CN201010431Y

CN201010431Y - Self-suspending and self-tipping type hanging shear

Info

Publication number: CN201010431Y
Application number: CNU2006201308928U
Authority: CN
Inventors: 者中林
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-13
Filing date: 2006-08-13
Publication date: 2008-01-23
Anticipated expiration: 2016-08-13

Abstract

The utility model provides a scissor-shaped hoisting device which has the self-hanging, hoisting and drop-hook operations of an element through the operation of a landing hook of a craneman and by the acting force of the gravity and the element; the hoisting device consists of scissor arms (1, 2), a center shaft (3) and a turnkey bi-position displacement device (22) arranged on the outer side of the center shaft of hoisting scissors and between the contacting surfaces of the scissor arms. The length of the turnkey bi-position displacement device can be changed and the two lengths of the turnkey bi-position displacement device are selected through the opposite movements of the scissor arms; therefore, a turkey is forced to lock up in two angles; the scissor arms move oppositely in the constrained situation (b) or unconstrained situation (c). The structure of the scissor-shaped hoisting device is drawn the picture.

Description

Hang and cut from hanging self lighting type

Affiliated field

The utility model belongs to a kind of lifting device, has the function from extension, self-unloading.

Background technology

At present, the structure manufacture of the fabrication and installation of steel structure, building field install and the loading-unloading vehicle process of goods transport in, often to use the suspender that is similar to scissors as I shape or T type member, be commonly called as " hang and cut ".This suspender is practical convenience under the lower situation of primary structural component or sling height.When running into heavier member because suspender stressed bigger, hang to cut and correspondingly also will do greatlyyer, hang cut and pluck when cutting more painstaking; And when sling height was higher, the people must climb up the member operation, even also there is certain danger in little suspender, if suspender is more dangerous just bigger, and efficient is also low.Become a safe dead angle of above industry.

Summary of the invention

In order to overcome the used above shortcoming of cutting of hanging at present, the utility model provides a kind of can carry out extension certainly, lifting, off the hook and the self-unloading work of member by craneman's the off the hook action that rises by gravity own and member.

The technical scheme that its technical matters that solves the utility model adopts is: outside hanging the middle pivot of cutting, cut and increase by a cover turn key dibit registration device between the contact surface of arm, make to hang to cut and before dropping to member, be in open configuration, when after cutting the inboard contact member of arm, continuing to fall, because the upwards application force of gravity of self and member, make two to cut arm and open certain angle again, remove self-locking state; Cut when being sling when hanging, owing to draw on the lifting rope and hang the effect of cutting self gravitation, cut that arm just draws in to the inside and member clamped and hook, thereby realized hanging certainly the purpose of cutting, lifting by crane; After member is winched to the desired location, along with hanging falling, loosen and continuing descending of cutting, when after cutting the inboard contact member of arm, continuing to fall, because the upwards application force of gravity of self and member, make two to cut arm and open certain angle again, cut when being sling once more when hanging, cutting arm just draws in to the inside, cut when being continued to sling distance member certain altitude when hanging, owing to draw, hang the effect of cutting self gravitation and turn key on the lifting rope, enter self-locking state once more, cut and be in open configuration thereby make to hang, and ready for hang member next time.

The beneficial effects of the utility model are to increase work efficiency, to reduce the generation of worker's labour intensity, minimizing safety misadventure.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is contour structures of the present utility model and each station figure.

Fig. 2 is the internal view of each station.

Fig. 3 hangs the semi-sictional view constructional drawing of cutting first embodiment from extension, self-unloading.

Fig. 4 hangs the semi-sictional view constructional drawing of cutting second embodiment from extension, self-unloading.

Fig. 5 hangs the semi-sictional view constructional drawing of cutting the 3rd embodiment from extension, self-unloading.

Fig. 6 hangs and cuts part 7 end faces and inboard expansion drawing thereof among first embodiment from extension, self-unloading.

Fig. 7 hangs and cuts part 11 end faces and outside expansion drawing thereof among first embodiment from extension, self-unloading.

Fig. 8 hangs and cuts part 13 end faces and outside expansion drawing thereof among first embodiment from extension, self-unloading.

Fig. 9 hangs each the station figure of modified gear that cuts second embodiment from extension, self-unloading.

Figure 10 hangs each the station figure of modified gear that cuts the 3rd embodiment from extension, self-unloading.

