CN212270690U

CN212270690U - Buffering sling device of bridge girder erection machine

Info

Publication number: CN212270690U
Application number: CN202020434467.8U
Authority: CN
Inventors: 刘江天
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-01
Anticipated expiration: 2030-03-30

Abstract

The utility model belongs to the technical field of bridge girder erection machines, in particular to a buffering sling device of a bridge girder erection machine, which comprises a main sling, a top lifting plate, a wind-up roll, an auxiliary sling and a movable lifting frame; the bottom surface of the top hoisting plate is also provided with a driving assembly; the bottom surface of the movable lifting frame is provided with a clamping lifting plate, and a clamping mechanism for driving the two clamping lifting plates to approach or separate from each other is also arranged in the movable lifting frame; the longitudinal section of the clamping lifting plate is of an L-shaped structure, and buffer assemblies are fixed on the surfaces of the vertical part and the horizontal part of the clamping lifting plate; the utility model discloses a hoist cable device falls into main hoist cable and supplementary hoist cable, utilizes drive assembly drive wind-up roll rotatory with the supplementary hoist cable of rolling for lift by crane the roof beam piece, simultaneously, draw close each other with pressing from both sides tight roof beam piece through two sets of tight hoisting plates, guarantee the stability of roof beam piece, and installed buffer assembly on pressing from both sides tight hoisting plate, play the buffering antidetonation effect to the roof beam piece, further guarantee the stability of roof beam piece, subsequent installation of being convenient for.

Description

Buffering sling device of bridge girder erection machine

Technical Field

The utility model belongs to the technical field of the bridging machine, concretely relates to bridging machine buffering hoist cable device.

Background

The bridge erecting machine is equipment for placing prefabricated beam pieces on prefabricated piers, belongs to the category of cranes, and has the main function of lifting the beam pieces, then conveying the beam pieces to the proper positions and then putting down the beam pieces.

The original suspension cable device of the bridge girder erection machine is inconvenient to hoist in the using process, lacks a necessary buffer structure and is difficult to ensure the stability of hoisting the beam piece.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a bridge crane buffering hoist cable device has convenient to use and lifts by crane stable characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a buffering sling device of a bridge girder erection machine comprises a main sling and a top lifting plate, wherein the main sling is fixed on the top surface of the top lifting plate, and the buffering sling device also comprises a wind-up roll, an auxiliary sling and a movable lifting frame; the winding roller is arranged on the bottom surface of the top lifting plate; two groups of winding rollers are arranged, and two winding rollers are symmetrically arranged in each group; the movable lifting frame is positioned under the top lifting plate, the bottom end of the auxiliary sling is fixed on the top surface of the movable lifting frame, and the top end of the auxiliary sling is fixed on the winding roller; a driving component for driving the winding roller to rotate so as to wind the auxiliary sling is further mounted on the bottom surface of the top hoisting plate; the bottom surface of the movable lifting frame is provided with two symmetrically distributed clamping lifting plates, and a clamping mechanism for driving the two clamping lifting plates to approach or separate from each other is also arranged in the movable lifting frame; the longitudinal section of the clamping lifting plate is of an L-shaped structure, and buffer assemblies are fixed on the surfaces of the vertical part and the horizontal part of the clamping lifting plate.

As a preferred technical solution of the present invention, the driving assembly includes a dual-output shaft motor, a main rotating rod, a transition rotating rod, an auxiliary rotating rod, a driving bevel gear, a transition bevel gear and an auxiliary bevel gear; the double-output-shaft motor is fixed on the bottom surface of the top lifting plate, the main rotating rods are respectively fixed on two output shafts of the double-output-shaft motor, and the auxiliary rotating rods are supported and installed on the bottom surface of the top lifting plate through bearings; the two winding rollers in the same group are respectively arranged at the end parts of the two main rotating rods and the two ends of the auxiliary rotating rod; the transition rotating rod is supported and installed through a bearing between the main rotating rod and the auxiliary rotating rod, the driving bevel gear is fixed on the main rotating rod, the auxiliary bevel gear is fixed on the auxiliary rotating rod, the transition bevel gears are fixed at two ends of the transition rotating rod respectively, and the transition bevel gears are connected with the corresponding driving bevel gears and the auxiliary bevel gears in a meshed mode.

