CN201406284Y

CN201406284Y - Mobile hoisting portal frame

Info

Publication number: CN201406284Y
Application number: CN200920072407XU
Authority: CN
Inventors: 阮忠洪
Original assignee: Shanghai Baosteel Equipment Maintenance Co Ltd
Current assignee: Shanghai Baosteel Equipment Maintenance Co Ltd
Priority date: 2009-05-18
Filing date: 2009-05-18
Publication date: 2010-02-17
Anticipated expiration: 2019-05-18

Abstract

The utility model discloses a mobile hoisting portal frame, wherein a pulley on which a chain block is suspended is arranged on an I-shaped cross beam of a portal frame, two cross bars are arranged onthe bottoms of two vertical columns of the portal frame and two ends thereof are provided with screwed holes, two ends of four diagonal braces are respectively arranged on one ends of the cross barsand the middle portions of the vertical columns of the portal frame, two fixed wheel stands with rollers are arranged on two ends of one cross bar through welding, two movable wheel stands with rollers are arranged on two ends of the other cross bar through rotation shafts, four studs are screwed in the screwed holes on two ends of the two cross bars, the lower ends of the studs are provided withbottom boards, and the upper ends of the studs are provided with handles. The portal frame is suitable for transporting or suspending spare parts during assembling devices and overhauling devices onsite, has simple structure, flexibly moves, is not limited by places, is simply operated, effectively solves the problems of hoisting and transporting the spare parts of devices, improves the working efficiency and reduces the cost and the labor intensity.

Description

Portable lifting portal frame

Technical field

The utility model relates to weight-lifting equipment, relates in particular to a kind of portable lifting portal frame.

Background technology

Usually at some equipment assemblings, maintenance scene, adopt the parts of carryings such as driving, suspension bracket or manpower, hanging device, thereby carry out dismounting, assembling or the maintenance of equipment.But weight-lifting equipment operatings costs such as driving are higher, be not suitable for waiting to go on stage at any time, and also there is certain requirement in the place; Weight-lifting equipments such as suspension bracket are generally fixed form, and when the equipment component need were mobile, suspension bracket class weight-lifting equipment then can't use; And employing manpower transport or weight-lifting equipment parts are then powerless when equipment component is heavier, and the safety misadventure of the person or equipment takes place easily; Above-mentioned factor has seriously restricted carrying out of equipment dismounting, upkeep operation, causes that cost and labour intensity improve in equipment dismounting, the maintenance process, and operating efficiency reduces.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of portable lifting portal frame, this portal frame is applicable to the carrying or the lifting of equipment assembling, maintenance field apparatus parts, it is simple in structure, move flexibly, the restriction of no place, easy and simple to handle, effectively solve equipment component lifting and carrying problem, improve operating efficiency, reduced cost and labour intensity.

For solving the problems of the technologies described above, the portable lifting portal frame of the utility model comprises coaster and is hung on described supratrochlear chain block, also comprise portal frame, two cross bars, four diagonal braces, two fixing wheel carriers, two movable wheel carriers, four rolling and four positioning components, the crossbeam of described portal frame is a H-girder, described coaster is located on the crossbeam of described portal frame and along crossbeam and is slided, the mid point of described two cross bars is located at the free end of two root posts of described portal frame and vertical with portal frame respectively, the two ends of described two cross bars have screw, described four diagonal braces are located at the middle part of described cross bar one end and portal frame column respectively, described four rolling is located at described two fixedly on wheel carrier and two the movable wheel carriers respectively by wheel shaft, described two fixedly wheel carrier be located at the two ends of a cross bar respectively by welding, described two movable wheel carriers are located at the two ends of another root cross bar respectively by rotating shaft, described positioning component comprises double-screw bolt, base plate and handle, described double-screw bolt is twisted in the screw at described two cross bar two ends, described base plate is located at described double-screw bolt lower end, and described handle is located at described double-screw bolt upper end.

For strengthening the intensity of portal frame, also comprise four brace panels, described four brace panels are located at the crossbeam of described portal frame both sides and the connecting portion of column respectively by welding.

Because the portable lifting portal frame of the utility model has adopted technique scheme, the coaster that promptly hangs with chain block is located on the I-shape crossbeam of portal frame, two root posts bottom and two ends that two cross bars are located at portal frame have screw, four diagonal brace two ends are located at cross bar one end and portal frame column middle part respectively, two fixedly wheel carriers that have a roller are located at the two ends of a cross bar by welding, two movable wheel carriers that have a roller are located at the two ends of another root cross bar by rotating shaft, four double-screw bolts are twisted in the screw at two cross bar two ends, the double-screw bolt lower end is provided with base plate, and the double-screw bolt upper end is provided with handle; This portal frame is applicable to the carrying or the lifting of equipment assembling, maintenance field apparatus parts, and it is simple in structure, moves flexibly, the restriction of no place, easy and simple to handle, effectively solve equipment component lifting and carrying problem, improve operating efficiency, reduced cost and labour intensity.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and embodiments:

Fig. 1 is the structural representation of the portable lifting portal frame of the utility model,

Fig. 2 is the lateral plan of Fig. 1.

