CN217350371U - Auxiliary device for hoisting large-tonnage beam - Google Patents

Abstract

The utility model belongs to the technical field of the bridge construction, a an auxiliary device for lifting by crane large-tonnage roof beam is disclosed. The movable pulley block is used for connecting a rope of the crane; the hanger is connected with the movable pulley block; the two balanced lifting appliances are respectively arranged at the two ends of the lifting frame; wherein, balanced hoist includes first balanced roof beam, first coupling assembling and second coupling assembling, first coupling assembling includes first support body and the first subassembly of hanging, first support body sets up on first balanced roof beam, first subassembly of hanging includes first jib, first packing ring, second packing ring and first nut, first packing ring is pressed and is supported on first support body, the second packing ring is pressed and is supported on first packing ring, first nut is pressed and is supported on the second packing ring, first support body is passed to the upper end of first jib, first packing ring, the second packing ring links to each other with first nut, the lower extreme of first jib with wait to erect the roof beam and be connected, first packing ring meets with the second packing ring with the sphere pair, the destruction of shear force to first jib has been avoided, the reliability of first jib has been improved.

Description

Auxiliary device for hoisting large-tonnage beam

Technical Field

The utility model relates to a bridge construction technical field especially relates to an auxiliary device for lifting by crane large-tonnage roof beam.

Background

In the construction process of a highway, when a mountain is dug, a bridge is bridged when meeting water, which is a common construction project. In the process of bridging, the precast beam is often adopted as a bridging unit so as to improve the efficiency of bridging.

For the hoisting and lowering of the small precast beam, the method is generally realized by a method of embedding a steel bar hanging ring or encircling by a steel wire rope, and for the kiloton-level ultra-wide large-tonnage precast box beam, the method cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary device for lifting by crane large-tonnage roof beam, this an auxiliary device for lifting by crane large-tonnage roof beam can use in the transport of large-tonnage precast beam, promotion, transportation and erect etc. construction.

To achieve the purpose, the utility model adopts the following technical proposal:

an auxiliary device for hoisting a large tonnage beam, comprising:

the movable pulley block is used for connecting a rope of the crane;

the hanging bracket is positioned below the movable pulley block and connected with the movable pulley block;

the two balance lifting appliances are respectively arranged at two ends of the lifting frame;

the balanced lifting appliance comprises a first balanced beam, a first connecting assembly and a second connecting assembly, wherein the first balanced beam is arranged on the lifting frame, and the first connecting assembly and the second connecting assembly are arranged on the first balanced beam and are connected with a beam to be erected;

first connecting element includes first support body and the first subassembly of hanging, first support body setting is in on the first equalizing beam, first subassembly of hanging includes first jib, first packing ring, second packing ring and first nut, first packing ring pressure is supported on the first support body, the second packing ring pressure is supported on the first packing ring, first nut pressure is supported on the second packing ring, the upper end of first jib passes in proper order first support body first packing ring the second packing ring with first nut links to each other, the lower extreme of first jib be configured into with wait to erect the roof beam and connect, first packing ring with the second packing ring meets with the sphere is vice.

Optionally, the first hanging assembly further comprises a first equal-thickness plate, a first cushion block and a second nut, the first equal-thickness plate, the first cushion block and the second nut are sleeved outside the first hanging rod from top to bottom, the second nut is in threaded connection with the first hanging rod, the first cushion block is pressed against the second nut, the first equal-thickness plate is pressed against the first cushion block, the beam to be erected is pressed against the first equal-thickness plate, and a first included angle is formed between the upper surface of the first cushion block and the horizontal plane.

Optionally, the second connecting assembly includes a second equalizing beam and at least two second hanging assemblies, the upper end of each second hanging assembly is arranged on the second equalizing beam, the lower end of each second hanging assembly is connected with the beam to be erected, and the second equalizing beam is arranged on the first equalizing beam.

Optionally, the second hanging assembly includes a second hanger rod, a third washer, a fourth washer and a third nut, the third washer presses against the second equalizing beam, the fourth washer presses against the third washer, the third nut presses against the fourth washer, the upper end of the second hanger rod sequentially passes through the second equalizing beam, the third washer, the fourth washer and the third nut, the lower end of the second hanger rod is configured to be connected to the beam to be erected, and the third washer and the fourth washer are connected in a spherical pair.

