CN217947444U

CN217947444U - Bridge crane with anti-swing function

Info

Publication number: CN217947444U
Application number: CN202222115939.5U
Authority: CN
Inventors: 马巍
Original assignee: Hubei Huazhou Emergency Equipment Technology Co ltd
Current assignee: Hubei Huazhou Emergency Equipment Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-02
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a bridge crane technical field especially relates to a bridge crane with anti-sway function, and it includes crane span structure, hoist body, balance plate, fixed plate and cuts the fork connecting rod. Two sliding guide rails are symmetrically arranged on the bridge frame, and the crane body is arranged on the sliding rails. The hoist engine is arranged on the crane body and is in driving connection with the balance plate, the bottom of the balance plate is provided with a lifting hook, and the balance plate is provided with a fixed shaft. The sliding rods are arranged between the fixing plates on the two sides in parallel, the two movable plates are symmetrically arranged between the fixing plates on the two sides, and the movable plates on the two sides are both connected with the sliding rods in a sliding mode. The scissor type connecting rod is arranged below the crane body, a top foot of the scissor type connecting rod is rotatably connected with the corresponding side movable plate, and the output end of the scissor type connecting rod is connected with the end part of the fixed shaft in a switching mode. The bottom of the crane body is rotatably provided with a gear, and the gear is positioned between the racks on the two sides and is meshed and connected with the racks on the two sides. The utility model discloses overall structure stability is high, and overall structure is simple, convenient operation.

Description

Bridge crane with anti-swing function

Technical Field

The utility model relates to a bridge crane technical field especially relates to a bridge crane with anti-swing function.

Background

The bridge crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock ground to hoist materials. Since its two ends are seated on tall concrete columns or metal brackets, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

Chinese patent No. CN210480657U discloses a bridge crane with anti-sway function, wherein the steel wire rope of the crane is limited by a limiting cylinder at any specified position, and the limiting cylinder is used for limiting the hoisting of the steel wire rope, so that the steel wire rope has anti-sway function, thereby ensuring the stability of the hoisting process.

However, the device still has the following defects: when the crane works up and down actually, the transverse sliding rails on the two sides of the crane move up and down in the vertical direction, no object block needs to be kept below the bridge, and when the crane moves in an accelerating mode, if acceleration changes, the movable plate easily slides back and forth due to inertia, so that the lifted object swings left and right transversely.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides a bridge crane with prevent rocking function.

The technical scheme of the utility model: a bridge crane with anti-swing function comprises a bridge frame, a crane body, a balance plate, a fixing plate and a scissor type connecting rod. Two sliding guide rails are symmetrically arranged on the bridge frame, and the sliding guide rails on the two sides are parallel to each other. The crane body is arranged above the bridge, the bottom of the crane body is provided with a driving assembly, the driving assembly is in driving connection with the rollers, and the rollers on two sides are respectively clamped on the corresponding side sliding guide rails and are in rolling connection with the corresponding side sliding guide rails. The hoisting machine is arranged on the crane body and is in driving connection with the mooring ropes, and the extending ends of the mooring ropes penetrate through the bottom plate of the crane body and are in sliding connection with the bottom plate. The balance plate sets up in the below of hoist body, and hawser downwardly extending's one end all is connected with the balance plate, and the bottom of balance plate sets up the lifting hook, sets up the fixed axle on the balance plate. The fixed plate symmetry sets up in the bottom of hoist body, through two slide bar connection that are parallel to each other between the fixed plate of both sides, and the symmetry sets up two fly leafs between the fixed plate of both sides, both sides fly leaf all with slide bar sliding connection. The scissor type connecting rods are arranged below the crane body, two top legs of the scissor type connecting rods are respectively rotatably connected with the corresponding side movable plates, and two ends of the fixing shaft respectively penetrate through the lower end connecting rod switching positions of the scissor type connecting rods on two sides and are rotatably connected with the connecting rods on two sides. The movable plates on the two sides are arranged on one side close to each other and are provided with racks, the bottom of the crane body is rotatably provided with a gear, and the gear is located between the racks on the two sides and is meshed with the racks on the two sides.

Preferably, the sliding guide rail is an I-shaped guide rail, the cambered surface of the roller is provided with a clamping groove, and the clamping groove is clamped inside concave surfaces on two sides of the I-shaped guide rail and is in sliding connection with the I-shaped guide rail.

Preferably, the upper end of the crane body is provided with a heat dissipation box, the heat dissipation box is provided with an air inlet and a heat dissipation hole, and dust screens are arranged in the air inlet and the heat dissipation hole.

Preferably, a fan is arranged in the heat dissipation hole, and the air inlet end of the fan is located inside the heat dissipation box.

