CN213231219U

CN213231219U - Hoisting mechanism and hoisting equipment

Info

Publication number: CN213231219U
Application number: CN202021433940.7U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-05-18
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a lifting mechanism and lifting equipment, which comprises a lifting part, a lifting seat and a linkage part, wherein the lifting seat is used for bearing the lifting part and the linkage part, and the lifting seat is provided with an open slot for at least partially entering an object to be lifted; the lifting part comprises a pair of automatic clamping claws arranged at the open grooves and is used as an execution part for clamping an object to be lifted; and the linkage part is arranged on the hanging seat to control the opening and closing movement of the automatic clamping jaws. The utility model provides a hoisting mechanism, the automatic jack catch under the open mode forms accommodation space, and accommodation space is used for holding and waits to hang the thing, waits to hang the thing and gets into the under shed groove through the accommodation space that automatic jack catch formed, hangs the seat and moves down and make and wait to hang the thing and get into the under shed groove completely after, and the automatic jack catch of linkage portion drive rotates and gets into in hanging the seat, is in the closure state until automatic jack catch, can realize waiting to hang the automation of thing and snatch, and the improvement snatchs efficiency and realizes automaticly.

Description

Hoisting mechanism and hoisting equipment

Technical Field

The utility model relates to a prefabricated component technical field specifically is a hoisting mechanism. The utility model discloses still relate to a lifting equipment and lifting mechanism's application method who is provided with lifting mechanism.

Background

Prefabricated parts refer to steel, wood or concrete parts made in the factory or on site (not the final design site). Here, taking a concrete prefabricated part as an example, in the production process of the concrete prefabricated part, the prefabricated part or a mold and the like need to be lifted, when the existing lifting equipment is lifted, a rope is used for binding the prefabricated part or the mold to wait for lifting, but the rope binding is limited by a binding method, the rope binding and lifting can be carried out manually to complete the fixation of the object to be lifted, the workload and the working strength of workers are increased, and the lifting efficiency is reduced.

At present, a scheme of binding and hoisting without using a rope also exists, a hoisting ring is arranged in the prefabricated part or on the die, and a hoisting mechanism provided with a hoisting hook is connected with the hoisting ring on the prefabricated part or the die, so that the prefabricated part or the die is hoisted.

But above-mentioned technical scheme still needs the manual work to accomplish being connected of rings and lifting hook, and it is low to lift by crane automation level, and the security is also lower simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting mechanism to solve the automatic horizontally problem of current lifting mechanism.

In order to achieve the above object, the utility model provides a following technical scheme:

a lifting mechanism comprises a lifting part, a lifting seat and a linkage part,

the lifting seat is used for carrying the lifting part and the linkage part, and an open slot for allowing at least part of an object to be lifted to enter is formed in the lifting seat;

the lifting part comprises a pair of automatic clamping claws arranged at the open grooves and is used as an execution part for clamping an object to be lifted;

and the linkage part is arranged on the hanging seat to control the opening and closing movement of the automatic clamping jaws.

Preferably, the automatic claw is hinged with a claw piece at two sides of the notch of the open slot respectively;

the linkage part comprises a driving mechanism for driving the claw petals to deflect so as to control the automatic claws to open and close.

Preferably, the driving mechanism comprises two first power sources, and the two first power sources are respectively installed at two sides of the open slot and respectively drive one claw piece to deflect.

Preferably, the power source I adopts a motor with a band-type brake function.

Preferably, the linkage part further comprises a holding mechanism, the holding mechanism comprises a holding piece, the holding piece is installed on the hanging seat and can slide along the depth direction of the open slot, and when the automatic claw of the hanging part is in an open state, the automatic claw is separated from the holding piece; and when the automatic clamping jaw of the lifting part is in a locked state, the automatic clamping jaw is abutted and locked with the retaining piece.

Preferably, the holding mechanism further comprises a pushing part, and two ends of the pushing part are respectively abutted to the hanging seat and the holding part;

the pushing part comprises an elastic part, two ends of the elastic part are respectively abutted against the hanging seat and the retaining part, and the pushing retaining part slides along the open slot; the pushing piece further comprises a guide post, the guide post is arranged on the hanging seat or the retaining piece, the corresponding retaining piece or the hanging seat is provided with a through hole which is matched with the through hole, and preferably, the elastic piece is sleeved on the guide post;

or, the pushing part comprises an expansion part, two ends of the expansion part are respectively connected with the hanging seat and the holding part, and preferably, the expansion part adopts one or a combination of a plurality of cylinders, oil cylinders and expansion rods.

