CN110342390B - Lifting hook assembly quality - Google Patents

Abstract

The invention provides a lifting hook assembling device which comprises a clamping frame, brackets, clamping devices, supporting devices and spring devices and is characterized in that a plurality of hinged parts are respectively arranged on the frame of the clamping frame, the clamping devices are respectively and movably hinged with the hinged parts, the supporting devices and the spring devices are respectively arranged on the upper top surface of the clamping frame, the clamping devices and the brackets are mutually clamped, and the spring devices are hinged with the clamping devices. According to the lifting hook assembling device, the spring device is matched with the clamping device in a coordinated mode, so that the clamping device and the bracket can be clamped or loosened quickly, and meanwhile, the limiting seat can be quickly switched on the limiting plate under the control of the locking adjusting device, and the purposes of fastening, locking and unlocking are achieved.

Description

Lifting hook assembly quality

Technical Field

The invention relates to the field of hoisting devices, in particular to a lifting hook assembly device.

Background

In the existing processing, carrying and machining process, the mechanical arm is used for carrying in the actual production process besides manual carrying, so that the labor intensity of workers is reduced, and the production efficiency is improved.

For example, CN208071114U prior art discloses a clamping device for hoisting sponge, when sponge is processed, in order to meet the processing requirements of different stations, a large piece of sponge needs to be transferred by using the clamping device. The existing sponge hoisting mechanism is used for clamping two sides of a sponge generally when the sponge is clamped, and the sponge is soft in texture, so that the sponge is easy to fall off because the bottom of the sponge is not supported when the sponge is hoisted and transferred on two sides of the sponge.

Another typical clamping crane disclosed in the prior art, such as US20110299648a1, is frequently used as a crown block or a crane to facilitate installation and transportation of large parts, but when the crown block or the crane is used, the parts are usually fixed and then lifted, and particularly when the cylindrical parts are lifted, the fixing is inconvenient, and there is a disadvantage that the parts are easily locked or changed during the fixing, which reduces the production efficiency of enterprises, and may cause safety accidents when operators fix the parts.

Turning to the prior art, such as that disclosed in JP63299937, a movable platform for transferring objects is located under a structure having a lifting device, the accuracy of observation is not high, and at the same time, if the distance of observation is long, the requirement for accuracy is high because the extendable arm must be long, which requires the platform to be made large, and thus the cost is increased.

The invention aims to solve the problems that the clamping effect is poor, the falling is easy to occur, the clamping precision is not high, the platform is too large and is not beneficial to production, the switch conversion process is not easy and the like which commonly exist in the field.

Disclosure of Invention

The invention aims to provide a lifting hook assembling device aiming at the defects of the conventional lifting hook equipment device.

In order to overcome the defects of the prior art, the invention adopts the following technical scheme:

the lifting hook assembling device comprises a clamping frame, a bracket, clamping devices, supporting devices and a spring device, wherein a plurality of hinged portions are arranged on a frame of the clamping frame respectively, the clamping devices are movably hinged with the hinged portions respectively, the supporting devices and the spring device are arranged on the upper top surface of the clamping frame respectively, the clamping devices are clamped with the bracket, and the spring device is hinged with the clamping devices.

Optionally, the spring assembly includes movable block, riser, spring rod, spring, limiting plate, spacing seat and locking adjusting device, the spring rod respectively with the spring spacing seat locking adjusting device is coaxial to be set up, the spring rod be close to spacing seat one end with movable block fixed connection, locking adjusting device nestification be in on the spring rod and along the axial slip of spring rod, the limiting plate sets up the last top surface of holding frame and with the perpendicular fixed connection of last top surface of holding frame, be equipped with spacing seat between the limiting plate, be equipped with the first recess of a plurality of on the limiting plate, spacing seat symmetry is equipped with first arch, first arch and each first recess joint each other, the riser with the limiting plate is parallel, the riser with the movable block is articulated.

