CN213505594U

CN213505594U - Rotatable crane hoisting tool

Info

Publication number: CN213505594U
Application number: CN202022604798.4U
Authority: CN
Inventors: 查晶军; 董俊; 王华刚
Original assignee: JIANGSU YUXING FILM TECHNOLOGY CO LTD
Current assignee: JIANGSU YUXING FILM TECHNOLOGY CO LTD
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-22
Anticipated expiration: 2030-11-11

Abstract

The utility model belongs to the technical field of hoisting apparatus technique and specifically relates to a rotatable driving hoisting apparatus, including last davit, lower davit and rotation axis, the both ends of going up the davit all are equipped with lewis hole one for be connected with the lifting hook of hoist, the both ends of davit all are equipped with lewis hole two down, are used for being connected with the article of waiting to lift by crane, the rotation axis is located between davit and the lower davit, and the both ends are fixed respectively at the middle part of last davit and lower davit, are used for through rotatory davit drive article rotation down. The utility model discloses a hoisting apparatus includes davit and lower davit, and the two is connected through the rotation axis in the middle of, fixes article in lewis hole two when lifting by crane, lifts by crane the back, under the circumstances that last davit keeps motionless, and the davit drives article rotation under can the direct rotation for double hook hoisting apparatus also can rotate the heavy article of hoisting, and is simple and convenient.

Description

Rotatable crane hoisting tool

Technical Field

The utility model belongs to the technical field of the hoist and mount apparatus technique and specifically relates to a rotatable driving hoist and mount apparatus.

Background

At present, double lifting hooks are used in travelling cranes of more than 20 tons, and the double lifting hooks can not freely rotate to hoist articles when hoisting articles, but some articles need to rotate and then perform next operation after being hoisted, for example, in the film production process, the film needs to be cut after being wound, the wound film is hoisted to a cutting position, according to the specific situation of the cutting position, the film can rotate 180 degrees and the turning direction can be adjusted, and under the condition, the existing double lifting hook lifting appliance can not meet the rotation requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current double lift hook hoist and mount apparatus can't rotate, the utility model provides a rotatable driving hoist and mount apparatus, this hoist and mount apparatus include davit and lower davit, and the two is connected through middle rotation axis, under the circumstances that last davit remains motionless, the davit drives article rotation under can the direct rotation, has effectively solved above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a rotatable driving hoist and mount apparatus, includes last davit, lower davit and rotation axis, the both ends of going up the davit all are equipped with lewis hole one for be connected with the lifting hook of hoist, the both ends of davit all are equipped with lewis hole two down for with treat that the article of lifting by crane are connected, the rotation axis is located between davit and the lower davit, and the both ends are fixed respectively at the middle part of last davit and davit down, are used for through rotatory davit drive article rotation down.

Specifically, the rotatable crane hoisting tool further comprises at least one fixing arm for fixing the upper boom and the lower boom together when rotation is not required.

Specifically, the two fixed arms are detachably fixed at two ends of the upper suspension arm and the lower suspension arm respectively.

Specifically, each fixed arm comprises two fixed strips, and two ends of each fixed strip are fixed in a first lifting hole of the upper lifting arm and a second lifting hole of the lower lifting arm through bolts and nuts respectively.

Specifically, the rotating shaft comprises an upper connecting seat, a middle sleeve and a lower connecting seat, wherein the upper end of the middle sleeve is rotatably fixed on the upper connecting seat, and the lower end of the middle sleeve is fixed on the lower connecting seat, so that the rotating shaft is respectively fixed on the upper suspension arm and the lower suspension arm through the upper connecting seat and the lower connecting seat.

Specifically, the rotating shaft further comprises a connecting shaft, an upper bearing seat, a lower bearing and a lower bearing seat, the connecting shaft is fixed to the bottom of the upper connecting seat, the upper bearing seat, the lower bearing and the lower bearing seat are sequentially sleeved on the connecting shaft from top to bottom and are located inside the middle sleeve, the lower bearing seat is fixed to the bottom of the connecting shaft, and the top of the middle sleeve is fixed to the upper bearing seat.

Specifically, the upper bearing is a deep groove ball bearing, and the lower bearing is a thrust ball bearing.

Specifically, the middle sleeve is provided with an oil filling hole at a position corresponding to the lower bearing, and the oil filling hole is provided with an oil filling plug.

Specifically, the upper connecting seat and the lower connecting seat are both U-shaped, so that the upper suspension arm and the lower suspension arm are respectively positioned in the U-shaped openings of the upper connecting seat and the lower connecting seat and are fixed through bolts and nuts.

Specifically, the two sides of the upper suspension arm and the lower suspension arm are both provided with reinforcing ribs for improving the strength of the upper suspension arm and the lower suspension arm.