Preferably, the automatic clamping jaw is respectively hinged with at least one clamping hook body at two sides of the opening of the open slot;

preferably, the grapple bodies on both sides are arranged to be staggered with each other.

Preferably, the grab hook body is approximately L-shaped or arc-shaped and comprises a bottom sealing part and a side sealing part, and when the bottom sealing parts on the automatic claws on the two sides are combined, the lifting part is in a locking state; when the side sealing parts on the automatic clamping claws on the two sides are combined, the lifting part is in an open state;

in the process of the lifting part from the opening state to the locking state, the side sealing part on the automatic clamping jaw pushes the retaining piece to slide along the opening groove and away from the notch until the side sealing part of the automatic clamping jaw and the side part of the retaining piece form a resisting part to achieve the locking retaining state.

Preferably, the linkage part comprises a second power source, one end of the second power source is fixedly connected with the hanging seat, the other end of the second power source is hinged to the automatic claw of the hanging part through a revolute pair mechanism, and the second power source can pull or push the automatic claw of the hanging part to open and/or close along the central line of the open slot.

Another object of the utility model is to provide a lifting apparatus, lifting apparatus includes above-mentioned lifting mechanism.

The lifting mechanism provided by the utility model comprises a lifting part, a lifting seat and a linkage part; the lifting seat is used for bearing the lifting part and the linkage part, and an open slot for allowing at least part of an object to be lifted to enter is formed in the lifting seat; the lifting part comprises a pair of automatic claws arranged at the open slot; the linkage part enables the bottom end of the automatic clamping jaw of the lifting part to at least partially extend out of the lifting seat to be in an open state, the automatic clamping jaw in the open state forms an accommodating space which is used for accommodating an object to be lifted, the object to be lifted enters the lower opening groove through the accommodating space formed by the automatic clamping jaw, the lifting seat moves downwards to enable the object to be lifted to completely enter the lower opening groove, the linkage part drives the automatic clamping jaw to rotate to enter the lifting seat until the automatic clamping jaw is in a locked state, the automatic clamping jaw can automatically clamp the object to be lifted without manual operation, automatic grabbing of the object to be lifted can be achieved, the object to be lifted is lifted, the linkage part controls the automatic clamping jaw to be opened after the object to be lifted is in contact with the ground or other supporting points after the object to be lifted is lifted to a specified position, the object to be lifted is released, automatic releasing of the object to be lifted. Meanwhile, the object to be lifted is grabbed without manual operation, so that the lifting safety is improved.

The utility model provides a lifting equipment has used above-mentioned hoisting mechanism, because hoisting mechanism has above-mentioned technological effect, then this hoisting equipment should also have corresponding technological effect.

Drawings

FIG. 1 is a schematic structural view of a lifting mechanism in a locked state according to an embodiment of the disclosure;

fig. 2 is a schematic internal structural view of the hoisting mechanism disclosed in the second embodiment in a locked state;

fig. 3 is a schematic structural view of the hoisting mechanism disclosed in the second embodiment in an open state;

FIG. 4 is a schematic view of the retainer of FIG. 2;

fig. 5 is a schematic structural view of an automatic claw 2 disclosed by the present invention;

FIG. 6 is a schematic view of the internal structure of a hoisting mechanism in a locked state according to the third embodiment;

fig. 7 is a schematic internal structural diagram of a hoisting mechanism in a locked state according to the fourth embodiment.

In the figure:

1. a hanging seat;

2. automatic clamping jaws; 21. a guide section; 22. a locking section; 23. an accommodating section;

3. a linkage section; 31. a drive mechanism; 311. a first power source; 312. a power shaft;

32. a holder; 321. a limiting block; 322. a backstop block; 323. a resisting block; 324. supporting columns; 325. perforating;

33. a pushing member; 331. an elastic member; 332. a telescoping member; 333. a guide post; 34. a second power source; 35. a revolute pair mechanism; 351. fixing the disc; 352. a slide arm;

4. a support block; 5. a connecting portion; 6. and a limiting bulge.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

Example one

As shown in fig. 1, a lifting mechanism provided in the first embodiment mainly includes a lifting portion, a lifting seat 1 and a linkage portion 3, the lifting seat 1 is used for carrying the lifting portion and the linkage portion 3, and an open slot for at least partially entering an object to be lifted is formed in the lifting seat 1; the lifting part comprises a pair of automatic clamping claws 2 arranged at the open grooves and used as an execution part for clamping the object to be lifted; and the linkage part 3 is arranged on the hanging seat 1 to control the opening and closing movement of the automatic claw 2.

