CN220317173U - Lifting device of gantry crane - Google Patents

Abstract

The utility model relates to the technical field of portal cranes, in particular to a lifting device of a portal crane, which comprises an installation box, wherein a connecting port is fixedly arranged at the bottom of the installation box, a first motor and a lifting mechanism are fixedly arranged at one side of the installation box, the lifting mechanism comprises a winding wheel and a traction rope, and the winding wheel is rotatably arranged in the installation box. According to the utility model, through the mutual matching of the first motor, the rotating shaft, the winding wheel, the traction rope and the hook, the rotation of the output end of the first motor can be conveniently realized, the rotating shaft is synchronously driven to rotate, the conical gear set is meshed with the winding wheel when the rotating shaft rotates, the winding wheel can conveniently wind and unwind the traction rope, the traction rope can conveniently lift a counterweight, the connection port can conveniently limit the traction rope, and the shaking condition can be effectively prevented when the traction rope is used.

Description

Lifting device of gantry crane

Technical Field

The utility model relates to the technical field of gantry cranes, in particular to a lifting device of a gantry crane.

Background

The portal crane is also called portal crane, and is mainly used for loading and unloading operations in outdoor goods yards and the like, and has the main functions of rapidly and accurately carrying very heavy goods, and is quite various in types, such as a portal crane, a bridge crane and the like, wherein the portal crane is quite common, but when an existing steel rope is lifted, heavy objects can swing greatly in the air, so that the heavy objects are quite dangerous, potential safety hazards exist, and meanwhile, the steel rope cannot be conveniently and orderly arranged in the traction process, so that the condition of irregular winding of the steel rope is caused, and the travelling track of the crane is limited in the use process, so that the lifting device of the portal crane needs to be designed.

Disclosure of Invention

The utility model aims to provide a lifting device of a portal crane, which solves the problems that the existing steel cable provided in the background art can swing in the air greatly when being lifted, is very dangerous, has potential safety hazards, can not conveniently arrange the steel cable in order in the traction process, causes the condition of irregular winding of the steel cable, and can limit the travelling track of the crane in the use process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lifting device of a gantry crane, comprising:

the mounting box is fixedly provided with a connecting port at the bottom, and a first motor is fixedly arranged at one side of the mounting box;

the lifting mechanism comprises a winding wheel and a traction rope, the winding wheel is rotatably arranged in the mounting box, the traction rope extending out of the connecting ports is wound on the outer side of the winding wheel, and the guide mechanism is fixedly arranged at the bottom of the mounting box between the connecting ports.

Preferably, the bottom of the traction rope is fixedly and movably provided with a mounting seat, and the bottom of the mounting seat is fixedly provided with a hook.

Preferably, the guide mechanism comprises a mounting plate and a threaded rod, wherein the mounting plate is fixedly arranged at the bottom of the mounting box, and the threaded rod is rotatably arranged between the mounting plates.

Preferably, the movable frame is spirally arranged on the outer side of the threaded rod, the sliding groove is formed in the mounting plate, and the sliding block matched with the sliding groove is fixedly arranged at the bottom of the movable frame.

Preferably, a guide plate extending to the inside of the connecting port is fixedly arranged on the outer side of the movable frame, and the guide plate is fixedly arranged between the movable frame and the movable frame through a mounting rod.

Preferably, a protective pad is adhered to the inner side of the guide plate, and the guide plate and the traction rope are mutually adhered.

Preferably, the output end of the first motor is fixedly provided with a rotating shaft extending into the installation box, and the rotating shaft and the winding wheel are installed in a transmission way through a bevel gear set.

Preferably, the second motor matched with the threaded rod is fixedly arranged at the rear end of the guide mechanism.

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

1. through being provided with first motor, the rotation axis, the wind-up pulley, the traction rope and couple between mutually supporting, rotation through first motor output that can be convenient drives the rotation axis in step, utilize meshing between conical gear group and the wind-up pulley when making the rotation axis rotatory, make the wind-up pulley receive and releases the traction rope that the messenger traction rope can be convenient rise the operation to the heavy object, utilize the connector can be convenient carry out spacingly with the traction rope, can effectually prevent the condition that rocks when using.

