Single-magnification balance arm lifting hook device

Abstract

The utility model discloses a single-magnification balance arm lifting hook device in the technical field of lifting appliances, which comprises a top plate, a control mechanism is arranged on the top plate, a fixing mechanism is arranged at the top of the top plate, a rotating mechanism is arranged at the bottom of the top plate, and a first connecting mechanism is arranged at the bottom of the rotating mechanism. A lifting hook pulley is arranged at the bottom of the first connecting mechanism, a second connecting mechanism is arranged at the bottom of the lifting hook pulley, a lifting hook is arranged at the bottom of the second connecting mechanism, the control mechanism comprises a control lead screw, a control groove is formed in the top of the top plate, and the control lead screw is rotationally connected into the control groove. The right side of the control screw rod penetrates through the top plate, a control handle is arranged on the right side of the control screw rod, and the control screw rod is a forward and reverse screw rod. The lifting hook device solves the problems that when an existing lifting hook device is used, the lifting hook device is inconvenient to install on a crane, and the stability is limited when the lifting hook device is used.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting tools, in particular to a single-rate balancing arm hook device. Background Art

[0002] A sling is a device used to lift heavy objects in a lifting machine. The most commonly used slings for lifting finished objects are hooks and slings, and others include lifting rings, lifting suction cups, clamps, and forks.

[0003] However, the existing hook device is not convenient to be installed on the crane when in use, and has limited stability when in use. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the utility model aims to provide a single-rate balance arm hook device, which can solve the problem that the existing hook device is inconvenient to install on the crane when in use and has limited stability when in use.

[0006] In order to solve the above technical problems, the utility model provides a single-rate balanced arm hook device, which adopts the following technical solution: it includes a top plate, a control mechanism is provided on the top plate, a fixing mechanism is provided on the top of the top plate, a rotating mechanism is provided at the bottom of the top plate, a first connecting mechanism is provided at the bottom of the rotating mechanism, a hook pulley is provided at the bottom of the first connecting mechanism, a second connecting mechanism is provided at the bottom of the hook pulley, and a hook is provided at the bottom of the second connecting mechanism.

[0007] Optionally, the control mechanism includes a control screw, a control groove is opened on the top of the top plate, the control screw is rotatably connected in the control groove, the right side of the control screw passes through the top plate, a control handle is provided on the right side of the control screw, the control screw is a forward and reverse screw, two groups of control slides compatible with the control groove are screwed on the control screw, the two groups of control slides are slidably connected in the control groove, and the fixing mechanism includes two groups of fixing plates.

[0008] By adopting the above technical solution, the distance between the two sets of fixing plates is controlled.

[0009] Optionally, the bottoms of the two groups of fixing plates are respectively connected to the two groups of control slide plates, and two groups of fixing bolts are respectively inserted into the two groups of fixing plates.

[0010] By adopting the above technical solution, two sets of fixing plates are connected to the crane.

[0011] Optionally, the rotating mechanism includes two groups of rotating plates, the two groups of rotating plates are provided with rotating bolts, the rotating bolts are threaded with rotating nuts, and the first connecting mechanism includes a first bottom plate, and the first bottom plate is arranged on the top of the hook pulley.

[0012] By adopting the above technical solution, the first connecting mechanism is driven to rotate.

[0013] Optionally, first side panels are provided on both sides of the top of the first bottom plate, first latches are provided on two groups of the first side panels, a first connecting plate is rotatably connected to the first latch, and the top of the first connecting plate is rotatably connected to a rotating bolt.

[0014] By adopting the above technical solution, the hook pulley is driven to rotate.

[0015] Optionally, the second connecting mechanism includes a second bottom plate, which is arranged at the bottom of the hook pulley, and second side plates are provided on both sides of the bottom of the second bottom plate, and second pins are provided on two groups of the second side plates. The second pins are rotatably connected to a second connecting plate, and the bottom of the second connecting plate is connected to the hook.

[0016] By adopting the above technical solution, the hook is driven to rotate.

[0017] In summary, the utility model includes at least one of the following beneficial effects: by setting up a control mechanism and a fixing mechanism to cooperate with each other, it is only necessary to rotate the control mechanism to drive the two groups of fixing plates to move closer to each other, adjust the distance between the two groups of fixing plates, and fix the hook device to the crane through the set fixing bolts, which is more convenient and more stable when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the control mechanism and the fixing mechanism structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the side panel structure of the utility model.

[0022] Explanation of the accompanying drawings: 1. top plate; 101. control groove; 2. control mechanism; 201. control screw rod; 202. control handle; 203. control slide plate; 3. fixing mechanism; 301. fixing plate; 302. fixing bolt; 4. rotating mechanism; 401. rotating plate; 402. rotating bolt; 403. rotating nut; 5. first connecting mechanism; 501. first bottom plate; 502. first side plate; 503. first latch; 504. first connecting plate; 6. hook pulley; 7. second connecting mechanism; 701. second bottom plate; 702. second side plate; 703. second latch; 704. second connecting plate; 8. hook. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 The utility model is described in further detail.

[0024] Embodiment 1, refer to Figure 1-3 In this embodiment, in order to solve the problem that the existing hook device is inconvenient to install on the crane and has limited stability when in use, the utility model discloses a single-rate balance arm hook device.

[0025] It includes a top plate 1, a control mechanism 2 is provided on the top plate 1, a fixing mechanism 3 is provided at the top of the top plate 1, a rotating mechanism 4 is provided at the bottom of the top plate 1, a first connecting mechanism 5 is provided at the bottom of the rotating mechanism 4, a hook pulley 6 is provided at the bottom of the first connecting mechanism 5, a second connecting mechanism 7 is provided at the bottom of the hook pulley 6, and a hook 8 is provided at the bottom of the second connecting mechanism 7.

