rod, two groups of second elastic members are symmetrically installed at the bottom end of the installation plate, and the limiting seat is installed between the bottom ends of the two groups of second elastic members.

[0012] Compared with the prior art, the above technical solution of the present utility model has the following beneficial technical effects: The present utility model facilitates the automatic hooking and unloading of the rope through the setting of the hook and the locking seat, providing convenience for use. The limiting mechanism facilitates improving the stability when the hook is connected to the locking seat and enhancing the hooking effect; through the setting of the stabilizing mechanism, it is convenient to drive the limiting mechanism and at the same time drive the limiting seat to press the rope hanging on the hook, avoiding the rope and the hook moving during the movement and causing danger, and further enhancing the stability of the rope hooking. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic diagram of the connection mode between the limiting mechanism of the present utility model and the locking seat;

[0015] Figure 3 is a schematic diagram of the connection mode between the stabilizing mechanism of the present utility model and the hook frame;

[0016] Figure 4 is a partial structural schematic diagram of the stabilizing mechanism of the present utility model.

[0017] Reference numerals: 1, hook frame; 2, hook; 201, arc-shaped opening; 3, locking seat; 4, first screw; 5, first sleeve; 501, insertion rod; 502, abutting seat; 6, second screw; 601, transmission assembly; 602, drive assembly; 603, second sleeve; 604, wedge-shaped block; 605, slide bar; 606, first elastic member; 607, mounting plate; 608, second elastic member; 609, limiting seat. Detailed implementation manners

[0018] Embodiment 1

[0019] As Figures 1 to 3 shown, an automatic unloading mechanism for a lifting hook proposed by the present utility model includes a hook frame 1, a locking seat 3, and a limiting mechanism; an installation seat connected to a crane is provided at the top end of the hook frame 1, and a hook 2 is rotatably connected to one end inside the hook frame 1, and the hook 2 is driven to rotate by a motor installed on the outer wall of the hook frame 1; the locking seat 3 is detachably connected to the other side wall of the hook frame 1 by bolts, and one end of the hook 2 away from the hook frame 1 abuts against the locking seat 3; the limiting mechanism is arranged on the locking seat 3 and is used for detachably connecting one end of the hook 2 away from the hook frame 1 to the locking seat 3.

[0020] Furthermore, the hook 2 is C-shaped, an arc-shaped hanging portion is provided at the bottom end of the hook 2 to prevent the rope from falling off, and an arc-shaped opening 201 and an insertion hole corresponding to the limiting mechanism are provided at the end of the hook 2.

[0021] Still further, the limiting mechanism includes a first screw 4, a first sleeve 5, and an abutting seat 502; the first screw 4 is rotatably connected to the locking seat 3 and is driven to rotate by a motor provided on the locking seat 3; the first sleeve 5 is threadedly sleeved outside the first screw 4, and the first sleeve 5 slides and adjusts along the height direction of the locking seat 3, and the first sleeve 5 corresponds to the arc-shaped opening 201; a chute is provided on the locking seat 3, a slider is provided on the first sleeve 5, and the slider is slidably connected to the chute to facilitate keeping the first sleeve 5 always sliding and adjusting along the height direction of the locking seat 3 and avoiding rotation interference with the adjustment of the insertion rod 501; the abutting seat 502 is installed at the bottom end of the first sleeve 5, and two groups of insertion rods 501 are symmetrically arranged on the abutting seat 502, and the insertion rods 501 are inserted into the insertion holes.

[0022] Still further, the bottom end of the locking seat 3 is a U-shaped seat, one end of the hook 2 away from the hook frame 1 abuts against the U-shaped seat, and an installation cavity is provided at the top end of the locking seat 3, and the top end of the first screw 4 extends into the interior of the installation cavity.

