阅读说明：本技术 气垫搬运龙门架 (Air cushion carrying portal frame ) 是由 王涛 于 2019-05-06 设计创作，主要内容包括：本发明涉及一种气垫搬运龙门架包括横梁,横梁的两端通过支撑架立设在地面上,横梁上设有滑动起吊装置,支撑架的底座下设有若干气垫搬运装置,气垫搬运装置包括支撑底板,支撑底板内设有进气通道,进气通道与平放在支撑底板的底面上的闭环橡胶充气垫连通,闭环橡胶充气垫的内环内设有筒状抬举气压室,筒状抬举气压室的上端与支撑底板的底面中央密闭连接,抬举气压室的侧壁上设有气压室进气口,抬举气压室的底板上设有多个气孔,支撑底板的板面上设有调平台,调平台包括电子水平仪,调平台与支撑架的底座连接。本发明采用在龙门架的底座下设置气垫搬运装置改善龙门架的适用性,具有适用性好以及能够在搬运过程中保持搬运物水平状态的特点。(The invention relates to an air cushion carrying portal frame which comprises a cross beam, wherein two ends of the cross beam are vertically arranged on the ground through a support frame, a sliding lifting device is arranged on the cross beam, a plurality of air cushion carrying devices are arranged below a base of the support frame, each air cushion carrying device comprises a support bottom plate, an air inlet channel is arranged in each support bottom plate and is communicated with a closed-loop rubber inflatable cushion horizontally arranged on the bottom surface of each support bottom plate, a cylindrical lifting air pressure chamber is arranged in an inner ring of each closed-loop rubber inflatable cushion, the upper end of each cylindrical lifting air pressure chamber is hermetically connected with the center of the bottom surface of each support bottom plate, an air pressure chamber air inlet is arranged on the side wall of each lifting air pressure chamber, a plurality of air holes are formed in the bottom plate of each lifting air pressure chamber, an adjusting platform is. The air cushion carrying device is arranged under the base of the portal frame to improve the applicability of the portal frame, and the air cushion carrying device has the characteristics of good applicability and capability of keeping a carried object in a horizontal state in the carrying process.)

1. Air cushion transport portal frame, characterized by including the crossbeam, the both ends of crossbeam are established subaerial through the carriage immediately, be equipped with slip hoisting accessory on the crossbeam, the base of support frame has a plurality of air cushion handling devices, air cushion handling device includes the supporting baseplate, be equipped with inlet channel in the supporting baseplate, inlet channel and the closed loop rubber inflatable packer intercommunication of keeping flat on the bottom surface of supporting baseplate, be equipped with the tube-shape in the inner ring of closed loop rubber inflatable packer and lift the barochamber, the upper end of tube-shape lift the barochamber with the central airtight connection in bottom surface of supporting baseplate, be equipped with the barochamber air inlet on the lateral wall of lifting the barochamber, be equipped with a plurality of gas pockets on the bottom plate of lifting the barochamber, be equipped with the platform of transferring on the face of supporting baseplate, the platform of transferring includes the electronic level appearance, the platform of transferring is connected with the base, closed loop rubber inflatable packer passes through seal after inlet channel inflation and forms inclosed inflatable rubber pad, outside high pressurized air source passes through the barochamber air inlet to the tube-shape is lifted the indoor inflation of barochamber, fills in the tube-shape is lifted the high-pressure gas of barochamber and is followed a plurality of gas pocket discharges and is in it lifts to form between the bottom plate of barochamber and ground air cushion handling device's high-pressure draught, the high-pressure draught jacking air cushion handling device is in it forms annular high-pressure draught layer of releasing to inflate between rubber pad and ground, air cushion handling device passes through high-pressure draught layer forms superficial empty transport state, leveling platform keeps the horizontal transport state of portal frame.

2. The air cushion handling gantry of claim 1, wherein the sliding hoisting device comprises a slider seat, an electric hoist and an electromagnetic positioning block are arranged on the slider seat, and the electric hoist hoists the ferromagnetic metal box loaded with the object to be handled and is fixed to the electromagnetic positioning block in an adsorption manner.