1. cut arm A among the figure, 2. cut arm B, 3. axle, 4. lifting rope, 5. member, 6. turn key, 7. outer sliding sleeve, 8. extension spring, 9. dead axle hole, 10. slideway, 11. inner sliding sleeves, 12. displacement bars, 13. the displacement cover, 14. stage clips, 15. dead axles, 16.U deformation position bar 17. heart-shaped guiding cell bodies, 18. slide bar, 19. ratchets and square outer sliding sleeve, 20. positioning ratchet wheels, 21. ratchets and displacement side's slide bar, a. open unlocked position, the b. latched position, c. lifts control position.

The specific embodiment

Cut arm (1,2) and be linked together the cultrate suspender of structure of common formation for two among Fig. 1, be hung on the suspension hook by lifting rope (3) again by axle (4).

As can be seen, cut when hanging that to be in when opening unlocked position (a) displacement device the longest among Fig. 2; To cut when being in latched position (b) displacement device slightly short when hanging; When hang cut be in the lifting control position when (c) displacement device the shortest.

Fig. 3 is the constructional drawing of first kind of embodiment.One end of the turn key of displacement device (6) is cylindrical, is positioned at the groove of cutting arm A (1), and the other end lacks morpheme in the slideway of cutting arm B (2) (10) for the cylindrical-concentric arc, but slide relative can only be rotated in the time of in entering circular hole.The inboard has the outer sliding sleeve (7) of splay end spline to be fixed on turn key (6) cylindrical side.Inner sliding sleeve (11) is fixed on the displacement bar (12), and displacement cover (13) is installed in displacement bar (12) and upward combines with inner sliding sleeve (11) with the thread form of inner sliding sleeve (11) pressure corresponding and pressured spring (14).Inner sliding sleeve (11) inserts in the outer sliding sleeve (7) with displacement cover (13) and displacement bar (12).Vertical the linking to each other of one end of the other end of displacement bar (12) and dead axle (15).The other end of dead axle (15) places in the axis hole (9) of cutting arm A (1).

Concrete course of action is described below (referring to Fig. 2 and Fig. 6～8):

1, inner sliding sleeve (11) is positioned at outer sliding sleeve (7) when arm A (1) and B (2) latched position (b), and hand over the key 3 of position cover (13) can not enter in the keyway 2 of outer sliding sleeve (7), displacement device is locked to long position, and make turn key (6) rotate certain angle, tenon on the turn key (6) and chute (10) do not match, turn key (6) can not enter in the chute (10) and slide, so turn key (6) has limited and has cut arm A (1) and B (2) relatively rotates to the direction that clip dwindles, and has played the blocked effect of cutting of hanging.

2, relatively rotate inner sliding sleeve in the process that is flared to the position shown in the figure a (11) and be positioned at outer sliding sleeve (7) when cutting arm A (1) and B (2) gravity and the direction that enlarges to clip under to its antagonistic force of member (5) at self, and the key 3 of displacement cover (13) outwards withdraws from from the keyway end of outer sliding sleeve (7), under the effect of stage clip (14) and inner sliding sleeve (11), displacement cover (13) rotates 30 degree, the length of displacement device is the longest, hangs to cut also to be in maximum subtended angle position (a).

3, to hang by lifting rope 4 and to cut when slinging, because the gravity of self cuts arm A (1) and B (2) relatively rotates to the direction that clip dwindles, the key 3 of inner sliding sleeve in the displacement device (11) and displacement cover (13) inwardly is pressed into from the keyway end of outer sliding sleeve (7), the key end inclined-plane slide relative of inner sliding sleeve under the effect of stage clip (14) (11) key end inclined-plane and outer sliding sleeve (7), displacement cover (13) rotates 30 degree again, the key 3 of displacement cover (13) enters in the keyway 2 of outer sliding sleeve (7), the length of displacement device fades to minimum gradually, tenon on the turn key (6) and chute (10) match, turn key (6) enters in the chute (10) and slides, and hangs the subtended angle of cutting and diminishes and hook member automatically member is sling.As figure (c)

4, when being winched to, member continues to fall to hanging after the desired location falls to cut, cut arm A (1) and B (2) and relatively rotate in self gravity and the direction that enlarges to clip again under to its antagonistic force of member (5) that inner sliding sleeve (11) is positioned at outer sliding sleeve (7) in the process that is flared to the position shown in the figure (a), and slide with the keyway termination of outer sliding sleeve (7) under the effect of stage clip (14) and make displacement cover (13) rotate 30 degree again in key 3 terminations of displacement cover (13), the length of displacement device shortens, key 3 terminations of displacement cover (13) are corresponding with the keyway 2 of outer sliding sleeve (7) once more but can not enter, and hang to cut to be locked once more.Displacement device is locked to long position, and makes turn key (6) rotate certain angle, and tenon on the turn key (6) and chute (10) do not match, and turn key (6) can not enter in the chute (10) and slide, and hangs to cut to be locked once more.

