CN203095424U

CN203095424U - Elevating mechanism of gantry rack

Info

Publication number: CN203095424U
Application number: CN 201320131209
Authority: CN
Inventors: 杨立新
Original assignee: FOSHAN SHUNDE KINENG MACHINERY Co Ltd
Current assignee: FOSHAN SHUNDE KINENG MACHINERY Co Ltd
Priority date: 2013-03-22
Filing date: 2013-03-22
Publication date: 2013-07-31
Anticipated expiration: 2023-03-22

Abstract

The utility model provides an elevating mechanism of a gantry rack. The elevating mechanism comprises a linkage arm arranged on the gantry rack, wherein a shell rack body is mounted on the linkage arm; a coiling disc and an elevating arm are mounted inside the shell rock body; the elevating arm is internally provided with metal wires for traction according to the coiling disc; the elevating arm is mounted on the shell rack body through a linear sliding track; the elevating arm comprises a hanging arm and a hoisting arm, wherein the hanging arm and the hoisting arm are half-frame shaped, and outer-inner structure is formed by the hanging arm and the hoisting arm, the linear sliding track which can slide vertically is arranged between the two arms, the hoisting arm accommodates the coiling disc, the metal wires in the coiling disc are connected with the hoisting arm, so as to control the stretching height of the hoisting arm along with the action that the coiling disc releases and withdraws the metal wires, the stretching height of the hanging arm is further controlled by the hoisting arm, and the elevation states of the two arms are fixed through the linear sliding track, so that the problem that heavy articles shake when being hoisted by using metal wires merely is solved when the heavy articles are hoisted by using the gantry.

Description

A kind of lifting mechanism of portal frame

Technical field

The utility model relates to the elevator field of transporting goods, and relates in particular to a kind of lifting mechanism with portal frame laborsaving, that occur rocking when avoiding weight to sling.

Background technology

After gantry elevator mainly acts on weight is mentioned, support according to limited range is transported to desirable place to weight, therefore, at on-site, each track is on one side supporting a transmission arm that can move about often finding to have on this track, one lifting mechanism is installed on the transmission arm, lifting mechanism comprises motor, winding roll, steel rope and hook, output shaft by motor rotates winding roll, make and be positioned at the winding roll receipts or put steel rope, link up with the action of following steel rope and rising or descending, these very convenient people are to the carrying of weight, it also is the arch type lifter that present most of producer adopts, yet in practical operation, steel rope must be emitted very long distance just can make hook collude article, and then rotation winding roll, furl steel rope and these article of slinging, but still be between winding roll and the article by the traction of steel rope, this makes article in the problem of slinging or occurring rocking when mobile, so, can not be too fast when slinging, efficient is low, meanwhile, need be the two ends of article to guarantee that article are in the pulsation-free state when slinging, that is to say with rope, the problem of rocking when slinging, occurs if can solve article, also just can improve the efficient of moving.

Summary of the invention

The utility model provides a kind of lifting mechanism of portal frame, and it is simple in structure, effectively solves to occur rocking indefinite problem when goods is sling.

To this, the utility model comprises the transmission arm that is arranged on the portal frame, installation one shell support body on the transmission arm is equiped with winding roll in the described shell support body and according to the lifting arm that the metal wool traction is set in this winding roll, described lifting arm is installed to described shell support body by line slide rail.

The line slide rail of installing in the described shell support body, an end of this line slide rail becomes a horizontality with described winding roll.

Described lifting arm contains described winding roll, and lifting arm comprises hangs arm and arm, and this extension arm, arm are half shaped as frame shape, and the outside of described extension arm is provided with line slide rail, and this extension arm slidably is installed in the described shell support body up and down by line slide rail.

The outside of described extension arm is provided with three line slide rails.

Described extension arm inwall is installed line slide rail, and docks installation with the outside of described arm.

Described extension arm, arm constitute outer, the inner structure of described lifting arm, and described arm contains described winding roll.

The metal wool of reeling in the described winding roll links the bottom of described arm.

Described winding roll is fixed on the described shell support body by a rotating shaft, the elongated end of this rotating shaft rotary electric machine that is connected.

The outside of described shell support body is provided with and drives the group of motors that this shell support body moves on described portal frame.

The beneficial effects of the utility model are: lifting arm comprises the extension arm, arm, wherein, this hangs arm, arm is half shaped as frame shape, and outside both constitute, inner structure, be provided with the straight line track that can slide up and down between two arms, arm contains winding roll, and the metal wool in the winding roll links arm, along with winding roll to the folding and unfolding of metal wool and can control the flexible height of arm, further control the flexible height of hanging arm again by arm, fix the jacking condition of two arms by line slide rail, make portal frame when slinging weight, can effectively solve the problem of rocking that occurs when single use metal wool is sling weight.

Description of drawings

Fig. 1 is the birds-eye view of the utility model preferred embodiment.

Fig. 2 is a structural representation of the present utility model.