As a preferred technical proposal of the utility model, the transverse section of the movable lifting frame is in a structure like the Chinese character 'kou'; the clamping mechanism comprises a clamping motor and a bidirectional screw rod, the clamping motor is installed on the end face of the movable lifting frame, the bidirectional screw rod is arranged in the movable lifting frame through a bearing support frame, one end of the bidirectional screw rod is fixedly connected with an output shaft of the clamping motor, a threaded hole for the bidirectional screw rod to penetrate through is formed in the vertical portion of the clamping lifting plate, and the bidirectional screw rod is in threaded connection with the clamping lifting plate through the threaded hole.

As a preferred technical scheme of the utility model, the activity plays and still is fixed with the guide bar of two symmetric distributions in the gallows press from both sides tight the confession of still having seted up on the vertical portion of board that lifts by crane the guiding hole that the guide bar runs through.

As a preferred technical solution of the present invention, the buffer assembly includes a buffer telescopic column and a buffer spring, a first limiting plate and a second limiting plate are fixed at two ends of the buffer telescopic column respectively, and the buffer spring is sleeved on the buffer telescopic column and located between the first limiting plate and the second limiting plate; and the surface of the first limiting plate is provided with a roller.

As a preferred technical scheme of the utility model, the flexible post of buffering includes interior flexible post and the outer post that contracts of outer the post terminal surface that contracts has seted up the confession the activity groove of the movable embedding of interior flexible post one end, just this activity groove is stretched out to the other end of interior flexible post the port inner wall in activity groove is fixed with No. two spacing rings, the embedding end external surface fixation of interior flexible post has a spacing ring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a hoist cable device falls into main hoist cable and supplementary hoist cable, utilizes drive assembly drive wind-up roll rotatory with the supplementary hoist cable of rolling for lift by crane the roof beam piece, simultaneously, draw close each other with pressing from both sides tight roof beam piece through two sets of tight hoisting plates, guarantee the stability of roof beam piece, and installed buffer assembly on pressing from both sides tight hoisting plate, play the buffering antidetonation effect to the roof beam piece, further guarantee the stability of roof beam piece, subsequent installation of being convenient for.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the driving assembly of the present invention;

fig. 3 is a schematic top view of the movable lifting frame of the present invention;

fig. 4 is a schematic front structural view of the buffer assembly of the present invention;

fig. 5 is a schematic front sectional view of the buffer telescopic column of the present invention;

