CN112456311A

CN112456311A - Lifting hook device and lifting equipment

Info

Publication number: CN112456311A
Application number: CN202011380143.1A
Authority: CN
Inventors: 宋银灏; 夏开卫; 徐政
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-09

Abstract

The application provides a lifting hook device and lifting equipment, relates to construction equipment technical field. The hook device includes: the base body is provided with a bayonet. The first lifting hook is rotatably connected to the base body and provided with a first position for closing the bayonet and a second position for opening the bayonet. And the locking piece is used for locking the first hook at the second position. And the upper hook trigger mechanism is configured to be triggered by the second lifting hook when the second lifting hook of the heavy object to be lifted enters the bayonet so as to unlock the first lifting hook from the second position and automatically reset to the first position. The lifting hook device is matched with the locking piece through the upper hook triggering mechanism, so that the first lifting hook can be switched to a position after the second lifting hook of the heavy object triggers the upper hook triggering mechanism, and the upper hook action is completed. Effectively reduce the consuming time of hooking, reduce the intensity of labour of personnel's operation.

Description

Lifting hook device and lifting equipment

Technical Field

The application relates to the technical field of construction equipment, in particular to a lifting hook device and lifting equipment.

Background

In the construction process of the fabricated building, a building tower crane is needed to hoist precast concrete members, such as laminated slabs, shear walls, stairs and the like.

The lifting hook used in lifting is inconvenient to hook, and can be locked by depending on a large amount of manpower matched with the electric driving device, so that the hooking work can be completed, the time is delayed, and the labor intensity is not low.

Disclosure of Invention

An object of the application is to provide a lifting hook device, it can improve current lifting hook delay time and the big problem of artifical intensity of labour when the upper hook.

It is another object of the present application to provide a lifting apparatus comprising the above-mentioned hook device, which has all the characteristics of the hook device.

The embodiment of the application is realized as follows:

an embodiment of the present application provides a hook device, including:

the base body is provided with a bayonet;

the first hook is rotatably connected to the base body and provided with a first position for closing the bayonet and a second position for opening the bayonet;

a lock for locking the first hook in the second position;

and the upper hook trigger mechanism is configured to be triggered by a second hook of a heavy object to be lifted when the second hook enters the bayonet so as to unlock the first hook from the second position and automatically reset to the first position.

When a second lifting hook of a heavy object to be lifted extends into the bayonet and triggers the hooking triggering mechanism, the first lifting hook moves and moves from the second position to the first position, and after the bayonet is closed by the first lifting hook, hooking work of the heavy object is completed. The whole process is simple and rapid, the operator does not need to carry out excessive operation or pay excessive time, and the existing problems are effectively improved.

In addition, the hook device provided by the embodiment of the application can also have the following additional technical characteristics:

in an optional embodiment of the present application, the lifting device further includes an elastic resetting member disposed between the base and the first lifting hook, and the elastic resetting member is configured to drive the first lifting hook to automatically reset to the first position.

Elasticity resets and can assist first lifting hook to reset, promotes the efficiency that resets.

In an optional embodiment of the present application, the locking member is a leaf spring, the leaf spring is connected to the base, the leaf spring includes a locking opening, the first hook includes a locking portion, and when the locking portion is located at the locking opening, the first hook is locked at the second position.

The simple structure of leaf spring owing to it has elasticity, can not lock first lifting hook totally when realizing spacingly, when first lifting hook breaks away from the second place, and leaf spring self can keep in the normal position again to next locking first lifting hook.

In an optional embodiment of the application, the upper hook trigger mechanism comprises an opening block and a contact block, the opening block is arranged on the base body in a vertically sliding mode, the contact block is fixed with the opening block and located in the bayonet, and when the contact block is pushed upwards, the opening block can touch the first lifting hook and release locking of the first lifting hook by the locking piece.

The second lifting hook of waiting to lift by crane the heavy object can be touching the contact block after stretching into the bayonet socket, and then promotes and opens the piece, utilizes the second lifting hook can accomplish to trigger, need not artifical and removes the locking alone.

In an optional embodiment of the present application, the hook device further includes a hook releasing device, the hook releasing device includes a lifting member and a driving member, the lifting member is slidably connected to the base, the output end of the driving member is connected to the lifting member, and the lifting member can be driven to drive the first hook to switch from the first position to the second position.

The lifting piece is driven to move through the driving piece, and then the first lifting hook is driven to be driven, so that the first lifting hook can be switched to a position, more convenient unhooking operation is realized, operation during manual unhooking is further saved, and operation risk during unhooking is also reduced.

