CN211056539U

CN211056539U - X-shaped lifting appliance upper frame

Info

Publication number: CN211056539U
Application number: CN201921416573.7U
Authority: CN
Inventors: 翁杰; 左志源
Original assignee: Wuxi Huadong Heavy Machinery Co ltd
Current assignee: Wuxi Huadong Heavy Machinery Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-21
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a X type hoist put on shelf, including put on the shelf, fix the cable storage frame at the top of putting on the shelf and arrange four hoisting point mechanisms on left and right sides around putting on the shelf, characterized by: the hoisting point mechanism comprises hoisting point mounting frames, each hoisting point is arranged on each hoisting point mounting frame, two steel wire rope connecting points are arranged at each hoisting point, the two steel wire rope connecting points are connected with two steel wire ropes which are hung in an X-shaped cross shape of the crane, and the steel wire ropes are respectively connected to the hoisting point mounting frames in a cross shape on four side surfaces of the upper frame. The utility model discloses well wire rope is the X type and arranges, has improved whole prevent wind, has prevented shaking the effect to can adapt to the higher condition of yard height, it is little to the distance requirement between the yard.

Description

X-shaped lifting appliance upper frame

Technical Field

The utility model relates to a container crane part, especially an X type hoist upper rack with prevent wind, anti-shake function.

Background

In the container operation, in order to facilitate the operation of a driver and to improve the productivity and the loading and unloading speed, a spreader of a container crane must have anti-swing performance so as to eliminate the swing of a container.

The patent Z L03117018.8 discloses a crane steel wire rope anti-swing system, which adopts eight-rope winding mode, but the steel wire rope has larger stress, resulting in shorter service life of the steel wire rope, and the patent Z L201420857291.1 discloses a crane steel wire rope anti-swing system, which adopts eight-rope winding mode, but adopts single-reel transmission mode to lift the steel wire rope, the stress point is centralized, which is not beneficial to the stability of the trolley mechanism, the anti-swing effect of the steel wire rope still needs to be lifted, and the load of the reel can be increased, thereby greatly reducing the stability of the lifting process of the upper frame of the hanger, and reducing the service life of the hanger.

However, in general, in the prior art, the steel wire rope with an inverted triangle is mostly used for horizontal component force to prevent the steel wire rope from shaking. The inverted triangular steel wire rope anti-swing system is generally suitable for occasions with lower lifting height, is limited by the distance between storage yards and the width of the steel wire rope under the condition that the storage yards are stacked at higher height, and cannot be lowered to containers at the bottommost end of the storage yards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of existence among the prior art, providing a X type hoist is put on shelf, and wire rope is the X type and arranges, has improved whole prevent wind, has prevented shaking the effect to can adapt to the higher condition of yard height, it is little to the distance requirement between the yard.

According to the utility model provides a technical scheme, X type hoist put on the shelf, including put on the shelf, fix the cable storage frame at the top of putting on the shelf and arrange four hoisting point mechanisms on the left and right sides around putting on the shelf, characterized by:

the hoisting point mechanism comprises hoisting point mounting frames, each hoisting point is arranged on each hoisting point mounting frame, two steel wire rope connecting points are arranged at each hoisting point, the two steel wire rope connecting points are connected with two steel wire ropes which are hung in an X-shaped cross shape of the crane, and the steel wire ropes are respectively connected to the hoisting point mounting frames in a cross shape on four side surfaces of the upper frame.

Furthermore, a lifting point balance block is hinged to the lifting point mounting frame, and two steel wire rope connection points of the lifting point are arranged on the lifting point balance block.

Furthermore, two basket bolts are arranged on the lifting point balance block, one ends of the two basket bolts are hinged to two sides of the lifting point balance block respectively, and the other ends of the basket bolts are connected with a steel wire rope respectively as steel wire rope connection points.

