CN220519937U

CN220519937U - Portal frame

Info

Publication number: CN220519937U
Application number: CN202321538048.9U
Authority: CN
Inventors: 朱蒙
Original assignee: Suzhou Qiaowo Automation Technology Co ltd
Current assignee: Suzhou Qiaowo Automation Technology Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2024-02-23
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a portal frame, which comprises: the rack comprises a rack body, wherein a rack group is arranged on the rack body, and two groups of gantry hoisting mechanisms are arranged on the rack group, so that the connecting end of each gantry hoisting mechanism is connected with the rack group through a connecting disc provided with annularly distributed cylinders; each group of gantry lifting mechanisms is provided with a gantry beam; and a gantry hoisting head is arranged on the gantry beam. According to the lifting device, the connecting disc with the column body ensures that the whole gantry has larger torque and bears heavier lifting tasks when in operation. The racks are arranged on the frame body in a separated mode, and the movement stroke of the whole gantry is limited at two ends of each rack through the limiting abutting blocks.

Description

Portal frame

Technical Field

The utility model relates to the technical field of a portal frame, in particular to a portal frame.

Background

The portal frame is a novel small-sized lifting portal frame which is developed according to the requirements of carrying equipment, warehouse goods entering and exiting, lifting and maintaining heavy equipment and material transportation in daily production of middle and small factories (companies), is suitable for manufacturing molds, steam repair factories, mines, civil construction sites and occasions needing lifting, is commonly used as material transportation and constructors in building construction, realizes lifting mechanization, reduces manpower, reduces production and operation cost and improves working efficiency.

The existing portal frame is poor in stability, shaking easily occurs in the using process, meanwhile, the moving communication of the portal beam is realized through the meshing of the gear and the rack, so that when a heavy product is arranged on the portal beam, larger torque is generated or the gear is caused to collapse, and larger abnormal sound and vibration are generated.

Disclosure of Invention

The utility model aims to provide a portal frame.

To achieve the above object, the present utility model adopts the following:

a gantry, comprising: the rack comprises a rack body, wherein a rack group is arranged on the rack body, and two groups of gantry hoisting mechanisms are arranged on the rack group, so that the connecting end of each gantry hoisting mechanism is connected with the rack group through a connecting disc provided with annularly distributed cylinders; each group of gantry lifting mechanisms is provided with a gantry beam; and a gantry hoisting head is arranged on the gantry beam.

Through the connecting disc with the cylinder, the whole gantry is ensured to have larger torque and bear heavier lifting tasks when in operation.

Preferably, the frame body includes: the support beam comprises two bearing beams with a plurality of supporting legs, a cross beam for connecting the two bearing beams and a support beam positioned between the two bearing beams; a sliding rail is arranged above the bearing beam, and a rack group is arranged on the side edge of the sliding rail; and a gantry hoisting mechanism is arranged on the sliding rail.

Preferably, the rack gear set includes: four racks, wherein every two racks are arranged on the same slide rail; both ends of each rack are provided with limiting abutting blocks.

The racks are arranged on the frame body in a separated mode, and the movement stroke of the whole gantry is limited at two ends of each rack through the limiting abutting blocks.

Preferably, the gantry lifting mechanism comprises: the lifting device comprises a sliding plate connected to a sliding rail, a supporting plate arranged on the sliding plate and a lifting bin positioned on the supporting plate; the sliding plate is connected to the sliding rail through two sliding blocks; a vertical motor is arranged on the supporting plate, and a connecting disc is arranged at the output end of the vertical motor; a lifting bin is arranged on one side of the supporting plate; a screw rod and a lifting slide rail are arranged in the lifting bin, and are connected to the gantry beam together; the upper end of the screw rod extends out of the lifting bin and is connected with a lifting motor.

Preferably, the gantry beam includes: the beam connecting plate assembly is connected to the screw rod and the lifting sliding rail, an H-shaped beam is arranged between the beam connecting plate assemblies, and a gantry lifting head is arranged at the center of the beam.