Specifically, the automatic claw 2 is respectively hinged with a claw piece at two sides of the notch of the open slot; the linkage 3 includes a drive mechanism 31 that drives the jaw flaps to deflect to control the opening and closing of the robot jaws 2.

Further, in this embodiment, the driving mechanism 31 includes two first power sources 311, the two first power sources 311 are respectively installed at two sides of the open slot and respectively drive one claw piece to deflect, wherein a power shaft 312 on the first power source 311 is in transmission connection with the claw piece, and the first power source 311 drives the claw piece to deflect to open and/or close. The first power source 311 may be a motor or other components capable of driving the power shaft 312 to rotate, and is not limited in particular.

Further, in order to enable the automatic claw 2 of the lifting part to be kept in the locking position after rotating in place, the first power source 311 adopts a motor with a band-type brake function.

Further, the portion of lifting by crane is including distributing in open slot opening part both sides and the automatic jack catch 2 of rotation installation on hanging seat 1, and each side sets up an automatic jack catch 2 at least, and the automatic jack catch 2 of both sides sets up relatively, and automatic jack catch 2 includes guide section 21 and holds section 23. Wherein, the guide section 21 is located automatic jack catch 2 bottom and is used for enlarging the opening angle of automatic jack catch 2 and plays the guide effect of waiting to hang the thing and get into holding section 23 to wait to hang the automatic entering of thing and hold section 23, and guide section 21 increases accommodation space, so that hold the not unidimensional thing of waiting to hang, improve the commonality.

In this embodiment, when the hoisting mechanism is not used, the hoisting part can be in an open or locked state.

The grabbing, hoisting and releasing processes of the hoisting mechanism are as follows:

the process that the hoisting mechanism grabs the object to be hoisted is as follows: before the hoisting part grabs the object to be hoisted, the first power source 311 rotates forwards or backwards to drive the automatic claw 2 to partially extend out of the hoisting base 1 to be in an open state, the open angle of the automatic claw 2 is enlarged through the guide section 21, the object to be hoisted can automatically enter the accommodating section 23 through the guide section 21 conveniently, the first power source 311 rotates backwards or forwards to drive the automatic claw 2 which is arranged oppositely to be locked, and at the moment, the hoisting part is in a locked state.

The process that the hoisting mechanism grabs the object to be hoisted is as follows: after the object to be lifted is grabbed, the lifting seat 1 moves upwards to realize lifting.

And (3) releasing the object to be hung: after the lifting is carried out to a specified position, when the object to be lifted contacts the ground or other supporting points, the first power source 311 rotates forwards or backwards to drive the automatic claw 2 to partially extend out of the lifting seat to be in an open state; and lifting the lifting seat 1, and releasing the object to be lifted from the lifting part.

Wherein, the forward rotation or reverse rotation of the first power source 311 to open or close the lifting part can be realized by a manual operation system, or by program setting in the prior art, for example, by sensor detection, and the control system executes the operation.

In the working process, the first power source 311 rotates forwards or reversely to enable at least part of the bottom end of the automatic claw 2 of the lifting part to extend out of the lifting seat 1 to be in an open state for clamping an object to be lifted, the lifting part in the open state forms an accommodating space, the object to be lifted enters the lower open groove through the accommodating space formed by the automatic claw 2, the lifting seat 1 moves downwards to enable the object to be lifted to completely enter the lower open groove, the first power source 311 rotates reversely or positively to drive the automatic claw 2 to rotate and enter the hanging seat 1 to be in a locked state, the automatic claw 2 can automatically grab and clamp the object to be hung without manual operation, the object to be hung can be automatically grabbed, after the lifting is carried out to the designated position and the object to be lifted is contacted with the ground or other supporting points, the linkage part 3 controls the automatic clamping jaws 2 to be opened to release the object to be lifted, the automatic release of the object to be lifted can be realized, therefore, the grabbing and releasing efficiency of the hoisting mechanism is improved, and the hoisting operation efficiency and the automation level are further improved. Meanwhile, the object to be lifted is grabbed without manual operation, so that the lifting safety is improved.