Furthermore, two turnbuckles on the lifting point balance block are staggered at certain positions in the upper frame side direction, so that two steel wire ropes are avoided at the intersection.

Furthermore, two basket bolts on the hanging point balance block on one side of the upper frame and two basket bolts on the hanging point balance block on the opposite side are symmetrically arranged.

Further, a buffer device is arranged between the two turnbuckles, and the buffer device adopts a buffer seat or a buffer plate.

Furthermore, the hoisting point mounting frame is installed on an I-shaped beam, the I-shaped beam is hinged with the upper frame, and the I-shaped beam and the upper frame are connected through a swing driving device so as to realize lateral adjustment relative to the upper frame.

Further, the swing driving device adopts an oil cylinder or an electric cylinder.

Furthermore, an antifriction device used for limiting the tilting angle range of the lifting point balance block is arranged on the side part of the lifting point balance block.

Furthermore, two ends of the I-shaped beam are provided with hinge holes, hinge shafts are arranged in the hinge holes, and the hoisting point moving track is hinged with the upper frame through the hinge shafts.

The utility model has the advantages of it is following:

(1) the utility model discloses the X type that the wire rope adopted alternately sets up and can rise and descend the action free deformation along with putting on the shelf, when rising when accelerating or braking, put on the shelf will take place the beat, when accelerating or braking, the geometry of X type cross wire rope can increase rigidity and damping to effectively restrain and sway, prevent wind, prevent that the shake effect should be superior to the steel wire rope structure of the inverted triangle-shaped;

(2) in the utility model, the X-shaped steel wire rope mainly bears the horizontal force of swinging, and the lifting weight of lifting is still borne by the steel wire rope, so the upper frame structure can be relatively simple;

(3) the steel wire rope in the utility model adopts X-shaped cross arrangement, the span of the steel wire rope can be relatively narrower, when entering a storage yard for hoisting and taking container goods, the narrower span of the steel wire rope can adapt to occasions with higher hoisting height, and the requirement on the space between the storage yards is reduced;

(4) the utility model discloses well I-beam is articulated with the upper bracket realization to be connected with the swing hydro-cylinder, thereby can allow the I-beam to incline the pendulum displacement in the side direction certain limit.

Drawings

Fig. 1 is a front view of the upper frame of the X-shaped lifting appliance of the present invention.

Fig. 2 is a top view of the X-shaped lifting device upper frame of the present invention.

Fig. 3 is a schematic view of the hoisting point moving mechanism in a first state.

Fig. 4 is a schematic view of the hoisting point moving mechanism in a second state.

Fig. 5 is a rope winding diagram of the movable upper frame of the present invention.

FIG. 6 is a schematic view of the connection between the turn buckle and the hanging point balance weight.

Description of reference numerals: 100-upper frame, 101-front main beam, 102-rear main beam, 103-left end beam, 104-right end beam, 200-lifting point mechanism, 201-lifting point mounting frame, 202-I-beam, 203-steel wire rope, 204-lifting point balance block, 205-I-beam hinge shaft, 206-swing oil cylinder, 207-lifting point balance block hinge shaft, 208-lifting point hinge shaft, 209-spherical joint bearing, 210-basket bolt and 300-cable storage frame.

Detailed Description

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

As shown in fig. 1-2, the transferable X-shaped sling upper frame of the present invention comprises an upper frame 100, a cable storage frame 300 fixed on the top of the upper frame 100, and four hoisting point mechanisms 200 respectively arranged at the front, back, left and right ends of the upper frame 100.

The upper frame 100 comprises a front main beam 101, a rear main beam 102, a left end beam 103 and a right end beam 104, wherein the front main beam 101, the rear main beam 102, the left end beam 103 and the right end beam 104 are welded into a rectangular frame.

