CN209835466U

CN209835466U - Bridge crane

Info

Publication number: CN209835466U
Application number: CN201920538922.6U
Authority: CN
Inventors: 李相林; 臧宝运; 云建平; 董志坤; 朱振奎
Original assignee: HENAN SHENGHUA HEAVY CRANE CO Ltd
Current assignee: HENAN SHENGHUA HEAVY CRANE CO Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-12-24
Anticipated expiration: 2029-04-19

Abstract

The utility model belongs to the hoist field, especially, bridge crane, the problem of the horizontal migration to current hoist lacks the buffering, the scheme is as follows now put forward, it includes the crossbeam, the bottom both sides of crossbeam are fixed with the support column, the bottom bolted fixation of support column has the base, top one side bolted fixation of crossbeam has first motor, the output shaft of first motor has the screw rod, the movable block has been cup jointed to the outside screw thread of screw rod, the bottom welding of movable block has the install bin, be equipped with second motor and wire winding roller in the install bin, the bottom both sides welding of crossbeam has the fixed block, one side of fixed block is equipped with the spout, welding has guide bar and first spring in the spout, it has the connecting rod to articulate on the slider, the other end of connecting rod articulates there is the shock attenuation board, the welding has the liter pole between shock attenuation board and the fixed block, the. The utility model discloses play fine buffering effect, the effectual hoist that has protected to the horizontal migration mechanism of hoist.

Description

Bridge crane

Technical Field

The utility model relates to a hoist technical field especially relates to a bridge crane.

Background

The crane refers to a hoisting machine for vertically lifting and horizontally carrying heavy objects in a moving range. The existing crane lacks a protection device when moving horizontally, the horizontal moving mechanism stops moving when moving to two sides of the crane, and the carried heavy object can continue to move due to inertia and is easy to damage the horizontal moving mechanism, so that the bridge crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of bridge crane, the horizontal migration who has solved the hoist lacks the problem of buffering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bridge crane comprises a cross beam, support columns are fixed on two sides of the bottom of the cross beam through bolts, a base is fixed on the bottom of each support column through bolts, a first motor is fixed on one side of the top of the cross beam through bolts, an output shaft of the first motor is connected with a screw rod through a coupler, a moving block is sleeved on the outer side of the screw rod in a threaded manner, a through groove is formed in the top of the cross beam, the moving block is connected in the through groove in a sliding manner, an installation box is welded at the bottom end of the moving block, a second motor and a winding roller are arranged in the installation box, a steel wire rope is wound on the winding roller, a hook is connected to the bottom end of the steel wire rope, fixed blocks are welded on two sides of the bottom of the cross beam, a sliding groove is formed in one side, a guide rod is welded in the, a telescopic rod is welded between the damping plate and the fixed block, and a second spring is sleeved on the outer side of the telescopic rod.

Preferably, one side of the top of the cross beam, which is far away from the first motor, is welded with a connecting block, one side of the connecting block is fixed with a bearing with a seat through a bolt, and one end of the screw, which is far away from the first motor, is connected in the bearing with the seat.

Preferably, the output shaft of the second motor is connected with the winding roller through a coupler, the steel wire rope is wound on the winding roller, a through hole is formed in the bottom of the installation box, and the bottom end of the steel wire rope penetrates through the installation box and is located below the installation box.

Preferably, the sliding blocks and the first springs are both provided with two, the first springs are located on one sides, away from each other, of the two sliding blocks, and one ends of the connecting rods are hinged to the middle of the damping plate.

Preferably, the number of the telescopic lifting rods is two, and the two telescopic lifting rods are respectively located above and below the sliding groove.

The utility model discloses in, through the setting of fixed block, spout, guide bar, slider, first spring, second spring, connection, liter telescopic link and second spring, play the effect of buffering to the install bin to play the effect of buffering to movable block 7, the buffering shock attenuation is effectual.

The utility model discloses play fine buffering effect, the effectual hoist that has protected to the horizontal migration mechanism of hoist.

Drawings

Fig. 1 is a schematic structural diagram of a bridge crane according to the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Reference numbers in the figures: the device comprises a supporting column 1, a base 2, a cross beam 3, a first motor 4, a connecting block 5, a screw rod 6, a moving block 7, a second motor 8, an installation box 9, a winding roller 10, a steel wire rope 11, a hook 12, a sliding block 13, a sliding chute 14, a guide rod 15, a first spring 16, a telescopic rod 17, a second spring 18, a damping plate 19, a connecting rod 20 and a fixing block 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a bridge crane comprises a beam 3, support columns 1 are fixed on two sides of the bottom of the beam 3 through bolts, a base 2 is fixed on the bottom end of each support column 1 through bolts, a first motor 4 is fixed on one side of the top of the beam 3 through bolts, an output shaft of the first motor 4 is connected with a screw rod 6 through a coupling, a moving block 7 is sleeved on the outer side of the screw rod 6 through threads, a through groove is formed in the top of the beam 3, the moving block 7 is connected in the through groove in a sliding manner, an installation box 9 is welded at the bottom end of the moving block 7, a second motor 8 and a winding roller 10 are arranged in the installation box 9, a steel wire rope 11 is wound on the winding roller 10, a hook 12 is connected at the bottom end of the steel wire rope 11, fixed blocks 21 are welded on two sides of the bottom of the beam 3, a sliding groove, a connecting rod 20 is hinged on the sliding block 13, a damping plate 19 is hinged at the other end of the connecting rod 20, a telescopic rod 17 is welded between the damping plate 19 and a fixed block 21, and a second spring 18 is sleeved on the outer side of the telescopic rod 17.