Example two

In the present embodiment, the same portions as those in the first embodiment are given the same reference numerals, and the same description is omitted.

Compared with the first embodiment, the hoisting mechanism provided by the present embodiment further has such a different structural design:

specifically, as shown in fig. 2 to 4, the linkage portion 3 includes a holding mechanism, the holding mechanism includes a holder 32, the holder 32 is mounted on the hanger base 1 and can slide along the depth direction of the lower opening groove, and when the automatic jaw 2 of the lifting portion is in an open state, the automatic jaw 2 of the lifting portion is disengaged from the holder 32; when the automatic claw 2 of the lifting part is in a locked state, the lifting part abuts against and is locked to the holder 32.

Further, as shown in fig. 2, the holding mechanism further includes a pushing member 33, and two ends of the pushing member 33 respectively abut against the hanging seat 1 and the holding member 32; the pushing part 33 includes an elastic part 331, two ends of the elastic part 331 respectively abut against the hanging seat 1 and the retaining part 32, and push the retaining part 32 to slide along the opening groove; the pushing part 33 further comprises a guide post 333, the guide post 333 is arranged on the hanging seat 1 or the holding part 32, the corresponding holding part 32 or the hanging seat 1 is provided with a through hole 325, and preferably, the elastic part 331 is sleeved on the guide post 333;

specifically, the retainer 32 includes a limiting seat and a prop 324, the prop 324 protrudes out of the bottom of the limiting seat, and the limiting seat can abut against the lifting part to form an interlock or be away from the lifting part to release the interlock.

Furthermore, in order to ensure the connection stability of the limiting seat and prevent the limiting seat from being stressed and deviated, the number of the elastic pieces 331 is multiple, and the elastic pieces 331 are prevented from being deviated transversely by arranging the guide posts 333, so that the limiting seat is prevented from being deviated transversely; preferably, in this embodiment, the number of the elastic members 331 is two, and the elastic members 331 are springs, air springs, elastic rubber pads, or other elastic members. One end of the elastic member 331 is connected to the hanging seat 1 through the supporting block 4, and the other end is connected to the limiting seat, preferably, in order to prevent the elastic member 331 and the limiting seat from being separated from the original position, the elastic member 331 is fixedly connected to the supporting block 4 and the limiting seat. Detachable fixed connection such as fastener can be adopted between supporting shoe 4 and the hanging seat 1, of course, also can adopt non-detachable mode fixed connection such as welding, and the preferred connection of dismantling makes things convenient for the change maintenance in later stage, reduces the replacement cost. The supporting block 4 also plays a role in enhancing the structural strength of the hanging seat 1, and of course, the elastic member 331 may also be connected to the hanging seat 1 by other structures, not limited to the supporting block 4.

Further, as shown in fig. 4, the limiting seat includes a limiting block 321, a stopping block 322 and a stopping block 323, wherein a through hole 325 is formed in the limiting block 321 for connecting with the elastic member 331, the stopping block 322 protrudes out of the bottom of the limiting block 321, the stopping block 322 abuts against the side portion of the hoisting part to form an interlock or is far away from the hoisting part to release the interlock, the stopping block 323 is located at the bottom of the stopping block 322, and in the process that the hoisting part retracts into the hoisting seat 1, the hoisting part abuts against the stopping block 323 to slide along the direction of the opening of the lower opening groove. Wherein, stopper 321, stopping piece 322 and the piece 323 that backs of keeping back can the integral type structure as an organic whole, also can adopt split type structure, and split type structure can adopt detachable fixed connection such as fastener, also can adopt non-detachable mode fixed connection such as welding, preferably, adopts split type structure and can adopt the dismantlement to connect, and especially stopping piece 322 and the piece 323 that keeps back are fragile spare in use, adopt to dismantle the connection, make things convenient for the change maintenance in later stage, reduce the replacement cost. Wherein, in order to lighten the counterweight and reduce the cost, the retaining block 322 is a hollow structure.