Optionally, the clamping device comprises a limiting rod, a plurality of transverse rods and a plurality of hooking rods, the limiting rod is arranged on the upper top surface of the clamping frame and hinged to one end of each transverse rod, the other end of each transverse rod is fixedly connected with one end of each hooking rod, the hooking rods are hinged to the hinging portions respectively, and hook mouths are arranged at the other ends of the hooking rods and are arranged oppositely.

Optionally, the supporting device includes a plurality of supporting rods, one end of each supporting rod is fixedly connected to the frame of the holding frame, the other end of each supporting rod of the supporting device is connected to a fixing plate, the fixing plate is parallel to the holding frame, a hanging plate is disposed on one side of the fixing plate away from the holding frame, the hanging plate is vertically fixed to the fixing plate, and a first through hole is disposed on the hanging plate.

Optionally, the bracket includes chassis, guardrail and a plurality of hangers, the guardrail with the perpendicular fixed connection of chassis, the guardrail towards one side of chassis stretches out perpendicularly, the guardrail is kept away from one side of chassis is equipped with a plurality of the hangers, each the hangers symmetry respectively sets up.

Optionally, one end of the movable block, which is far away from the spring rod, is provided with a second through hole, the second through hole is perpendicular to the axis of the spring rod, and the second through hole is nested with the limiting rod.

Optionally, one end of the spring abuts against the upper top surface of the limiting seat, and the other end of the spring abuts against the lower bottom surface of the locking and adjusting device.

Optionally, a limiting protrusion is arranged on the spring rod, and the limiting protrusion is arranged on the periphery of the spring rod and is vertically and fixedly connected with the spring rod.

Optionally, each of the hinge portions is disposed on the outer frame of the clamping frame and is fixedly connected to the clamping frame, each of the hinge portions protrudes toward one side of the clamping frame, each of the hinge portions includes two protection plates and a third through hole, the two protection plates are disposed in parallel to form a second groove, and the third through hole vertically penetrates through the two protection plates.

Optionally, the locking adjusting device includes a limiting ring, a pull rod and a lock rod, the limiting ring is nested with the spring rod and slides along the axial direction of the spring rod, one end of the pull rod is hinged to the limiting seat, a rod body of the pull rod is parallel to the limiting ring, and the other end of the pull rod is hinged to the lock rod.

The beneficial effects obtained by the invention are as follows:

1. through the clamping operation of the clamping device, the hook rod can be tightly clamped with the bracket, the safety in carrying is ensured, and the whole device has larger bearing capacity;

2. the clamping device and the bracket can be clamped or loosened quickly by adopting the coordinated matching of the spring device and the clamping device, and meanwhile, the limit seat can be quickly switched on the limit plate by utilizing the control of the locking adjusting device, so that the purposes of fastening, locking and unlocking are achieved;

3. the bracket is matched with the clamping device and used in a matched mode, efficient carrying is achieved in a locked state, and meanwhile opening and closing operations of the hook rod are achieved through switching of opening and closing of the locking adjusting device.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is a schematic structural view of a hook assembling device of the present invention.

Fig. 2 is a schematic view of a hook assembly of the present invention shown at B in fig. 1.

Fig. 3 is a left side view of a hook assembly of the present invention.

Figure 4 is a partial cross-sectional view of a hook assembly according to the present invention.

Fig. 5 is a schematic structural diagram at a in fig. 4 according to the present invention.

Fig. 6 is a right side view of the support means of a hook assembly according to the present invention.

Fig. 7 is a schematic view of the support means of a hook assembly according to the present invention.

Fig. 8 is a schematic view of the structure of the guard rail of a hook assembly of the present invention.

Figure 9 is a right side view of the guardrail of a hook assembly of the present invention.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper" and "lower" and "left" and "right" etc., it is only for convenience of description and simplification of the description based on the orientation or positional relationship shown in the drawings, but it is not indicated or implied that the device or assembly referred to must have a specific orientation.