In this embodiment, one side welding that first motor 4 was kept away from at the top of crossbeam 3 has connecting block 5, one side bolt fastening of connecting block 5 has the rolling bearing, the one end that first motor 4 was kept away from to screw rod 6 is connected in the rolling bearing, the output shaft of second motor 8 passes through the shaft coupling and is connected with winding roller 10, wire rope 11 is around establishing on winding roller 10, the bottom of install bin 9 is equipped with the through-hole, wire rope 11's bottom is passed and is located the below of install bin 9, slider 13 and first spring 16 all are equipped with two, first spring 16 is located the one side that two sliders 13 kept away from each other, the one end of connecting rod 20 articulates the intermediate position at shock attenuation board 19, it is equipped with two to rise flexible rod 17, two rise flexible rod 17 and be located the top and the below of spout 14 respectively.

Example (b): when the device is used, a heavy object is hung through the hook 12, the second motor 8 is started, the motor 8 drives the winding roller 10 to rotate, the steel wire rope 11 is enabled to lift the heavy object to a proper height, the first motor 4 is started, the first motor 4 drives the screw rod 6 to rotate, the moving block 7 is enabled to move along the length direction of the screw rod 6, the horizontal direction movement of the heavy object is achieved, when the installation box 9 moves to two sides, as the moving block 7 stops moving, the heavy object moves back and forth under the inertia effect, the installation box 9 and the moving block 7 are unstable, the threaded connection structure of the screw rod 6 and the moving block 7 is easy to damage, through the arrangement of the damping plate 19, the damping rubber plate is pasted on the side wall of the damping plate 19, when the installation box 9 is in contact with the damping plate 19, the second spring 18 is compressed, the second spring 18 provides a reverse buffer force for the damping plate 19, and meanwhile the connecting, the first spring 16 is compressed, the first spring 16 absorbs energy generated by vibration, the buffering effect is good, and the crane is effectively protected.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bridge crane comprises a cross beam (3) and is characterized in that support columns (1) are fixed on two sides of the bottom of the cross beam (3) through bolts, a base (2) is fixed on the bottom of each support column (1) through bolts, a first motor (4) is fixed on one side of the top of the cross beam (3) through bolts, an output shaft of the first motor (4) is connected with a screw rod (6) through a coupler, a moving block (7) is sleeved on the outer side of the screw rod (6) in a threaded mode, a through groove is formed in the top of the cross beam (3), the moving block (7) is connected in the through groove in a sliding mode, an installation box (9) is welded at the bottom end of the moving block (7), a second motor (8) and a winding roller (10) are arranged in the installation box (9), a steel wire rope (11) is wound on the winding roller (10), a hook (12) is connected at the, one side that fixed block (21) are close to each other is equipped with spout (14), the welding has guide bar (15) in spout (14), the outside cover of guide bar (15) is equipped with slider (13) and first spring (16), and it has connecting rod (20) to go up articulated on slider (13), and the other end of connecting rod (20) articulates there is shock attenuation board (19), the welding has between shock attenuation board (19) and fixed block (21) and rises and contract pole (17), and the outside cover that rises and contract pole (17) is equipped with second spring (18).

2. A bridge crane according to claim 1, wherein the connecting block (5) is welded on the side of the top of the cross beam (3) far from the first motor (4), a bearing with a seat is bolted on one side of the connecting block (5), and one end of the screw rod (6) far from the first motor (4) is connected in the bearing with a seat.

3. A bridge crane according to claim 1, wherein the output shaft of the second motor (8) is connected to the winding roller (10) through a coupling, the wire rope (11) is wound around the winding roller (10), the bottom of the mounting box (9) is provided with a through hole, and the bottom end of the wire rope (11) passes through and is located below the mounting box (9).

4. A bridge crane according to claim 1, characterized in that there are two of said sliders (13) and said first spring (16), the first spring (16) being located on the side of the two sliders (13) remote from each other, and in that one end of the link (20) is hinged in an intermediate position on the shock absorbing plate (19).

5. A bridge crane according to claim 1, wherein there are two telescopic bars (17), and the two telescopic bars (17) are located above and below the chute (14), respectively.