Specifically, as shown in fig. 5, at least one hook body is hinged to each of two sides of the opening of the open slot of the automatic claw 2. Specifically, the grapple body is approximately L-shaped or arc-shaped and comprises a bottom sealing part and a side sealing part, and when the bottom sealing parts on the automatic clamping claws 2 on the two sides are combined, the lifting part is in a locking state; when the side sealing parts on the two automatic clamping jaws 2 are combined, the lifting part is in an open state (wherein the bottom sealing parts are combined to be in a state that the bottom sealing parts of the two automatic clamping jaws 2 which are oppositely arranged are approximately in a horizontal parallel state, and the side sealing parts are combined to be in a state that the side sealing parts of the two automatic clamping jaws 2 which are oppositely arranged are approximately in a horizontal parallel state). In the process of the lifting part from the open state to the locked state, the side sealing part on the automatic claw 2 pushes the retaining piece 32 to slide along the lower opening groove away from the notch until the side sealing part of the automatic claw 2 is abutted with the side part of the retaining piece 32 to achieve the locked and retained state.

Furthermore, the grapple bodies on the two sides are arranged in a staggered way; two automatic jack catch 2 that lie in 1 both sides of hanging seat and stagger relatively and set up are a set of, in this embodiment, the portion of lifting by crane includes two sets of relative crisscross automatic jack catch 2 that set up open and/or close, and automatic jack catch 2 can set up a set ofly, two sets ofly, three groups and more than, preferably adopts two sets ofly, and two sets ofly can provide enough bearing capacity and realize treating the stable support of hanging the thing to automatic jack catch 2 crisscross settings, make automatic jack catch 2 open the biggest angle, can snatch many sizes and wait to hang the thing, improve the commonality ability.

Further, hanging seat 1 is including two casings that set up relatively, and the relative position of two casings all is provided with the under shed groove, and the under shed both sides all are provided with spacing arch 6 about two casings, and spacing arch 6 separates into spacing chamber and holds the passageway with the under shed groove, and the spacing chamber that spacing arch 6 formed is used for holding stopper 321 and limiting stopper 321's slip stroke, carries out vertically and transversely spacing (the vertical direction of height that is hanging seat 1, the horizontal length direction that is hanging seat 1) to keeper 32 promptly. It is understood that other mechanisms may be disposed on the housing to longitudinally and transversely limit the limiting block 321, and are not limited to limiting cavity limiting.

In this embodiment, when the lifting mechanism is not in use, the automatic claw 2 of the lifting portion is in an open state before gripping the object to be lifted, and the holder 32 is at the longitudinal maximum moving position.

The grabbing, hoisting and releasing processes of the hoisting mechanism in the embodiment are as follows:

the process that the hoisting mechanism grabs the object to be hoisted is as follows: after the hanging seat 1 is positioned above the object to be hung, the hanging seat 1 descends, and because the automatic clamping jaws 2 are in an open state, the opening angle of the automatic claw 2 is enlarged through the guide section 21, so that the object to be hung can automatically enter the accommodating section 23 through the guide section 21, the hanging seat 1 continuously moves downwards, the power source I311 rotates reversely or positively to drive the automatic claw 2 which is oppositely arranged, the automatic claw 2 props against the propping block 323 of the retaining piece 32 in the rotating process, the propping block 323 moves upwards under the contraction action of the elastic piece 331 until the automatic claw 2 is separated from the propping block 323 of the retaining piece 32, and meanwhile, as the propping block 323 loses the propping force of the automatic claw 2, the elastic restoring force of the elastic piece 331 and the self gravity effect are reset, the retaining block 322 is locked with the locking section 22 of the automatic claw 2, the power source one 311 is kept at the locking position, the lifting mechanism realizes self-clamping locking, and the object to be lifted is prevented from being separated from the lifting part.

And (3) releasing the object to be hung: after the hoisting is carried out to a specified position, after the object to be hoisted is contacted with the ground or other supporting points, the hoisting base 1 moves downwards, the object to be hoisted moves upwards relative to the hoisting base 1, the object to be hoisted is abutted against the abutting column 324, so that the stopping block 322 moves upwards under the contraction action of the elastic piece 331 until the stopping block 322 is separated from the locking section 22 of the automatic jaw 2, and meanwhile, the power source I311 rotates forwards or backwards to drive the part of the automatic jaw 2 to extend out of the hoisting base to be in an open state; and lifting the lifting seat 1, and releasing the object to be lifted from the lifting part.