Preferably, a controller is also included. The bottom of hoist body sets up distance sensor and vision counterpoint mechanism, and distance sensor and controller communication connection, vision counterpoint mechanism and controller communication connection, controller control connection drive assembly and hoist engine.

Preferably, the number of the winches is at least two, two groups of cables are wound on the two groups of winches, and the cables on the two sides are symmetrical to each other.

Preferably, the caliber of the cable through hole at the bottom of the crane body is larger than the outer diameter of the cable, and the cable and the inner wall of the cable through hole are not contacted with each other.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the cable is wound and unwound through the winch on the crane body, the balance plate connected to the bottom of the cable acts synchronously, meanwhile, the scissor-type connecting rods on the two sides automatically open or contract, and further the lifting starting position of the balance plate is limited by the fixed shaft, so that the balance plate is limited by the scissor-type connecting rods on the two sides through the fixed shaft no matter the crane body is in an accelerating or decelerating state, and the swinging of the balance plate is prevented; meanwhile, the movable plates on the two sides are arranged on the sliding rod in a sliding mode, the movable plates are automatically far away from or close to the movable plates in the expanding and contracting process of the scissor type connecting rods, and the racks on the movable plates on the two sides are in meshed transmission with the gears at the bottom of the crane body, so that the movement of the bottom feet of the scissor type connecting rods is synchronous, and the pushing route of the scissor type connecting rods to the fixed shaft is always kept on the same straight line. Simultaneously the utility model has the advantages that the whole structure is simple, need not with the help of too much space, is fit for promoting.

Drawings

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

FIG. 2 is a bottom structural view of the crane body in FIG. 1;

fig. 3 is a connecting structure diagram of the scissor type connecting rod and the movable plates at two sides.

Reference numerals: 1. a bridge frame; 2. a sliding guide rail; 3. a crane body; 4. a drive assembly; 5. a roller; 6. a heat dissipation box; 7. a winch; 8. a cable; 9. a balance plate; 10. a hook; 11. a fixed shaft; 12. a fixing plate; 13. a slide bar; 14. a movable plate; 15. a scissor-type connecting rod; 16. a rack; 17. a gear.

Detailed Description

Example one

As shown in fig. 1-3, the utility model provides a bridge crane with anti-sway function, including crane span structure 1, crane body 3, balance plate 9, fixed plate 12 and scissor type connecting rod 15. The bridge frame 1 is symmetrically provided with two sliding guide rails 2, and the sliding guide rails 2 on the two sides are parallel to each other. The crane body 3 is arranged above the bridge frame 1, the bottom of the crane body 3 is provided with a driving component 4, the driving component 4 is in driving connection with rollers 5, and the rollers 5 on two sides are respectively clamped on the corresponding side sliding guide rails 2 and are in rolling connection with the corresponding side sliding guide rails. The hoist 7 is arranged on the crane body 3, the hoist 7 is in driving connection with the mooring ropes 8, and the extending ends of the mooring ropes 8 penetrate through the bottom plate of the crane body 3 and are in sliding connection with the bottom plate. Balance plate 9 sets up in the below of

hoist body

3, and 8 downwardly extending's of hawser one end all is connected with balance plate 9, and balance plate 9's bottom sets up lifting hook 10, sets up fixed axle 11 on balance plate 9. The fixed plates 12 are symmetrically arranged at the bottom of the crane body 3, the fixed plates 12 on two sides are connected through two parallel slide rods 13, the fixed plates 12 on two sides are symmetrically provided with two movable plates 14, and the movable plates 14 on two sides are both connected with the slide rods 13 in a sliding manner. The scissor type connecting rods 15 are arranged below the crane body 3, two top legs of the scissor type connecting rods 15 are respectively rotatably connected with the corresponding side movable plates 14, and two ends of the fixed shaft 11 respectively penetrate through the lower end connecting rod switching positions of the scissor type connecting rods 15 on two sides and are respectively rotatably connected with the connecting rods on two sides. Racks 16 are arranged on one sides of the two side movable plates 14 close to each other, a gear 17 is rotatably arranged at the bottom of the crane body 3, and the gear 17 is located between the two side racks 16 and is meshed with the two side racks 16.

In this embodiment, when the crane body 3 lifts by crane the heavy object, lifting hook 10 and balance plate 9 rise after descending earlier, scissor type connecting rod 15 upwards contracts after stretching downwards under the action of gravity of fixed axle 11 and lifting hook 10 this moment, make fixed axle 11 keep vertical direction action throughout, and then carry on spacingly to the article moving direction on balance plate 9 and lifting hook 10 and the lifting hook 10, because scissor type connecting rod 15 itself is in the active state, in order to ensure the shrink of its both sides footing and principle synchronous, the meshing transmission that utilizes rack 16 and gear 17 connects carries on spacingly to it, make scissor type connecting rod 15 keep output direction vertical downwards all the time.

