CN218231523U

CN218231523U - Lifting appliance

Info

Publication number: CN218231523U
Application number: CN202222449012.5U
Authority: CN
Inventors: 韩永力
Original assignee: Jiangsu Daming Industrial Technology Group Co ltd
Current assignee: Jiangsu Daming Industrial Technology Group Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-06
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a lifting appliance, including the crane boom, the crane boom top surface is provided with the lug, is provided with two crossbeams under the crane boom, all is provided with two C shape lifting claws on each crossbeam, and the crossbeam all is connected with the crane boom through the driving medium with two lifting claws that are located above that, is provided with the telescoping device between two driving mediums, and when the telescoping device is flexible, the lifting claw through on two crossbeams of driving medium control opens and shuts. The utility model discloses fixed stable structure of constituteing between crossbeam and the lifting claw, connect crane boom and lifting claw and crossbeam through the driving medium, make the whole stable structure that has of hoist, promoted the stability of hoist, open and shut through telescoping device control lifting claw, realize the hoist and mount to the steel sheet, promoted the convenient degree that the hoist used, it is fixed to realize the centre gripping to the steel sheet from both sides through a plurality of C shape lifting claws, reduced the probability that the steel sheet takes place the slippage, promoted the reliability of hoist and mount.

Description

Lifting appliance

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a hoist.

Background

In the process of hoisting and transferring the existing steel plate, the steel plate with the thickness of less than 0.8mm is generally hoisted by adopting a hanging strip, and the steel plate with the thickness of more than 0.8mm is generally hoisted by adopting an L-shaped hook hoist; hanging straps need to be arranged in a penetrating mode when the steel plate is hoisted by the hanging straps, and in the hoisting process, the hanging straps are soft, so that shaking is easy to occur, and the hoisting stability is poor; for L shape hook hoist, by two sets of L shape hooks, 4 chains and 1 gallows constitute, two sets of L shape hooks pass through the chain and connect in gallows both sides below, need the manpower to fix and break away from L shape hook when this hoist uses to L shape hook takes place the slippage easily among the hoist and mount process, and is dangerous great.

Therefore, a lifting appliance is needed to solve the problems of the lifting appliance and realize safe and stable lifting of the steel plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting appliance to solve current lifting appliance hoist and mount steel sheet poor stability, use inconvenient technical problem.

In order to achieve the above object, the utility model discloses a concrete technical scheme of hoist as follows:

the lifting appliance comprises a lifting frame, lifting lugs are arranged on the top surface of the lifting frame, two cross beams are arranged under the lifting frame, two C-shaped lifting claws are arranged on each cross beam, the cross beams and the lifting claws located on the cross beams are connected with the lifting frame through transmission parts, two telescopic devices are arranged between the transmission parts, and when the telescopic devices stretch out and draw back, the transmission parts control the lifting claws on the cross beams to open and close.

Preferably, in order to realize the opening and closing of the lifting claw, the transmission part comprises a hard connecting rod and two slings, the cross beam is hinged to the hoisting frame through the connecting rod, the lifting claw is connected to the hoisting frame through the slings, the telescopic device is an electric push rod, and two ends of the electric push rod are hinged to the two connecting rods respectively.

Preferably, in order to realize the disassembly and assembly between the lifting claw and the cross beam and improve the convenience of maintenance of the lifting appliance, the cross beam is provided with a mounting hole, a stud is fixed on the lifting claw, a nut is in threaded connection with the stud, and the stud is fixed in the mounting hole by the nut.

Preferably, in order to improve the strength of the cross beam and simultaneously improve the firmness of the connection between the cross beam and the lifting claw, the cross beam is of an L-shaped structure, and comprises a horizontal part and a vertical part, wherein the horizontal part is abutted against the top surface of the lifting claw, and the vertical part is abutted against the middle part of the lifting claw.

Preferably, in order to improve the firmness of hoisting and installation, the installation hole is formed in the vertical part, the stud is fixed to the side face, close to the vertical part, of the lifting claw, a hook is arranged on the top face of the lifting claw, and the side edge of the horizontal part is arranged on the inner side of an opening of the hook.

Preferably, in order to adjust the position of the lifting claw on the cross beam and improve the using convenience of the lifting appliance, the number of the mounting holes is multiple, each mounting hole is formed in the vertical portion, and the mounting holes are arranged at equal intervals along the distribution direction of the cross beam.

Preferably, in order to improve the stability of the lifting claw, the bottom end of the sling is fixedly connected with the open end of the top surface of the lifting claw, and the top end of the sling is detachably connected with the hoisting frame.

Preferably, in order to realize the dismouting between hoist cable and the crane boom, and then promote the convenient degree of hoist and mount dismouting, be fixed with the adapter sleeve on the crane boom, the top of hoist cable is fixed with the U-shaped connecting seat, the adapter sleeve sets up inside the U-shaped opening of connecting seat, it has the round pin axle to peg graft in the adapter sleeve, the both ends of round pin axle run through respectively the both sides lateral wall of connecting seat.

