CN109231020A

CN109231020A - The mobile boom hoisting of bridge crane

Info

Publication number: CN109231020A
Application number: CN201811240156.1A
Authority: CN
Inventors: 叶玉龙; 汪海; 王英; 陈征宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2019-01-18

Abstract

The mobile boom hoisting of bridge crane, crossbeam including bridge crane, crossbeam top is coupled moving trolley, the guide rail for moving trolley walking is coupled on crossbeam, moving trolley can be moved along the length direction of crossbeam, the left and right ends of moving trolley are symmetrically installed first pulley, the wheel shaft of first pulley is laterally and vertical with crossbeam length direction, side plate is symmetrically fixedly mounted in the front and rear sides of the left and right ends of crossbeam, several equally distributed box bodys are equipped between corresponding two side plates, the left and right ends of box body are open, connection is fixed by the bracket between the rear and front end and corresponding side plate of box body of two side plates between the end of moving trolley, it is fixedly connected by hydraulic stem between the rear and front end of other box bodys and corresponding side plate.The present invention replaces traditional motor to realize that crane goes up and down object by the work of multiple hydraulic stems, and noise is lower, and safety coefficient is higher.

Description

The mobile boom hoisting of bridge crane

Technical field

The invention belongs to hoisting machinery technical field, the mobile boom hoisting of specifically a kind of bridge crane.

Background technique

Crane has a wide range of applications in machinery field, bridge crane as lifting equipment most common in workshop, Workshop Production is played a crucial role；However traditional crane majority drives capstan winch folding and unfolding wirerope using motor Realize the lifting of hook, noise is larger when the crane of this quasi-tradition works, and hook is also easy to when motor breaks down and is fallen The case where causing cargo to fall is easy to appear danger.

Summary of the invention

The present invention provides a kind of mobile boom hoisting of bridge crane, to solve defect in the prior art.

The present invention is achieved by the following technical programs:

The mobile boom hoisting of bridge crane, the crossbeam including bridge crane, crossbeam top are coupled moving trolley, horizontal The guide rail for moving trolley walking is coupled on beam, moving trolley can be moved along the length direction of crossbeam, moving trolley Left and right ends are symmetrically installed first pulley, and the wheel shaft of first pulley is lateral and, the left and right of crossbeam vertical with crossbeam length direction Side plate is symmetrically fixedly mounted in the front and rear sides at both ends, is equipped with several equally distributed box bodys between corresponding two side plates, The left and right ends of box body are open, positioned at box body of two side plates between the end of moving trolley rear and front end with it is corresponding Connection is fixed by the bracket between side plate, it is solid by hydraulic stem between the rear and front end of other box bodys and corresponding side plate Fixed connection, the intracorporal front and rear sides of box are symmetrically installed second pulley, the wheel shaft of second pulley be it is vertical, the lower part of crossbeam is equipped with two Block riser, two pieces of risers front and backs are arranged, are fixedly connected by link block between the upper and lower ends of two pieces of risers, in two pieces of risers Between be equipped with the first horizontal axis, the rear and front end of the first horizontal axis both passes through corresponding riser and the junction of the two is connected by bearing activity It connects, is equipped with lateral stepper motor on the upside of the both ends of the first horizontal axis, stepper motor is fixedly mounted on corresponding riser, stepping Be fixedly mounted driving gear on the output shaft of motor, the end of the first horizontal axis is fixedly mounted driven gear, driving gear with Corresponding driven gear engagement cooperation, the left and right sides of the first horizontal axis are symmetrical arranged the second horizontal axis, the rear and front end of the second horizontal axis It is flexibly connected by bearing between corresponding riser, fixed installation third pulley among the first horizontal axis, it is solid on the second horizontal axis Dingan County fills the 4th pulley, and the both ends top of crossbeam is fixedly mounted fixed plate, wirerope is wound on third pulley, wirerope Middle position winds third pulley at least two and encloses, and the both ends of wirerope bypass fourth pulley ipsilateral with it, first pulley respectively It is fixedly connected afterwards with the fixed plate of the same side, the both ends of wirerope both pass through intracorporal two second cunnings of the multiple boxes ipsilateral with it Between wheel, hook is fixedly mounted in the bottom positioned at the link block of lower part.

The mobile boom hoisting of bridge crane as described above is equipped between the left and right ends of two pieces of risers Vertical guide sleeve is fixed by the bracket connection between guide sleeve and two pieces of risers, the both ends of wirerope, which both pass through, leads To casing.

The mobile boom hoisting of bridge crane as described above, open up on the inner wall of the guide sleeve it is multiple uniformly The spherical groove of distribution is respectively mounted bulb in spherical groove, and bulb is engaged with wirerope.