Optionally, the second hanging assembly further comprises a second equal-thickness plate, a second cushion block and a fourth nut, the second equal-thickness plate, the second cushion block and the fourth nut are sleeved outside the second hanging rod from top to bottom, the fourth nut is in threaded connection with the second hanging rod, the second cushion block presses against the fourth nut, the second equal-thickness plate presses against the second cushion block, the beam to be erected presses against the second equal-thickness plate, and a second included angle is formed between the upper surface of the second cushion block and the horizontal plane.

Optionally, the equalizing lifting appliance further comprises a first pin shaft, and the first pin shaft penetrates through the first frame body and the first equalizing beam to suspend the first frame body on the first equalizing beam.

Optionally, the equalizing lifting appliance further comprises a second pin shaft, and the second pin shaft is arranged through the lifting frame and the first equalizing beam so as to suspend the first equalizing beam on the lifting frame.

Optionally, the lifting frame further comprises a third pin shaft, and the third pin shaft penetrates through the movable pulley block and the lifting frame so as to hang the lifting frame on the movable pulley block.

Optionally, the hanger is provided with at least three ear plates, and the third pin shaft penetrates through each ear plate.

Optionally, the hanger is further provided with reinforcing plates in one-to-one correspondence with the ear plates, and the reinforcing plates are arranged on the corresponding ear plates.

Has the advantages that:

the utility model provides an auxiliary device for lifting large-tonnage beam, at any end of waiting to erect the roof beam, wait to erect the roof beam all through first coupling assembling and second coupling assembling connect to first equalizing beam, on first coupling assembling, the load of waiting to erect the roof beam supports on the first support body through first jib, first nut, first packing ring and second packing ring pressure, be the sphere pair contact between first packing ring and the second packing ring, when waiting to erect the roof beam and producing the horizontal shear force to first jib, can take place to rotate between first packing ring and the second packing ring, change the contained angle of shear force and first jib, make the shear force change into pulling force, therefore, the load that the roof beam to erect produced mainly acts on first jib with the form of pulling force, has avoided the destruction of shear force to first jib, has improved the reliability of first jib, thereby improved the bearing capacity of auxiliary device for large-tonnage beam, the balanced lifting appliances at the two ends of the lifting frame are connected to the beam to be erected, and the rope of the lifting machine is connected to the movable pulley block, so that the large-tonnage beam to be erected can be lifted.

Drawings

Fig. 1 is a front view of an auxiliary device for hoisting a large-tonnage beam according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the first coupling assembly and the first equalizer beam of FIG. 1;

fig. 3 is a side view of an auxiliary device for hoisting a large-tonnage beam according to an embodiment of the present invention.

In the figure:

1. a movable pulley block;

2. a hanger; 21. an ear plate; 22. a reinforcing plate;

3. balancing the lifting appliance;

31. a first equalizing beam;

32. a first connection assembly; 321. a first frame body; 322. a first hanger assembly; 3221. a first boom; 3222. a first gasket; 3223. a second gasket; 3224. a first nut; 3225. a first equal-thickness plate; 3226. A first cushion block; 3227. a second nut;

33. a second connection assembly; 331. a second equalizing beam; 332. a second hanger assembly; 3321. a second boom; 3322. a second equal-thickness plate; 3323. a fourth nut;

34. a first pin shaft;

35. a second pin shaft;

4. a third pin shaft;

5. the beam is to be erected.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides an auxiliary device for hoisting a large-tonnage beam, which comprises a movable pulley block 1, a lifting frame 2 and two balance lifting appliances 3, as shown in fig. 1. The movable pulley block 1 is used for connecting a rope of a crane; the hanger 2 is positioned below the movable pulley block 1 and is connected with the movable pulley block 1; the two balanced lifting appliances 3 are respectively arranged at two ends of the lifting frame 2 and are used for connecting a beam 5 to be erected. In this embodiment, the beam 5 to be erected is a box beam, and the equalizing hangers 3 at both ends of the hanger 2 are respectively connected to both ends of the box beam along the width direction thereof, and the beam 5 to be erected can be lifted by connecting the rope of the crane to the movable pulley block 1 above the hanger 2.