Preferably, in order to enable the sling to adjust the position of the sling according to the position of the lifting claw and realize stable support of the lifting claw, the number of the connecting sleeves is multiple, and the connecting sleeves are arranged at the bottom of the hoisting frame at equal intervals along the distribution direction of the cross beams.

The utility model discloses a hoist has following advantage: the crossbeam and hang and fix between the claw and form stable structure, connect crane boom and lifting claw and crossbeam through the driving medium, make the hoist wholly have stable structure, promoted the stability of hoist, open and shut through telescoping device control lifting claw, realize the hoist and mount to the steel sheet, promoted the convenient degree that the hoist used, it is fixed to the centre gripping of steel sheet to realize from both sides through a plurality of C shape lifting claws, reduced the probability that the slippage takes place for the steel sheet, promoted the reliability of hoist and mount.

Drawings

Fig. 1 is a front view of a spreader of the present invention;

fig. 2 is a left side view of the spreader of the present invention;

fig. 3 is a schematic view of the mounting structure of the lifting claw of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

the symbols in the figure illustrate: 1. a hoisting frame; 2. lifting lugs; 3. a connecting rod; 4. a sling; 5. an electric push rod; 6. a cross beam; 7. a lifting claw; 8. mounting holes; 9. hooking; 10. connecting sleeves; 11. a connecting seat; 12. a pin shaft; 13. a stud; 14. and a nut.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1-2, a lifting appliance comprises a hoisting frame 1, wherein a lifting lug 2 is arranged on the top surface of the hoisting frame 1, two cross beams 6 are arranged under the hoisting frame 1, the two cross beams 6 are parallel to each other, two C-shaped lifting claws 7 are arranged on each cross beam 6, each cross beam 6 is hinged to the hoisting frame 1 through a hard connecting rod 3, each lifting claw 7 is connected with the hoisting frame 1 through a sling 4, an electric push rod 5 is arranged between the two connecting rods 3 respectively connected with the two cross beams 6, and two ends of the electric push rod 5 are hinged to the middle points of the two cross beams 6 respectively.

When in use, the cross beams 6 are fixed through the connecting rod 3, the lifting claws 7 are reinforced through the slings 4, the electric push rod 5 pushes the connecting rod 3 to rotate, then the two cross beams 6 are controlled to be away from or close to each other through the connecting rod 3, so that the opening and closing of the lifting claws 7 on the cross beams 6 are realized, the opening direction of the lifting claws 7 is always in the horizontal direction in the opening and closing process through the arrangement of the connecting rod 3 and the slings 4, the lifting claws 7 can clamp the side edges of the steel plates from two sides by controlling the opening and closing of the lifting claws 7, and simultaneously the side edges of the steel plates can be clamped at the inner sides of the lifting claws 7, the reinforcing of the lifting claws 7 is realized through the connecting rods 3 and the slings 4, the stability of the lifting claws 7 is greatly improved, and the lifting stability of the lifting appliance is further improved, two lifting claws 7 are arranged on each cross beam 6, the multi-point fixing of the steel plate is realized through a plurality of lifting claws 7, the stability of hoist and mount steel sheet has further been promoted, and a plurality of lifting claw 7 realize locking the steel sheet from both sides simultaneously, have reduced the probability that takes place to break away from between steel sheet and the lifting claw 7, have guaranteed the reliability of hoist and mount.

During the long-term use of the lifting claw 7, the lifting claw 7 needs to be maintained and replaced, therefore, as shown in fig. 3-4, the cross section of the cross beam 6 is of an L-shaped structure, the structure can improve the supporting strength of the cross beam 6, the cross beam 6 comprises a horizontal part and a vertical part, the horizontal part is abutted against the top surface of the lifting claw 7, the vertical part is abutted against the middle part of the lifting claw 7, a mounting hole 8 is formed in the vertical part, a stud 13 is fixed on the side surface of the lifting claw 7 adjacent to the vertical part, a hook 9 is arranged on the top surface of the lifting claw 7, the side edge of the horizontal part is arranged inside the opening of the hook 9, the bottom end of the sling 4 is fixedly connected with the opening end of the top surface of the lifting claw 7, a connecting sleeve 10 is fixed on the lifting frame 1, a U-shaped connecting seat 11 is fixed at the top end of the sling 4, the connecting sleeve 10 is arranged inside the U-shaped opening of the connecting seat 11, a pin 12 is inserted in the connecting sleeve 10, and two ends of the pin 12 respectively penetrate through the side walls on two sides of the connecting seat 11.