3. The air cushion carrying portal frame of claim 1, wherein the leveling platform comprises a platform adjusting base, a plurality of leveling air bag grooves are formed in a carrying surface of the platform adjusting base, leveling air bags are arranged in the leveling air bag grooves, the bottoms of the leveling air bags are communicated with an inflation tube, the inflation tube is communicated with an external air source through an air tube channel in the platform adjusting base, and the horizontal position of a carrying panel arranged on the leveling air bags is adjusted by adjusting the inflation degree of the leveling air bags.

4. The air cushion handling gantry of claim 3, wherein said leveling platform further comprises a leveling intelligent control system, said leveling intelligent control system comprises a central processor, said central processor adjusts the inflation degree of said leveling airbag by controlling the on/off state of an electromagnetic valve provided on said inflation tube according to the horizontal tilt information transmitted by said electronic level meter in real time.

5. The air cushion handling gantry of claim 3, wherein the bearing surface of the adjustable platform base is square, and the leveling bladder grooves are formed at the corners and the center of the bearing surface of the adjustable platform base.

6. The air cushion handling gantry of claim 3, wherein said support surface of said adjustable platform base is circular, said adjustable platform base support surface having a center with one of said leveling bladder grooves, said adjustable platform base support surface having a plurality of ring leveling bladder groove sets radially outward from said center, said leveling bladder groove sets comprising said leveling bladder grooves disposed circumferentially equidistant.

7. The air cushion handling gantry of claim 1, wherein an elastic dust cover is circumferentially and annularly arranged on the outer ring side wall of the closed-loop rubber inflatable cushion, the lower end of the elastic dust cover is in contact with the ground, the elastic dust cover which is not deformed is a cylindrical structure with gradually increased radial dimension along the axial direction of the closed-loop rubber inflatable cushion, the elastic dust cover which bears the pressure is a flat annular structure, and the gas discharged from the high-pressure gas flow discharging layer is discharged through a gap between the elastic dust cover and the ground.

Technical Field

The invention relates to a portal frame, in particular to an air cushion carrying portal frame, and belongs to the field of air portal frames.

Background

At present, a portal frame is needed to be used for carrying objects in a plurality of working occasions, but the portal frame mostly belongs to medium-large equipment, and the operation and the movement of the portal frame generally depend on ground guide rail facilities, so that the problems of investment, high operation cost, limited applicability, low equipment utilization rate, inconvenience in disassembly, assembly and maintenance and the like exist. The air cushion carrying device is simple in structure, flexible and convenient to use, and suitable for carrying and shifting precision equipment which cannot bear vibration and has high requirements on carrying stability, and other external environments suitable for application. At present, the air cushion is used for carrying heavy objects in an economical and efficient mode, the air bag is expanded by utilizing compressed air, and the expanded air bag enables heavy load to rise off the ground and float on one layer of air film, so that the operations such as rotation, movement and the like can be conveniently realized. It is difficult to maintain the horizontal state of the conveyed object during the conveyance.

Disclosure of Invention

The invention discloses a novel scheme for an air cushion carrying portal frame, which improves the applicability of the portal frame by arranging an air cushion carrying device capable of keeping a carried object in a horizontal state under a base of the portal frame and solves the problems that the existing portal frame depends on ground guide rail facilities and the like.