The first embodiment is as follows: the lifting hook assembling device comprises a clamping frame 4, a bracket, clamping devices, supporting devices 3 and spring devices 7, wherein the frame of the clamping frame 4 is provided with a plurality of hinged parts 2 respectively, each clamping device is movably hinged with each hinged part 2, each supporting device 3 and each spring device 7 are arranged on the upper top surface of the clamping frame 4 respectively, each clamping device is connected with the bracket 1 in a clamped mode, and each spring device 7 is hinged with each clamping device. The spring device 7 comprises a movable block 16, a vertical plate 21, a spring rod 15, a spring 13, a limiting plate 18, a limiting seat 19 and a locking adjusting device 14, wherein the spring rod 15 is coaxially arranged with the spring 13, the limiting seat 19 and the locking adjusting device 14 respectively, one end of the spring rod 15 close to the limiting seat 19 is fixedly connected with the movable block 16, the locking adjusting device 14 is embedded on the spring rod 15 and slides along the axial direction of the spring rod 15, the limiting plate 18 is arranged on the upper top surface of the clamping frame 4 and is vertically and fixedly connected with the upper top surface of the clamping frame 4, the limiting seat 19 is arranged between the limiting plates 18, a plurality of first grooves are arranged on the limiting plate 18, first bulges are symmetrically arranged on the limiting seat 19 and are mutually clamped with the first grooves, the vertical plate 21 is parallel to the limiting plate 18, the vertical plate 21 is hinged with the movable block 16. The clamping device comprises a limiting rod 17, a plurality of cross rods 5 and a plurality of hook rods 6, wherein the limiting rod 17 is arranged on the upper top surface of the clamping frame 4 and hinged with one end of each cross rod 5, the other end of each cross rod 5 is respectively fixedly connected with one end of each hook rod 6, each hook rod 6 is further hinged with each hinged portion 2, and each hook rod 6 is provided with a hook mouth at the other end and is arranged oppositely to the hook mouth of the hook rod 6. The supporting device 3 comprises a plurality of supporting rods, one end of each supporting rod is fixedly connected with the frame of the clamping frame 4, the other end of each supporting rod of the supporting device 3 is connected with a fixing plate 9, the fixing plate 9 is parallel to the clamping frame 4, a lifting plate 8 is arranged on one side, away from the clamping frame 4, of the fixing plate 9, the lifting plate 8 is vertically fixed on the fixing plate 9, and a first through hole is formed in the lifting plate 8. The bracket 1 comprises an underframe, a guardrail 20 and a plurality of hangers 10, wherein the guardrail 20 is fixedly connected with the underframe in a vertical manner, the guardrail 20 extends out of one side of the underframe in a vertical manner, the guardrail 20 is far away from one side of the underframe and is provided with the hangers 10, and the hangers 10 are symmetrically arranged respectively. One end, far away from the spring rod 15, of the movable block 16 is provided with a second through hole, the second through hole is perpendicular to the axis of the spring rod 15, and the second through hole is nested with the limiting rod 17. One end of the spring 13 abuts against the upper top surface of the limiting seat 19, and the other end of the spring 13 abuts against the lower bottom surface of the locking and adjusting device 14. The spring rod 15 is provided with a limiting bulge 12, and the limiting bulge 12 is arranged on the periphery of the spring rod 15 and is vertically and fixedly connected with the spring rod 15. Each hinge part is arranged on the outer frame of the clamping frame 4 and is fixedly connected with the clamping frame 4, each hinge part 2 protrudes towards one side of the clamping frame 4, each hinge part 2 comprises two protection plates and a third through hole, the two protection plates are arranged in parallel to form a second groove, and the third through hole vertically penetrates through the two protection plates. The locking adjusting device 14 comprises a limiting ring 22, a pull rod 23 and a lock rod 24, the limiting ring 22 is nested with the spring rod 15 and slides along the axial direction of the spring rod 15, one end of the pull rod 23 is hinged to the limiting seat 19, the rod body of the pull rod 23 is parallel to the limiting ring 22, and the other end of the pull rod 23 is hinged to the lock rod 24.