[0026] The specific working principle is: the rotation control mechanism 2 adjusts the position of the fixing mechanism 3, the top plate 1 is fixed to the crane through the fixing mechanism 3, the first connecting mechanism 5 cooperates with the second connecting mechanism 7, and the hook 8 can rotate freely during use.

[0027] It should be noted that the control mechanism 2 includes a control screw 201, a control groove 101 is provided on the top of the top plate 1, the control screw 201 is rotatably connected in the control groove 101, the right side of the control screw 201 passes through the top plate 1, a control handle 202 is provided on the right side of the control screw 201, the control screw 201 is a forward and reverse screw, and two groups of control slides 203 compatible with the control groove 101 are screwed on the control screw 201, and the two groups of control slides 203 are both slidably connected in the control groove 101, and the fixing mechanism 3 includes two groups of fixing plates 301.

[0028] By adopting the above technical solution, the control handle 202 is rotated to drive the control screw 201 to rotate, and the control screw 201 drives the two groups of control slides 203 to rotate. Under the first limit of the control groove 101, the two groups of control slides 203 move closer to each other.

[0029] It should be supplemented that the bottoms of the two sets of fixing plates 301 are respectively connected to the two sets of control slide plates 203 , and two sets of fixing bolts 302 are respectively inserted into the two sets of fixing plates 301 .

[0030] By adopting the above technical solution, the two groups of control slide plates 203 respectively drive the two groups of fixing plates 301 to move. When the two groups of fixing plates 301 are in contact with the crane respectively, the two groups of fixing plates 301 are fixed to the crane by the set fixing bolts 302.

[0031] It should be noted that the rotating mechanism 4 includes two groups of rotating plates 401, on which rotating bolts 402 are inserted, and rotating nuts 403 are screwed on the rotating bolts 402. The first connecting mechanism 5 includes a first bottom plate 501, and the first bottom plate 501 is arranged on the top of the hook pulley 6.

[0032] The above technical solution is adopted to drive the first connecting mechanism to rotate.

[0033] It should be noted that first side panels 502 are provided on both sides of the top of the first bottom plate 501 , first latches 503 are provided on the two groups of first side panels 502 , and first connecting plates 504 are rotatably connected to the first latches 503 , and the top of the first connecting plate 504 is rotatably connected to the rotating bolt 402 .

[0034] The above technical solution is adopted to drive the hook pulley to rotate.

[0035] It should be noted that the second connecting mechanism 7 includes a second bottom plate 701, which is arranged at the bottom of the hook pulley 6. Second side plates 702 are provided on both sides of the bottom of the second bottom plate 701. Second pins 703 are provided on the two groups of second side plates 702. The second pins 703 are rotatably connected to a second connecting plate 704, and the bottom of the second connecting plate 704 is connected to the hook 8.

[0036] The above technical solution is adopted to drive the hook to rotate.

[0037] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A single-rate balance arm hook device, comprising a top plate (1), characterized in that: A control mechanism (2) is provided on the top plate (1), a fixing mechanism (3) is provided on the top of the top plate (1), a rotating mechanism (4) is provided on the bottom of the top plate (1), a first connecting mechanism (5) is provided on the bottom of the rotating mechanism (4), a hook pulley (6) is provided on the bottom of the first connecting mechanism (5), a second connecting mechanism (7) is provided on the bottom of the hook pulley (6), and a hook (8) is provided on the bottom of the second connecting mechanism (7).

2. A single-rate balance arm hook device according to claim 1, characterized in that: The control mechanism (2) comprises a control screw (201). A control groove (101) is provided on the top of the top plate (1). The control screw (201) is rotatably connected in the control groove (101). The right side of the control screw (201) passes through the top plate (1). A control handle (202) is provided on the right side of the control screw (201). The control screw (201) is a forward and reverse screw. Two groups of control slide plates (203) adapted to the control groove (101) are screwed onto the control screw (201). Both groups of the control slide plates (203) are slidably connected in the control groove (101). The fixing mechanism (3) comprises two groups of fixing plates (301).

3. A single-rate balance arm hook device according to claim 2, characterized in that: The bottoms of the two sets of fixing plates (301) are respectively connected to the two sets of control slide plates (203), and two sets of fixing bolts (302) are respectively inserted into the two sets of fixing plates (301).

4. A single-rate balance arm hook device according to claim 1, characterized in that: The rotating mechanism (4) comprises two groups of rotating plates (401), rotating bolts (402) are inserted into the two groups of rotating plates (401), and rotating nuts (403) are screwed onto the rotating bolts (402). The first connecting mechanism (5) comprises a first bottom plate (501), and the first bottom plate (501) is arranged on the top of the hook pulley (6).

5. A single-rate balance arm hook device according to claim 4, characterized in that: First side plates (502) are provided on both sides of the top of the first bottom plate (501), and first latches (503) are provided on the two groups of the first side plates (502). The first latches (503) are rotatably connected to first connecting plates (504), and the tops of the first connecting plates (504) are rotatably connected to rotating bolts (402).

6. A single-rate balance arm hook device according to claim 1, characterized in that: The second connecting mechanism (7) comprises a second bottom plate (701), the second bottom plate (701) being arranged at the bottom of the hook pulley (6), second side plates (702) being arranged on both sides of the bottom of the second bottom plate (701), second latches (703) being arranged on the two groups of the second side plates (702), the second latches (703) being rotatably connected to a second connecting plate (704), and the bottom of the second connecting plate (704) being connected to the hook (8).

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