[0023] In this embodiment, the hook 2 is driven by a motor to rotate, and then the rope with a heavy object is automatically sleeved on the hanging part until the end of the hook 2 far from the hook frame 1 rotates to a position abutting against the locking seat 3. The first screw rod 4 is driven by the motor to rotate in the reverse direction, so that the first sleeve 5 moves upward along the height direction of the locking seat 3 until the insertion rod 501 is inserted into the insertion hole. At the same time, the abutting seat 502 abuts against the hook 2, and then the hook 2 and the locking seat 3 are limitedly connected to prevent the rope from falling off the hook 2 during transportation. After the rope and the heavy object are transported to a suitable position, the first screw rod 4 is driven by the motor to rotate, so as to drive the first sleeve 5 to move downward along the height direction of the locking seat 3 and the arc-shaped opening 201, so that the insertion rod 501 is separated from the insertion hole on the hook 2. The hook 2 is driven by the motor to rotate in the reverse direction, so that the arc-shaped opening 201 is far away from the first sleeve 5, and then the rope on the hanging part can be automatically unloaded.

[0024] Embodiment 2

[0025] As Figures 2 to 3 shown, an automatic unloading mechanism for a lifting hook proposed by the present utility model, compared with Embodiment 1, further comprises a stabilizing mechanism on the hook frame 1. The stabilizing mechanism includes a second screw rod 6, a second sleeve 603, a sliding rod 605 and a first elastic member 606. The second screw rod 6 is rotatably connected to the hook frame 1 and the locking seat 3. One end of the second screw rod 6 extends into the installation cavity of the locking seat 3, and a transmission assembly 601 is arranged between the top end of the second screw rod 6 and the top end of the first screw rod 4. The transmission assembly 601 is composed of two meshing bevel gears. The second screw rod 6 is driven to rotate by a driving assembly 602 installed in the inner cavity of the hook frame 1. The second sleeve 603 slides and adjusts along the horizontal direction of the inner cavity of the hook frame 1. A guiding groove is arranged at the top end of the inner cavity of the hook frame 1. A sliding seat is arranged on the second sleeve 603, and the sliding seat is slidably connected to the guiding groove, so as to ensure that the second sleeve 603 always slides and adjusts along the horizontal direction of the inner cavity of the hook frame 1, and avoid rotational interference with the adjustment of the wedge block 604. The second sleeve 603 is threadedly connected to the second screw rod 6. The sliding rod 605 is slidably connected to the hook frame 1. The sliding rod 605 is in the shape of a cuboid to avoid rotational interference with the adjustment of the limiting seat 609 on the hook frame 1. A limiting seat 609 is installed at the bottom end of the sliding rod 605, and an arc-shaped portion is formed at the bottom end of the limiting seat 609. Wedge blocks 604 are installed at the opposite ends of the sliding rod 605 and the second sleeve 603, and the two wedge blocks 604 are slidably connected. The first elastic member 606 is arranged between the wedge block 604 corresponding to the sliding rod 605 and the bottom of the inner cavity of the hook frame 1. The first elastic member 606

[0026] is set as the first spring, and the first elastic member 606 is sleeved outside the sliding rod 605.

[0027] Further, an installation plate 607 is installed at the bottom end of the sliding rod 605. Two groups of second elastic members 608 are symmetrically installed at the bottom end of the installation plate 607. The limit seat 609 is installed between the bottom ends of the two groups of second elastic members 608. The second elastic member 608 is composed of a telescopic rod and a second spring sleeved outside it. Through the self-adjustment of the second elastic member 608, the limit seat 609 can adapt to ropes of more sizes, with a wider range of use, and at the same time reduce the damage to the ropes.