Fig. 3 is the lateral plan of the utility model in practical operation.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing, as Fig. 1, shown in Figure 2, the utility model comprises the transmission arm 2 that is arranged on the portal frame 1, one shell support body 3 is installed on the transmission arm 2, the outside of shell support body 3 is provided with and drives the group of motors 7 that this shell support body 3 moves on described portal frame 1, be equiped with winding roll 31 in the shell support body 3 and according to the lifting arm 4 that metal wool 32 traction is set in this winding roll 31, described lifting arm 4 is installed to described shell support body 3 by line slide rail 5, be installed to the end and winding roll 31 same horizontal fixed of the straight line track 5 on the shell support body 3, this lifting arm 4 contains described winding roll 31, and lifting arm 4 comprises hangs arm 41 and arm 42, wherein should hang arm 41, arm 42 is half shaped as frame shape, and by this two arm constitute lifting arm 4 outside, inner structure, be provided with line slide rail 5 between two arms, the outside that promptly hangs arm 41 is provided with line slide rail 5, arm 42 contains described winding roll 31 and metal wool 32, specifically be provided with three line slide rails 5 in the outside that hangs arm 41, this extension arm 41 slidably is installed in the described shell support body 3 up and down by line slide rail 5, and, hang arm 41 inwalls line slide rail 5 is installed, and dock installation with the outside of described arm 42.In addition, can be electronic for making winding roll 31, this winding roll 31 is fixed on the described shell support body 3 by a rotating shaft 33, and the elongated end of this rotating shaft 33 rotary electric machine 6 that is connected by the rotation of rotary electric machine 6 countershafts 33, makes the folding and unfolding of 31 pairs of metal wools 32 of winding roll.

Go out the concrete operations scheme drawing of the utility model as shown in Figure 3, the metal wool 32 of reeling in the described winding roll 31 links the bottom of described arm 42, make the metal wool 32 direct actions that lift or descend to arm 42, in the middle of be noted that, hang arm 41 and arm 42 and have gravity owing to unsettled, when metal wool 32 does not lift arm 42, it is all sagging along straight line track 5 to hang arm 41 and arm 42, at this moment, arm 42 can collude the extension weight, and winding roll 31 makes arm 42 upwards lift along straight line track 5 when reeling metal wool 32, and the end that slides into the straight line track 5 of hanging arm 41 when arm 42 ends, lift together with hanging the straight line track 5 of arm 41 again along shell support body 3, when the metal wool 32 of winding roll 31 is made vertical lift, just can make vertical pull lift action to arm 42, the problem of rocking of weight can not appear in this process.

Above-mentioned specific embodiment only is the utility model effect specific embodiment preferably, and the lifting mechanism of all or portal frames of being equal to identical with this structure is all in the application's protection domain.

Claims

1. the lifting mechanism of a portal frame, it comprises the transmission arm (2) that is arranged on the portal frame (1), transmission arm (2) is gone up a shell support body (3) is installed, it is characterized in that: be equiped with winding roll (31) in the described shell support body (3) and according to the lifting arm (4) that metal wool (32) traction is set in this winding roll (31), described lifting arm (4) is installed to described shell support body (3) by line slide rail (5).

2. according to the lifting mechanism of the described portal frame of claim 1, it is characterized in that: the line slide rail of installing in the described shell support body (3) (5), an end of this line slide rail (5) becomes a horizontality with described winding roll (31).

3. according to the lifting mechanism of the described portal frame of claim 1, it is characterized in that: described lifting arm (4) contains described winding roll (31) and metal wool (32), lifting arm (4) comprises hangs arm (41) and arm (42), this extension arm (41), arm (42) are half shaped as frame shape, the outside of described extension arm (41) is provided with line slide rail (5), and this extension arm (41) slidably is installed in the described shell support body (3) up and down by line slide rail (5).

4. according to the lifting mechanism of the described portal frame of claim 3, it is characterized in that: the outside of described extension arm (41) is provided with three line slide rails (5).

5. according to the lifting mechanism of the described portal frame of claim 3, it is characterized in that: described extension arm (41) inwall is installed line slide rail (5), and docks installation with the outside of described arm (42).

6. according to the lifting mechanism of the described portal frame of claim 3, it is characterized in that: described extension arm (41), arm (42) constitute outer, the inner structure of described lifting arm (4), and described arm (42) contains described winding roll (31) and metal wool (32).

7. according to the lifting mechanism of the described portal frame of claim 3, it is characterized in that: the metal wool (32) of reeling in the described winding roll (31) links the bottom of described arm (42).

8. according to the lifting mechanism of the described portal frame of claim 1, it is characterized in that: described winding roll (31) is fixed on the described shell support body (3) by a rotating shaft (33), the elongated end of this rotating shaft (33) rotary electric machine (6) that is connected.

9. according to the lifting mechanism of the described portal frame of claim 1, it is characterized in that: the outside of described shell support body (3) is provided with and drives the group of motors (7) that this shell support body (3) upward moves at described portal frame (1).