Example two: the utility model provides a lifting hook assembly quality, includes holding frame 4, bracket 1, clamping device, strutting arrangement 3 and spring assembly 7, the frame of holding frame 4 is equipped with a plurality of articulated portions 2 respectively, clamping device respectively with each articulated portion 2 activity hinge joint, strutting arrangement 3 with spring assembly 7 sets up respectively the last top surface of holding frame 4, clamping device with bracket 1 mutual joint, spring assembly 7 with clamping device is articulated. Specifically, the holding frame 4 is fixedly connected to the supporting device 3, each of the supporting devices 3 is provided with an obtuse angle between the outer angle formed by the supporting rod and the holding frame 4, and in this embodiment, each of the supporting rods is provided with an obtuse angle between 100 degrees and 140 degrees with respect to the obtuse angle of the holding frame 4. The hinge portion 2 at the top of the holder 4 can be provided at an arbitrary position of the hinge portion. In the embodiment, the frame is preferably arranged at four corners of the frame, so that the frame is convenient to be matched with a bracket for use. The bracket 1 comprises an underframe, a guardrail 20 and a plurality of hangers 10, wherein the guardrail 20 is fixedly connected with the underframe in a vertical manner, the guardrail 20 extends out of one side of the underframe in a vertical manner, the guardrail 20 is far away from one side of the underframe and is provided with the hangers 10, and the hangers 10 are symmetrically arranged respectively. Specifically, each of the hangers 10 of the bracket is respectively disposed on a frame of the guardrail, the hangers 10 are U-shaped, and in the process of fixedly connecting with the guardrail 20, the hangers 10 are inverted and fixedly connected with the guardrail 20, that is, U-shaped edges of the hangers 10 are respectively and fixedly connected to the outer sides of the frames. In addition, the upper top surfaces of the hanging lugs 10 are all arranged in a flush manner. In addition, the trays can be stacked and transported by using the hook assembling device of the present invention, and in this embodiment, two layers of trays are preferably stacked.

The spring device 7 comprises a movable block 16, a vertical plate 21, a spring rod 15, a spring 13, a limiting plate 18, a limiting seat 19 and a locking adjusting device 14, wherein the spring rod 15 is coaxially arranged with the spring 13, the limiting seat 19 and the locking adjusting device 14 respectively, one end of the spring rod 15 close to the limiting seat 19 is fixedly connected with the movable block 16, the locking adjusting device 14 is embedded on the spring rod 15 and slides along the axial direction of the spring rod 15, the limiting plate 18 is arranged on the upper top surface of the clamping frame 4 and is vertically and fixedly connected with the upper top surface of the clamping frame 4, the limiting seat 19 is arranged between the limiting plates 18, a plurality of first grooves are arranged on the limiting plate 18, first bulges are symmetrically arranged on the limiting seat 19 and are mutually clamped with the first grooves, the vertical plate 21 is parallel to the limiting plate 18, the vertical plate 21 is hinged with the movable block 16. One end of the spring 13 abuts against the upper top surface of the limiting seat 19, and the other end of the spring 13 abuts against the lower bottom surface of the locking and adjusting device 14. Specifically, when the spring device 7 rotates along the hinge hole of the vertical plate 21, in the rotating process, the first protrusion of the limiting seat 19 is clamped in the first groove of the limiting plate 18, and the clamping angle is changed to drive the clamping device to realize the opening and closing operations. In addition, the movable block 16 is provided with a folding groove 11, and the folding groove 11 enables the movable block 16 and the spring rod 15 to be connected in the process, so that the opening and closing operations of the clamping device can be realized more quickly, and meanwhile, the force for shifting the spring device 7 is saved. In addition, the locking adjusting device 14 comprises a limiting ring 22, a pull rod 23 and a lock rod 24, the limiting ring 22 is nested with the spring rod 15 and slides along the axial direction of the spring rod 15, one end of the pull rod 23 is hinged to the limiting seat 19, the rod body of the pull rod 23 is parallel to the limiting ring 22, and the other end of the pull rod 23 is hinged to the lock rod 24. Specifically, when the clamping device is switched from the open state to the closed state, the lock rod 24 of the locking adjustment device 14 rotates along the hinge point, and during the rotation, the limiting seat 19 is gradually switched from the locking state to the unlocking state, and at this time, the state of the clamping device can be controlled; when the first protrusions of the limiting seat 19 are switched between the first grooves of the limiting plate 18, the clamping device is opened and closed. The spring provides elasticity for the limiting seat 19, so that the limiting seat 19 can be tightly locked with the limiting plate 18 in the limiting process, and the hook rod 6 of the clamping device cannot deviate or be dislocated and is always tightly attached to the hanging lug 10.