The utility model has the advantages that:

(1) the hoisting tool comprises an upper hoisting arm and a lower hoisting arm which are connected through a middle rotating shaft, when in hoisting, objects are fixed in a hoisting hole II, and after hoisting, the lower hoisting arm can be directly rotated to drive the objects to rotate under the condition that the upper hoisting arm is kept immovable, so that the hoisting tool with the double lifting hooks can also rotate the hoisted heavy objects, and is simple and convenient;

(2) the utility model discloses a still be equipped with the fixed arm on the hoist and mount apparatus, can be in the same place last davit is fixed with davit down when need not to rotate, avoid down the davit rotate or rock, because the article of hoisting can reach more than 20 tons, can effectively avoid hoisting by crane article and rock with the fixed arm is together fixed with davit down when hoisting by crane or after rotatory completion, improve the security.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a sectional view of the rotary shaft;

in the figure: 1, an upper suspension arm; 11. a first hanging hole; 2. a lower suspension arm; 21. a second hanging hole; 3. a rotating shaft; 31. a connecting seat; 32, an intermediate sleeve; 321. an oil filling plug; 33. a lower connecting seat; 34. a connecting shaft; 35. an upper bearing; 36. an upper bearing seat; 37. a lower bearing; 38. a lower bearing seat; 4. a fixed arm; 5. reinforcing ribs; 9. and (4) a lifting hook.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

A rotatable travelling crane hoisting tool comprises an upper boom 1, a lower boom 2 and a rotating shaft 3, wherein two ends of the upper boom 1 are provided with a first hoisting hole 11 for being connected with a lifting hook 9 of a crane, two ends of the lower boom 2 are provided with a second hoisting hole 21 for being connected with an object to be hoisted, the rotating shaft 3 is positioned between the upper boom 1 and the lower boom 2, and two ends of the rotating shaft are respectively fixed in the middle of the upper boom 1 and the lower boom 2 and used for driving the object to rotate through rotating the lower boom 2. To the quality great, especially exceed 20 tons of article, adopt double hook to hoist usually, nevertheless often can't rotate article behind the double hook hoists article, can't satisfy some application occasions that need rotatory article direction, the utility model discloses a hoisting apparatus includes davit 1 and davit 2 down, and the two is connected through middle rotation axis 3, fixes article in lewis hole two 21 when lifting by crane, lifts by crane the back, under last davit 1 keeps motionless condition, and davit 2 drives article rotation under can the direct rotation for double hook hoisting apparatus also can rotate the heavy article of hoisting, and is simple and convenient.

In a specific embodiment, two ropes can be tied in the two hanging holes 21, the rotation of the lower hanging arm 2 driving the article can be realized by pulling the ropes, and the lower hanging arm 2 can also be directly pulled by hand to rotate under the condition of low height.

In a particular embodiment, as shown in fig. 1, the rotatable travelling crane hoisting tool further comprises at least one fixing arm 4 for fixing the upper boom 1 and the lower boom 2 together when rotation is not required. The setting of fixed arm 4, can be in the same place upper boom 1 and lower boom 2 are fixed when need not to rotate, avoid down boom 2 to rotate or rock, because the article of hoisting can reach more than 20 tons, can effectively avoid hoisting the article and rock with fixed arm 4 with upper boom 1 and lower boom 2 are fixed together when hoisting or after rotatory the completion, improve the security (the film segmentation in-process only need be with the film rotation 180 of rolling, upper boom 1 and lower boom 2 still are in the coplanar after rotatory, can with fixed arm 4 fixed).

In a specific embodiment, as shown in fig. 1, two fixing arms 4 are provided, which are detachably fixed to both ends of the upper boom 1 and the lower boom 2, respectively. Further improving the safety.

In a specific embodiment, as shown in fig. 1-2, each fixing arm 4 comprises two fixing strips, and two ends of the two fixing strips are respectively fixed in a first hanging hole 11 of the upper boom 1 and a second hanging hole 21 of the lower boom 2 through bolts and nuts. When the lower suspension arm 2 needs to be rotated, the bolt for fixing the fixing arm 4 in the second hanging hole 21 is loosened, and the fixing arm 4 is removed.

In a specific embodiment, as shown in fig. 3, the rotating shaft 3 includes an upper connecting seat 31, an intermediate sleeve 32 and a lower connecting seat 33, the upper end of the intermediate sleeve 32 is rotatably fixed on the upper connecting seat 31, and the lower end is fixed on the lower connecting seat 33, so that the rotating shaft 3 is fixed on the upper boom 1 and the lower boom 2 through the upper connecting seat 31 and the lower connecting seat 33, respectively. The middle sleeve 32 is fixedly connected with the lower connecting seat 33 and is rotatably connected with the upper connecting seat 31, the upper connecting seat 31 and the upper suspension arm 1 are kept unchanged in the rotating process, and the middle sleeve 32, the lower connecting seat 33 and the lower suspension arm 2 rotate together.