In an alternative embodiment of the present application, the lifting member includes a lifting rod and a rack portion, the lifting rod is fixedly connected to the rack portion, the driving member is a motor, an output shaft sleeve of the motor is provided with a gear, and the gear is engaged with the rack portion.

The engagement of the rack portion with the gear stabilizes the lifting process.

In an optional embodiment of the present application, the unhooking device further includes a first resetting member, the first resetting member is disposed on the base and connected to the lift rod, the gear has a toothless portion, the toothless portion faces the rack portion, the gear is disengaged from the rack portion, and the first resetting member orders the lift rod to reset.

When no tooth portion was in opposite directions with rack portion, the gear no longer with rack portion meshing, at this moment, the first piece that resets drove the lifting rod and resets to for promoting first lifting hook next time and making preparations, because the process that resets does not need the motor to provide power, can save unnecessary energy resource consumption.

In the optional embodiment of this application, hook assembly still includes lifting hook auto-lock subassembly, lifting hook auto-lock subassembly include from top to bottom slidable mounting in the guide block and the protrusion of base member are fixed in the bearing round pin of base member lower extreme, first lifting hook rotationally connect in the second guide block, pass through during the bearing of first lifting hook the slip of guide block moves down and block in the bearing round pin.

Because first lifting hook is connected in the base member through the second guide block, when the second guide block was in the auto-lock position, first lifting hook also was born the weight of by the bearing pin, avoided taking place the pine and take off and cause the accident at the in-process that suspends the heavy object in midair.

In an alternative embodiment of the present application, the base body is provided with a rotatable manual opening column, a connecting rope is fixed on the manual opening column, and one end of the connecting rope is connected to one end of the first hook, which is matched with the locking member.

The manual opening post can be manually unhooked when the first hook is stuck and cannot be unhooked due to a circuit failure or the like.

The embodiment of the application provides a lifting device, including hoisting accessory and above-mentioned arbitrary hook assembly, hoisting accessory's output with hook assembly connects.

The lifting equipment can conveniently lift the heavy object by configuring the lifting hook device, and the trouble of the existing hooking operation is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a hook assembly provided in an embodiment of the present application;

FIG. 2 is a schematic illustration of the substrate of FIG. 1 with the housing removed;

FIG. 3 is a schematic view of FIG. 1 with the housing and a portion of the base hidden;

FIG. 4 is a schematic view of FIG. 3 in use, in cooperation with a weight;

FIG. 5 is a schematic view of a unhooking apparatus;

FIG. 6 is a schematic view of another perspective of FIG. 5;

FIG. 7 is a schematic view of the first hook engaging with the latch member and the resilient return member;

FIG. 8 is a schematic view of the hook up trigger mechanism;

FIG. 9 is a schematic view of a remote control;

FIG. 10 is a schematic view of the first hook in a first position;

FIG. 11 is a schematic view of the first hook in a second position;

figure 12 is a schematic view of the first hook engaging the load bearing pin in a second position.

Icon: 11-bayonet; 12-a housing; 13-upper ring; 14-a bearing block; 15-a bearing plate; 16-a load bearing pin; 17-a guide groove; 20-a first hook; 21-an engaging portion; 30-a lock; 31-a snap-fit port; 40-an elastic return member; 50-manually open the column; 61-a first guide block; 62-opening the block; 63-a contact block; 712-a lifting bar; 7121-a guide rod part; 7122-guide holder; 714-rack portion; 72-a drive member; 721-gears; 73-a first reset piece; 80-a remote controller; 91-a second guide block; 92-a second reset member; 100-weight; 101-second hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the product conventionally places when used, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1 to 12, an embodiment of the present application provides a hook device, including:

the base body is provided with a bayonet 11;

a first hook 20 rotatably connected to the base and having a first position closing the bayonet 11 and a second position opening the bayonet 11;

a lock 30 for locking the first hook 20 in the second position;

and the upper hook triggering mechanism is configured to be triggered by the second hook 101 when the second hook 101 of the heavy object 100 to be lifted enters the bayonet 11, so that the first hook 20 is unlocked from the second position and automatically reset to the first position.

Optionally, in this embodiment, an elastic restoring member 40 is further disposed between the base and the first hook, and the elastic restoring member 40 is used to drive the first hook 20 to automatically restore to the first position. It will be appreciated that the first hook 20 may also automatically return to the first position under its own weight after being unlocked.

