CN111453620B

CN111453620B - Hoisting equipment for bridge construction

Info

Publication number: CN111453620B
Application number: CN202010227075.9A
Authority: CN
Inventors: 宫长义; 邹建刚; 李国建; 周建中
Original assignee: Zhongyifeng Construction Group Co Ltd
Current assignee: Zhongyifeng Construction Group Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2023-02-28
Anticipated expiration: 2040-03-27
Also published as: CN111453620A

Abstract

The invention discloses hoisting equipment for bridge construction, which comprises a gantry crane body, wherein the gantry crane body comprises a cross beam, two support columns and two hoisting hooks, sliding grooves are formed in the bottoms of the inner sides of the two support columns, sliding blocks are arranged in the sliding grooves in a matched mode, a translation trolley is arranged between the two sliding blocks, two sides of the translation trolley are fixedly connected with the sliding blocks on the corresponding sides, and two sides of the top end of the translation trolley are respectively and oppositely provided with a squeezing mechanism. According to the hoisting equipment for bridge construction, the translation trolley is arranged on the portal frame body, when the weight of materials to be transported is not very large, two slide rails matched with the pulleys can be laid, the translation trolley is arranged on the slide rails, the materials are taken and placed on the translation trolley through the portal frame body, the materials are compacted through the compacting mechanism, then the translation trolley is pushed through the external power mechanism, the materials are transported to the position where the materials need to be used, certain transportation efficiency can be improved, and certain energy consumption is reduced.

Description

Hoisting equipment for bridge construction

Technical Field

The invention relates to hoisting equipment, in particular to hoisting equipment for bridge construction.

Background

The hoisting equipment starts to vertically or vertically and horizontally work after material taking, unloads the material after reaching a destination, then moves to a material taking place in an idle stroke, completes a work cycle, and then carries out secondary hoisting or carrying, and generally adopts a gantry crane for operation in bridge construction.

The existing gantry crane needs to move back and forth after taking materials, and is inconvenient to move due to large volume and weight, so that the transportation efficiency is low when the weight of transported materials is small, and the energy consumption is high in the moving process. Therefore, the hoisting equipment for bridge construction is improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides hoisting equipment for bridge construction.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to hoisting equipment for bridge construction, which comprises a gantry crane body, wherein the gantry crane body comprises a cross beam, two support columns and two hoisting hooks, sliding grooves are formed in the bottoms of the inner sides of the two support columns, sliding blocks are arranged in the sliding grooves in a matched mode, a translation trolley is arranged between the sliding blocks on the two sides, the two sides of the translation trolley are fixedly connected with the sliding blocks on the corresponding sides, squeezing mechanisms are arranged on the two sides of the top end of the translation trolley oppositely and respectively, each squeezing mechanism comprises a single-phase motor, a screw rod, a threaded cylinder and a squeezing plate, the single-phase motor is fixedly connected with the translation trolley, one end of the screw rod is fixedly connected with an output shaft of the single-phase motor, the other end of the screw rod is arranged in the threaded cylinder and is in threaded connection with the threaded cylinder, the squeezing plate is fixedly arranged at the other end of the threaded cylinder, and the single-phase motor is electrically connected with an external power supply through an external reversing switch.

As a preferred technical scheme of the invention, a bolt is arranged on the outer side of the top of the sliding groove, the bolt is in threaded connection with the sliding block, and a slot for the sliding block to slide out is formed in the bottom of the sliding groove; each side of the translation vehicle (4) is provided with two sliding blocks which are equal in height.

According to a preferable technical scheme of the invention, a dovetail groove is formed in the top end of the translation vehicle, two dovetail blocks are arranged in the dovetail groove in a matched mode, and the two dovetail blocks are fixedly arranged at the bottom ends of the two extrusion plates respectively.

As a preferable technical scheme of the invention, a hanging ring is fixedly arranged at the top end of the single-phase motor, a plurality of synapses are equidistantly arranged on one side of the extrusion plate away from the threaded cylinder, and the synapses are in a convex point structure or a stripe structure.

As a preferable technical scheme of the invention, the two supporting columns are respectively fixedly arranged at two sides of the bottom end of the cross beam, the two hoisting hooks are arranged at the bottom of the cross beam, and the two hoisting hooks are arranged at the inner sides of the two supporting columns.

