CN215402728U

CN215402728U - Double-machine lifting device

Info

Publication number: CN215402728U
Application number: CN202121052373.5U
Authority: CN
Inventors: 王成; 韩岗; 曹亮; 吕亚秋; 田毛进; 曾涛; 郭继禄; 龙良宇
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Shenzhen Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Shenzhen Engineering Co Ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-01-04
Anticipated expiration: 2031-05-17

Abstract

The utility model belongs to the technical field of hoisting devices, and particularly relates to a double-machine lifting hoisting device which comprises a base and an automobile crane positioned on the ground, wherein two bearings I which are symmetrically distributed are fixedly sleeved in the base, a forward screw and a reverse screw are fixedly sleeved in the two bearings I together, two threaded sleeves which are symmetrically distributed are connected to the outer sides of the forward screw and the reverse screw through threads, a support frame is connected to the upper end of the base in a sliding mode, a bevel gear I is fixedly connected to the outer sides of the forward screw and the reverse screw, and a forward and reverse motor is fixedly connected to the inner portion of the base. The structure of the positive and negative screw rods, the threaded sleeves, the support frame and the like is additionally arranged inside the base, so that the two threaded sleeves can be driven to move relatively through the threaded fit between the positive and negative screw rods and the threaded sleeves during clamping, the support frame can be driven by the threaded sleeves to fix the precast beam inside, and the precast beam can be prevented from falling off in the moving process.

Description

Double-machine lifting device

Technical Field

The utility model relates to the technical field of hoisting devices, in particular to a double-machine lifting hoisting device.

Background

And hoisting the component by using a hoisting device, and installing and fixing the component on a construction work station at a designed position. The method comprises the steps of part hoisting and integral hoisting. The former is to hoist each member of the building and the structure in turn; the latter is that each component is assembled into an integral structure on the ground and then hoisted, and when some large-scale devices are hoisted, two truck cranes are used for hoisting.

When hoisting is carried out through two truck cranes in the prior art, the two truck cranes are uniformly commanded to work in a matched mode on site, and when hoisting is carried out, the precast beam is easy to break away from and cause danger in the process of hoisting the precast beam due to different technical degrees of operators, and the matching difficulty of the two truck cranes is large when the position of the precast beam is finely adjusted. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-crane lifting device, which solves the problems that a large lifting device is inconvenient to fix and fine-adjust.

In order to achieve the purpose, the utility model provides the following technical scheme: the double-crane lifting device comprises a base and a truck crane positioned on the ground, wherein two bearings I which are symmetrically distributed are fixedly sleeved in the base, a forward screw and a reverse screw are fixedly sleeved in the two bearings I together, the outer sides of the forward screw and the reverse screw are connected with two thread sleeves which are symmetrically distributed through threads, the upper end of the base is connected with a support frame in a sliding manner, a bevel gear I is fixedly connected to the outer sides of the forward screw and the reverse screw, a forward and reverse motor is fixedly connected in the base, a bevel gear II is fixedly connected to the tail end of an output shaft of the forward and reverse motor and meshed with the bevel gear I, a connecting box is fixedly connected to the upper end of the base, a bearing II is fixedly sleeved in the inner part of the lower end of the connecting box, a connecting shaft is fixedly sleeved in the inner part of the bearing II, and a threaded cylinder is rotatably connected in the inner part of the connecting box, the utility model discloses a hydraulic pressure pump, including a threaded section of thick bamboo, connecting box, connecting axle, connecting box, connecting rod, connecting box, the inside of threaded section of thick bamboo has the thread plate through threaded connection, the upper end fixedly connected with bracing piece of thread plate, the upper end fixedly connected with go-between of bracing piece, the upper end fixedly connected with wire rope of go-between, the inside fixedly connected with limiting plate of connecting box, the outside fixedly connected with bevel gear three of connecting axle, the inside fixedly connected with servo motor of connecting box, be equipped with the jib on the mobile crane, be equipped with wire rope on the jib.

Preferably, the outer side of the threaded sleeve is fixedly connected with a connecting block, the connecting block is fixedly connected with the supporting frame, and the connecting block is slidably connected with the base.

Preferably, the upper end fixedly connected with gag lever post of threading board, the gag lever post with limiting plate sliding connection, the gag lever post with go-between fixed connection.

Preferably, the threaded cylinder is fixedly connected with the connecting shaft, and the supporting rod is connected with the limiting plate in a sliding mode.

Preferably, the number of the support frames is two, the two support frames are symmetrically distributed on the base, and the inner sides of the two support frames are in contact with the precast beam together.

Preferably, the tail end of the output shaft of the servo motor is fixedly connected with a bevel gear IV, and the bevel gear IV is meshed with the bevel gear III.