In addition, a limiting bulge 12 is arranged on the spring rod 15, and the limiting bulge 12 is arranged on the periphery of the spring rod 15 and is vertically and fixedly connected with the spring rod 15. Specifically, the limiting protrusion can be used in cooperation with the lock rod 24, and on the other hand, interference cannot occur in the sliding process of the limiting ring 22, so that the elastic force of the spring 13 is too small or too large, and the situation that the conversion process is time-consuming and labor-consuming is caused. When the spring rod 15 slides, the spring rod stops moving immediately when contacting the limiting ring 22, so that the whole spring 13 and the whole limiting seat 19 cannot slide out of the spring rod 15.

The clamping device comprises a limiting rod 17, a plurality of cross rods 5 and a plurality of hook rods 6, wherein the limiting rod 17 is arranged on the upper top surface of the clamping frame 4 and hinged with one end of each cross rod 5, the other end of each cross rod 5 is respectively fixedly connected with one end of each hook rod 6, each hook rod 6 is further hinged with each hinged portion 2, and each hook rod 6 is provided with a hook mouth at the other end and is arranged oppositely to the hook mouth of the hook rod 6. Specifically, in the process of limiting and sliding the movable block 16 and the limiting rod 17, the limiting rod 17 drives each cross rod 5 to move and transmit the movement to each hook rod 6, and at this time, each hook rod 6 can be clamped or released. In other words, the action of the spring device 17 drives the action of the clamping device, and in particular, the limiting seat 19 of the spring device slides between the first grooves of the limiting plate 18, so that the hooking rod 6 of the clamping device is driven to have two states of opening and closing. When the first groove of the limiting seat 19 and the first groove of the limiting plate 18 are switched, the hook rod 6 is also switched on and off.

The supporting device 3 comprises a plurality of supporting rods, one end of each supporting rod is fixedly connected with the frame of the clamping frame 4, the other end of each supporting rod of the supporting device 3 is connected with a fixing plate 9, the fixing plate 9 is parallel to the clamping frame 4, a lifting plate 8 is arranged on one side, away from the clamping frame 4, of the fixing plate 9, the lifting plate 8 is vertically fixed on the fixing plate 9, and a first through hole is formed in the lifting plate 8. Specifically, the supporting device is convenient for the clamping device to move the object after clamping the object, and the supporting rods of the supporting device 3 share the stress of the whole clamping device. Meanwhile, the fixed plate 9 and the lifting plate 8 have the function of extremely easy carrying in the carrying process, and the lifting hook assembling device can be applied to more scenes and can also realize the function of efficient carrying. In addition, the hanging vertical plate and the fixing plate 9 are fixedly connected together through a rib plate, so that the whole hanging vertical plate 8 has strong bearing capacity, and can bear larger weight in the carrying process, thereby ensuring the effect of efficient carrying. Meanwhile, rib plates are also arranged between each support rod and the fixed plate, the rib plates at the positions are triangular structures, and the frames of the triangular structures are fixedly connected to the support rods and the fixed plates respectively.