As shown in fig. 2, the lifting point mechanism 200 includes a lifting point mounting frame 201, an i-beam 202, a lifting point balance block 204 and a translation driving device 203; the hoisting point mounting frame 201 is mounted on an I-beam 202, two ends of the I-beam 202 are provided with hinge holes, an I-beam hinge shaft 205 is arranged in each hinge hole, and the I-beam 202 is hinged with the upper frame 100 through the I-beam hinge shaft 205; a swing oil cylinder 206 is arranged on the upper frame 100, the cylinder body of the swing oil cylinder 206 is connected with the upper frame 100, and the piston rod of the swing oil cylinder 206 is hinged with the I-shaped beam 202 so as to drive the upper frame 100 to tilt and swing in a proper range relative to the I-shaped beam 202 through the swing oil cylinder 206; the upper portion of the hoisting point mounting frame 201 is hinged to the hoisting point balance block 204 through a hoisting point balance block hinge shaft 207, and the side portions of the hoisting point balance block 204 are respectively provided with an anti-friction device (not shown in the figure) for limiting the tilting angle range of the hoisting point balance block 204, and in this embodiment, the tilting angle range of the hoisting point balance block 204 is generally controlled to be ± 8 °. As shown in fig. 3, 4 and 6, two hoisting point hinge shafts 208 and two basket bolts 210 with ball joint bearings 209 at one ends are arranged at the upper part of the hoisting point balance block 204; as shown in fig. 5, the other end of the basket bolt 210 is connected to the wire rope 203, and the wire rope 203 is connected to two basket bolts 210 (i.e., crossing in an X shape) in a crossing manner on four side surfaces of the upper frame 100; when the upper frame 100 is lifted, the X-shape of the wire rope 203 changes, and when the turn buckle 210 is located at the first position a and the second position B, as shown in fig. 5, the X-shape of the wire rope 203 changes accordingly. The utility model discloses utilize the geometry principle, the criss-cross wire rope of X type can restrain better swinging at the cart and the dolly direction of hoist.

Two turnbuckles 210 on a lifting point balance block 204 arranged on the upper frame 100 are staggered at certain positions in the lateral direction of the upper frame 100, so that two steel wire ropes are mutually avoided at the crossed position; that is, the two turn-key bolts 210 of the suspension point balance weight 204 on one side of the upper frame 100 and the two turn-key bolts 210 of the suspension point balance weight 204 on the opposite side are symmetrically arranged.

A buffer device (not shown) is disposed between the two flower basket bolts 210, and the buffer device is a buffer base or a buffer plate. The buffering device is arranged to avoid or reduce the collision between the two turn bolts when the crane rises.

Transferable X type hoist adopts and sets up four hoisting point mechanisms 200 at last 100 all around the side, respectively establishes a hoisting point on every hoisting point mechanism 200, and every hoisting point department establishes two wire rope tie points, and two wire rope tie points are two wire rope that X type cross form hung with two of hoist and link to each other, and wire rope 203 forms the cross form respectively in four sides of last 100 and is connected to the hoisting point mounting bracket. The utility model discloses an in the concrete embodiment, the steel wire rope connects the rigidity of putting on shelf 100 relatively, in the lift process of putting on shelf 100, through two turnbuckles 210's of hoisting point department open and close the corresponding change of shape that realizes that wire rope X type is criss-cross, can increase rigidity and damping through X type cross wire rope's geometric construction to the realization is prevent wind effectively, the anti-sway effect.

The utility model discloses a theory of operation does:

(1) in the utility model, the turnbuckle for connecting the steel wire rope is connected with the steel wire rope in an X-shaped cross mode, and the turnbuckle is connected through the spherical joint bearing, and the two turnbuckles can rotate relatively, thereby ensuring that the upper frame 100 can be adjusted to avoid interference when rotating for 45 degrees; the steel wire ropes adopt X-shaped cross arrangement and can freely deform along with the lifting and descending actions of the upper frame 100, when the lifting is accelerated and decelerated, the upper frame deflects, and the geometric structure of the X-shaped cross steel wire ropes can increase rigidity and damping while accelerating or braking, so that the swinging is effectively inhibited; on the other hand, the X-shaped steel wire rope mainly bears the horizontal force of swinging, and the lifted hoisting weight is still borne by the steel wire rope, so that the structure of the upper frame 100 can be relatively simple;