Preferably, the number of the truck cranes is two, and the two truck cranes are symmetrically distributed on the ground.

Compared with the prior art, the utility model has the following beneficial effects:

1. the structure of the positive and negative screw rods, the threaded sleeves, the support frame and the like is additionally arranged inside the base, so that the two threaded sleeves can be driven to move relatively through the threaded fit between the positive and negative screw rods and the threaded sleeves during clamping, the support frame can be driven by the threaded sleeves to fix the precast beam inside, and the precast beam can be prevented from falling off in the moving process.

2. According to the utility model, the threaded cylinder, the threaded plate, the connecting ring and other structures are additionally arranged in the connecting box, so that when fine adjustment is required, the connecting ring can be driven to move through the threaded matching between the threaded cylinder and the threaded plate, and the fine adjustment of the position of the precast beam is more convenient.

Drawings

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

FIG. 2 is a partial cross-sectional structural view of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is a structural sectional view of the part B of fig. 2 according to the present invention.

In the figure: 1. a base; 2. a first bearing; 3. a positive and negative screw; 4. a threaded sleeve; 5. a support frame; 6. prefabricating a beam; 7. a first bevel gear; 8. a positive and negative rotation motor; 9. a second bevel gear; 10. connecting blocks; 11. a connecting box; 12. a second bearing; 13. a connecting shaft; 14. a threaded barrel; 15. a thread plate; 16. a support bar; 17. a connecting ring; 18. a wire rope; 19. a limiting rod; 20. a limiting plate; 21. a third bevel gear; 22. a servo motor; 23. a fourth bevel gear; 24. a truck crane; 241. a boom.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the double-crane lifting and hoisting device comprises a base 1 and a truck crane 24 located on the ground, wherein two bearings one 2 are fixedly sleeved inside the base 1, a forward and reverse screw rod 3 is fixedly sleeved inside the two bearings one 2 together, two threaded sleeves 4 which are symmetrically distributed are connected outside the forward and reverse screw rod 3 through threads, a support frame 5 is slidably connected to the upper end of the base 1, a bevel gear one 7 is fixedly connected to the outside of the forward and reverse screw rod 3, a forward and reverse motor 8 is fixedly connected inside the base 1, a bevel gear two 9 is fixedly connected to the tail end of an output shaft of the forward and reverse motor 8, the bevel gear two 9 is meshed with the bevel gear one 7, a connecting box 11 is fixedly connected to the upper end of the base 1, a bearing two 12 is fixedly sleeved inside the lower end of the connecting box 11, a connecting shaft 13 is fixedly sleeved inside the bearing two 12, and a threaded cylinder 14 is rotatably connected inside the connecting box 11, the threaded cylinder 14 is internally connected with a threaded plate 15 through threads, the upper end of the threaded plate 15 is fixedly connected with a supporting rod 16, the upper end of the supporting rod 16 is fixedly connected with a connecting ring 17, the upper end of the connecting ring 17 is fixedly connected with a steel wire rope 18, the inside of a connecting box 11 is fixedly connected with a limiting plate 20, the outer side of the connecting shaft 13 is fixedly connected with a bevel gear III 21, the inside of the connecting box 11 is fixedly connected with a servo motor 22, a hanging rod 241 is arranged on a truck crane 24, the steel wire rope 18 is arranged on the hanging rod 241, the steel wire rope 18 is connected with a winding device on the truck crane 24, the steel wire rope 18 can be released or wound, and the threaded cylinder belongs to the prior art.

Referring to fig. 1, the outer side of the threaded sleeve 4 is fixedly connected with a connecting block 10, the connecting block 10 is fixedly connected with the support frame 5, the connecting block 10 is slidably connected with the base 1, and the connecting block 10 can limit the threaded sleeve 4.

Referring to fig. 3, a limiting rod 19 is fixedly connected to the upper end of the threaded plate 15, the limiting rod 19 is slidably connected to the limiting plate 20, the limiting rod 19 is fixedly connected to the connecting ring 17, and the limiting rod 19 can limit the threaded plate 15.

Referring to fig. 3, the threaded cylinder 14 is fixedly connected to the connecting shaft 13, the support rod 16 is slidably connected to the limiting plate 20, and the connecting shaft 13 can limit the threaded cylinder 14.

Referring to fig. 1, the number of the support frames 5 is two, the two support frames 5 are symmetrically distributed on the base 1, the inner sides of the two support frames 5 are in contact with the precast beam 6, and the support frames 5 support the precast beam 6.

Referring to fig. 3, a bevel gear four 23 is fixedly connected to a tail end of an output shaft of the servo motor 22, the bevel gear four 23 is meshed with a bevel gear three 21, and the type of the servo motor 22 is 80ST-M01330LB, which belongs to the prior art.