The locking state of the lifting part is kept through the arrangement of the retaining mechanism, namely the lifting mechanism can be normally used when the contracting brake function of the first power source 311 is damaged or the first power source 311 does not have the contracting brake function.

EXAMPLE III

In this embodiment, the same portions as those in the first and second embodiments are given the same reference numerals, and the same description is omitted.

As shown in fig. 6, compared with the first and second embodiments, the hoisting mechanism provided in this embodiment further has the following distinctive structural design:

the pushing part is an expansion part 332, and two ends of the expansion part 332 are respectively connected with the hanging seat 1 and the holding part 32. Wherein, the telescopic member 332 has no tendency to generate lateral displacement, and the telescopic member 332 can be one, two, etc. Preferably, the telescopic member 332 is one or a combination of several of a cylinder, an oil cylinder and a telescopic rod. In this embodiment, the number of the telescopic members 332 is one, and the telescopic members are installed in the middle of the limiting seat. One end of the telescopic part 332 is connected with the hanging seat 1 through the supporting block 4, and the other end is connected with the limiting seat.

the process that the hoisting mechanism grabs the object to be hoisted is as follows: the lifting part is in an open state before grabbing the object to be lifted, the opening angle of the automatic claw 2 is enlarged through the guide section 21, the object to be lifted can automatically enter the accommodating section 23 through the guide section 21, the lifting seat 1 continues to move downwards, the automatic claw 2 which is oppositely arranged is driven to rotate by the first power source 311 in a reverse rotation or forward rotation mode, the automatic claw 2 abuts against the abutting block 323 of the retaining piece 32 in the rotating process, the abutting block 323 moves upwards under the contraction action of the elastic piece 331 until the automatic claw 2 is separated from the abutting block 323 of the retaining piece 32, meanwhile, the telescopic piece 332 pushes the stopping block 322 to move downwards to be locked with the locking section 22 of the automatic claw 2, and the lifting mechanism achieves self-clamping locking and prevents the object to be lifted from being separated from the lifting part.

And (3) releasing the object to be hung: after the hoisting is carried out to a specified position, after a hoisted object contacts the ground or other supporting points, the telescopic piece 332 drives the stopping block 322 to move upwards to release the locking state of the stopping block 322 and the locking section 22 of the automatic clamping jaw 2, and when the locking state is released, the power source I311 rotates forwards or reversely to drive the automatic clamping jaw 2 to partially extend out of the hoisting seat to be in an open state; and lifting the lifting seat 1, and releasing the object to be lifted from the lifting part.

The telescopic member 332 is in an extended state under the action of the gravity of the retaining member 32 to push the retaining member 32 to move downward, and the telescopic member 332 is in a contracted state under the action of the upward interference force to drive the retaining member 32 to move upward. Or; the telescopic member 332 is an automatic telescopic member capable of automatically contracting and extending, the telescopic member 332 automatically contracts to drive the holder 32 to move upwards, and the telescopic member 332 automatically extends to drive the holder 32 to move downwards, wherein the matching action of the telescopic member 332 and the first power source 311 is realized through program setting in the prior art, for example, through sensor detection, control system execution and the like, which are not described herein too much.

Example four

As shown in fig. 7, compared to the first embodiment, the hoisting mechanism provided in the present embodiment has a different structural design:

the linkage part comprises a second power source 34, one end of the second power source 34 is fixedly connected with the lifting seat 1, the other end of the second power source is hinged with the automatic claw 2 of the lifting part through a revolute pair mechanism 35, and the second power source 34 can pull or push the lifting part to open and/or close along the central line of the open slot.

Further, the revolute pair mechanism 35 comprises a fixed disc 351 fixedly connected with one end of the second power source 34 and a sliding arm 352 hinged on the fixed disc 351, the sliding arm 352 is hinged with the automatic claw 2 of the lifting part, and the second power source 34 can move along the central line of the open slot and can pull or push the lifting part to open and/or close in the moving process.

