CN215886070U

CN215886070U - Wind-resistant and anti-skid device of crane

Info

Publication number: CN215886070U
Application number: CN202121201153.4U
Authority: CN
Inventors: 王陆斌; 曹燕; 何美琳; 许泽华; 王丽娟
Original assignee: China Energy Engineering Group Shanxi No1 Electric Power Construction Co Ltd
Current assignee: China Energy Engineering Group Shanxi No1 Electric Power Construction Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-02-22
Anticipated expiration: 2031-06-01

Abstract

The utility model relates to the field of cranes, in particular to a wind-resistant and anti-skid device of a crane; the electric hoist is further connected with a lifting rope, the bottom of the lifting rope is fixedly connected with a connecting plate, the inner side surfaces of the upper parts of the left side and the right side of the support are respectively fixedly connected with a first fixed shaft, the left side and the right side of the connecting plate are respectively fixedly connected with a second fixed shaft, and a telescopic rod component is hinged between the first fixed shaft and the second fixed shaft which are positioned on the same side of the connecting plate; the lower surface of the connecting plate is fixedly connected with a lifting hook, and the second bottoms of the left side and the right side of the bracket are fixedly connected with a supporting plate; design limit structure to supporting the connecting plate in the displacement, the lifting hook produces swing by a relatively large margin with the goods that hangs when avoiding wind-force too big, promotes the anti-wind performance, avoids simultaneously because of the problem that the goods that hangs leads to the lifting rope landing heavier, promotes the security performance.

Description

Wind-resistant and anti-skid device of crane

Technical Field

The utility model relates to the field of cranes, in particular to a wind-resistant and anti-skid device of a crane.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes.

But current hoist leads to in the jack-up use that anti-wind antiskid ability is relatively poor because of lacking limit structure, the lower problem of security performance, for this reason, we provide a novel hoist anti-wind antiskid.

Disclosure of Invention

The utility model provides a wind-resistant and anti-skid device for a crane, aiming at solving the technical problems of poor wind-resistant and anti-skid capability and low safety performance of the existing crane in the hoisting use process due to the lack of a limit structure.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a wind-resistant and anti-skid device of a crane comprises a support, wherein a horizontally arranged chute is formed in the top of the support, a sliding block is clamped in the chute, an electric hoist is fixedly connected to the bottom of the sliding block, the electric hoist is further connected with a lifting rope, a connecting plate is fixedly connected to the bottom of the lifting rope, a first fixing shaft is fixedly connected to the inner side surface of the upper portion of each of the left side and the right side of the support, a second fixing shaft is fixedly connected to each of the left side and the right side of the connecting plate, and a telescopic rod part is hinged between the first fixing shaft and the second fixing shaft which are located on the same side of the connecting plate; the lower surface of the connecting plate is fixedly connected with a lifting hook, and the second bottoms of the left side and the right side of the support are fixedly connected with supporting plates.

The working process is as follows: operating personnel will wait to lift by crane the goods and hang on the lifting hook, then starting drive, then electric block begins to get into operating condition, then the lifting rope will drive connecting plate and lifting hook displacement that makes progress, two first snap rings are rotatory around corresponding first fixed axle respectively when the connecting plate displacement that makes progress, two second snap rings rotate around corresponding second fixed axle respectively, two telescopic link spare are respectively at the inside storage chamber and the inside displacement of through-hole of seting up of corresponding storage tube, thereby support the connecting plate in the displacement, the lifting hook produces swing by a relatively large margin with the goods that hangs when avoiding wind-force too big, promote the anti-wind performance, avoid simultaneously leading to the problem of lifting rope landing because of the goods that hangs is heavier, promote the security performance.

Compared with the prior art, the utility model has the following beneficial effects:

design limit structure to supporting the connecting plate in the displacement, the lifting hook produces swing by a relatively large margin with the goods that hangs when avoiding wind-force too big, promotes the anti-wind performance, avoids simultaneously because of the problem that the goods that hangs leads to the lifting rope landing heavier, promotes the security performance.

The diameter size of two limiting plates all is less than the diameter size in two storage chambers, and two storage chambers of being convenient for are accomodate corresponding limiting plate and are placed, and the diameter size of two limiting plates all is greater than the diameter size of two trompils, are convenient for avoid two limiting plates to break away from corresponding storage intracavity portion.