Protective shell is fixedly mounted in the mobile boom hoisting of bridge crane as described above, the outside of the riser, Stepper motor, driving gear are respectively positioned on inside corresponding protective shell with driven gear.

The mobile boom hoisting of bridge crane as described above, the first pulley, third pulley outer ring open If annular groove, wirerope is located in annular groove.

The invention has the advantages that the present invention replaces traditional motor to realize crane by object by the work of multiple hydraulic stems Body lifting, noise is lower, and safety coefficient is higher.Moving trolley in the present invention is the mature prior art, in the application no longer It is described in detail, when needing to adjust the height of hook, all hydraulic stems are worked at the same time, and are mounted on adjacent on the same side plate Two hydraulic stem telescopic direction on the contrary, the telescopic direction for two hydraulic stems being connected with the same box body on the contrary, by above-mentioned work Make that two adjacent box bodys can be made mobile, the movement of multiple box bodys is by that can drive position under the action of corresponding second pulley Wirerope between two side plates bends to S type, and the part wirerope being now placed between side plate and moving trolley is drawn into To between corresponding two side plates, the wirerope between the side plate of the end different positioned at crossbeam shortens, at this time with wirerope It is pulled into hook and two pieces of risers between corresponding two side plates while moving up, during all hydraulic stems reset simultaneously It can make hook and two pieces of risers while move down, realize the lifting of hook；Moving trolley two steps while being moved on crossbeam Cooperation is engaged with corresponding driven gear by driving gear into motor and drives the rotation of the first horizontal axis, the first horizontal axis drives third sliding Wheel rotation, when moving trolley moves to left, third pulley is rotated counterclockwise, and when moving trolley moves to right, third pulley is rotated clockwise, The length moment holding of the wirerope between the first pulley of different sides and the 4th pulley can be made equal by the design, thus It can make the state of the lower end surface moment holding level of two pieces of risers, to guarantee hook when with moving trolley transverse shifting not Can run-off the straight, guarantee that the article hung is not fallen out on hook, hook can be realized by the above process and move up and down and water Translation is dynamic, and the present invention realizes that links up with moves up and down and move horizontally by ingenious and novel mechanical structure, noise when work Lower, when a hydraulic stem failure will not cause falling for hook, overall security is gone up and down relative to traditional using motor Boom hoisting it is more safe and reliable, wirerope between not ipsilateral first pulley and the 4th pulley is grouped hook portion The lifting force of part is identical, and hook is made to be not likely to produce waving along crossbeam length direction, thus when making present invention lifting article more Stablize.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is structural schematic diagram of the invention；Fig. 2 is the enlarged drawing of the A direction view of Fig. 1；Fig. 3 is the B direction view of Fig. 1 Enlarged drawing；Fig. 4 is I partial enlarged view of Fig. 2；Fig. 5 is II partial enlarged view of Fig. 3；Fig. 6 is hook of the invention Usage state diagram when rising.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