One end, far away from the spring rod 15, of the movable block 16 is provided with a second through hole, the second through hole is perpendicular to the axis of the spring rod 15, and the second through hole is nested with the limiting rod 17. Specifically, the movable block 16 is driven by the movement of the spring rod 15 to move together with the movement of the limiting rod 17, and in the moving process, the limiting rod is hinged to the cross rod 5 of the clamping device, so that the cross rod 5 and the hook rod 6 are driven by the spring rod 15 to realize the clamping operation. In addition, a through hole formed in the movable block 16 is perpendicular to the axis of the spring rod 15, and meanwhile, when the limiting rod 17 is nested with the movable block 16, the limiting rod 17 is also perpendicular to the axis of the spring rod 15. In this embodiment, two ends of the limiting rod 17 are respectively hinged to one end of each cross rod.

Each hinge part is arranged on the outer frame of the clamping frame 4 and is fixedly connected with the clamping frame 4, each hinge part 2 protrudes towards one side of the clamping frame 4, each hinge part 2 comprises two protection plates and a third through hole, the two protection plates are arranged in parallel to form a second groove, and the third through hole vertically penetrates through the two protection plates. Specifically, the hinge portion 2 is hinged to the hook rod 6, and the hook rod 6 can rotate in a third groove of the hinge portion 2. In this embodiment, the hook rod 6 is hinged to the third through holes of the two guard plates through screws or bolts, the hinged hook rod 6 can rotate along the position of the hinge point, and in the rotating process, the hook rod 6 can be clamped and clamped.

In the third embodiment, on the basis of the second embodiment, the hanging lug 10 of the bracket 1 of the present embodiment may be replaced with a circular ring or a circular hole-shaped hanging hole, so that the bracket 10 can be prevented from shaking in the clamping process, the whole device falls off, and a safety accident is caused. In addition, the hook-shaped hook mouth of the hook rod 6 can be provided with a locking device, and the locking device can enable the hook rod 6 and the bracket 1 to be tightly grabbed, so that the hook rod 6 and the bracket 1 are effectively prevented from being separated. The hook rod 6 is directly purchased in the market by a person skilled in the art according to the shape and size of the hook rod 6 and is installed on the hook rod 6, so that the hook rod 6 can have a locking function, and therefore the locking device is not described in detail herein.

In conclusion, the hook assembling device provided by the invention has the advantages that the hook rod can be tightly clamped with the bracket through the clamping operation of the clamping device, so that the safety in carrying is ensured; the clamping device and the bracket can be clamped or loosened quickly by adopting the coordinated matching of the spring device and the clamping device, and meanwhile, the limit seat can be quickly switched on the limit plate by utilizing the control of the locking adjusting device, so that the purposes of fastening, locking and unlocking are achieved; the bracket is matched with the clamping device and used in a matched mode, efficient carrying is achieved in a locked state, and meanwhile opening and closing operations of the hook rod are achieved through switching of opening and closing of the locking adjusting device.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

In conclusion, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that these examples are illustrative only and are not intended to limit the scope of the invention. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.

Claims (8)