As a preferable technical scheme of the invention, pulleys are arranged at four corners of the bottom end of the translation trolley.

The invention has the beneficial effects that: this kind of hoisting equipment for bridge construction, through be equipped with the translation dolly on the portal frame body, when the material weight that needs the transport is not very big, can lay two slide rails with pulley matched with, arrange the translation dolly in on the slide rail, get the material through the portal frame body and place on the translation car, crowd the mechanism through crowding and carry out the jam to the material, reduce its rocking on the translation car, then promote the translation car through outside power unit, to material transport to needs service position, can improve certain conveying efficiency, and reduce certain energy consumption.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a lifting device for bridge construction according to the present invention;

fig. 2 is a schematic structural diagram of a compaction mechanism of the hoisting equipment for bridge construction.

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 1 according to the invention

In the figure: 1. a gantry crane body; 101. a cross beam; 102. a support pillar; 103. lifting the hook; 2. a chute; 3. a slider; 4. a translation vehicle; 5. a squeezing mechanism; 501. a single-phase motor; 502. a screw rod; 503. a threaded barrel; 504. a pressing plate; 6. a bolt; 7. a dovetail block; 8. hanging a ring; 9. a pulley.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the hoisting equipment for bridge construction comprises a gantry crane body 1, wherein the gantry crane body 1 comprises a beam 101, two support columns 102 and two hoisting hooks 103, the bottoms of the inner sides of the two support columns 102 are both provided with a sliding chute 2, sliding blocks 3 are arranged in the sliding chute 2 in a matching manner, a translation trolley 4 is arranged between the sliding blocks 3 on the two sides, the two sides of the translation trolley 4 are fixedly connected with the sliding blocks 3 on the corresponding sides, two sliding blocks 3 are arranged on each side of the translation trolley 4, and the four sliding blocks 3 are positioned at the same height on the translation trolley 4. The both sides on 4 tops of translation car are provided with crowded tight mechanism 5 respectively relatively, crowded tight mechanism 5 includes single phase motor 501, lead screw 502, thread cylinder 503 and stripper plate 504, single phase motor 501 and translation car 4 fixed connection, the one end of lead screw 502 and single phase motor 501's output shaft fixed connection, the other end of lead screw 502 is arranged in thread cylinder 503 and with thread cylinder 503 threaded connection, the other end at thread cylinder 503 is fixed to be set up to stripper plate 504, single phase motor 501 is through external reversing switch and external power supply electric connection.

Wherein, the outside at 2 tops of spout is provided with bolt 6, bolt 6 and 3 threaded connection of slider, and the bottom of spout 2 is offered and is used for the fluting of 3 forward or backward roll-offs of slider, through the bolt 6 and the 3 threaded connection of slider that are equipped with, when not using translation car 4, can fix its position, through the fluting that is equipped with, be convenient for use the roll-off in 2 from the spout of translation car 4, through the setting of four sliders 3, the stability that translation car 4 was fixed has been increased, and the equal altitude setting of slider 3 then is favorable to having reduced grooved area.

The top end of the translation trolley 4 is provided with a dovetail groove, two dovetail blocks 7 are arranged in the dovetail groove in a matched mode, the two dovetail blocks 7 are fixedly arranged at the bottom ends of the two extrusion plates 504 respectively, and the positions of the extrusion plates 504 can be limited by the matching of the dovetail blocks 7 and the dovetail groove, so that the extrusion plates can only move along the dovetail groove.

The top end of the single-phase motor 501 is fixedly provided with a hanging ring 8, synapses of a plurality of convex point structures or stripe structures are equidistantly arranged on one side, away from the threaded barrel 503, of the extrusion plate 504, when the translation car 4 needs to be put down, the translation car 4 is hung and taken through the matching of the lifting hook 103 and the hanging ring 8, then the bolt 6 is screwed down, and the translation car 4 is put down through the lifting hook 103.

Wherein, two support columns 102 are respectively fixed and set up in the both sides of crossbeam 101 bottom, and two are lifted by crane the couple 103 and all arrange the bottom of crossbeam 101 in, and two are lifted by crane the couple 103 and all arrange the inboard of two support columns 102 in, through the horizontal migration with reciprocate to lift by crane the couple 103 (the level of lifting by crane the couple with reciprocate to realize through the actuating mechanism that sets up on portal crane body 1, for prior art, not shown in the figure), realize hanging to get the transport to the material.