The mobile boom hoisting of bridge crane, as shown, including the crossbeam 1 of bridge crane, the cooperation of 1 top of crossbeam Moving trolley 2 is installed, the guide rail walked for moving trolley 2 is coupled on crossbeam 1, moving trolley 2 can be along the length of crossbeam 1 Direction is mobile, and the left and right ends of moving trolley 2 are symmetrically installed first pulley 3, the wheel shaft of first pulley 3 be laterally and with crossbeam 1 Length direction is vertical, and the front and rear sides of the left and right ends of crossbeam 1 are symmetrically fixedly mounted side plate 4, between corresponding two side plates 4 It is equipped with several equally distributed box bodys 5, the left and right ends opening of box body 5, positioned at two side plates 4 close to the end of moving trolley 2 Connection, the front and back of other box bodys 5 are fixed by the bracket between the rear and front end of box body 5 between portion and corresponding side plate 4 It is fixedly connected by hydraulic stem 7 between both ends and corresponding side plate 4, the front and rear sides in box body 5 are symmetrically installed second pulley 6, the wheel shaft of second pulley 6 be it is vertical, the lower part of crossbeam 1 is equipped with two pieces of risers 8, is arranged before and after two pieces of risers 8, two pieces of risers 8 Upper and lower ends between be fixedly connected by link block 9, the first horizontal axis 10 is equipped among two pieces of risers 8, the first horizontal axis 10 Rear and front end both passes through corresponding riser 8 and the junction of the two is flexibly connected by bearing, on the upside of the both ends of the first horizontal axis 10 It is equipped with lateral stepper motor 11, stepper motor 11 is fixedly mounted on corresponding riser 8, on the output shaft of stepper motor 11 Driving gear 12 is fixedly mounted, the end of the first horizontal axis 10 is fixedly mounted driven gear 13, driving gear 12 with it is corresponding The engagement cooperation of driven gear 13, the left and right sides of the first horizontal axis are symmetrical arranged the second horizontal axis 14, the rear and front end of the second horizontal axis 14 It is flexibly connected by bearing between corresponding riser 8, third pulley 15, the second horizontal axis is fixedly mounted among the first horizontal axis 10 The 4th pulley 16 is fixedly mounted on 14, the both ends top of crossbeam 1 is fixedly mounted fixed plate 17, is wound with steel on third pulley 15 The middle position winding third pulley 15 at least two of cord 18, wirerope 18 encloses, and the both ends of wirerope 18 bypass same with it respectively It is fixedly connected after 4th pulley 16 of side, first pulley 3 with the fixed plate 17 of the same side, the both ends of wirerope 18 both pass through and it Between two second pulleys 6 in ipsilateral multiple box bodys 5, hook 19 is fixedly mounted in the bottom positioned at the link block 9 of lower part.This Invention replaces traditional motor to realize that crane goes up and down object by the work of multiple hydraulic stems 7, and noise is lower, safety coefficient It is higher.Moving trolley 2 in the present invention is the mature prior art, is no longer described in detail in the application, needs to adjust hook 19 Height when, all hydraulic stems 7 work at the same time, 7 telescopic direction of adjacent two hydraulic stem being mounted on the same side plate 4 On the contrary, the telescopic direction for two hydraulic stems 7 being connected with the same box body 5 is on the contrary, can make adjacent two by above-mentioned work A box body 5 is mobile, the movements of multiple box bodys 5 by can be driven under the action of corresponding second pulley 6 positioned at two side plates 4 it Between wirerope 18 bend to S type (as shown in Figure 6), 18 quilt of part wirerope being now placed between side plate 4 and moving trolley 2 Pull between corresponding two side plates 4, wirerope between the side plate 4 of the end different positioned at crossbeam 1 shortens, at this time with Wirerope 18 is pulled into hook 19 and two pieces of risers 8 between corresponding two side plates 4 while moving up, and all hydraulic stems 7 are same It can make hook 19 and two pieces of risers 8 during Shi Fuwei while move down, realize the lifting of hook 19；Moving trolley 2 is in cross Two stepper motors 11 engage cooperation with corresponding driven gear 13 by driving gear 12 and drive first while movement on beam 1 Horizontal axis 10 rotates, and the first horizontal axis 10 drives third pulley 15 to rotate, and when moving trolley 2 moves to left, third pulley 15 is rotated counterclockwise (observing according to the formal direction of Fig. 1), when moving trolley 2 moves to right, third pulley 15 is rotated clockwise (according to the formal side of Fig. 1 To observation), the length moment of the wirerope 18 between the first pulley 3 of different sides and the 4th pulley 16 can be made by the design Keep equal, so as to so that the lower end surface moment of two pieces of risers 8 keep horizontal state, to guarantee hook 19 with movement When trolley transverse shifting will not run-off the straight, guarantee that the article hung is not fallen out on hook 19, by the above process can be real Now hook 19 is moved up and down and is moved horizontally, and the present invention realizes moving up and down for hook 19 by ingenious and novel mechanical structure With move horizontally, noise is lower when work, will not cause falling for hook 19, overall security when a hydraulic stem 7 fails The first pulley 3 and fourth pulley more safe and reliable, not ipsilateral relative to traditional boom hoisting gone up and down using motor The lifting force of 18 pairs of wirerope 19 members of hook between 16 is identical, is not likely to produce hook 19 along 1 length direction of crossbeam Wave, thus make the present invention lifting article when it is more stable.

Specifically, as shown, being equipped with vertical lead between the left and right ends of two pieces of risers 8 described in the present embodiment To casing 20, connection is fixed by the bracket between guide sleeve 20 and two pieces of risers 8, the both ends of wirerope 18 both pass through guiding Casing 20.The relative position between wirerope 18 and two pieces of risers 8 can be made to keep stablizing by two guide sleeves 20, guaranteed Riser 8 keeps vertical state in operational process of the present invention, contact the upper end of riser 8 will not with wirerope 18, avoids to steel wire Rope 18 causes to damage, to improve operation stability and service life of the invention.

Specifically, as shown, opening up multiple equally distributed balls on the inner wall of guide sleeve 20 described in the present embodiment Shape slot 21 is respectively mounted bulb 22 in spherical groove 21, and bulb 22 is engaged with wirerope 18.It can make guide sleeve by bulb 22 Sliding friction between 20 inner wall of pipe and wirerope 18 becomes rolling friction, reduces wirerope 18 to the mill of 20 inner wall of guide sleeve Damage, while the abrasion of wirerope 18 is reduced, further improve service life of the invention.