In brief, when the second hook 101 of the heavy object 100 to be lifted extends into the bayonet 11 and triggers the hooking trigger mechanism, the elastic resetting member 40 can drive the first hook 20 to move by the elastic force, and move from the second position to the first position, and after the bayonet 11 is closed by the first hook 20, the hooking operation of the heavy object 100 is completed. The whole process is simple and rapid, the operator does not need to carry out excessive operation or pay excessive time, and the existing problems are effectively improved.

The overall mass of the lifting hook device can be 4kg, the overall size can be 106mm × 46mm × 390mm, and the lifting hook device is convenient for an operator to easily grasp and use.

Referring to fig. 1 and 2, the base includes a housing 12, an upper ring 13, a bearing block 14, a bearing plate 15, and a bearing pin 16. The first hook 20 is covered by the housing 12 during the switching back and forth between the first position and the second position. Through the cage of the housing 12, the first hook 20 does not hook to the surrounding sundries during the movement process, thereby ensuring the smooth implementation of the hoisting process. Hereinafter, the components mounted to the base are mainly mounted to the bearing plate 15, and will not be described in detail.

Referring to fig. 3 and 7, in particular, in the present embodiment, the locking member 30 is a leaf spring, and the leaf spring is connected to the base. As shown in fig. 7, the leaf spring includes a locking opening 31, the first hook 20 includes a locking portion 21, and when the locking portion 21 is located at the locking opening 31, the first hook 20 is locked at the second position. The leaf spring is simple in structure, and due to elasticity, the first lifting hook 20 cannot be completely locked when the limiting is realized, and when the first lifting hook 20 is separated from the second position, the leaf spring can be kept in the original position, so that the first lifting hook 20 can be locked next time.

In addition, this embodiment is further provided with a manual opening column 50, the manual opening column 50 is rotatably disposed on the base, a connection rope is fixed on the manual opening column 50, and one end of the connection rope is connected to one end of the first hook 20, which is matched with the locking member 30. The manual opening column 50 of the present embodiment is connected to the first hook 20 through a flexible steel wire, and when the hook cannot be unhooked, the first hook 20 can be driven to rotate by screwing the manual opening column 50 with a screwdriver, so that the engaging portion 21 is engaged with the engaging opening 31, thereby achieving manual unhooking. Thereby avoiding the failure of the hook device and the failure of unhooking.

Referring to fig. 8, specifically, the hook-up triggering mechanism includes an opening block 62 and a contact block 63, the opening block 62 is disposed on the base in a vertically sliding manner, the contact block 63 and the opening block 62 are fixed and located in the bayonet 11, when the contact block 63 is pushed upward, the opening block 62 can be pushed, the opening block 62 can touch the first hook 20 and release the locking of the locking member 30 on the first hook 20, so that the first hook 20 is disengaged from the bayonet 31. Because the second lifting hook 101 of the heavy object 100 to be lifted can touch the opening block 62 after extending into the bayonet 11, the triggering can be completed by utilizing the second lifting hook 101 without manually and independently releasing the locking. In this embodiment, the upper hook trigger mechanism further includes a first guide block 61, the first guide block 61 is fixedly connected with the base, and the opening block 62 is slidably disposed on the first guide block 61 to realize up-and-down sliding.

Referring to fig. 7, in the present embodiment, the elastic restoring member 40 is a first tension spring, the first hook 20 is rotatably disposed on the base, one end of the first tension spring is connected to the first hook 20, the other end of the first tension spring is connected to the base, and after the locking member 30 releases the lock on the first hook 20, the first tension spring drives the first hook 20 to rotate to the first position. The restoring force of the first tension spring can drive the first lifting hook 20 to move, a special electric driving mechanism is not required to be additionally configured for the first lifting hook 20 or the first lifting hook 20 is not required to be driven manually, the unnecessary structure is simplified, and meanwhile certain labor intensity of manual operation is also removed.

Referring to fig. 5 and fig. 6, in the present embodiment, the hook device further includes a hook releasing device, the hook releasing device includes a lifting member and a driving member 72, the lifting member is slidably connected to the base, an output end of the driving member 72 is connected to the lifting member, and the lifting member can be driven to drive the first hook 20 to switch from the first position to the second position. Drive the promotion piece activity through driving piece 72, and then realize the drive with first lifting hook 20 for first lifting hook 20 can be by the switched position, has realized more convenient unhook operation, and the operation when further having saved artifical unhook has also reduced the operation risk when unhook.