1. A lifting hook assembling device comprises a clamping frame (4), a bracket, a clamping device, a supporting device (3) and a spring device (7), and is characterized in that a plurality of hinged parts (2) are respectively arranged on the frame of the clamping frame (4), the clamping device is movably hinged with each hinged part (2), the supporting device (3) and the spring device (7) are respectively arranged on the upper top surface of the clamping frame (4), the clamping device and the bracket (1) are mutually clamped, and the spring device (7) is hinged with the clamping device; the spring device (7) comprises a movable block (16), a vertical plate (21), a spring rod (15), a spring (13), a limiting plate (18), a limiting seat (19) and a locking adjusting device (14), wherein the spring rod (15) is coaxially arranged with the spring (13), the limiting seat (19) and the locking adjusting device (14), one end, close to the limiting seat (19), of the spring rod (15) is fixedly connected with the movable block (16), the locking adjusting device (14) is embedded on the spring rod (15) and slides along the axial direction of the spring rod (15), the limiting plate (18) is arranged on the upper top surface of the clamping frame (4) and is vertically and fixedly connected with the upper top surface of the clamping frame (4), the limiting seat (19) is arranged between the limiting plates (18), and a plurality of first grooves are arranged on the limiting plate (18), the limiting seat (19) is symmetrically provided with first bulges, the first bulges are clamped with the first grooves, the vertical plate (21) is parallel to the limiting plate (18), and the vertical plate (21) is hinged with the movable block (16); the clamping device comprises a limiting rod (17), a plurality of cross rods (5) and a plurality of hook rods (6), the limiting rod (17) is arranged on the upper top surface of the clamping frame (4) and is hinged with one end of each cross rod (5), the other end of each cross rod (5) is fixedly connected with one end of each hook rod (6), and each hook rod (6) is hinged with each hinge part (2); one end, far away from the spring rod (15), of the movable block (16) is provided with a second through hole, the second through hole is perpendicular to the axis of the spring rod (15), and the second through hole is nested with the limiting rod (17).

2. A lifting hook assembly device as claimed in claim 1, characterised in that the other end of each hooking rod (6) is provided with a hook mouth, the hook mouths of each hooking rod (6) being arranged opposite one another.

3. A lifting hook assembly device as claimed in claim 1 or 2, wherein the supporting device (3) comprises a plurality of supporting rods, one end of each supporting rod is fixedly connected to the frame of the holding frame (4), the other end of each supporting rod of the supporting device (3) is connected to a fixing plate (9), the fixing plate (9) is parallel to the holding frame (4), a lifting plate (8) is arranged on one side of the fixing plate (9) far away from the holding frame (4), the lifting plate (8) is vertically fixed to the fixing plate (9), and a first through hole is formed in the lifting plate (8).

4. A lifting hook assembly according to claim 1 or 2, characterized in that the bracket (1) comprises a base frame, a guardrail (20) and a plurality of hanging lugs (10), the guardrail (20) is vertically and fixedly connected with the base frame, the guardrail (20) vertically extends towards one side of the base frame, the side of the guardrail (20) far away from the base frame is provided with a plurality of hanging lugs (10), and each hanging lug (10) is respectively and symmetrically arranged.

5. A lifting hook assembly as claimed in claim 1, characterised in that one end of the spring (13) abuts against the upper top surface of the retaining socket (19) and the other end of the spring (13) abuts against the lower bottom surface of the locking adjustment means (14).

6. A lifting hook assembly as claimed in claim 1, characterised in that the spring bar (15) is provided with a limiting protrusion (12), the limiting protrusion (12) being provided on the outer periphery of the spring bar (15) and being vertically and fixedly connected to the spring bar (15).

7. A lifting hook assembly device as claimed in claim 1 or 2, characterized in that each of the hinge parts is arranged at the outer frame of the holding frame (4) and is fixedly connected with the holding frame (4), each of the hinge parts (2) protrudes towards one side of the holding frame (4), each of the hinge parts (2) comprises two protecting plates arranged in parallel to form a second recess, and a third through hole vertically penetrating the two protecting plates.

8. A lifting hook assembly device as claimed in claim 1, characterised in that the locking adjustment device (14) comprises a limiting ring (22), a pull rod (23) and a lock rod (24), the limiting ring (22) is nested with the spring rod (15) and slides along the axial direction of the spring rod (15), one end of the pull rod (23) is hinged with the limiting seat (19), the rod body of the pull rod (23) is parallel with the limiting ring (22), and the other end of the pull rod (23) is hinged with the lock rod (24).

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