CN201702537U

CN201702537U - Crane girder tipping and positioning device

Info

Publication number: CN201702537U
Application number: CN2010201353224U
Authority: CN
Inventors: 叶宏洪; 莫益来
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-16
Filing date: 2010-03-16
Publication date: 2011-01-12
Anticipated expiration: 2020-03-16

Abstract

The utility model relates to a crane girder tipping and positioning device, comprising at least tow tipping frames, wherein the tipping frames are arranged back and forth; a gap is formed between two tipping frames, and the tipping frame is positioned on the same center axis; each tipping frame is composed of a base, a circular tipping body and rollers; the rollers can be rotatably arranged on the left and right ends of the base; the circular tipping body is arranged on the base, and the circular arc end surface thereof is abutted with the rollers; the circular tipping body is provided with a center axial hole which is matched with the crane girder; a plurality of pressing blocks upwards extend from the center axial hole to the center axis direction, and are pressed on the end surface of the crane girder; and locking mechanisms which can control the circular tippling body are respectively and correspondingly arranged on the two outsides of the base of the circular tipping body. The utility model has the advantages of simple and reasonable structure, reduction of tipping cost, enhancement of working efficiency, and guarantee of welding quality.

Description

Crane grider overturning and positioning device

Technical field

The utility model relates to a kind of crane grider overturning and positioning device.

Background technology

The goliath girder is generally and reaches tens of meters elongated workpiece, elongated workpiece is made of some dull and stereotyped welding, when needs weld the elongated workpiece bottom, must lift by crane elongated workpiece, traditional solution is manually overturn to elongated workpiece for utilizing turned crane, such upset mode inefficiency, and because it is bulky, turned crane is difficult to its surplus that moves of control, cause the bump of elongated workpiece easily, thereby make elongated workpiece and ground cause damage ground.

The utility model content

The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and provides the upset high efficiency, accurate positioning, safe and reliable crane grider overturning and positioning device.

The technical scheme that its technical problem that solves the utility model adopts is:

Crane grider overturning and positioning device, comprise be before, at least two rollover stands that the back is provided with, there is spacing between each rollover stand and is on the same central axis, described each rollover stand is by base, circular flip body and roller are formed, roller is the rotatable base left side that is installed in, right two ends, circular flip body is seated on the base and its circular arc end face and roller offset, described circular flip body has the central shaft hole that cooperates with crane girder, be extended with some compact heaps that compress the crane girder end face toward central axial direction on the central shaft hole, base two outsides of corresponding circular flip body are separately installed with the lockable mechanism of controlled round flip body.Adopt the crane grider overturning and positioning device of this structure, only need the elongated workpiece two ends of needs upset are placed in the central shaft hole of two circular flip bodies, compact heap correspondence in the central shaft hole is pressed on the elongated workpiece surface, promptly finish the location of elongated workpiece, effectively improve the operating efficiency that the workman welds, guarantee construction safety, and circular flip body is by regulating lockable mechanism, utilization is installed in a base left side, the roller at right two ends cooperates slip with circular flip body circumferential end surfaces, and circular flip body is rotated in conjunction with turned crane, the convenient position of adjusting guarantees welding quality.

Described circular flip body is made up of upper and lower semicircle flip body, and the junction of upper and lower semicircle flip body is respectively equipped with upper and lower extension board in horizontal direction, and a bolt interts into connecting in the upper and lower extension board and by nut check.

Described central shaft hole is square, and is extended with compact heap on the diagonal angle of corresponding square central shaft hole.

Described lockable mechanism is by being fixed on base two outside contiguous blocks and forming with the screw that contiguous block is spirally connected, and the circular arc end face of tip of screw and circular flip body offsets.

The base of the circular flip body of described correspondence below is provided with the circular arc concave surface, and roller is installed in the left and right two ends of base and extends the circular arc concave surface, also has arc groove on the circular arc end face.

The beneficial effects of the utility model are:

(1), crane grider overturning and positioning device of the present utility model, only need the elongated workpiece two ends of needs upset are placed in the central shaft hole of two circular flip bodies, compact heap correspondence in the central shaft hole is pressed on the elongated workpiece surface, promptly finish the location of elongated workpiece, effectively improve the operating efficiency that the workman welds, guarantee construction safety;

(2), control circular flip body by regulating lockable mechanism, the roller that utilization is installed in the left and right two ends of base cooperates slip with circular flip body circumferential end surfaces, and in conjunction with turned crane circular flip body is carried out circumference and overturn, the convenient welding position of adjusting guarantees welding quality.