In detail, the lifting member includes a lifting rod 712 and a rack portion 714, the lifting rod 712 is fixedly connected with the rack portion 714, the driving member 72 is a motor, an output shaft of the motor is sleeved with a gear 721, and the gear 721 is meshed with the rack portion 714. The engagement of the rack portion 714 with the gear 721 stabilizes the lifting process. In addition, the lifting rod 712 has a guide portion 7121, and the guide portion 7121 is connected to the base body through a guide seat 7122, so that when the first reset element 73 is operated, a certain movement track of the guide portion 7121 is ensured.

For example, as shown in fig. 9, when the unhooking is required, the motor may be started by pressing 1, and after the unhooking is completed, the motor may be stopped by pressing 2. Of course, the specific functional module may be further designed, such as the speed of the motor, and so on, which are not described herein again.

Further, the unhooking device further comprises a first restoring member 73, and the first restoring member 73 is disposed on the base and connected to the lifting rod 712. In the present embodiment, the gear 721 is an incomplete gear, that is, the gear 721 has a toothless part, and when the toothless part faces the rack part 714, the gear 721 is disengaged from the rack part 714, and the first returning member 73 returns the lift rod 712.

Wherein, this embodiment has adopted the second extension spring as first piece 73 that resets, and its action that resets is reliable to it is also low with low costs, is convenient for maintain the change.

The above-mentioned toothless part means that the edge of the part of the gear 721 has no teeth, but does not affect the rotation of the gear 721 itself, when the toothless part is opposite to the rack part 714, the gear 721 is no longer meshed with the rack part 714, at this time, the first reset piece 73 drives the lifting rod 712 to reset, so as to prepare for lifting the first hook 20 next time, and since the reset process does not need the motor to provide power, unnecessary energy consumption can be saved.

In more detail, the gear 721 of the present embodiment is a half gear, i.e., the range of the toothless part occupies the edge of the half gear 721. Optionally, the range of the toothless part can be further expanded or reduced according to specific requirements, such as occupying 1/4 edges of the gear 721, or occupying 3/4, and the like. When the gear 721 is disengaged from the rack portion 714, the motor is stopped in time.

Alternatively, the first reset element 73 may not be provided, and when the first hook 20 is pulled and rotated to the second position, the motor may also rotate in the reverse direction to drive the lifting rod 712 to reset, without affecting the unhooking action and the resetting action of the lifting rod 712.

Referring to fig. 2 and 4, in the present embodiment, the hook device further includes a hook self-locking assembly, the hook self-locking assembly includes a second guide block 91 slidably mounted on the base, and the second guide block 91 and the above-mentioned bearing pin 16 protruding from the lower end of the base perform self-locking together. Specifically, when the first hook 20 is loaded, it moves downward by the sliding of the second guide block 91 and is locked to the load pin 16.

More in detail, the guide way 17 has been seted up to the base member, second guide block 91 sets up in guide way 17 slidable, lifting hook auto-lock subassembly still includes the second 92 that resets, the second 92 that resets sets up between second guide block 91 and base member, second guide block 91 has non-auto-lock position and auto-lock position, first lifting hook 20 includes hook portion and hook arm, hook portion is fixed and overall approximate L type with the one end of hook arm, the other one end of hook arm is rotationally connected in second guide block 91 through the hinge, its appearance design also does benefit to first lifting hook 20 and relies on the dead weight and automatic re-setting to the first position. Because the first lifting hook 20 is connected to the base body through the second guide block 91, when the second guide block 91 is located at the self-locking position, the first lifting hook 20 is also supported by the bearing pins 16, and the hook parts are abutted by the bearing pins 16 on the two sides, so that the swinging is avoided, and the accident caused by the loosening in the process of hanging the heavy object 100 is also avoided.

Referring to fig. 2, the guide groove 17 is formed on one side of the bearing plate 15 of the base, the non-self-locking position is that the second guide block 91 is located at the upper portion of the guide groove 17, and the self-locking position is that the second guide block 91 is located at the lower portion.

Referring to fig. 10 and fig. 12, in the present embodiment, the second returning member 92 is a compression spring, and when no load is applied, the compression spring abuts against the second guide block 91; when bearing the load, the first hook 20 carries the second guide block 91 down a little distance along the guide slot 17 and is held by the bearing pin 16. At this time, the compression spring is further compressed, and when the heavy object 100 is removed, the compression spring rebounds and enables the first lifting hook 20 to move upwards until the first lifting hook is no longer blocked by the bearing pin 16 in the horizontal direction, so that subsequent unhooking work is facilitated.