Wherein, four edges of translation car 4 bottom all are provided with pulley 9, when using translation car 4, lay two and pulley 9 matched with slide rails, are convenient for remove translation car 4.

When the translation vehicle 4 needs to be used, two slide rails matched with the pulleys 9 are laid at the bottom of the translation vehicle 4, the two lifting hooks 103 are moved to be matched with the two hanging rings 8 respectively, the translation vehicle 4 is hung, the bolts 6 are screwed at the moment to be separated from the sliding blocks 3, the lifting hooks 103 are moved again, the translation vehicle 4 is placed on the slide rails, the gantry crane body 1 works to grab and place materials transported by the vehicle on the translation vehicle 4, the reversing switch is turned on, the two single-phase motors 501 work simultaneously to drive the two lead screws 502 to rotate, the lead screws 502 rotate to drive the threaded cylinders 503 in threaded connection with the lead screws 502 to move, the threaded cylinders 503 move to further achieve the movement of the extrusion plates 504, the materials are squeezed tightly through the relative movement of the two extrusion plates 504, the friction force between the materials can be increased through synapses arranged on the extrusion plates 504, the shaking of the materials is reduced, and then the translation vehicle 4 is driven by an external traction mechanism to be transported to the position needing to be used.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 hoisting equipment for bridge construction comprises a gantry crane body (1), wherein the gantry crane body (1) comprises a cross beam (101), two support columns (102) and two hoisting hooks (103), and is characterized in that sliding grooves (2) are formed in the bottoms of the inner sides of the two support columns (102), sliding blocks (3) are arranged in the sliding grooves (2) in a matched mode, a translation vehicle (4) is arranged between the sliding blocks (3) on the two sides, the two sides of the translation vehicle (4) are fixedly connected with the sliding blocks (3) on the corresponding sides, two sides of the top end of the translation vehicle (4) are respectively and oppositely provided with a squeezing mechanism (5), each squeezing mechanism (5) comprises a single-phase motor (501), a screw rod (502), a threaded cylinder (503) and a squeezing plate (504), the single-phase motor (501) is fixedly connected with the translation vehicle (4), one end of the screw rod (502) is fixedly connected with an output shaft of the single-phase motor (501), the other end of the screw rod (502) is arranged in the threaded cylinder (503) and is in threaded connection with the threaded cylinder (503), the squeezing plate (504) is fixedly arranged at the other end of the threaded cylinder, and the screw rod (503) is electrically connected with a reverse switch (501) through the external power supply; a bolt (6) is arranged on the outer side of the top of the sliding groove (2), the bolt (6) is in threaded connection with the sliding block (3), and a groove for sliding the sliding block (3) out is formed in the bottom of the sliding groove (2); pulleys (9) are arranged at four corners of the bottom end of the translation trolley (4); two sliding rails matched with the pulleys are laid below the translation trolley.

2. The hoisting equipment for bridge construction according to claim 1, wherein a dovetail groove is formed at the top end of the translation trolley (4), two dovetail blocks (7) are arranged in the dovetail groove in a matched manner, and the two dovetail blocks (7) are respectively and fixedly arranged at the bottom ends of the two extrusion plates (504).

3. The hoisting equipment for bridge construction as claimed in claim 1, wherein the top end of the single-phase motor (501) is fixedly provided with a suspension loop (8), and a plurality of synapses are equidistantly arranged on one side of the extrusion plate (504) far away from the threaded barrel (503).

4. The hoisting equipment for bridge construction according to claim 1, wherein the two support columns (102) are respectively and fixedly arranged at two sides of the bottom end of the cross beam (101), the two hoisting hooks (103) are arranged at the bottom of the cross beam (101), and the two hoisting hooks (103) are arranged at the inner sides of the two support columns (102).

5. The hoisting device for bridge construction according to claim 1, wherein two sliding blocks are arranged on each side of the mobile carriage (4), and the two sliding blocks are equal in height.

6. The hoisting device for bridge construction according to claim 3, wherein the synapse is in a bump structure or a stripe structure.