(2) on the other hand, the steel wire ropes are arranged in an X-shaped cross mode, so that the span of the steel wire ropes can be relatively smaller, when the steel wire ropes enter a storage yard for hoisting container goods, the narrower span of the steel wire ropes can adapt to occasions with higher hoisting height, and the requirement on the distance between the storage yards is reduced;

(3) the utility model discloses a I-beam 202 in with upper bracket 100 realizes the articulated, and is connected with swing hydro-cylinder 206 to can allow the upper bracket 100 to incline the pendulum displacement within certain range in the side direction relative to I-beam 202;

(4) for realizing the position all around, the utility model discloses also can slide hoisting point mounting bracket 201 and set up on I-beam 202 to through translation drive arrangement drive upper bracket 100 relative hoisting point mounting bracket 201 around, control the direction and carry out the translation.

Claims

1. The utility model provides a X type hoist upper bracket, includes upper bracket (100), fixes the cable storage frame at upper bracket (100) top and arranges four hoisting point mechanisms (200) on left and right sides around upper bracket (100), characterized by:

each lifting point mechanism (200) comprises a lifting point mounting frame, each lifting point is arranged on each lifting point mounting frame, two steel wire rope connecting points are arranged at each lifting point, the two steel wire rope connecting points are connected with two steel wire ropes which are hung in an X-shaped crossed manner of the crane, and the steel wire ropes (203) are respectively connected to the lifting point mounting frames in a crossed manner on four sides of the upper frame (100).

2. The X-shaped spreader upper frame of claim 1, wherein: and a lifting point balance block (204) is hinged on the lifting point mounting frame, and two steel wire rope connection points of the lifting point are arranged on the lifting point balance block (204).

3. The X-shaped spreader upper frame of claim 2, wherein: two basket bolts (210) are arranged on the lifting point balance block (204), one ends of the two basket bolts (210) are hinged to two sides of the lifting point balance block (204) respectively, and the other ends of the basket bolts (210) are used as steel wire rope connection points and are connected with a steel wire rope (203) respectively.

4. The X-shaped spreader upper frame of claim 3, wherein: two basket bolts (210) on the lifting point balance block (204) are staggered in a certain position in the lateral direction of the upper frame (100), so that two steel wire ropes are mutually avoided at the intersection.

5. The X-shaped spreader upper frame of claim 3, wherein: the two basket bolts (210) on the hanging point balance block (204) on one side of the upper frame (100) and the two basket bolts (210) on the hanging point balance block (204) on the opposite side are symmetrically arranged.

6. The X-shaped spreader upper frame of claim 3, wherein: and a buffer device is arranged between the two turn bolts (210), and the buffer device adopts a buffer seat or a buffer plate.

7. The X-shaped spreader upper frame of claim 1, wherein: the lifting point mounting frame is installed on an I-shaped beam (202), the I-shaped beam (202) is hinged with the upper frame (100), and the I-shaped beam (202) and the upper frame (100) are connected through a swing driving device so as to realize lateral adjustment relative to the upper frame (100).

8. The X-shaped spreader upper frame of claim 7, wherein: the swing driving device adopts an oil cylinder or an electric cylinder.

9. The X-shaped spreader upper frame of claim 2, wherein: and arranging an antifriction device for limiting the tilting angle range of the lifting point balance block (204) at the side part of the lifting point balance block (204).

10. The X-shaped spreader upper frame of claim 7, wherein: two ends of the I-shaped beam (202) are provided with hinge holes, hinge shafts are arranged in the hinge holes, and the hoisting point moving track is hinged with the upper frame (100) through the hinge shafts.