Drawings

FIG. 1 is a schematic perspective view of the wind-resistant and anti-slip device of the crane of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a front cross-sectional view of fig. 1.

Fig. 4 is an enlarged view of a structure at a in fig. 3.

Fig. 5 is an enlarged view of the structure at B in fig. 3.

The figures are labeled as follows:

1-bracket, 2-support plate, 3-threaded hole, 4-sliding groove, 5-sliding block, 6-electric hoist, 7-lifting rope, 8-connecting plate, 9-lifting hook, 10-first mounting plate, 11-first fixed shaft, 12-first clamping ring, 13-storage barrel, 14-storage cavity, 15-opening, 16-movable rod, 17-limiting plate, 18-spring component, 19-second mounting plate, 20-second fixed shaft and 21-second clamping ring 21.

Detailed Description

The present invention is further illustrated by the following specific examples.

Examples

As shown in fig. 1, the wind-resistant and anti-skid device of the crane comprises a support 1, wherein the support comprises a beam and support columns positioned at the left end and the right end of the bottom of the beam; a horizontally arranged sliding groove 4 is formed in the top of the support 1, a sliding block 5 is clamped in the sliding groove 4, an electric hoist 6 is fixedly connected to the bottom of the sliding block 5, the electric hoist 6 is further connected with a lifting rope 7, a connecting plate 8 is fixedly connected to the bottom of the lifting rope 7, first fixing shafts 11 are fixedly connected to the inner side surfaces of the upper portions of the left side and the right side of the support 1 respectively, second fixing shafts 20 are fixedly connected to the left side and the right side of the connecting plate 8 respectively, and a telescopic rod component is hinged between the first fixing shafts 11 and the second fixing shafts 20 which are located on the same side of the connecting plate 8; the lower surface of connecting plate 8 still the rigid coupling has lifting hook 9, the bottom rigid coupling of the left and right sides second of support 1 has backup pad 2.

Further, as shown in fig. 2 to 4, the telescopic rod component includes a first snap ring 12 and a second snap ring 21 respectively sleeved on the first fixing shaft 11 and the second fixing shaft 20, a receiving cylinder 13 is fixedly connected to the first snap ring 12, a receiving cavity 14 is arranged inside the receiving cylinder 13, a spring assembly 18 is fixed at one end of the receiving cavity 14 close to the first snap ring 12, and two movable rods 16 in displacement are buffered by arranging two spring assemblies 18. The inside movable rod 16 that still slides of containing cylinder 13 overlaps, and the tip that is close to containing cylinder 13 of second snap ring 21 one end is equipped with opening 15, and outside opening 15 was stretched out to movable rod 16 one end, the one end rigid coupling that is located the inside movable rod 16 in containing chamber 14 had limiting plate 17, as shown in fig. 5, and limiting plate 17's diameter is greater than opening 15's diameter, is less than the diameter of containing chamber 14. The two containing cavities 14 are convenient for containing and placing the corresponding limiting plates 17, the diameter sizes of the two limiting plates 17 are larger than the diameter sizes of the two openings 15, and the two limiting plates 17 are convenient to be prevented from being separated from the corresponding containing cavities 14;

the first snap rings 12 are in clearance fit with the corresponding first fixed shafts 11 respectively. So as to avoid the interference collision generated when the two first snap rings 12 rotate around the corresponding first fixed shafts 11. The two movable rods 16 are in clearance fit with the corresponding through holes 15 respectively.

The two second fixed shafts 20 are in clearance fit with the corresponding second clamping rings 21 respectively; so as to avoid interference collision when the two second snap rings 21 rotate around the corresponding second stationary shafts 20.

The two movable rods 16 are in clearance fit with the corresponding openings 15 respectively, the two openings 15 are limited for the corresponding movable rods 16 respectively, and the clearance fit is set so as to avoid the interference between the two movable rods 16 and the corresponding openings 15 respectively.