Preferably, the beam-receiving plate assembly includes: the first connecting plate is connected with the screw rod and the lifting slide rail through the screw sleeve and the slide block; the first connecting plate is provided with an L-shaped second connecting plate; corner plates for fixing are arranged at the corners of the second connecting plates; an H-shaped cross beam is arranged on the second connecting plate.

Preferably, the gantry lifting head is fixedly connected to the H-shaped cross beam, and a connecting panel is arranged at the lower end of the gantry lifting head.

The utility model has the following advantages:

1. according to the lifting device, the connecting disc with the column body ensures that the whole gantry has larger torque and bears heavier lifting tasks when in operation.

2. According to the device, racks are separately arranged on the frame body, and the movement stroke of the whole gantry is limited at two ends of each rack through the limiting abutting blocks.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings;

FIG. 1 is a schematic view of a gantry structure of the present utility model;

FIG. 2 is a schematic view of a gantry frame of the present utility model;

FIG. 3 is a schematic view of a gantry rack set of the present utility model;

FIG. 4 is a schematic structural view of a gantry lifting mechanism and gantry beam of the present utility model;

FIG. 5 is a schematic structural view of a gantry lifting mechanism of the gantry of the present utility model;

FIG. 6 is a schematic view of a gantry lifting mechanism of the present utility model from another perspective;

FIG. 7 is a schematic diagram of the internal structure of a lifting bin of a gantry lifting mechanism of the gantry;

FIG. 8 is a schematic view of a gantry lifting head of the gantry of the present utility model;

in the drawings, each reference numeral is:

1-frame body, 101-bearing beam, 102-cross beam, 103-supporting beam, 104-slide rail, 105-rack group, 2-rack group, 201-rack, 202-limit abutting block, 3-gantry lifting mechanism, 301-sliding plate, 302-supporting plate, 303-lifting bin, 3031-screw rod, 3032-lifting slide rail, 304-lifting motor, 305-vertical motor, 306-connecting disc, 3061-column, 4-gantry cross beam, 401-cross beam connecting plate assembly, 4011-first connecting plate, 4012-second connecting plate, 4013-angle plate, 402-H-shaped cross beam, 5-gantry lifting head and 501-connecting panel.

Detailed Description

In order to more clearly illustrate the present utility model, the present utility model will be further described with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this utility model is not limited to the details given herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 8, a portal frame includes: the rack comprises a rack body 1, wherein a rack group 2 is arranged on the rack body 1, and two groups of gantry hoisting mechanisms 3 are arranged on the rack group 2, so that the connecting end of the gantry hoisting mechanisms 3 is connected with the rack group 2 through a connecting disc provided with columns which are distributed in an annular manner; a gantry beam 4 is arranged on each group of gantry lifting mechanisms 3; and a gantry lifting head 5 is arranged on the gantry beam 4.

Further, the frame 1 includes: two carrier beams 101 having a plurality of legs, a cross beam 102 connecting the two carrier beams 101, and a support beam 103 located between the two carrier beams 101; a sliding rail 104 is arranged above the bearing beam 101, and a rack group 2 is arranged on the side edge of the sliding rail 104; the sliding rail 104 is provided with a gantry lifting mechanism 3. The rack gear set 2 includes: four racks 201, each two of which are arranged on the same slide rail; both ends of each rack 201 are provided with limiting abutting blocks 202.

Further, the gantry lifting mechanism 3 includes: a sliding plate 301 connected to the sliding rail 104, a supporting plate 302 arranged on the sliding plate 301, and a lifting bin 303 arranged on the supporting plate 302; the sliding plate 301 is connected to the sliding rail 104 through two sliding blocks; a vertical motor 305 is arranged on the supporting plate 302, and a connecting disc 306 is arranged at the output end of the vertical motor 305; a lifting bin 303 is arranged on one side of the supporting plate 302; a screw rod 3031 and a lifting slide rail 3032 are arranged in the lifting bin 303, and the screw rod 3031 and the lifting slide rail 3032 are commonly connected to the gantry beam 4; the upper end of the screw 3031 extends out of the lifting bin 303 and is connected with a lifting motor 304.