The specific embodiment

As depicted in figs. 1 and 2, the portable lifting portal frame of the utility model comprises coaster 8 and the chain block 9 that is hung on the described coaster 8, also comprise portal frame 1, two cross bars 2, four diagonal braces 3, two fixing wheel carriers 4, two movable wheel carriers 5, four rolling 6 and four positioning components, the crossbeam 11 of described portal frame 1 is a H-girder, described coaster 8 is located on the crossbeam 11 of described portal frame 1 and along crossbeam 11 and is slided, the mid point of described two cross bars 2 is located at the free end of two root posts 12 of described portal frame 1 and vertical with portal frame 1 respectively, the two ends of described two cross bars 2 have screw, described four diagonal braces 3 are located at the middle part of described cross bar 2 one ends and portal frame 1 column 12 respectively, described four rolling 6 is located at described two fixedly on wheel carrier 4 and two the movable wheel carriers 5 respectively by wheel shaft 61, described two fixedly wheel carrier 4 be located at the two ends of a cross bar respectively by welding, described two movable wheel carriers 5 are located at the two ends of another root cross bar respectively by rotating shaft 51, described positioning component comprises double-screw bolt 7, base plate 71 and handle 72, described double-screw bolt 7 is twisted in the screw at described two cross bar 2 two ends, described base plate 71 is located at described double-screw bolt 7 lower ends, and described handle 72 is located at described double-screw bolt 7 upper ends.

For strengthening the intensity of portal frame 1, also comprise four brace panels 13, described four brace panels 13 are located at the crossbeam 11 of described portal frame 1 both sides and the connecting portion of column 12 respectively by welding.

The coaster that the portable lifting portal frame of the utility model will hang with chain block is located on the I-shape crossbeam of portal frame and coaster is slided on crossbeam, equipment component is by the chain block lifting, two root posts bottom and two ends that two cross bars are located at portal frame have screw, four diagonal brace two ends are located at cross bar one end and portal frame column middle part respectively, to support portal frame on two cross bars, two fixedly wheel carriers that have a roller are located at the two ends of a cross bar by welding, two movable wheel carriers that have a roller are located at the two ends of another root cross bar by rotating shaft, by the fixing roller of wheel carrier and movable wheel carrier portal frame is moved at operation field, turn to when movable wheel carrier moves portal frame simultaneously conveniently, four double-screw bolts are twisted in the screw at two cross bar two ends, the double-screw bolt lower end is provided with base plate, the double-screw bolt upper end is provided with handle, after portal frame moves into place, turn double-screw bolt by handle and make base plate be tight against ground, play the location and the stopping function of portal frame;

This portable lifting portal frame is simple in structure, about it, front and back, move up and down flexible, safe and reliable, can conveniently be applied to the operation field of equipment dismounting, maintenance, effect was better when particularly equipment was installed and to be needed centering, efficiently solved driving, fixedly suspension bracket or manpower transport, the existing problem of hanging device parts.

Claims

1, a kind of portable lifting portal frame, comprise coaster and be hung on described supratrochlear chain block, it is characterized in that: also comprise portal frame, two cross bars, four diagonal braces, two fixing wheel carriers, two movable wheel carriers, four rolling and four positioning components, the crossbeam of described portal frame is a H-girder, described coaster is located on the crossbeam of described portal frame and along crossbeam and is slided, the mid point of described two cross bars is located at the free end of two root posts of described portal frame and vertical with portal frame respectively, the two ends of described two cross bars have screw, described four diagonal braces are located at the middle part of described cross bar one end and portal frame column respectively, described four rolling is located at described two fixedly on wheel carrier and two the movable wheel carriers respectively by wheel shaft, described two fixedly wheel carrier be located at the two ends of a cross bar respectively by welding, described two movable wheel carriers are located at the two ends of another root cross bar respectively by rotating shaft, described positioning component comprises double-screw bolt, base plate and handle, described double-screw bolt is twisted in the screw at described two cross bar two ends, described base plate is located at described double-screw bolt lower end, and described handle is located at described double-screw bolt upper end.

2, portable lifting portal frame according to claim 1 is characterized in that: also comprise four brace panels, described four brace panels are located at the crossbeam of described portal frame both sides and the connecting portion of column respectively by welding.