in the figure: 1. a main sling; 2. a top lifting plate; 3. a wind-up roll; 4. a drive assembly; 5. an auxiliary sling; 6. a movable lifting frame; 7. clamping the hoisting plate; 8. a clamping mechanism; 9. a buffer assembly; 10. a double output shaft motor; 11. a main rotating rod; 12. a transition rotating rod; 13. an auxiliary rotating rod; 14. a drive bevel gear; 15. a transition bevel gear; 16. an auxiliary bevel gear; 17. clamping the motor; 18. a bidirectional screw; 19. a threaded hole; 20. a guide bar; 21. a guide hole; 22. a first limiting plate; 23. a second limiting plate; 24. buffering the telescopic column; 25. a buffer spring; 26. a roller; 27. an inner telescopic column; 28. an outer telescopic column; 29. a movable groove; 30. a first limit ring; 31. and a second limiting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a buffering sling device of a bridge girder erection machine comprises a main sling 1 and a top lifting plate 2, wherein the main sling 1 is fixed on the top surface of the top lifting plate 2, and the buffering sling device also comprises a wind-up roll 3, an auxiliary sling 5 and a movable lifting frame 6; the winding roller 3 is arranged on the bottom surface of the top lifting plate 2; two groups of wind-up rolls 3 are arranged, and two wind-up rolls 3 are symmetrically arranged in each group; the movable lifting frame 6 is positioned right below the top lifting plate 2, the bottom end of the auxiliary sling 5 is fixed on the top surface of the movable lifting frame 6, and the top end of the auxiliary sling is fixed on the winding roller 3; a driving component 4 for driving the winding roller 3 to rotate so as to wind the auxiliary sling 5 is also arranged on the bottom surface of the top hoisting plate 2; two clamping lifting plates 7 which are symmetrically distributed are arranged on the bottom surface of the movable lifting frame 6, and a clamping mechanism 8 for driving the two clamping lifting plates 7 to approach or depart from each other is also arranged in the movable lifting frame 6; the vertical tangent plane that presss from both sides tight hanger plate 7 is "L" type structure, all be fixed with buffering subassembly 9 on the surface that presss from both sides tight hanger plate 7 vertical portion and horizontal part, when using, utilize drive assembly 4 drive wind-up roll 3 rotatory unreel auxiliary sling 5, after pressing from both sides tight hanger plate 7 and descend to target in place, start clamping mechanism 8, utilize clamping mechanism 8 drive two to press from both sides tight hanger plate 7 and draw close tight roof beam piece each other, buffering subassembly 9 plays the buffering antidetonation effect to the roof beam piece, guarantees the stability of roof beam piece.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, the driving assembly 4 includes a dual-output-shaft motor 10, a main rotating rod 11, a transition rotating rod 12, an auxiliary rotating rod 13, a driving bevel gear 14, a transition bevel gear 15, and an auxiliary bevel gear 16; the double-output-shaft motor 10 is fixed on the bottom surface of the top lifting plate 2, the main rotating rods 11 are respectively fixed on two output shafts of the double-output-shaft motor 10, and the auxiliary rotating rods 13 are supported and installed on the bottom surface of the top lifting plate 2 through bearings; the two winding rollers 3 in the same group are respectively arranged at the end parts of the two main rotating rods 11 and the two ends of the auxiliary rotating rod 13; a transition rotating rod 12 is supported and installed on the bottom surface of the top lifting plate 2 through a bearing and is positioned between the main rotating rod 11 and the auxiliary rotating rod 13, a driving bevel gear 14 is fixed on the main rotating rod 11, an auxiliary bevel gear 16 is fixed on the auxiliary rotating rod 13, transition bevel gears 15 are respectively fixed at two ends of the transition rotating rod 12, the transition bevel gears 15 are respectively meshed and connected with the corresponding driving bevel gear 14 and the corresponding auxiliary bevel gear 16, the main rotating rod 11 at two ends are respectively driven to rotate by utilizing a double-output-shaft motor 10, the transition rotating rod 12 is driven to rotate under the meshing relationship of the driving bevel gear 14 and the transition bevel gear 15, the transition rotating rod 12 drives the auxiliary rotating rod 13 to rotate by utilizing the meshing relationship between the transition bevel gear 15 at the other end and the corresponding auxiliary bevel gear 16, therefore, the main rotating rod 11 and a wind-up roll 3 at the end of the auxiliary rotating rod 13 synchronously rotate, wherein, the double-output-shaft motor 10 is an SC series, can be purchased directly in the market and needs to be connected with an electric power supply when in use.

Specifically, according to fig. 1 and 3, in the present embodiment, the transverse section of the movable lifting frame 6 is a square structure; the clamping mechanism 8 comprises a clamping motor 17 and a bidirectional screw 18, the clamping motor 17 is installed on the end face of the movable lifting frame 6, the bidirectional screw 18 is arranged in the movable lifting frame 6 through a bearing support frame, one end of the bidirectional screw 18 is fixedly connected with an output shaft of the clamping motor 17, a threaded hole 19 for the bidirectional screw 18 to penetrate through is formed in the vertical portion of the clamping lifting plate 7, the bidirectional screw 18 is connected with the clamping lifting plate 7 in a threaded screwing mode through the threaded hole 19, the clamping motor 17 is started, the clamping motor 17 is utilized to drive the bidirectional screw 18, and due to the threaded screwing relation between the bidirectional screw 18 and the clamping lifting plate 7, when the bidirectional screw 18 rotates, the clamping lifting plate 7 can move along the bidirectional screw 18, wherein the clamping motor 17 is Y-series and can be directly purchased on the market and needs to be connected with an electric power supply during use.

