CN219546524U

CN219546524U - Stability hoisting accessory of double-beam crane

Info

Publication number: CN219546524U
Application number: CN202320344829.8U
Authority: CN
Inventors: 李有忠
Original assignee: Hubei Sheng He Jin Lifting Equipment Co ltd
Current assignee: Hubei Sheng He Jin Lifting Equipment Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-18
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to a stability hoisting device of a double-beam crane, which comprises a hoisting crown block and a stabilizing device, wherein the hoisting crown block comprises a driving device and an electric hoist, a support frame is arranged in the middle of the driving device, the electric hoist is arranged in the center of the support frame, a first cable is arranged on a rotating shaft of the electric hoist, a lifting hook is arranged at the end part of the first cable, fixing plates are arranged at positions, close to two sides, of the driving device, the stabilizing device is arranged below a position between the two fixing plates, the stabilizing device comprises a support plate, a first through groove is formed in the center of the support plate, a second through groove is formed in positions, close to four corners, of the support plate, a traction device is arranged at the position, corresponding to the second through groove, of the top of the support plate, and the four traction devices jointly traction the lifting hook; the utility model replaces the traditional moving mode that the guide rail is required to be arranged on the crane frame, and avoids the problem that the electric sliding blocks are asynchronous due to the pollution of the guide rail.

Description

Stability hoisting accessory of double-beam crane

Technical Field

The utility model relates to the technical field of lifting crown blocks, in particular to a stability lifting device of a double-beam crane.

Background

The patent CN217148339U of China discloses an anti-sway device of a double-beam crane, which comprises a crane frame, a cross beam, a crane, a steel cable, a fixed plate, a limiting mechanism, a stable traction mechanism and an anti-unhooking mechanism, wherein the cross beam is arranged in the middle of the crane frame, the crane is arranged on the cross beam in a sliding manner, the steel cable is connected and arranged below the crane in a rolling manner, the fixed plate is fixedly arranged at the lower end of the steel cable, the limiting mechanism is arranged below the crane, sliding rails are symmetrically and fixedly arranged on two sides in the crane frame, an electric sliding block is arranged on the sliding rails in a matched manner, a traction reel is fixedly arranged on the inner side of the electric sliding block in a matched manner, a traction rope is arranged in the traction reel in a rolling manner, a motor is arranged outside the traction reel, a laser range finder is arranged below the traction reel, and the anti-unhooking mechanism is arranged below the fixed plate, and the traction rope is fixedly connected with the fixed plate; the device pulls the steel cable through the haulage rope and the laser range finder when hoisting, avoids the couple to swing indefinitely.

In the use, the device only pulls the couple through the haulage rope of left and right sides to prevent couple swing, realize this technological effect mainly through installing devices such as slide rail, electronic slider, motor, traction reel in the frame both sides additional, make haulage rope and couple reciprocate just can realize in step, it is generally known that electronic slide rail exposes when external, very easily by the pollution, influence electronic slider's travel speed, both sides electronic slider is difficult to guarantee synchronous motion in the in-service use, need the staff to maintain regularly, oil or clear up, the work degree of difficulty of staff has been aggravated, only can restrict the swing of horizontal direction through the spacing mode of both sides simultaneously, can't restrict the vertical swing influence that the goods brought, anti-swing effect is incomplete.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a stability lifting device of a double-beam crane, which is used for solving the problems proposed by the background art.

The utility model relates to a stability lifting device of a double-beam crane, which comprises a lifting crown block and a stabilizing device, wherein the lifting crown block comprises a driving device and an electric hoist, a supporting frame is arranged in the middle of the driving device, the electric hoist is arranged in the center of the supporting frame, a first cable is arranged on a rotating shaft of the electric hoist, a lifting hook is arranged at the end part of the first cable, fixing plates are arranged at positions, close to two sides, of the driving device, the stabilizing device is arranged below the two fixing plates, the stabilizing device comprises a supporting plate, a first through groove is formed in the center of the supporting plate, a second through groove is formed in positions, close to four corners, of the supporting plate, a traction device is arranged at the position, corresponding to the second through groove, of the top of the supporting plate, and the four traction devices are used for jointly dragging the lifting hook to prevent the lifting hook from tilting.

As a further improvement of the utility model, the traction device comprises a case arranged at the top of the supporting plate, the center of the case and the center of the second through groove are positioned on the same vertical plane, the two sides of the inner wall of the case are rotatably connected with a winding roller, and the surface of the winding roller is fixedly wound with a second cable.