Further, a pair of first mounting plates 10 are fixedly connected to the inner side surfaces of the upper portions of the left side and the right side of the support 1 respectively, and a first fixed shaft 11 is fixedly connected between the two first mounting plates 10; the left side and the right side of the connecting plate 8 are fixedly connected with a pair of second mounting plates 19 respectively, and a second fixed shaft 20 is fixedly connected between the two second mounting plates 19.

Further, the bottom at the left end and the right end of the support 1 is fixedly connected with two supporting plates 2 respectively, and four threaded holes 3 distributed in a rectangular array are formed in the supporting plates 2 respectively. The two supporting plates 2 are respectively and tightly connected with the mounting plane through the threaded holes 3 distributed in the rectangular array.

The sliding block 5 is displaced through the sliding chute 4, an operator hangs the goods to be lifted on the lifting hook 9, then the device is started, then the electric hoist 6 starts to enter a working state, then the lifting rope 7 drives the connecting plate 8 and the lifting hook 9 to move upwards, when the connecting plate 8 moves upwards, the two first clamping rings 12 respectively rotate around the corresponding first fixed shafts 11, the two second clamping rings 21 respectively rotate around the corresponding second fixed shafts 20, the two movable rods 16 respectively move in the containing cavities 14 and the openings 15 which are formed in the corresponding containing cylinders 13, thereby supporting the connecting plate 8 in displacement, avoiding the lifting hook 9 and the suspended goods from swinging to a larger extent when the wind power is overlarge, improving the wind resistance, meanwhile, the problem that the lifting rope 7 slides down due to the fact that the hung goods are heavy is avoided, safety performance is improved, and in the embodiment, required electric equipment is electrically connected with an external power supply.

Claims

1. The utility model provides a hoist anti-wind antiskid which characterized in that: the lifting device comprises a support (1), a sliding groove (4) which is horizontally arranged is formed in the top of the support (1), a sliding block (5) is connected in the sliding groove (4) in a clamping mode, an electric hoist (6) is fixedly connected to the bottom of the sliding block (5), a lifting rope (7) is further connected to the electric hoist (6), a connecting plate (8) is fixedly connected to the bottom of the lifting rope (7), first fixing shafts (11) are fixedly connected to the inner side surfaces of the upper portions of the left side and the right side of the support (1) respectively, second fixing shafts (20) are fixedly connected to the left side and the right side of the connecting plate (8) respectively, and a telescopic rod component is hinged between the first fixing shafts (11) and the second fixing shafts (20) located on the same side of the connecting plate (8); the lower surface of connecting plate (8) still the rigid coupling has lifting hook (9), support (1) left and right sides second bottom rigid coupling has backup pad (2).

2. A wind and skid resistant device for crane according to claim 1, wherein: the telescopic link part is including cup jointing first snap ring (12) and second snap ring (21) on first fixed axle (11) and second fixed axle (20) respectively, the rigid coupling has storage cylinder (13) on first snap ring (12), storage cylinder (13) inside is equipped with accomodates chamber (14), the inside one end that is close to first snap ring (12) of accomodating chamber (14) is fixed with spring assembly (18), the inside still slip cover of storage cylinder (13) is equipped with movable rod (16), the tip of storage cylinder (13) that is close to second snap ring (21) one end is equipped with opening (15), outside opening (15) were stretched out to movable rod (16) one end, the one end rigid coupling that is located movable rod (16) inside accomodating chamber (14) has limiting plate (17), the diameter of limiting plate (17) is greater than the diameter of opening (15), be less than the diameter of accomodating chamber (14).

3. A wind and skid resistant device for crane according to claim 1, wherein: the inner side surfaces of the upper parts of the left side and the right side of the bracket (1) are respectively fixedly connected with a pair of first mounting plates (10), and a first fixed shaft (11) is fixedly connected between the two first mounting plates (10); the left side and the right side of the connecting plate (8) are respectively fixedly connected with a pair of second mounting plates (19), and a second fixed shaft (20) is fixedly connected between the two second mounting plates (19).

4. A wind and skid resistant device for crane according to claim 1, wherein: the bottom at the left end and the right end of the support (1) is fixedly connected with two supporting plates (2) respectively, and four threaded holes (3) distributed in a rectangular array are formed in the supporting plates (2) respectively.