Further, the gantry beam 4 includes: the beam connecting plate assemblies 401, the beam connecting plate assemblies 401 are connected to the screw 3031 and the lifting slide rail 3032, an H-shaped beam 402 is arranged between the two beam connecting plate assemblies 401, and a gantry lifting head 5 is arranged at the center of the H-shaped beam 402.

Further, the beam-plate assembly 401 includes: the first connecting plate 4011, wherein the first connecting plate 4011 is connected with the screw rod and the lifting slide rail through a threaded sleeve and a sliding block; the first connecting plate 4011 is provided with an L-shaped second connecting plate 4012; corner of the second connecting plate 4012 is provided with a corner plate 4013 for fixing; an H-shaped cross beam is arranged on the second connecting plate.

Further, the gantry lifting head 5 is fixedly connected to the H-shaped beam 402, and a connection panel 501 is disposed at the lower end.

The connecting disc 306 is provided with two layers, is sleeved at the output end of the vertical motor, is provided with a column 3061 between the two layers of structures, has annular density equal to the tooth density of the rack, and is clamped in the teeth of the rack and moves forwards gradually when the vertical motor works to drive the connecting disc to rotate.

It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.

Claims

1. A gantry, comprising: the rack comprises a rack body, wherein a rack group is arranged on the rack body, and two groups of gantry hoisting mechanisms are arranged on the rack group, so that the connecting end of each gantry hoisting mechanism is connected with the rack group through a connecting disc provided with annularly distributed cylinders;

each group of gantry lifting mechanisms is provided with a gantry beam; and a gantry hoisting head is arranged on the gantry beam.

2. The gantry of claim 1, wherein the frame body comprises: the support beam comprises two bearing beams with a plurality of supporting legs, a cross beam for connecting the two bearing beams and a support beam positioned between the two bearing beams; a sliding rail is arranged above the bearing beam, and a rack group is arranged on the side edge of the sliding rail; and a gantry hoisting mechanism is arranged on the sliding rail.

3. The gantry of claim 2, wherein the rack set comprises: four racks, wherein every two racks are arranged on the same slide rail; both ends of each rack are provided with limiting abutting blocks.

4. The gantry of claim 1, wherein the gantry lifting mechanism comprises: the lifting device comprises a sliding plate connected to a sliding rail, a supporting plate arranged on the sliding plate and a lifting bin positioned on the supporting plate; the sliding plate is connected to the sliding rail through two sliding blocks; a vertical motor is arranged on the supporting plate, and a connecting disc is arranged at the output end of the vertical motor; a lifting bin is arranged on one side of the supporting plate; a screw rod and a lifting slide rail are arranged in the lifting bin, and are connected to the gantry beam together; the upper end of the screw rod extends out of the lifting bin and is connected with a lifting motor.

5. The gantry of claim 4, wherein the gantry beam comprises: the beam connecting plate assembly is connected to the screw rod and the lifting sliding rail, an H-shaped beam is arranged between the beam connecting plate assemblies, and a gantry lifting head is arranged at the center of the H-shaped beam.

6. The portal frame of claim 5, wherein the beam-to-beam plate assembly comprises: the first connecting plate is connected with the screw rod and the lifting slide rail through the screw sleeve and the slide block; the first connecting plate is provided with an L-shaped second connecting plate; corner plates for fixing are arranged at the corners of the second connecting plates; an H-shaped cross beam is arranged on the second connecting plate.

7. The portal frame of claim 5, wherein the portal frame hoisting head is fixedly connected to the H-shaped cross beam, and a connection panel is arranged at the lower end of the portal frame hoisting head.