As shown in fig. 2, optionally, the auxiliary device for hoisting a large-tonnage beam further includes a third pin 4, and the third pin 4 is inserted into the movable pulley block 1 and the hoisting frame 2 to hang the hoisting frame 2 on the movable pulley block 1. The hanging bracket 2 and the movable pulley block 1 are connected through a third pin shaft 4, so that rotatability is provided between the hanging bracket 2 and the movable pulley block 1, and the direction of the load of the beam 5 to be erected is self-adaptive. Optionally, the hanger 2 is provided with at least three ear plates 21, the third pin 4 is inserted into each ear plate 21, and the plurality of ear plates 21 make the relative position relationship between the movable pulley block 1 and the hanger 2 more stable. Optionally, the hanger 2 is further provided with a reinforcing plate 22 corresponding to the ear plate 21 one by one, and the reinforcing plate 22 is disposed on the corresponding ear plate 21. In the present embodiment, the reinforcing plate 22 is welded to the side surface of the ear plate 21, and the reinforcing plate 22 is used to reinforce the ear plate 21, so as to improve the load-resisting capacity of the ear plate 21 and reduce the risk of the ear plate 21 breaking under the load of the beam 5 to be erected.

At either end of the beam 5 to be erected in the width direction of the beam 5 to be erected, the equalizing sling 3 comprises a first equalizing beam 31, a first connecting member 32 and a second connecting member 33, as shown in fig. 3. The first equalizing beam 31 is arranged on the hanger 2, and the first connecting assembly 32 and the second connecting assembly 33 are both arranged on the first equalizing beam 31 and are both connected with the beam 5 to be erected. In this embodiment, the first connecting assembly 32 and the second connecting assembly 33 are distributed along the length direction of the beam 5 to be erected, and are connected to the beam 5 to be erected respectively for stable hanging.

Optionally, the equalizing lifting device 3 further includes a second pin 35, and the second pin 35 is inserted into the lifting frame 2 and the first equalizing beam 31 to hang the first equalizing beam 31 on the lifting frame 2. The first equalizing beam 31 is connected to the hanger 2 through the second pin shaft 35, and the first equalizing beam 31 has a certain rotational degree of freedom on the hanger 2, so that the first connecting assembly 32 and the second connecting assembly 33 are stressed in a balanced manner relatively when the beam 5 to be erected is hoisted.

As shown in fig. 2 and 3, the first connection assembly 32 includes a first frame body 321 and a first hanging assembly 322, and the first frame body 321 is disposed on the first equalizing beam 31. Optionally, the equalizing hanger 3 further includes a first pin 34, and the first pin 34 is inserted into the first frame body 321 and the first equalizing beam 31 to hang the first frame body 321 on the first equalizing beam 31. That is to say, the first connecting assembly 32 is connected to the first equalizing beam 31 through the first pin 34, and the first connecting assembly 32 has a certain rotational degree of freedom for the first equalizing beam 31 as a whole, and can adaptively adjust the sag of the beam 5 to be erected compared with the horizontal plane according to the gravity thereof, thereby being beneficial to reducing the shear load acting on the beam and improving the bearing capacity of the auxiliary device.

As shown in fig. 2, the first hanging assembly 322 includes a first hanging rod 3221, a first washer 3222, a second washer 3223, and a first nut 3224, the first washer 3222 presses against the first frame body 321, the second washer 3223 presses against the first washer 3222, the first nut 3224 presses against the second washer 3223, the upper end of the first hanging rod 3221 sequentially passes through the first frame body 321, the first washer 3222, and the second washer 3223 to be connected with the first nut 3224, the lower end of the first hanging rod 3221 is configured to be connected with a beam 5 to be erected, and the first washer 3222 and the second washer 3223 are connected in a spherical pair. That is, the load of the beam 5 to be erected is pressed against the first frame body 321 by the first suspension rod 3221, the first nut 3224, the first washer 3222, and the second washer 3223. The first washer 3222 and the second washer 3223 are in spherical pair contact, and when the beam 5 to be erected generates a transverse shearing force on the first suspension rod 3221, the first washer 3222 and the second washer 3223 rotate relatively to each other, so that an included angle between the shearing force and the first suspension rod 3221 is changed, and the shearing force is converted into a pulling force. Therefore, the load generated by the beam 5 to be erected acts on the first suspension rod 3221 mainly in the form of tensile force, so that the damage of the shear force to the first suspension rod 3221 is avoided, the reliability of the first suspension rod 3221 is improved, and the bearing capacity of the auxiliary device for hoisting the large-tonnage beam is improved.