2. Through being provided with the mutually supporting between mounting panel, adjustable shelf, deflector and the sliding tray, rotation through the second motor can make threaded rod synchronous revolution, makes the adjustable shelf can remove along the screw thread direction of threaded rod, makes the adjustable shelf can carry out reciprocating motion, makes the deflector carry out spacing operation to the haulage rope, makes the in-process that carries out the rolling can be convenient direction operation, can be more neat when the rolling, prevents to appear overlapping phenomenon.

Drawings

FIG. 1 is a schematic view of an external perspective structure of the present utility model;

FIG. 2 is a schematic perspective view of a partial structure of a winding wheel of the present utility model;

FIG. 3 is a schematic perspective view of a part of a traction rope according to the present utility model;

fig. 4 is a schematic perspective view of a partial structure of a mounting plate according to the present utility model.

In the figure: 1. a mounting box; 101. a connection port; 102. a first motor; 103. a rotation shaft; 104. a conical gear set; 2. a lifting mechanism; 201. a winding wheel; 202. a traction rope; 203. a mounting base; 204. a hook; 3. a guide mechanism; 301. a mounting plate; 302. a threaded rod; 303. a movable frame; 304. a guide plate; 305. a sliding groove; 306. a sliding block; 307. a mounting rod; 308. and a second motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, an embodiment of the present utility model is provided: a lifting device of a gantry crane, comprising: the device comprises a mounting box 1, wherein a connecting port 101 is fixedly arranged at the bottom of the mounting box 1, and a first motor 102 is fixedly arranged at one side of the mounting box 1;

the lifting mechanism 2 comprises a winding wheel 201 and a traction rope 202, the winding wheel 201 is rotatably arranged in the installation box 1, the traction rope 202 extending out of the connection port 101 is wound on the outer side of the winding wheel 201, and the guide mechanism 3 is fixedly arranged at the bottom of the installation box 1 between the connection ports 101. Utilize meshing between conical gear group 104 and the take-up pulley 201, make take-up pulley 201 receive and release haulage rope 202 that can be convenient, make haulage rope 202 can be convenient rise the operation to the heavy object, utilize connector 101 can be convenient carry out spacingly with haulage rope 202, can effectually prevent the condition that appears rocking when using.

Further, the bottom of the traction rope 202 is fixedly and movably provided with a mounting seat 203, and the bottom of the mounting seat 203 is fixedly provided with a hook 204. The winding wheel 201 winds and unwinds the traction rope 202, so that the traction rope 202 can conveniently lift a counterweight, and the traction rope 202 can be conveniently limited by using the connecting port 101.

Example two

Compared with the first embodiment, referring to fig. 4, the guiding mechanism 3 includes a mounting plate 301 and a threaded rod 302, the bottom of the mounting box 1 is fixedly provided with the mounting plate 301, and the threaded rod 302 is rotatably arranged between the mounting plates 301. The rotation of the second motor 308 can rotate the threaded rod 302 in synchronization, so that the movable frame 303 can move along the thread direction of the threaded rod 302, and the movable frame 303 can reciprocate.

Further, a movable frame 303 is spirally mounted on the outer side of the threaded rod 302, a sliding groove 305 is formed in the mounting plate 301, and a sliding block 306 matched with the sliding groove 305 is fixedly mounted at the bottom of the movable frame 303. By means of the mutual matching between the sliding grooves 305 and the sliding blocks 306, the sliding blocks can be conveniently limited in the moving process of the movable frame 303, so that the sliding blocks are more stable in the moving process.

Further, a guide plate 304 extending into the connection port 101 is fixedly installed on the outer side of the movable frame 303, and the guide plate 304 and the movable frame 303 are fixedly installed through an installation rod 307. The guide plate 304 can limit the traction rope 202, so that the guide operation can be convenient in the winding process.

