CN211110697U

CN211110697U - Lifting device for gantry crane

Info

Publication number: CN211110697U
Application number: CN201920902446.1U
Authority: CN
Inventors: 朱铁闯; 朱立山; 石朝娜; 徐寸玲
Original assignee: Ningxia Heavy Industry Lifting Equipment Co ltd
Current assignee: Ningxia Heavy Industry Lifting Equipment Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-07-28
Anticipated expiration: 2029-06-14

Abstract

The utility model relates to the technical field of lifting devices, in particular to a lifting device for a gantry crane, which comprises a trolley guide rail, the trolley guide rail is arranged on a portal frame of the gantry crane, one side of the top part of the trolley guide rail is provided with a driving motor, the output end of the driving motor is provided with a speed reducer, the output end of the speed reducer is provided with a reel, a shaft coupling is arranged between the reel and the speed reducer, one end of the reel far away from the speed reducer is fixed with a universal driving shaft, one end of the universal driving shaft far away from the reel is provided with a driven wheel, both ends of the driven wheel are provided with belt grooves, one end of the belt far away from the driven wheel is sleeved with a driving wheel, one side of the driving wheel is provided with a rotating motor, the bottom part of the rotating motor is, and the lifting hook can be prevented from being out of control due to failure of the lifting mechanism.

Description

Lifting device for gantry crane

Technical Field

The utility model relates to a elevating gear technical field especially relates to an elevating gear for gantry crane.

Background

The gantry crane is a variant of a bridge crane and is also called a gantry crane. Mainly used outdoor goods yard, stock ground goods, the loading and unloading operation of bulk cargo, gantry crane has that the place utilization ratio is high, the working range is big, the adaptation face is wide, characteristics such as commonality are strong, but gantry crane's elevating gear, it rotates to rely on driving motor to drive reduction gear and reel mostly, thereby control lifting hook goes up and down, accomplish the operation of lifting by crane, receive great strength change at handling in-process reduction gear and reel, the damage efficiency is great, and when driving motor appears unusually, the lift of uncontrollable lifting hook, easy operation is dangerous.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the crane lifting mechanism is damaged very fast in the prior art, the shortcoming of uncontrollable phenomenon easily appears in the lifting hook, and the lifting device for the portal crane is provided.

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

the utility model provides a lifting device for gantry crane, includes the dolly guide rail, the dolly guide rail is installed on gantry crane portal, driving motor is installed to dolly guide rail top one side, the reduction gear is installed to driving motor's output, the reel is installed to the output of reduction gear, the reel with install the shaft coupling between the reduction gear, the reel is kept away from the one end of reduction gear is fixed with the universal driving shaft, the universal driving shaft is kept away from the one end of reel is installed from the driving wheel, all open the belt groove from the driving wheel both ends, belt groove internally mounted has the belt, the belt is kept away from the action wheel has been cup jointed from the one end of driving wheel, the rotating electrical machines is installed to action wheel one side, the fixing base is installed to the rotating electrical machines bottom, the fixing base top.

Preferably, a steel wire rope is wound on the winding drum, and a lifting hook is fixed at the bottom of the steel wire rope.

Preferably, the controller is electrically connected to the rotating motor, and the controller is electrically connected to the driving motor.

Preferably, the fixing seat is installed above the trolley guide rail, and the shielding cover is installed outside the fixing seat.

Preferably, the output end of the rotating motor is connected with the driving wheel, a rotating shaft is installed at the joint of the driving wheel, and one end, far away from the rotating motor, of the rotating shaft is fixed on the driving wheel.

The utility model provides a pair of elevating gear for gantry crane, beneficial effect lies in:

1. the linkage shaft is arranged at one end, far away from the speed reducer, of the winding drum, and the driven wheel is arranged on the linkage shaft, so that the pressure of the winding drum on a trolley guide rail can be reduced, and the damage efficiency of the winding drum is reduced.

2. Through installing action wheel and rotating electrical machines from the driving wheel, can be when driving motor trouble, through the work of controller control rotating electrical machines, accomplish the operation that receive and releases of lifting hook, reduce the threat nature that the accident caused to can reduce the pressure that hoist elevating gear caused the lift dolly guide rail through the linkage buffering from driving wheel and action wheel, reduce the damage efficiency of device.

Drawings

Fig. 1 is a schematic side view of a lifting device for a gantry crane according to the present invention;

fig. 2 is a schematic top view of a lifting device for a gantry crane according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a fixing seat of a lifting device for a gantry crane according to the present invention;

fig. 4 is the utility model provides a lifting device for gantry crane's inside structure schematic diagram that overlooks of fixing base.