Further, the sliding arms 352 correspond to the jaws one by one, wherein the second power source 34 may be an electric telescopic rod, a hydraulic cylinder, or the like capable of controlling the extension and retraction.

the process that the hoisting mechanism grabs the object to be hoisted is as follows: the lifting part is opened to be in an open state before grabbing the object to be lifted, the claw part is pulled by the sliding arm 352 to extend out of the lifting seat 1 to be in the open state when the power source II 34 contracts, the opening angle of the claw is enlarged through the guide section 21, the object to be lifted can automatically enter the accommodating section 23 through the guide section 21 conveniently, the power source II 34 extends to push the locking section 22 of the oppositely arranged claw to be in a parallel position through the sliding arm 352, and at the moment, the lifting part is in a locking state.

And (3) releasing the object to be hung: after the lifting is carried out to the designated position, the object to be lifted contacts the ground or other supporting points, and when the second power source 34 contracts, the sliding arm 352 pulls the claw part to extend out of the lifting seat 1 to be in an open state. And lifting the lifting seat 1, and releasing the object to be lifted from the lifting part.

Wherein the second power source 34 is contracted or extended to open or close the lifting part, which can be realized by a manual operation system, or by program setting in the prior art, for example, by sensor detection, and the control system executes

EXAMPLE five

Except the above-mentioned mechanism of lifting by crane, the utility model discloses still provide a lift by crane equipment, including the above-mentioned mechanism of lifting by crane.

Furthermore, the hoisting mechanism is provided with a connecting part 5, and the connecting part 5 is connected with the hoisting device through a rope or a connecting rod.

The lifting equipment provided by the embodiment has the functions of automatically grabbing and releasing the object to be lifted, and the lifting efficiency is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hoisting mechanism is characterized by comprising a hoisting part, a hoisting seat and a linkage part,

2. The hoisting mechanism of claim 1, wherein the automatic claw is hinged with a claw piece at two sides of the notch of the open slot;

3. The hoisting mechanism as claimed in claim 2, wherein the driving mechanism comprises two power sources one, and the two power sources one are respectively installed at two sides of the open slot and respectively drive one of the claw pieces to deflect.

4. A hoisting mechanism according to claim 3, wherein said power source is a motor with a band-type brake function.

5. A hoisting mechanism according to claim 3, wherein said linkage portion further comprises a holding mechanism including a holding member mounted on the hanger base and slidable in a depth direction of the open groove, said automatic claw being disengaged from said holding member when the automatic claw of said hoisting portion is in an open state; and when the automatic clamping jaw of the lifting part is in a locked state, the automatic clamping jaw is abutted and locked with the retaining piece.

6. The hoisting mechanism of claim 5, wherein the retaining mechanism further comprises an abutting member, and two ends of the abutting member respectively abut against the hoisting seat and the retaining member;

the pushing part comprises an elastic part, two ends of the elastic part are respectively abutted against the hanging seat and the retaining part, and the pushing retaining part slides along the open slot; the pushing piece also comprises a guide post, the guide post is arranged on the hanging seat or the retaining piece, and the corresponding retaining piece or the hanging seat is provided with a through hole which is matched with the through hole;

or the pushing part comprises an expansion part, and two ends of the expansion part are respectively connected with the hanging seat and the retaining part.

7. A hoisting mechanism according to claim 6, wherein said resilient member is mounted on the guide post.

8. A hoisting mechanism as claimed in claim 6, wherein the telescopic member is one or a combination of cylinders, cylinders and telescopic rods.

9. The hoisting mechanism according to claim 2, wherein the automatic claw is hinged with at least one claw hook body at two sides of the opening of the open slot.

10. A hoisting mechanism according to claim 9, wherein the grapple bodies on both sides are arranged in a staggered relationship with respect to each other.

11. A lifting mechanism according to claim 9, wherein the grapple body is substantially "L" shaped or circular arc shaped and includes a bottom seal portion and a side seal portion, and the lifting portion is locked when the bottom seal portions of the two automatic grapples are engaged; when the side sealing parts on the automatic clamping claws on the two sides are combined, the lifting part is in an open state;

12. The hoisting mechanism according to claim 2, wherein the linkage part comprises a second power source, one end of the second power source is fixedly connected with the hoisting base, the other end of the second power source is hinged to the automatic claw of the hoisting part through a revolute pair mechanism, and the second power source can pull or push the automatic claw of the hoisting part to open and/or close along the central line of the open slot.

13. A hoisting device comprising a hoisting mechanism according to any one of claims 1-12.