Referring to fig. 1, the number of the truck cranes 24 is two, and the two truck cranes 24 are symmetrically distributed on the ground. By using two truck cranes 24, the hoisting of the precast beam 6 can be facilitated.

The specific implementation process of the utility model is as follows: when the prefabricated beam hoisting device is used, two truck cranes 24 respectively enter two ends of a broken bridge, then a steel wire rope 18 is fixed on the outer side of a connecting ring 17, after the prefabricated beam 6 is fixed, the prefabricated beam is placed at the upper end of a support frame 5, after the prefabricated beam is placed, a forward and reverse rotating motor 8 is started, the forward and reverse rotating motor 8 drives a bevel gear II 9 to rotate, the bevel gear II 9 drives a forward and reverse screw rod 3 to rotate through a bevel gear I7, the forward and reverse screw rod 3 is in threaded fit with a threaded sleeve 4 to drive two threaded sleeves 4 to move relatively, the threaded sleeve 4 drives the support frame 5 to move through a connecting block 10, so that the prefabricated beam 6 can be clamped at the inner sides of the two support frames 5, after the prefabricated beam 6 is fixed, the base 1 can be hoisted through the truck cranes 24, after the prefabricated beam is hoisted to a preset position, the servo motor 22 is started, the servo motor 22 drives a bevel gear III 21 to rotate through a bevel gear IV 23, bevel gear three 21 drives screw thread section of thick bamboo 14 through connecting axle 13 and rotates, screw thread section of thick bamboo 14 through with the screw thread cooperation between the thread plate 15, drive bracing piece 16 and remove, bracing piece 16 can drive base 1 at the in-process that removes and remove to can finely tune the position of precast beam 6, make the installation more convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Duplex machine is lifted and is hung hoist device, including base (1) and be located subaerial truck crane (24), its characterized in that: the inner part of the base (1) is fixedly sleeved with two bearings I (2) which are symmetrically distributed, the inner parts of the two bearings I (2) are fixedly sleeved with a forward and reverse screw rod (3) together, the outer sides of the forward and reverse screw rods (3) are connected with two thread sleeves (4) which are symmetrically distributed through threads, the upper end of the base (1) is connected with a support frame (5) in a sliding manner, the outer sides of the forward and reverse screw rods (3) are fixedly connected with a bevel gear I (7), the inner part of the base (1) is fixedly connected with a forward and reverse motor (8), the tail end of an output shaft of the forward and reverse motor (8) is fixedly connected with a bevel gear II (9), the bevel gear II (9) is meshed with the bevel gear I (7), the upper end of the base (1) is fixedly connected with a connecting box (11), and the inner part of the lower end of the connecting box (11) is fixedly sleeved with a bearing II (12), the fixed connecting axle (13) that has cup jointed in inside of bearing two (12), the inside of connecting box (11) is rotated and is connected with a screw thread section of thick bamboo (14), there is screw thread board (15) inside of screw thread section of thick bamboo (14) through threaded connection, the upper end fixedly connected with bracing piece (16) of screw thread board (15), the upper end fixedly connected with go-between (17) of bracing piece (16), the upper end fixedly connected with wire rope (18) of go-between (17), the inside fixedly connected with limiting plate (20) of connecting box (11), the outside fixedly connected with bevel gear three (21) of connecting axle (13), the inside fixedly connected with servo motor (22) of connecting box (11), be equipped with jib (241) on autocrane (24), be equipped with wire rope (18) on jib (241).

2. The double-crane lifting and hoisting device according to claim 1, wherein: the outer side of the threaded sleeve (4) is fixedly connected with a connecting block (10), the connecting block (10) is fixedly connected with the supporting frame (5), and the connecting block (10) is connected with the base (1) in a sliding mode.

3. The double-crane lifting and hoisting device according to claim 1, wherein: the upper end fixedly connected with gag lever post (19) of screw plate (15), gag lever post (19) with limiting plate (20) sliding connection, gag lever post (19) with go-between (17) fixed connection.

4. The double-crane lifting and hoisting device according to claim 1, wherein: the threaded cylinder (14) is fixedly connected with the connecting shaft (13), and the supporting rod (16) is in sliding connection with the limiting plate (20).

5. The double-crane lifting and hoisting device according to claim 1, wherein: the quantity of support frame (5) is two, two support frame (5) are in symmetric distribution on base (1), two the inboard common contact of support frame (5) has precast beam (6).

6. The double-crane lifting and hoisting device according to claim 1, wherein: the tail end of an output shaft of the servo motor (22) is fixedly connected with a bevel gear four (23), and the bevel gear four (23) is meshed with the bevel gear three (21).

7. The double-crane lifting and hoisting device according to claim 1, wherein: the number of the truck cranes (24) is two, and the two truck cranes (24) are symmetrically distributed on the ground.