Optionally, with continued reference to fig. 2, the first hanging assembly 322 further includes a first equal-thickness plate 3225, a first pad 3226, and a second nut 3227, which is sleeved on the first suspension rod 3221 from top to bottom, the second nut 3227 is in threaded connection with the first suspension rod 3221, the first pad 3226 is pressed against the second nut 3227, the first equal-thickness plate 3225 is pressed against the first pad 3226, the beam 5 to be erected is pressed against the first equal-thickness plate 3225, and an upper surface of the first pad 3226 forms a first included angle with the horizontal plane. In this embodiment, the first included angle is an included angle between the inner wall of the box girder and the horizontal plane, so that the first equal-thickness plate 3225 is sufficiently attached to the inner wall of the box girder to more stably lift the girder 5 to be erected.

Optionally, the second connection assembly 33 includes a second equalizing beam 331 and at least two second hanging assemblies 332, an upper end of each second hanging assembly 332 is disposed on the second equalizing beam 331, a lower end of each second hanging assembly 332 is connected to the beam 5 to be erected, and the second equalizing beam 331 is disposed on the first equalizing beam 31. That is, the second equalizing beam 331 is provided on the basis of the first equalizing beam 31, so that the stress distribution of the second hanging members 332 on the second equalizing beam 331 can be made uniform, even if the stress distribution of the entire inside of the second connecting member 33 is made uniform.

Optionally, the second hanging component 332 comprises a second hanging rod 3321, a third washer, a fourth washer and a third nut, the third washer presses against the second equalizing beam 331, the fourth washer presses against the third washer, the third nut presses against the fourth washer, the upper end of the second hanging rod 3321 sequentially passes through the second equalizing beam 331, the third washer and the fourth washer to be connected with the third nut, the lower end of the second hanging rod 3321 is configured to be connected with the beam 5 to be erected, and the third washer and the fourth washer meet in a spherical pair. When the beam 5 to be erected generates a transverse shearing force on the second suspension rod 3321, the third gasket and the fourth gasket rotate relatively, so that an included angle between the shearing force and the second suspension rod 3321 is changed, and the shearing force is converted into a pulling force. Therefore, the load generated by the beam 5 to be erected acts on the second suspender 3321 mainly in the form of tensile force, so that the second suspender 3321 is prevented from being damaged by shearing force, the reliability of the second suspender 3321 is improved, and the bearing capacity of the auxiliary device for hoisting the large-tonnage beam is improved.

Optionally, the second hanging assembly 332 further includes a second equal-thickness plate 3322, a second cushion block and a fourth nut 3323 which are sleeved outside the second suspension rod 3321 from top to bottom, the fourth nut 3323 is in threaded connection with the second suspension rod 3321, the second cushion block is pressed against the fourth nut 3323, the second equal-thickness plate 3322 is pressed against the second cushion block, the beam 5 to be erected is pressed against the second equal-thickness plate 3322, and the upper surface of the second cushion block forms a second included angle with the horizontal plane. In this embodiment, the second included angle is an included angle between the inner wall of the box beam and the horizontal plane, so that the second equal-thickness plate 3322 is fully attached to the inner wall of the box beam to more stably lift the beam 5 to be erected.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides an auxiliary device for hoisting large-tonnage roof beam which characterized in that includes:

the movable pulley block (1) is used for connecting a rope of a crane;

the hanging bracket (2) is positioned below the movable pulley block (1) and is connected with the movable pulley block (1);

the two balance lifting appliances (3) are respectively arranged at two ends of the lifting frame (2);

the equalizing lifting tool (3) comprises a first equalizing beam (31), a first connecting assembly (32) and a second connecting assembly (33), wherein the first equalizing beam (31) is arranged on the lifting frame (2), and the first connecting assembly (32) and the second connecting assembly (33) are both arranged on the first equalizing beam (31) and are both connected with a beam (5) to be erected;