Example III

In the lifting device of the gantry crane according to the present utility model, as compared with the first embodiment, referring to fig. 2 and 4, a protection pad is adhered to the inner side of the guide plate 304, and the guide plate 304 and the traction rope 202 are adhered to each other. Utilize movable frame 303 can carry out reciprocating motion, make deflector 304 can carry out spacing operation to haulage rope 202, make the in-process that carries out the rolling can be convenient direction operation, can be more neat when the rolling.

Further, a rotating shaft 103 extending into the installation box 1 is fixedly arranged at the output end of the first motor 102, and the rotating shaft 103 and the winding wheel 201 are in transmission installation through a bevel gear set 104. Through the rotation of the output end of the first motor 102, the rotation shaft 103 is synchronously driven to rotate, and when the rotation shaft 103 rotates, the winding wheel 201 can conveniently wind and unwind the traction rope 202 by utilizing the engagement between the bevel gear set 104 and the winding wheel 201.

Further, a second motor 308 matched with the threaded rod 302 is fixedly arranged at the rear end of the guide mechanism 3. The rotation of the second motor 308 can rotate the threaded rod 302 in synchronization, and the movable frame 303 can move along the thread direction of the threaded rod 302.

Working principle: through the rotation of first motor 102 output, synchronous drive rotation axis 103 is rotatory, utilize meshing between conical gear group 104 and the take-up pulley 201 when making rotation axis 103 rotatory, make take-up pulley 201 receive and release haulage rope 202 that messenger's haulage rope 202 can be convenient rise the operation to the heavy thing, utilize connector 101 can be convenient carry out spacing with haulage rope 202, can effectually prevent the condition that rocks when using, can make threaded rod 302 synchronous rotation through the rotation of second motor 308, make movable frame 303 can remove along the screw direction of threaded rod 302, make movable frame 303 can carry out reciprocating motion, make deflector 304 can carry out spacing operation to haulage rope 202, the guide operation that messenger can be convenient in the in-process of carrying out the rolling, can be more neat when the rolling, prevent the phenomenon of overlapping.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A lifting device for a gantry crane, comprising:

the device comprises a mounting box (1), wherein a connecting port (101) is fixedly arranged at the bottom of the mounting box (1), and a first motor (102) is fixedly arranged at one side of the mounting box (1);

hoisting mechanism (2), hoisting mechanism (2) include reel (201) and haulage rope (202), reel (201) are installed in the inside rotation of install bin (1), the outside rolling of reel (201) has haulage rope (202) that extend connector (101), install bin (1) bottom fixed mounting between connector (101) guiding mechanism (3).

2. A hoisting device for a gantry crane according to claim 1, characterized in that: the bottom of haulage rope (202) is fixed movable mounting has mount pad (203), the bottom fixed mounting of mount pad (203) has couple (204).

3. A hoisting device for a gantry crane according to claim 1, characterized in that: the guide mechanism (3) comprises a mounting plate (301) and a threaded rod (302), wherein the mounting plate (301) is fixedly mounted at the bottom of the mounting box (1), and the threaded rod (302) is rotatably mounted between the mounting plates (301).

4. A hoisting device for a gantry crane according to claim 3, characterized in that: the outside spiral of threaded rod (302) is installed movable frame (303), sliding tray (305) have been seted up to the inside of mounting panel (301), the bottom fixed mounting of movable frame (303) has slider (306) with sliding tray (305) complex.

5. The lifting device of a gantry crane according to claim 4, wherein: the outside of movable frame (303) fixed mounting has deflector (304) that extends to connector (101) inside, pass through installation pole (307) fixed mounting between deflector (304) and movable frame (303).

6. The lifting device of a gantry crane according to claim 5, wherein: the inner side of the guide plate (304) is adhered with a protection pad, and the guide plate (304) and the traction rope (202) are mutually adhered.

7. A hoisting device for a gantry crane according to claim 1, characterized in that: the output end of the first motor (102) is fixedly provided with a rotating shaft (103) extending to the inside of the installation box (1), and the rotating shaft (103) and the winding wheel (201) are installed in a transmission way through a conical gear set (104).

8. A hoisting device for a gantry crane according to claim 1, characterized in that: the rear end of the guide mechanism (3) is fixedly provided with a second motor (308) matched with the threaded rod (302).