Specifically, according to fig. 3, in this embodiment, two guide rods 20 symmetrically distributed are further fixed in the movable lifting frame 6, a guide hole 21 for the guide rod 20 to penetrate through is further formed in the vertical portion of the clamping lifting plate 7, and when the clamping lifting plate 7 moves, the guide rod 20 can move along the guide rod 20, so that the clamping lifting plate 7 can move more stably.

Specifically, according to fig. 1 and fig. 4, in this embodiment, the buffer assembly 9 includes a buffer telescopic column 24 and a buffer spring 25, a first limit plate 22 and a second limit plate 23 are respectively fixed at two ends of the buffer telescopic column 24, and the buffer spring 25 is sleeved on the buffer telescopic column 24 and is located between the first limit plate 22 and the second limit plate 23; a roller 26 is arranged on the surface of the first limit plate 22, and the cooperation of the buffer spring 25 and the buffer telescopic column 24 provides a buffer anti-seismic effect for the beam, and as can be seen from fig. 1, the roller 26 on the vertical part of the clamping lifting plate 7 rotates in a direction perpendicular to the moving direction of the clamping lifting plate 7; the roller 26 on the horizontal part of the clamping lifting plate 7 has a rotation direction parallel to the moving direction of the clamping lifting plate 7, and the beam piece is blanked in the later period of convenience on the premise of ensuring the stability of the beam piece.

Specifically, according to fig. 4 and 5, in this embodiment, the buffer telescopic column 24 includes an inner telescopic column 27 and an outer telescopic column 28, a movable groove 29 for movably embedding one end of the inner telescopic column 27 is formed in an end surface of the outer telescopic column 28, the other end of the inner telescopic column 27 extends out of the movable groove 29, a second limit ring 31 is fixed on an inner wall of a port of the movable groove 29, a first limit ring 30 is fixed on an outer surface of an embedding end of the inner telescopic column 27, when the buffer telescopic column 24 is telescopic, the embedding end of the inner telescopic column 27 moves along the movable groove 29, and the first limit ring 30 and the second limit ring 31 cooperate to limit a moving range of the inner telescopic column 27, so as to ensure safety of the movement.

The utility model discloses a theory of operation and use flow: the utility model discloses a hoist cable device is when using, utilize 3 rotations of 4 drive wind-up rolls of drive assembly to unreel supplementary hoist cable 5, after tight hanger plate 7 descends and targetting in place tightly, start clamping mechanism 8, utilize two tight hanger plates 7 of tight clamp of clamp mechanism 8 drive to draw close tight beam piece each other, buffering subassembly 9 plays the buffering antidetonation effect to the beam piece, guarantee the stability of beam piece, later pull the beam piece and remove, after the beam piece targetting in place, restart drive assembly 4 drives 3 counter rotations of wind-up roll, transfer the beam piece, later, restart clamping mechanism 8, loosen the beam piece, carry out the installation of beam piece.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bridge crane buffering hoist cable device, includes main hoist cable (1) and top lifting plate (2), main hoist cable (1) is fixed the top surface of top lifting plate (2), its characterized in that: the device also comprises a winding roller (3), an auxiliary sling (5) and a movable lifting frame (6); the winding roller (3) is arranged on the bottom surface of the top lifting plate (2); two groups of winding rollers (3) are arranged, and two winding rollers (3) are symmetrically arranged in each group; the movable lifting frame (6) is positioned under the top lifting plate (2), the bottom end of the auxiliary sling (5) is fixed on the top surface of the movable lifting frame (6), and the top end of the auxiliary sling is fixed on the winding roller (3); a driving assembly (4) for driving the winding roller (3) to rotate so as to wind the auxiliary sling (5) is further mounted on the bottom surface of the top hoisting plate (2); two clamping lifting plates (7) which are symmetrically distributed are arranged on the bottom surface of the movable lifting frame (6), and a clamping mechanism (8) for driving the two clamping lifting plates (7) to approach or separate from each other is further arranged in the movable lifting frame (6); the longitudinal section of the clamping lifting plate (7) is of an L-shaped structure, and buffer assemblies (9) are fixed on the surfaces of the vertical part and the horizontal part of the clamping lifting plate (7).