In a specific embodiment, as shown in fig. 3, the rotating shaft 3 further includes a connecting shaft 34, an upper bearing 35, an upper bearing seat 36, a lower bearing 37 and a lower bearing seat 38, the connecting shaft 34 is fixed at the bottom of the upper connecting seat 31, the upper bearing 35, the upper bearing seat 36, the lower bearing 37 and the lower bearing seat 38 are sequentially sleeved on the connecting shaft 34 from top to bottom and are located inside the middle sleeve 32, so that the lower bearing seat 38 is fixed at the bottom of the connecting shaft 34, and the top of the middle sleeve 32 is fixed on the upper bearing seat 36. The double bearing structure is advantageous for improving the rotational stability of the rotary shaft 3.

In one particular embodiment, the upper bearing 35 is a deep groove ball bearing and the lower bearing 37 is a thrust ball bearing.

In a particular embodiment, as shown in fig. 3, the intermediate sleeve 32 is provided with an oil hole in a position corresponding to the lower bearing 37, and the oil hole is provided with an oil plug 321. Lubricating oil can be added to the lower bearing 37 through the oil holes to improve the smooth rotation of the rotary shaft 3.

In a specific embodiment, as shown in fig. 3, the upper and lower connecting

seats

31 and 33 are U-shaped, so that the upper and lower booms 1 and 2 are respectively located in the U-shaped openings of the upper and lower connecting

seats

31 and 33 and fixed by bolts and nuts.

In a specific embodiment, as shown in fig. 1-2, both sides of the upper boom 1 and the lower boom 2 are provided with stiffening ribs 5 for increasing the strength of the upper boom 1 and the lower boom 2.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a rotatable driving hoist and mount apparatus which characterized in that: including last davit (1), davit (2) and rotation axis (3) down, the both ends of going up davit (1) all are equipped with lewis hole one (11) for be connected with lifting hook (9) of hoist, the both ends of davit (2) all are equipped with lewis hole two (21) down, are used for being connected with the article of waiting to lift by crane, rotation axis (3) are located between last davit (1) and the lower davit (2), and the both ends are fixed respectively at the middle part of last davit (1) and lower davit (2), are used for driving article rotation through rotatory davit (2) down.

2. The rotatable crane lifting tool of claim 1, wherein: and the lifting device also comprises at least one fixed arm (4) for fixing the upper lifting arm (1) and the lower lifting arm (2) together when the rotation is not needed.

3. The rotatable crane lifting tool of claim 2, wherein: the two fixing arms (4) are detachably fixed at two ends of the upper suspension arm (1) and the lower suspension arm (2) respectively.

4. The rotatable crane lifting tool as set forth in claim 3, wherein: each fixed arm (4) comprises two fixed strips, and two ends of each fixed strip are fixed in a first lifting hole (11) of the upper lifting arm (1) and a second lifting hole (21) of the lower lifting arm (2) through bolts and nuts respectively.

5. The rotatable crane lifting tool of claim 1, wherein: the rotating shaft (3) comprises an upper connecting seat (31), a middle sleeve (32) and a lower connecting seat (33), the upper end of the middle sleeve (32) is rotatably fixed on the upper connecting seat (31), and the lower end of the middle sleeve (32) is fixed on the lower connecting seat (33), so that the rotating shaft (3) is fixed on the upper suspension arm (1) and the lower suspension arm (2) through the upper connecting seat (31) and the lower connecting seat (33) respectively.

6. The rotatable crane lifting tool of claim 5, wherein: the rotating shaft (3) further comprises a connecting shaft (34), an upper bearing (35), an upper bearing seat (36), a lower bearing (37) and a lower bearing seat (38), the connecting shaft (34) is fixed to the bottom of the upper connecting seat (31), the upper bearing (35), the upper bearing seat (36), the lower bearing (37) and the lower bearing seat (38) are sequentially sleeved on the connecting shaft (34) from top to bottom and are located inside the middle sleeve (32), the lower bearing seat (38) is fixed to the bottom of the connecting shaft (34), and the top of the middle sleeve (32) is fixed to the upper bearing seat (36).

7. The rotatable crane lifting tool of claim 6, wherein: the upper bearing (35) is a deep groove ball bearing, and the lower bearing (37) is a thrust ball bearing.

8. The rotatable crane lifting tool of claim 6, wherein: an oil filling hole is formed in the middle sleeve (32) at a position corresponding to the lower bearing (37), and an oil filling plug (321) is arranged on the oil filling hole.

9. The rotatable crane lifting tool of claim 5, wherein: the upper connecting seat (31) and the lower connecting seat (33) are both U-shaped, so that the upper suspension arm (1) and the lower suspension arm (2) are respectively positioned in the U-shaped openings of the upper connecting seat (31) and the lower connecting seat (33) and are fixed through bolts and nuts.

10. The rotatable crane lifting tool of claim 1, wherein: and reinforcing ribs (5) are arranged on two sides of the upper suspension arm (1) and the lower suspension arm (2) and used for improving the strength of the upper suspension arm (1) and the lower suspension arm (2).