As a further improvement of the utility model, a servo motor is arranged on one side of the chassis far away from the center of the supporting plate, and the output end of the servo motor is fixedly connected with the rotating shaft.

As a further improvement of the utility model, the middle part of the lifting hook is inserted with a connecting plate, four corners of the connecting plate are respectively provided with connecting rings, and four second cables are respectively and fixedly connected with the four connecting rings.

As a further improvement of the utility model, the first through groove and the second through groove are respectively provided with a cable limiting structure.

As a further improvement of the utility model, the cable limiting structure comprises two limiting rollers, wherein the two limiting rollers are symmetrically arranged, and a gap is reserved between the two limiting rollers.

As a further improvement of the utility model, the centers of the left side and the right side of the top of the supporting plate are respectively provided with a connecting column, and the top of the connecting column is fixedly connected with the center of the bottom of the fixed plate.

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

1. the stabilizing device is arranged on the fixing plates at two sides of the driving device through the supporting plate and the connecting columns, can move along with the electric hoist on the driving device, replaces the traditional moving mode of arranging the guide rail on the crane frame, avoids the problem that the electric sliding blocks are asynchronous due to guide rail pollution, and simultaneously ensures that the lifting hook keeps stable when lifting the goods by matching with the four traction devices arranged at the four corners of the top of the supporting plate and the four connecting rings at the four corners of the connecting plate on the lifting hook, so that the four traction devices can apply pulling force to the lifting hook from four directions at the same time, and plays a limiting role on the transverse direction and the longitudinal direction of the lifting hook.

2. According to the utility model, the cable limiting structures arranged in the first through groove and the second through groove are matched with the arrangement of the cable limiting structures consisting of the two limiting rollers, so that the two limiting rollers can limit the first cable and the second cable, and friction between the first cable and the second cable and the edges of the first through groove and the second through groove is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic perspective view of a stabilizer of the present utility model;

FIG. 4 is a schematic top view of the overall structure of the present utility model;

fig. 5 is a schematic top view of the stabilizing device of the present utility model.

In the figure: 1. a driving device; 2. a support frame; 3. an electric hoist; 301. a first cable; 302. a lifting hook; 4. a fixing plate; 5. a connecting plate; 6. a connecting ring; 7. a support plate; 8. a connecting column; 9. a first through groove; 10. a second through slot; 11. a cable limiting structure; 12. a chassis; 13. a servo motor; 14. a winding roller; 15. and a second cable.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-5, the stability hoisting device of the double-beam crane of the utility model comprises a hoisting crown block and a stabilizing device, wherein the hoisting crown block comprises a driving device 1 and an electric hoist 3, a support frame 2 is arranged in the middle of the driving device 1, the electric hoist 3 is arranged in the center of the support frame 2, a first cable 301 is arranged on a rotating shaft of the electric hoist 3, a lifting hook 302 is arranged at the end part of the first cable 301, fixing plates 4 are arranged at positions, close to two sides, of the driving device 1, the stabilizing device is arranged below the two fixing plates 4, the stabilizing device comprises a support plate 7, a first through groove 9 is formed in the center of the support plate 7, and a second through groove 10 is formed in positions, close to four corners, of the support plate 7.

In this embodiment, a traction device is disposed at the top of the supporting plate 7 corresponding to the position of the second through slot 10, and the four traction devices jointly traction the lifting hook 302 to prevent the lifting hook 302 from tilting.

Specifically, draw gear is including setting up in the quick-witted case 12 at backup pad 7 top, and the center of machine case 12 is in same perpendicular with the center of second through groove 10, and the both sides rotation of machine case 12 inner wall is connected with rolling roller 14, and the winding of rolling roller surface is fixed with second hawser 15, and servo motor 13 is installed to one side that the center was kept away from to machine case 12, servo motor 13's output and pivot fixed connection.

In order to facilitate connection between each traction device and the lifting hook 302, in this embodiment, a connecting plate 5 is inserted in the middle of the lifting hook 302, four corners of the connecting plate 5 are respectively provided with a connecting ring 6, and four second cables 15 are respectively and fixedly connected with the four connecting rings 6.