The invention relates to an air cushion carrying portal frame, which comprises a cross beam, wherein two ends of the cross beam are vertically arranged on the ground through a support frame, a sliding lifting device is arranged on the cross beam, a plurality of air cushion carrying devices are arranged below a base of the support frame, each air cushion carrying device comprises a support bottom plate, an air inlet channel is arranged in each support bottom plate and is communicated with a closed-loop rubber inflatable cushion horizontally arranged on the bottom surface of each support bottom plate, a cylindrical lifting air pressure chamber is arranged in an inner ring of each closed-loop rubber inflatable cushion, the upper end of each cylindrical lifting air pressure chamber is hermetically connected with the center of the bottom surface of each support bottom plate, an air pressure chamber air inlet is arranged on the side wall of each lifting air pressure chamber, a plurality of air holes are arranged on the bottom plate of each lifting air pressure chamber, an adjusting platform is arranged on the plate surface of each support bottom plate and comprises an, an external high-pressure air source inflates the cylindrical lifting air pressure chamber through an air inlet of the air pressure chamber, high-pressure air inflated into the cylindrical lifting air pressure chamber is exhausted from the plurality of air holes to form high-pressure air flow of the lifting air cushion carrying device between a bottom plate of the lifting air pressure chamber and the ground, an annular high-pressure air flow discharging layer is formed between the inflating rubber pad and the ground by the high-pressure air flow lifting air cushion carrying device, the air cushion carrying device forms a floating movement state through the high-pressure air flow discharging layer, and the leveling platform keeps the horizontal carrying state of the portal frame.

Furthermore, the sliding hoisting device comprises a sliding block seat, wherein an electric hoist and an electromagnetic positioning block are arranged on the sliding block seat, and the electric hoist hoists the ferromagnetic metal box filled with the transported object to be adsorbed and fixed on the electromagnetic positioning block.

Furthermore, the leveling platform comprises a leveling platform base, a plurality of leveling air bag grooves are formed in the bearing surface of the leveling platform base, leveling air bags are arranged in the leveling air bag grooves, the bottoms of the leveling air bags are communicated with an inflation tube, the inflation tube is communicated with an external air source through an air tube channel in the leveling platform base, and the horizontal position of a bearing panel arranged on the leveling air bags is adjusted through adjusting the inflation degree of the leveling air bags.

Furthermore, the leveling platform of the scheme also comprises an intelligent leveling control system, wherein the intelligent leveling control system comprises a central processing unit, and the central processing unit adjusts the inflation expansion degree of the leveling air bag by controlling the opening and closing states of an electromagnetic valve arranged on the inflation tube according to the horizontal inclination information transmitted by the electronic level meter in real time.

Furthermore, the bearing surface of the leveling platform base is square, and the corner end and the center of the bearing surface of the leveling platform base are provided with leveling air bag grooves.

Furthermore, the bearing surface of the leveling platform base is circular, the center of the bearing surface of the leveling platform base is provided with a leveling air bag groove, the bearing surface of the leveling platform base is provided with a plurality of ring leveling air bag groove groups from the center to the outside along the radial direction, and the leveling air bag groove groups comprise leveling air bag grooves which are equidistantly arranged along the circumferential direction.

Furthermore, the outer ring side wall of the closed-loop rubber inflatable cushion is provided with an elastic dust cover along the circumferential ring, the lower end of the elastic dust cover is in contact with the ground, the elastic dust cover which does not deform is of a cylindrical structure with gradually increased radial size along the axial direction of the closed-loop rubber inflatable cushion, the elastic dust cover bearing pressure is of a flat annular structure, and gas discharged from the high-pressure gas flow release layer is released through a gap between the elastic dust cover and the ground.

The air cushion carrying portal frame improves the applicability of the portal frame by arranging the air cushion carrying device under the base of the portal frame, and has the characteristics of good applicability and capability of keeping a carried object in a horizontal state in the carrying process.

Drawings

Fig. 1 is a schematic view of an air cushion handling gantry.

Fig. 2 is a schematic view of an air mattress handling apparatus.

FIG. 3 is a schematic view of the air mattress handling apparatus in a closed loop inflated rubber mattress position.

FIG. 4 is a schematic cross-sectional view of a combination support floor, closed-loop rubber inflatable cushion, and cylindrical lift plenum.

Fig. 5 is a schematic cross-sectional view of the leveling platform.

FIG. 6 is a schematic diagram of a first embodiment of a leveling bladder recess arrangement for a leveling platform.