Example two

As shown in fig. 1, the utility model provides a bridge crane with anti-sway function compares in embodiment one, and the upper end of hoist body 3 sets up heat dissipation case 6, sets up inlet port and louvre on the heat dissipation case 6, all sets up the dust screen in inlet port and the louvre, sets up the fan in the louvre, and the inlet end of fan is located the inside of heat dissipation case.

In this embodiment, because hoist engine 7 can produce a large amount of heats when working, in order to prevent 8 overheated hawsers, utilize radiator fan to dispel the heat to it, can effectual extension equipment's life.

EXAMPLE III

As shown in fig. 2, the utility model provides a bridge crane with anti-sway function compares in embodiment one, and the hawser through-hole bore of 3 bottoms of hoist body is greater than hawser 8's external diameter, and hawser 8 and hawser through-hole inner wall contactless each other.

In this embodiment, hawser 8 and hawser through-hole inner wall contactless each other, can effectually prevent to produce the friction between the two, and then prevent hawser 8 wearing and tearing.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. A bridge crane with an anti-swing function is characterized by comprising a bridge frame (1), a crane body (3), a balance plate (9), a fixing plate (12) and a scissor type connecting rod (15);

the bridge (1) is symmetrically provided with two sliding guide rails (2), and the sliding guide rails (2) at the two sides are parallel to each other; the crane body (3) is arranged above the bridge (1), the bottom of the crane body (3) is provided with a driving assembly (4), the driving assembly (4) is in driving connection with rollers (5), and the rollers (5) on two sides are respectively clamped on the corresponding side sliding guide rails (2) and are in rolling connection with the corresponding side sliding guide rails;

a winch (7) is arranged on the crane body (3), the winch (7) is in driving connection with the mooring ropes (8), and the extending ends of the mooring ropes (8) penetrate through the bottom plate of the crane body (3) and are in sliding connection with the bottom plate; the balance plate (9) is arranged below the crane body (3), one end of the cable (8) extending downwards is connected with the balance plate (9), the bottom of the balance plate (9) is provided with a lifting hook (10), and the balance plate (9) is provided with a fixed shaft (11);

the fixed plates (12) are symmetrically arranged at the bottom of the crane body (3), the fixed plates (12) on two sides are connected through two parallel slide rods (13), the fixed plates (12) on two sides are symmetrically provided with two movable plates (14), and the movable plates (14) on two sides are both in sliding connection with the slide rods (13); the scissor type connecting rods (15) are arranged below the crane body (3), two top feet of the scissor type connecting rods (15) are respectively and rotatably connected with the corresponding side movable plates (14), and two ends of the fixed shaft (11) respectively penetrate through the lower end connecting rod switching positions of the scissor type connecting rods (15) at two sides and are respectively and rotatably connected with the connecting rods at two sides; racks (16) are arranged on one sides, close to each other, of the movable plates (14) on the two sides, a gear (17) is rotatably arranged at the bottom of the crane body (3), and the gear (17) is located between the racks (16) on the two sides and is meshed with the racks (16) on the two sides.

2. The bridge crane with the anti-swing function according to claim 1, wherein the sliding guide rail (2) is an I-shaped guide rail, the cambered surface of the roller (5) is provided with a clamping groove, and the clamping groove is clamped inside concave surfaces at two sides of the I-shaped guide rail and is in sliding connection with the I-shaped guide rail.

3. The bridge crane with the anti-sway function of claim 1, characterized in that a heat dissipation box (6) is disposed at an upper end of the crane body (3), the heat dissipation box (6) is provided with an air inlet and a heat dissipation hole, and a dust screen is disposed in the air inlet and the heat dissipation hole.

4. The bridge crane with the anti-sway function as claimed in claim 3, wherein a fan is disposed in the heat dissipation hole, and an air inlet end of the fan is located inside the heat dissipation box (6).

5. The bridge crane with the anti-swing function according to claim 1, further comprising a controller; the bottom of hoist body (3) sets up distance sensor and vision counterpoint mechanism, and distance sensor and controller communication connection, vision counterpoint mechanism and controller communication connection, controller control connection drive assembly (4) and hoist engine (7).

6. The bridge crane with anti-sway function of claim 1, wherein the number of the winches (7) is at least two, two sets of ropes (8) are wound on the two sets of winches (7), and the ropes (8) on both sides are symmetrical to each other.

7. The bridge crane with the anti-sway function of claim 1, wherein the caliber of the cable through hole at the bottom of the crane body (3) is larger than the outer diameter of the cable (8), and the cable (8) is not in contact with the inner wall of the cable through hole.