Fig. 4 is the constructional drawing of second kind of embodiment.One end of the turn key of displacement device (6) is cylindrical, is positioned at the groove of cutting arm A (1), and the other end lacks morpheme in the slideway of cutting arm B (2) (10) for the cylindrical-concentric arc, but slide relative can only be rotated in the time of in entering circular hole.One end of U-shaped displacement bar (16) inserts the guide groove that the other end in the hole on the slide bar (18) is positioned at heart-shaped guiding cell body (17), and the other end insertion heart that links to each other with turn key (6) of an end of slide bar (18) is led in the hole of cell body (17).The other end of heart-shaped guiding cell body (17) and vertical the linking to each other of an end of dead axle (15).The other end of dead axle (15) places in the axis hole (9) of cutting arm A (1).

Concrete course of action is described below (referring to Fig. 4 and Fig. 9):

Can make variable in distance between turn key (6) and dead axle (15) owing to cut relatively rotating of arm A (1) and B (2).Be positioned at the position shown in the figure (b) if cut arm, because tenon and chute (10) on the turn key (6) do not match, turn key (6) can not enter in the chute (10) and slide, turn key (6) has limited cuts arm A (1) and B (2) relatively rotates to the direction that clip dwindles, and hangs to cut to be locked to open position.And when cutting direction that arm A (1) and B (2) enlarge to clip when relatively rotating, distance between turn key (6) and dead axle (15) becomes big, the swinging end of U-shaped displacement bar (16) moves to figure below position of Fig. 9 (a), this moment is owing to cut arm A (1) and B (2) and be subjected to turn key (6) restriction and can not be again relatively rotate to the direction of clip expansion, hangs to cut to be in maximum angular position.When cutting direction that arm A (1) and B (2) dwindle to clip when relatively rotating, because the one-way of heart-shaped chute, distance between turn key (6) and dead axle (15) diminishes, the swinging end of U-shaped displacement bar (16) moves to the position of Fig. 9 (c), tenon on the turn key (6) and chute (10) match, turn key (6) enters in the chute (10) and slides, and hang the member of cutting capable of hoisting different size owing to cut arm A (1) and B (2) is not relatively rotated to the direction that clip dwindles by the restriction of turn key (6) this moment.Put down the back and continue when descending when hanging to cut member hung to put in place, cut arm A (1) and B (2) and relatively rotate and be flared to the position shown in the last figure of Fig. 9 (a), hang and cut the maximum subtended angle of arrival in self gravity and the direction that enlarges to clip again under to its antagonistic force of member (5).Sling once more when cutting, because the one-way of heart-shaped chute, the swinging end of U-shaped displacement bar (16) arrives the position shown in Fig. 9 (b), hang cut once more locked.

Fig. 5 is the constructional drawing of the third embodiment.One end of the turn key of displacement device (6) is cylindrical, is positioned at the groove of cutting arm A (1), and the other end lacks morpheme in the slideway of cutting arm B (2) (10) for the cylindrical-concentric arc, but slide relative can only be rotated in the time of in entering circular hole.One end of the square outer sliding sleeve (19) of band ratchet and turn key (6) inboard are with displacement side's slide bar (21) of band ratchet, and positioning ratchet wheel (20) is positioned at displacement side's slide bar (21) of band ratchet, and the slide relative of (19) and (21) is rotated (20).Figure 10 (a) is for hanging the position of the subtended angle maximum of cutting the ribbon at an opening ceremony, and (19) do not contact with (20) at this moment, and the distance between (6) and (15) is maximum; When cutting arm when inwardly rotating, displacement device becomes the relation of Figure 10 (b), and (19) contact with (20) at this moment, and tenon on the turn key (6) and chute (10) are misfitted, and turn key (6) can not enter in the chute (10) and slide, and hangs to cut and is locked; When cutting arm and rotate in again after outwards rotating, displacement device becomes the relation of Figure 10 (c), and (19) pass (20) at this moment, and the tenon on the turn key (6) and chute (10) coincide, and turn key (6) enters in the chute (10) and slides, and hangs to cut to be in to lift the position.

Claims

1. one kind is hung and cuts from hanging self lighting type, the outer appearance scissors, and two arm front ends respectively have an inside crotch; It is cutting arm (1), have cutting arm (2), center shaft (3) and be installed in and hanging that the center shaft cut is outer, the two turn key dibit displacement devices of cutting between the arm contact face (22) constitute of sector grooves and eccentric circular hole by the band chute; It is characterized in that: an end of turn key displacement device is that turn key is positioned at the cambered way of cutting arm (1), and the other end is that rotating shaft is positioned at the circular hole of cutting arm (2) that is through same center shaft.