When the lifting hook 302 is used for lifting cargoes, the electric hoist 3 is started to enable the first cable 301 to stretch, at the moment, the four servo motors 13 are synchronously started to enable the second cable 15 to stretch, when the cargoes are hung on the lifting hook 302, the electric hoist is started to wind the first cable 301, at the moment, the four servo motors 13 are synchronously started to wind the second cable 15, until the electric hoist 3 pulls the cargoes to a proper height, the servo motors 13 and the electric hoist 3 are simultaneously stopped, at the moment, the four second cables 15 respectively apply pulling force to the lifting hook 302 from four directions, and the lifting hook 302 is kept stable.

In an embodiment, in order to reduce wear to which the first cable 301 and the second cable 15 are subjected during operation, the first through groove 9 and the second through groove 10 are each provided with a cable stop structure 11 inside.

Specifically, the cable limiting structure 11 comprises two limiting rollers, the two limiting rollers are symmetrically arranged, and a gap is reserved between the two limiting rollers.

The first cable 301 passes through the gap between the two limit rollers in the first through groove 9, and the second cable 15 passes through the gap between the two limit rollers in the second through groove 10, so that the sliding friction between the original cable and the through groove is changed into the rolling friction between the cable and the limit rollers due to the existence of the limit rollers, the abrasion of the first cable 301 and the second cable 15 in the working process is effectively reduced, the service life of the device is prolonged, and the difficulty of maintenance work is reduced.

In this embodiment, the centers of the left and right sides of the top of the support plate 7 are provided with the connection posts 8, and the top of the connection posts 8 is fixedly connected to the center of the bottom of the fixing plate 4.

Through above-mentioned technical scheme, the staff of being convenient for carries out dismouting with stabilising arrangement and drive arrangement 1.

It should be noted that, the driving device 1 is a device for driving the roller to rotate by a motor, and the operation mode of driving the roller to rotate and drive the object to move by the motor is a disclosure technical means well known to those skilled in the art, so the specific structural features of the driving device 1 are not described in the specification, and those skilled in the art should know.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a stability hoisting accessory of double-beam crane, includes lifting crown block and stabilising arrangement, lifting crown block includes drive arrangement (1) and electric block (3), and the middle part of drive arrangement (1) is provided with support frame (2), and electric block (3) are installed in the central authorities of support frame (2), are provided with first hawser (301) in the pivot of electric block (3), and lifting hook (302) are installed to the tip of first hawser (301), its characterized in that:

the driving device (1) is provided with fixing plates (4) at positions close to two sides, and the stabilizing device is arranged below the space between the two fixing plates (4);

the stabilizing device comprises a supporting plate (7), a first through groove (9) is formed in the center of the supporting plate (7), second through grooves (10) are formed in the positions, close to four corners, of the supporting plate (7), traction devices are arranged at the positions, corresponding to the second through grooves (10), of the tops of the supporting plate (7), and the four traction devices jointly traction the lifting hooks (302) to prevent the lifting hooks (302) from inclining.

2. The stability hoisting device of a double-beam crane according to claim 1, wherein: the traction device comprises a case (12) arranged at the top of the supporting plate (7), the center of the case (12) and the center of the second through groove (10) are located on the same vertical plane, two sides of the inner wall of the case (12) are rotatably connected with a winding roller (14), and a second cable (15) is fixedly wound on the surface of the winding roller.

3. The stability hoist of claim 2, characterized in that: a servo motor (13) is arranged on one side, far away from the center of the supporting plate (7), of the chassis (12), and the output end of the servo motor (13) is fixedly connected with the rotating shaft.

4. The stability hoist of claim 2, characterized in that: the middle part of lifting hook (302) is pegged graft and is had connecting plate (5), four corners department of connecting plate (5) all is provided with go-between (6), four second hawser (15) respectively with four go-between (6) fixed connection.

5. The stability hoisting device of a double-beam crane according to claim 1, wherein: the cable limiting structures (11) are arranged in the first through groove (9) and the second through groove (10).

6. The stability hoist of claim 5, characterized in that: the cable limiting structure (11) comprises two limiting rollers, the two limiting rollers are symmetrically arranged, and a gap is reserved between the two limiting rollers.

7. The stability hoisting device of a double-beam crane according to claim 1, wherein: the center of the left side and the right side at the top of the supporting plate (7) is provided with a connecting column (8), and the top of the connecting column (8) is fixedly connected with the center of the bottom of the fixed plate (4).