the first connecting component (32) comprises a first frame body (321) and a first hanging component (322), the first frame body (321) is arranged on the first equalizing beam (31), the first hanging assembly (322) comprises a first hanging rod (3221), a first gasket (3222), a second gasket (3223) and a first nut (3224), the first gasket (3222) is pressed against the first frame body (321), the second gasket (3223) is pressed against the first gasket (3222), the first nut (3224) is pressed against the second washer (3223), the upper end of the first suspension rod (3221) sequentially penetrates through the first frame body (321), the first washer (3222) and the second washer (3223) to be connected with the first nut (3224), the lower end of the first suspension bar (3221) is configured to be connected with the beam (5) to be erected, the first gasket (3222) is connected with the second gasket (3223) in a spherical pair manner.

2. The auxiliary device for hoisting a large-tonnage beam according to claim 1, wherein the first hanging assembly (322) further comprises a first equal-thickness plate (3225), a first cushion block (3226) and a second nut (3227) which are sleeved outside the first suspension rod (3221) from top to bottom, the second nut (3227) is in threaded connection with the first suspension rod (3221), the first cushion block (3226) is pressed against the second nut (3227), the first equal-thickness plate (3225) is pressed against the first cushion block (3226), the beam (5) to be erected is pressed against the first equal-thickness plate (3225), and an upper surface of the first cushion block (3226) forms a first included angle with a horizontal plane.

3. The auxiliary device for hoisting a large-tonnage beam as recited in claim 1, wherein the second connecting assembly (33) comprises a second equalizing beam (331) and at least two second hanging assemblies (332), the upper end of each second hanging assembly (332) is arranged on the second equalizing beam (331), the lower end of each second hanging assembly (332) is connected with the beam (5) to be erected, and the second equalizing beam (331) is arranged on the first equalizing beam (31).

4. The auxiliary device for hoisting a large tonnage beam of claim 3, wherein the second hanger assembly (332) comprises a second hanger bar (3321), a third washer, a fourth washer and a third nut, wherein the third washer is pressed against the second equalizing beam (331), the fourth washer is pressed against the third washer, the third nut is pressed against the fourth washer, the upper end of the second hanger bar (3321) sequentially passes through the second equalizing beam (331), the third washer and the fourth washer and is connected with the third nut, the lower end of the second hanger bar (3321) is configured to be connected with the beam to be erected (5), and the third washer and the fourth washer are connected in a spherical pair.

5. The auxiliary device for hoisting a large-tonnage beam as recited in claim 4, wherein the second hanger assembly (332) further comprises a second equal-thickness plate (3322), a second cushion block and a fourth nut (3323) which are sleeved outside the second hanger rod (3321) from top to bottom, the fourth nut (3323) is in threaded connection with the second hanger rod (3321), the second cushion block is pressed against the fourth nut (3323), the second equal-thickness plate (3322) is pressed against the second cushion block, the beam (5) to be erected is pressed against the second equal-thickness plate (3322), and the upper surface of the second cushion block forms a second included angle with the horizontal plane.

6. The auxiliary device for hoisting a large-tonnage beam according to any one of claims 1 to 5, wherein the balance spreader (3) further comprises a first pin (34), and the first pin (34) is inserted into the first frame body (321) and the first balance beam (31) to hang the first frame body (321) on the first balance beam (31).

7. The auxiliary device for hoisting a large-tonnage beam as defined in any one of claims 1 to 5, wherein the equalizing sling (3) further comprises a second pin (35), the second pin (35) being inserted through the hanger (2) and the first equalizing beam (31) to suspend the first equalizing beam (31) on the hanger (2).

8. The auxiliary device for hoisting a large-tonnage beam as defined in any one of claims 1-5, further comprising a third pin (4), wherein the third pin (4) is inserted through the movable pulley block (1) and the lifting frame (2) to hang the lifting frame (2) on the movable pulley block (1).

9. The auxiliary device for hoisting a large-tonnage beam as recited in claim 8, wherein the hanger (2) is provided with at least three ear plates (21), and the third pin (4) is inserted into each ear plate (21).

10. The auxiliary device for hoisting a large-tonnage beam as recited in claim 9, wherein the hanger (2) is further provided with reinforcing plates (22) corresponding to the ear plates (21) one by one, and the reinforcing plates (22) are arranged on the corresponding ear plates (21).

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