2. The buffering sling device of a bridge erecting machine as claimed in claim 1, wherein: the driving assembly (4) comprises a double-output-shaft motor (10), a main rotating rod (11), a transition rotating rod (12), an auxiliary rotating rod (13), a driving bevel gear (14), a transition bevel gear (15) and an auxiliary bevel gear (16); the double-output-shaft motor (10) is fixed on the bottom surface of the top lifting plate (2), the main rotating rods (11) are respectively fixed on two output shafts of the double-output-shaft motor (10), and the auxiliary rotating rods (13) are supported and installed on the bottom surface of the top lifting plate (2) through bearings; the two winding rollers (3) in the same group are respectively arranged at the end parts of the two main rotating rods (11) and the two ends of the auxiliary rotating rod (13); transition bull stick (12) are supported through the bearing and are installed the top plays hanger plate (2) bottom surface and locates between main bull stick (11) and assistance bull stick (13), initiative umbelliform gear (14) are fixed on main bull stick (11), supplementary umbelliform gear (16) are fixed on assisting bull stick (13), transition umbelliform gear (15) are fixed respectively the both ends of transition bull stick (12), just transition umbelliform gear (15) link to each other with the meshing of corresponding initiative umbelliform gear (14) and supplementary umbelliform gear (16) respectively.

3. The buffering sling device of a bridge erecting machine as claimed in claim 1, wherein: the transverse section of the movable lifting frame (6) is of a square structure; the clamping mechanism (8) comprises a clamping motor (17) and a bidirectional screw (18), the clamping motor (17) is installed on the end face of the movable lifting frame (6), the bidirectional screw (18) is arranged in the movable lifting frame (6) through a bearing supporting frame, one end of the bidirectional screw (18) is fixedly connected with an output shaft of the clamping motor (17), a threaded hole (19) for the bidirectional screw (18) to penetrate through is formed in the vertical portion of the clamping lifting plate (7), and the bidirectional screw (18) is in threaded screwing connection with the clamping lifting plate (7) through the threaded hole (19).

4. A buffering sling device for bridge erecting machine as defined in claim 3, wherein: two guide rods (20) which are symmetrically distributed are further fixed in the movable lifting frame (6), and guide holes (21) for the guide rods (20) to penetrate through are further formed in the vertical portion of the clamping lifting plate (7).

5. The buffering sling device of a bridge erecting machine as claimed in claim 1, wherein: the buffer assembly (9) comprises a buffer telescopic column (24) and a buffer spring (25), a first limiting plate (22) and a second limiting plate (23) are respectively fixed at two ends of the buffer telescopic column (24), and the buffer spring (25) is sleeved on the buffer telescopic column (24) and is positioned between the first limiting plate (22) and the second limiting plate (23); and a roller (26) is arranged on the surface of the first limit plate (22).

6. The buffering sling device of bridge erecting machine as defined in claim 5, wherein: flexible post (24) of buffering includes interior flexible post (27) and outer flexible post (28) the confession has been seted up to outer flexible post (28) terminal surface activity groove (29) of interior flexible post (27) one end activity embedding, just this activity groove (29) are stretched out to the other end of interior flexible post (27) the port inner wall of activity groove (29) is fixed with No. two spacing rings (31), the end external fixation that inlays of interior flexible post (27) has spacing ring (30) No. one.