Based on above-mentioned hook assembly, the embodiment of this application provides a equipment of lifting by crane, including hoisting accessory and hook assembly, hoisting accessory's output and hook assembly are connected. The lifting equipment can conveniently lift the heavy object 100 by configuring the lifting hook device, and the trouble of the existing hooking operation is avoided.

When the heavy object 100 is hoisted:

the second hanging ring of the weight 100 is first put into the bayonet 11 of the hook device shown in fig. 11 and touches the opening block 62, so that the first hook 20 is disengaged from the leaf spring, rotated by the first tension spring, and the second hook 101 of the weight 100 is passed through, resulting in the state shown in fig. 4.

When hoisting, the second hook 101 of the weight 100 pulls the first hook 20 downward, so that the first hook 20 moves downward along with the second guide block 91, and the hook part of the first hook 20 is locked by the bearing pin, thereby completing self-locking. The load bearing pin 16 transfers the load to the bearing plate 15 and the bearing block 14, thereby not only ensuring reliable bearing, but also avoiding the first lifting hook 20 from shaking.

After the hoisting is finished, the weight 100 does not apply a load to the first hook 20 any more, and the pressure spring jacks up the first hook 20 to release the self-locking of the first hook 20. The operator can remotely control the motor operation so that the lifting rod 712 is raised to lift the first hook 20, causing it to rotate relative to the second guide block 91 and to snap into the leaf spring, completing the unhooking.

Even if the periphery of the laminated slab on the construction site is provided with the extending reinforcing steel bars, the interior of the shear wall is provided with the reinforcing steel bar cage, or the construction site is provided with the stacked reinforcing steel bars, the unhooking process of the first lifting hook 20 is finished in the shell 12, so that the unhooking process can not be influenced.

To sum up, the hook device of the present application can be switched to the position after the second hook 101 of the heavy object 100 triggers the hook triggering mechanism through the cooperation of the hook triggering mechanism with the locking member 30 and the elastic resetting member 40, so as to complete the hook action. Effectively reduce the consuming time of hooking, reduce the intensity of labour of personnel's operation.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hook assembly, comprising:

the base body is provided with a bayonet;

a lock for locking the first hook in the second position;

2. The hook assembly as claimed in claim 1, further comprising a resilient return member disposed between the base and the first hook, the resilient return member being configured to urge the first hook to automatically return to the first position.

3. The hook assembly of claim 1, wherein the locking member is a leaf spring coupled to the base, the leaf spring including a snap opening, the first hook including a snap portion, the first hook being locked in the second position when the snap portion is in the snap opening.

4. The lifting hook device as claimed in claim 1, wherein the upper hook trigger mechanism comprises an opening block and a contact block, the opening block is slidably disposed on the base up and down, the contact block is fixed with the opening block and located in the bayonet, and when the contact block is pushed upwards, the opening block can touch the first lifting hook and unlock the first lifting hook by the locking member.

5. A lifting hook device as claimed in claim 1, wherein the lifting hook device further comprises a unhooking device, the unhooking device comprises a lifting member and a driving member, the lifting member is slidably connected to the base, and an output end of the driving member is connected to the lifting member and is capable of driving the lifting member to drive the first lifting hook to switch from the first position to the second position.

6. A lifting hook device as claimed in claim 5, wherein the lifting member comprises a lifting rod and a rack portion, the lifting rod is fixedly connected with the rack portion, the driving member is a motor, an output shaft sleeve of the motor is provided with a gear, and the gear is meshed with the rack portion.

7. The lifting hook device as claimed in claim 6, wherein the unhooking device further comprises a first restoring member, the first restoring member is disposed on the base and connected to the lifting rod, the gear has a toothless portion, and when the toothless portion faces the rack portion, the gear is disengaged from the rack portion, and the first restoring member urges the lifting rod to be restored.

8. A hook assembly as claimed in claim 1, further comprising a hook self-locking assembly, wherein the hook self-locking assembly comprises a guide block slidably mounted on the base and a bearing pin protruding from the lower end of the base, the first hook is rotatably connected to the second guide block, and the first hook moves downward through the sliding of the guide block and is locked to the bearing pin when bearing a load.

9. A hook assembly as claimed in claim 1, wherein the base member is provided with a manually openable rotatable post, a connecting cord being secured to the manually openable post, one end of the connecting cord being connected to the end of the first hook which engages the locking member.

10. A lifting apparatus, characterized in that it comprises a lifting device and a hook device according to any one of claims 1 to 9, the output end of the lifting device being connected to the hook device.