In the figure: the device comprises a lifting trolley guide rail 1, a speed reducer 2, a coupler 3, a winding drum 4, a linkage shaft 5, a rotating shaft 6, a shielding cover 7, a fixed seat 8, a lifting hook 9, a driving motor 10, a driven wheel 11, a driving wheel 12, a belt 13, a rotating motor 14, a controller 15, a steel wire rope 16 and a belt groove 17.

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. 1-4, a lifting device for gantry crane, including dolly guide rail 1, dolly guide rail 1 installs on gantry crane portal, and driving motor 10 is installed to dolly guide rail 1 top one side, and reduction gear 2 is installed to driving motor 10's output, and reel 4 is installed to reduction gear 2's output, installs shaft coupling 3 between reel 4 and the reduction gear 2, and the winding has wire rope 16 on reel 4, and wire rope 16 bottom is fixed with lifting hook 9, can realize the normal raising and lowering functions of hoist.

A linkage shaft 5 is fixed at one end of the winding drum 4 far away from the speed reducer 2, a driven wheel 11 is installed at one end of the linkage shaft 5 far away from the winding drum 4, belt grooves 17 are formed in two ends of the driven wheel 11, a belt 13 is installed inside the belt grooves 17, a driving wheel 12 is sleeved at one end of the belt 13 far away from the driven wheel 11, a rotating motor 14 is installed at one side of the driving wheel 12, a fixed seat 8 is installed at the bottom of the rotating motor 14, a controller 15 is installed at the top of the fixed seat 8 and located at one side of the rotating motor 14, the controller 15 is electrically connected with a driving motor 10, a rotating shaft 6 is installed at the joint of the output end of the rotating motor 14 and the driving wheel 12, one end of the rotating shaft 6 far away from the rotating motor 14 is fixed on the driving wheel 12, the fixed seat 8 is, the service life of the device is prolonged, the controller 15 can receive signals sent by crane operators to control whether the rotating motor works or not, and the rotation of the winding drum 4 can be controlled in time when the driving motor 10 breaks down, so that the lifting hook 9 is prevented from being out of control and accidents are prevented.

The utility model discloses, through the one end installation universal driving shaft 5 of keeping away from reduction gear 2 at reel 4, from driving wheel 11 through the installation of universal driving shaft 5, can reduce reel 4 to lift trolley guide rail 1's pressure, reduce reel 4 and reduction gear 2's damage efficiency, through installing action wheel 12 and rotating electrical machines 14 from driving wheel 11, can be when driving motor 10 trouble, through the work of controller 15 control rotating electrical machines 14, accomplish the operation that receive and releases of lifting hook 9, reduce the threat nature that the accident caused, and can reduce the pressure that hoist elevating gear caused to lift trolley guide rail 1 through the linkage buffering from driving wheel 11 and action wheel 12, the damage efficiency of reducing mechanism.

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. The lifting device for the gantry crane comprises a trolley guide rail (1), wherein the trolley guide rail (1) is installed on a portal frame of the gantry crane, a driving motor (10) is installed on one side of the top of the trolley guide rail (1), a speed reducer (2) is installed at the output end of the driving motor (10), and is characterized in that a winding drum (4) is installed at the output end of the speed reducer (2), a coupler (3) is installed between the winding drum (4) and the speed reducer (2), a linkage shaft (5) is fixed at one end, far away from the speed reducer (2), of the winding drum (4) by the linkage shaft (5), a driven wheel (11) is installed at one end, far away from the winding drum (4), belt grooves (17) are formed in both ends of the driven wheel (11), a belt (13) is installed inside the belt (17), a driving wheel (12) is sleeved at one end, far away from, rotating electrical machines (14) are installed to action wheel (12) one side, fixing base (8) are installed to rotating electrical machines (14) bottom, fixing base (8) top just is located controller (15) are installed to rotating electrical machines (14) one side.

2. A lifting device for a gantry crane according to claim 1, characterized in that a steel cable (16) is wound around the drum (4), and a hook (9) is fixed to the bottom of the steel cable (16).

3. A lifting device for a gantry crane according to claim 1, characterized in that the controller (15) is electrically connected to the rotating motor (14) and the controller (15) is electrically connected to the driving motor (10).

4. Lifting device for a gantry crane according to claim 1, characterized in that the fastening seat (8) is mounted above the trolley rail (1), and a cover (7) is mounted on the outside of the fastening seat (8).

5. The lifting device for the gantry crane according to claim 1, wherein a rotating shaft (6) is installed at a position where the output end of the rotating motor (14) is connected with the driving wheel (12), and one end of the rotating shaft (6) far away from the rotating motor (14) is fixed on the driving wheel (12).