FIG. 7 is a schematic diagram of a second embodiment of a leveling bladder recess arrangement for a leveling platform.

Wherein, 110 is a supporting bottom plate, 120 is a closed loop rubber inflatable cushion, 121 is an elastic dust cover, 130 is a cylindrical lifting air pressure chamber, 200 is a leveling platform, 210 is a leveling platform base, 211 is a leveling air bag groove, 212 is an air pipe channel, 310 is a cross beam, 320 is a supporting frame, and 330 is a sliding lifting device.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the air cushion carrying portal frame of the invention comprises a cross beam, two ends of the cross beam are vertically arranged on the ground through a support frame, a sliding lifting device is arranged on the cross beam, a plurality of air cushion carrying devices are arranged under the base of the support frame, each air cushion carrying device comprises a support base plate, an air inlet channel is arranged in the support base plate and is communicated with a closed-loop rubber inflatable cushion horizontally arranged on the bottom surface of the support base plate, a cylindrical lifting air pressure chamber is arranged in an inner ring of the closed-loop rubber inflatable cushion, the upper end of the cylindrical lifting air pressure chamber is hermetically connected with the center of the bottom surface of the support base plate, an air pressure chamber air inlet is arranged on the side wall of the lifting air pressure chamber, a plurality of air holes are arranged on the bottom plate of the lifting air pressure chamber, an adjusting platform is arranged on the plate surface of the support base plate and comprises an electronic level, an external high-pressure air source inflates the cylindrical lifting air pressure chamber through an air inlet of the air pressure chamber, high-pressure air inflated into the cylindrical lifting air pressure chamber is exhausted from the plurality of air holes to form high-pressure air flow of the lifting air cushion carrying device between a bottom plate of the lifting air pressure chamber and the ground, an annular high-pressure air flow discharging layer is formed between the inflating rubber pad and the ground by the high-pressure air flow lifting air cushion carrying device, the air cushion carrying device forms a floating movement state through the high-pressure air flow discharging layer, and the leveling platform keeps the horizontal carrying state of the portal frame. According to the technical scheme, the air cushion carrying device is arranged under the base of the portal frame to improve the applicability of the portal frame, the leveling table with the level meter is arranged on the air cushion carrying device to keep a conveyed object in a horizontal state in the carrying process, the specific position of the level meter on the leveling table can be randomly arranged as required, and the horizontal state of the leveling table is adjusted through the horizontal state numerical value indicated by the level meter, so that the horizontal state of the conveyed object is kept.

In order to realize the function of the sliding lifting device, the sliding lifting device comprises a sliding block seat, an electric hoist and an electromagnetic positioning block are arranged on the sliding block seat, and the electric hoist lifts a ferromagnetic metal box filled with a transported object to be adsorbed and fixed with the electromagnetic positioning block.

In order to realize the function of adjusting the platform, the scheme discloses a specific leveling platform structure, as shown in fig. 5, the leveling platform comprises a platform adjusting base, a plurality of leveling air bag grooves are arranged on the bearing surface of the platform adjusting base, leveling air bags are arranged in the leveling air bag grooves, the bottoms of the leveling air bags are communicated with an inflation tube, the inflation tube is communicated with an external air source through an air tube channel in the platform adjusting base, and the horizontal position of a bearing panel arranged on the leveling air bags is adjusted through adjusting the inflation degree of the leveling air bags. Based on the scheme, in order to improve the intelligent automatic control performance of the leveling platform, the leveling platform further comprises an intelligent leveling control system, the intelligent leveling control system comprises a central processing unit, and the central processing unit adjusts the inflation expansion degree of the leveling air bag by controlling the opening and closing states of an electromagnetic valve arranged on the inflation tube according to the horizontal inclination information transmitted by the electronic level meter in real time. In order to realize a specific arrangement mode of the leveling air bags, the scheme discloses the following two specific leveling platform bases and specific schemes for arrangement of the leveling air bag grooves.