[0028] In this embodiment, the second screw rod 6 is driven to rotate by the driving assembly 602. Then, through the transmission assembly 601, the first screw rod 4 can be driven to rotate, and at the same time, the second sleeve 603 can be driven to move horizontally along the second screw rod 6, and then drive the wedge block 604 to slide along the other wedge block 604, and then make the sliding rod 605 press down along the hook frame 1, so that the first elastic member 606 is compressed. Then, when the insertion rod 501 in the limiting mechanism limits and connects the hanging hook 2 and the locking seat 3, at the same time, the sliding rod 605 drives the limit seat 609 to move downward to further press the rope hanging on the hook portion of the hanging hook 2, avoiding the movement of the rope hook portion during the movement process and further improving the installation stability of the rope; when the rope needs to be unloaded, the driving assembly 602 starts the second screw rod 6 to rotate in the reverse direction, which can drive the limiting mechanism to lose the limit on the hanging hook 2, and at the same time drive the limit seat 609 to no longer contact and limit the rope.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to this. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. An automatic unloading mechanism for a hook, characterized in that: include A hook frame (1) is provided with a mounting seat connected to a crane at its top end, a hook (2) is rotatably connected to one end of the hook frame (1), and the hook (2) is driven to rotate by a motor installed on the outer wall of the hook frame (1); A locking seat (3) connected to the other side wall of the hook frame (1), and an end of the hook (2) away from the hook frame (1) abuts against the locking seat (3); And a limiting mechanism is arranged on the locking seat (3) and is used to detachably connect one end of the hook (2) away from the hook frame (1) with the locking seat (3).

2. The automatic unloading mechanism for a hook according to claim 1, characterized in that: The hook (2) is configured to be C-shaped, the bottom end of the hook (2) is provided with an arc-shaped hooking portion, and the end of the hook (2) is provided with an arc-shaped opening (201) and a plug hole corresponding to the limiting mechanism.

3. The automatic unloading mechanism for a hook according to claim 2, characterized in that: Limiting mechanism includes A first screw rod (4) which is rotatably connected to the locking seat (3) and driven to rotate by a motor arranged on the locking seat (3); A first sleeve (5), which is threadedly sleeved on the outside of the first screw rod (4), the first sleeve (5) is slidably adjusted along the height direction of the locking seat (3), and the first sleeve (5) corresponds to the arc-shaped opening (201); And an abutment seat (502) is installed at the bottom end of the first sleeve (5), and two groups of insertion rods (501) are symmetrically arranged on the abutment seat (502), and the insertion rods (501) are plugged into the insertion holes.

4. The automatic unloading mechanism for a hook according to claim 3, characterized in that: The bottom end of the locking seat (3) is set as a U-shaped seat, and the end of the hook (2) away from the hook frame (1) is in contact with the U-shaped seat. The top end of the locking seat (3) is provided with a mounting cavity, and the top end of the first screw rod (4) extends to the inside of the mounting cavity.

5. An automatic unloading mechanism for a hook according to claim 2 or 4, characterized in that: The hook frame (1) is also provided with a stabilizing mechanism, which includes A second screw rod (6) is rotatably connected to the hook frame (1) and the locking seat (3); one end of the second screw rod (6) extends into the interior of the mounting cavity of the locking seat (3) and a transmission assembly (601) is arranged between the second screw rod (6) and the top end of the first screw rod (4); the second screw rod (6) is driven to rotate by a driving assembly (602) installed in the inner cavity of the hook frame (1); A second sleeve (603) is slidably adjusted along the horizontal direction of the inner cavity of the hook frame (1), and the second sleeve (603) is threadedly connected to the second screw rod (6); A sliding rod (605) is slidably connected to the hook frame (1), a limit seat (609) is installed at the bottom end of the sliding rod (605), and a wedge block (604) is installed at one end of the sliding rod (605) and the second sleeve (603) relative to each other, and two sets of wedge blocks (604) are slidably connected; And a first elastic member (606) is arranged between the corresponding wedge block (604) on the slide rod (605) and the bottom of the inner cavity of the hook frame (1).

6. The automatic unloading mechanism for a hook according to claim 5, characterized in that: A mounting plate (607) is installed at the bottom end of the slide bar (605), two groups of second elastic members (608) are symmetrically installed at the bottom end of the mounting plate (607), and a limiting seat (609) is installed between the bottom ends of the two groups of second elastic members (608).

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