Description of drawings

Fig. 1 is a main TV structure schematic diagram of the present utility model;

Fig. 2 is the side-looking structural representation of circular flip body in the utility model;

Fig. 3 is the enlarged drawing at A place among Fig. 2;

Fig. 4 is the structure for amplifying schematic diagram of lockable mechanism among Fig. 1;

Fig. 5 is a user mode structure chart of the present utility model.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Extremely shown in Figure 5 as Fig. 1, crane grider overturning and positioning device, comprise be before, at least two rollover stands 1 that the back is provided with, there is spacing between each rollover stand 1 and is on the same central axis, described each rollover stand 1 is by base 101, circular flip body 102 and roller 103 are formed, roller 103 is rotatable base 101 left sides that are installed in, right two ends, circular flip body 102 is seated on the base 101 and its circular arc end face and roller 103 offset, described circular flip body 102 has the central shaft hole 104 that cooperates with crane girder 2, be extended with some compact heaps 105 that compress crane girder 2 end faces toward central axial direction on the central shaft hole 104,101 liang of outsides of base of corresponding circular flip body 102 are separately installed with the lockable mechanism 3 of controlled round flip body 102, described circular flip body 102 is by last, lower half

circle flip body

102a, 102b forms, on, lower half circle flip body 102a, the junction of 102b is respectively equipped with in horizontal direction, following extension board 102a-1,102b-1, one bolt 4 interts, following extension board 102a-1, connect in the 102b-1 and by nut 5 lockings, described central shaft hole 104 is square, be extended with compact heap 105 on the diagonal angle of corresponding square central shaft hole 104, described lockable mechanism 3 is by being fixed on base 101 liang of outsides contiguous block 301 and forming with the screw 302 that contiguous block 301 is spirally connected, screw 302 terminal circular arc end faces with circular flip body 102 offset, the base 101 of the circular flip body of described correspondence 102 belows is provided with circular arc concave surface 101a, roller 103 is installed in base 101 left sides, circular arc concave surface 101a is also extended in right two ends, also has arc groove 101a-1 on the circular arc concave surface 101a.

Operation principle: during work, utilize lifting rope 6 that top hanging wheel 7 and crane girder 2 upper/lower terminals that are fixed on the circular rollover stand 1 are connected, two operators draw two lifting ropes 6 respectively puts, and the end of the screw 302 of lockable mechanism 3 is left the circular arc end face of circular flip body 102, by the manual wherein end lifting rope 6 that spurs, can realize crane girder 2 flip-flop movements.

Claims

1. crane grider overturning and positioning device, comprise be before, at least two rollover stands (1) that the back is provided with, there is spacing between each rollover stand (1) and is on the same central axis, it is characterized in that: described each rollover stand (1) is by base (101), circular flip body (102) and roller (103) are formed, roller (103) is rotatable base (101) left side that is installed in, right two ends, circular flip body (102) is seated at that base (101) is gone up and its circular arc end face and roller (103) offset, described circular flip body (102) has the central shaft hole (104) that cooperates with crane girder (2), central shaft hole (104) is gone up toward central axial direction and is extended with some compact heaps (105) that compress crane girder (2) end face, and base (101) two outsides of corresponding circular flip body (102) are separately installed with the lockable mechanism (3) of controlled round flip body (102).

2. according to the described crane grider overturning and positioning device of claim 1, it is characterized in that, described circular flip body (102) is made up of upper and lower semicircle flip body (102a, 102b), the junction of upper and lower semicircle flip body (102a, 102b) is respectively equipped with upper and lower extension board (102a-1,102b-1) in horizontal direction, and a bolt (4) interts into connecting in the upper and lower extension board (102a-1,102b-1) and by nut (5) locking.

3. according to the described crane grider overturning and positioning device of claim 1, it is characterized in that described central shaft hole (104) is square, be extended with compact heap (105) on the diagonal angle of corresponding square central shaft hole (104).

4. according to the described crane grider overturning and positioning device of claim 1, it is characterized in that, described lockable mechanism (3) is by being fixed on base (101) two outside contiguous blocks (301) and forming with the screw (302) that contiguous block (301) is spirally connected, and the terminal circular arc end face with circular flip body (102) of screw (302) offsets.

5. according to the described crane grider overturning and positioning device of claim 1, it is characterized in that, the base (101) of the circular flip body of described correspondence (102) below is provided with circular arc concave surface (101a), roller (103) is installed in the left and right two ends of base (101) and extends circular arc concave surface (101a), also has arc groove (101a-1) on the circular arc concave surface (101a).