During the use, loosen nut 14, can separate between lifting claw 7 and crossbeam 6, realize the dismouting maintenance of lifting claw 7, dismantle round pin axle 12 simultaneously, can be with the separation between connecting seat 11 and the adapter sleeve 10, realize the separation between hoist cable 4 and the crane boom 1, and then can pull down lifting claw 7 and maintain the change, when lifting claw 7 is connected with crossbeam 6, couple 9 is connected with crossbeam 6, can bear vertical effort, nut 14 and double-screw bolt 13 realize the fixed of lifting claw 7 with crossbeam 6, can prevent to take place to break away from between couple 9 and the crossbeam 6 simultaneously, consolidate through two positions of connection between lifting claw 7 and the crossbeam 6, can promote the firmness of both connections, crossbeam 6 plays the effect of fixed lifting claw 7 terminal, and lifting claw 7 front end is fixed through hoist cable 4, the stability of lifting claw 7 has been promoted greatly.

In the time of in-service use, because the change of steel sheet size, the lifting jaw 7 hoisting point position will change, consequently, need adjust the mounted position of lifting jaw 7 on crossbeam 6, the quantity of mounting hole 8 is a plurality of, each mounting hole 8 all sets up on vertical portion, each mounting hole 8 is arranged along crossbeam 6 distribution direction equidistant, the quantity of adapter sleeve 10 is a plurality of, and adapter sleeve 10 is arranged in crane boom 1 bottom along crossbeam 6 distribution direction equidistant, the quantity of adapter sleeve 10 is equal and the one-to-one with the quantity of mounting hole 8.

When adjusting lifting claw 7 position, will lifting claw 7 and crossbeam 6 separation, make hoist cable 4 and crane boom 1 separation simultaneously, later after will lifting claw 7 adjusts the suitable position of crossbeam 6, fix once more, adjust hoist cable 4 and crane boom 1's tie point to the relevant position simultaneously, be in vertical state when making hoist cable 4 use, guarantee the stability of hoist and mount, guarantee lifting claw 7 opening angle simultaneously and be the level, be convenient for hoist and mount, through adjusting lifting claw 7 position, make the hoist can be applicable to different hoist and mount operating modes, the practicality of hoist has been promoted.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a lifting appliance, includes crane boom (1), crane boom (1) top surface is provided with lug (2), its characterized in that:

two cross beams (6) are arranged under the hoisting frame (1), two C-shaped hoisting claws (7) are arranged on each cross beam (6), the cross beams (6) and the two hoisting claws (7) positioned on the cross beams are connected with the hoisting frame (1) through transmission parts, a telescopic device is arranged between the transmission parts, and when the telescopic device is telescopic, the transmission parts control the two hoisting claws (7) on the cross beams (6) to open and close.

2. The spreader according to claim 1, wherein the transmission member comprises a hard connecting rod (3) and two slings (4), the cross beam (6) is hinged to the hoisting frame (1) through the connecting rod (3), the lifting claws (7) are connected to the hoisting frame (1) through the slings (4), the telescopic device is an electric push rod (5), and two ends of the electric push rod (5) are hinged to the two connecting rods (3) respectively.

3. The lifting appliance according to claim 2, wherein the cross beam (6) is provided with a mounting hole (8), the lifting claw (7) is fixed with a stud (13), the stud (13) is connected with a nut (14) in a threaded manner, and the nut (14) fixes the stud (13) in the mounting hole (8).

4. A spreader according to claim 3, wherein the cross-beam (6) has an L-shaped cross-section, the cross-beam (6) comprising a horizontal portion abutting a top surface of the lifting claw (7) and a vertical portion abutting a middle portion of the lifting claw (7).

5. The spreader according to claim 4, characterized in that the mounting hole (8) opens on the vertical part, the stud (13) is fixed to the side of the lifting claw (7) adjacent to the vertical part, the top surface of the lifting claw (7) is provided with a hook (9), and the side edge of the horizontal part is provided inside the opening of the hook (9).

6. The spreader according to claim 5, wherein the vertical portion is separately provided with a plurality of mounting holes (8), and the mounting holes (8) are arranged at equal intervals along the distribution direction of the cross beam (6).

7. A spreader according to claim 2, wherein the bottom end of the sling (4) is fixedly connected to the open end of the top surface of the lifting claw (7), and the top end of the sling (4) is detachably connected to the hoisting frame (1).

8. The lifting appliance according to claim 7, wherein a connecting sleeve (10) is fixed on the hoisting frame (1), a U-shaped connecting seat (11) is defined at the top end of the lifting rope (4), the connecting sleeve (10) is arranged in the U-shaped opening of the connecting seat (11), a pin shaft (12) is inserted into the connecting sleeve (10), and two ends of the pin shaft (12) respectively penetrate through two side walls of the connecting seat (11).

9. A spreader according to claim 8, characterised in that the number of connecting sleeves (10) is a plurality and that the connecting sleeves (10) are arranged at equal intervals at the bottom of the hoisting frame (1) in the direction of distribution of the cross beams (6).