Further, as shown, protective shell 23, stepping electricity is fixedly mounted in the outside of riser 8 described in the present embodiment Machine 11, driving gear 12 are respectively positioned on inside corresponding protective shell 23 with driven gear 13.By protective shell 23 by stepper motor 11, driving gear 12 is covered with driven gear 13, can be protected to it, stepper motor during avoiding the present invention from running 11, colliding with and damaging occur in driving gear 12 and driven gear 13, and work at the same time personnel and Gear Contact and injured.

Further, as shown, the outer ring of first pulley 3, third pulley 15 described in the present embodiment opens up ring Connected in star 24, wirerope 18 are located in annular groove 24.Annular groove 24 can make in the course of work of the present invention wirerope 18 with The relative position of pulley remains unchanged, and guarantees the stability that the present invention is run.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features； And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims

1. the mobile boom hoisting of bridge crane, it is characterised in that: the crossbeam (1) including bridge crane, crossbeam (1) top It is coupled moving trolley (2), the guide rail for moving trolley (2) walking is coupled on crossbeam (1), moving trolley (2) can be with Length direction along crossbeam (1) is mobile, and the left and right ends of moving trolley (2) are symmetrically installed first pulley (3), first pulley (3) Wheel shaft be laterally and it is vertical with crossbeam (1) length direction, side is symmetrically fixedly mounted in the front and rear sides of the left and right ends of crossbeam (1) Plate (4) is equipped with several equally distributed box bodys (5) between corresponding two side plates (4), and the left and right ends of box body (5) are opened Mouthful, it is located at the rear and front end of the box body (5) of two side plates (4) between the end of moving trolley (2) and corresponding side plate (4) Between be fixed by the bracket connection, pass through hydraulic stem between the rear and front end and corresponding side plate (4) of other box bodys (5) (7) it is fixedly connected, the front and rear sides in box body (5) are symmetrically installed second pulley (6), and the wheel shaft of second pulley (6) is vertical, cross The lower part of beam (1) is equipped with two pieces of risers (8), is arranged before and after two pieces of risers (8), logical between the upper and lower ends of two pieces of risers (8) It crosses link block (9) to be fixedly connected, is equipped with the first horizontal axis (10) among two pieces of risers (8), the rear and front end of the first horizontal axis (10) is equal It is flexibly connected across the junction of corresponding riser (8) and the two by bearing, is equipped on the upside of the both ends of the first horizontal axis (10) Lateral stepper motor (11), stepper motor (11) are fixedly mounted on corresponding riser (8), the output shaft of stepper motor (11) On be fixedly mounted driving gear (12), driven gear (13), driving gear is fixedly mounted in the end of the first horizontal axis (10) (12) it engages and cooperates with corresponding driven gear (13), the left and right sides of the first horizontal axis is symmetrical arranged the second horizontal axis (14), and second It is flexibly connected by bearing between the rear and front end of horizontal axis (14) and corresponding riser (8), it is fixed among the first horizontal axis (10) It installs third pulley (15), the 4th pulley (16), the fixed peace in the both ends top of crossbeam (1) is fixedly mounted on the second horizontal axis (14) It fills fixed plate (17), is wound with wirerope (18) on third pulley (15), the middle position of wirerope (18) winds third pulley (15) at least two circle, the both ends of wirerope (18) bypass fourth pulley (16) ipsilateral with it, first pulley (3) afterwards and together respectively The fixed plate (17) of side is fixedly connected, and the both ends of wirerope (18) both pass through two in multiple box bodys (5) ipsilateral with it Between second pulley (6), hook (19) is fixedly mounted in the bottom positioned at the link block (9) of lower part.

2. the mobile boom hoisting of bridge crane according to claim 1, it is characterised in that: two pieces of risers (8) it is equipped between left and right ends vertical guide sleeve (20), passes through between guide sleeve (20) and two pieces of risers (8) Bracket is fixedly connected, and the both ends of wirerope (18) both pass through guide sleeve (20).

3. the mobile boom hoisting of bridge crane according to claim 2, it is characterised in that: the guide sleeve (20) multiple equally distributed spherical grooves (21) are opened up on inner wall, are respectively mounted bulb (22) in spherical groove (21), bulb (22) It is engaged with wirerope (18).

4. the mobile boom hoisting of bridge crane according to claim 1, it is characterised in that: the riser (8) Outside is fixedly mounted protective shell (23), and stepper motor (11), driving gear (12) are respectively positioned on corresponding with driven gear (13) Protective shell (23) is internal.

5. the mobile boom hoisting of bridge crane according to claim 1, it is characterised in that: the first pulley (3), the outer ring of third pulley (15) opens up annular groove (24), and wirerope (18) is located in annular groove (24).