CN219429547U

CN219429547U - Portal crane for iron tower construction

Info

Publication number: CN219429547U
Application number: CN202320708453.4U
Authority: CN
Inventors: 丁冬; 许庆斌; 张盼盼; 王遵; 王岳; 付情情; 吴全明; 苏伟; 张胜男; 朱丽丽; 赵学君; 习荣玲; 王青华; 郝华胜; 田志海
Original assignee: Dezhou Guangxin Iron Tower Manufacturing Co ltd
Current assignee: Dezhou Guangxin Iron Tower Manufacturing Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-28
Anticipated expiration: 2033-04-03

Abstract

The utility model belongs to the technical field of hoisting equipment, and discloses a gantry crane for iron tower construction, which comprises a bearing girder, wherein a movable lifting hook is movably arranged in the middle of the outer side of the bearing girder, the left end and the right end of the bottom of the bearing girder are fixedly connected with struts, the bottom of each strut is fixedly connected with a connecting block, and a connecting shell is movably sleeved outside the connecting block. According to the utility model, the bidirectional threaded rod, the movable blocks, the movable columns, the round holes and the bolts are arranged, when the bolts rotate and are separated from the inside of the round holes, the fixing effect on the connecting blocks is relieved, at the moment, the bidirectional threaded rod rotates due to the operation of the driving motor, the two movable blocks can move back to back through the cooperation between the bidirectional threaded rod and the movable blocks, so that the support columns can move downwards through the movable columns, the height of the bearing main beam is reduced, and an operator can conveniently transport the bearing main beam to an iron building site.

Description

Portal crane for iron tower construction

Technical Field

The utility model belongs to the technical field of hoisting equipment, and particularly relates to a gantry crane for iron tower construction.

Background

The gantry crane is mainly used for loading and unloading operations of indoor or outdoor goods yards, stock yards and bulk cargos, has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, is widely used in port goods yards, can be used in the construction process of an iron tower, and can be provided with two supporting legs below a bearing girder in the actual use process of the gantry crane in the prior art, so that the bearing girder is supported, and the two supporting legs of the gantry crane are designed in an integrally fixed mode in general, so that the gantry crane cannot be longitudinally adjusted, the height of a bearing main girder cannot be changed, and the gantry crane with the too high height is inconvenient for operators to transport the gantry crane to an iron construction site and brings danger to the transportation operation easily, so that the gantry crane needs to be improved.

Disclosure of Invention

The utility model aims to solve the problems, and provides the gantry crane for iron tower construction, which has the advantages of reduced height and convenience in transportation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portal crane for iron tower construction, includes bears the girder, the mid-mounting in the girder outside has movable lifting hook, the equal fixedly connected with pillar of left end and right-hand member in girder bottom is born, the bottom fixedly connected with connecting block of pillar, the outside activity of connecting block has cup jointed the junction housing, the bottom fixedly connected with supporting beam of junction housing, the equal movable mounting of front and back end of supporting beam bottom has the gyro wheel, the front fixed mounting of supporting beam has driving motor, driving motor's output shaft has two-way threaded rod, the other end of two-way threaded rod extends to the inside of supporting beam, the outside movable block has all been cup jointed to the outside of two-way threaded rod, the outside fixed installation piece that is located the junction housing top that has cup jointed of pillar, the inside of installation piece front and back end has all been articulated the movable column, the other end of movable column is articulated with the top of movable block, the quantity of junction housing is two the round hole has all been seted up to one side that the junction housing is relative, the inside screw thread of bolt has cup jointed the bolt.

As the preferable mode of the utility model, the bottom of the supporting beam is fixedly connected with a mounting shell, the left side and the right side of the middle part of the top end of the mounting shell are respectively provided with a notch, and the left side and the right side of the middle part of the inner cavity of the mounting shell are respectively movably sleeved with a moving block.

As the preferable mode of the utility model, the top of the moving block is fixedly connected with a pull block, the other end of the pull block penetrates through the notch, and the magnet is fixedly sleeved in the moving block.

As the preferable mode of the utility model, one side of the moving block, which is opposite to the other side, is fixedly connected with a connecting column, and the other end of the connecting column penetrates through the mounting shell and is fixedly connected with a friction block.

As the preferable mode of the utility model, the middle part of the bottom end of the installation shell is fixedly connected with a square block, the top of the outer side of the square block is movably sleeved with a moving block, and the top of the moving block is movably connected with the bottom of the installation shell.

As the preferable mode of the utility model, the left end and the right end of the top of the moving block are fixedly connected with iron blocks, the other ends of the iron blocks extend into the moving block, and the top of the iron blocks is movably connected with the bottom of the magnet.

As the preferable mode of the utility model, the number of the moving blocks is four, two moving blocks are a group, and rigid springs are fixedly connected between each group of moving blocks.

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

1. according to the utility model, the bidirectional threaded rod, the movable blocks, the movable columns, the round holes and the bolts are arranged, when the bolts rotate and are separated from the inside of the round holes, the fixing effect on the connecting blocks is relieved, at the moment, the bidirectional threaded rod rotates due to the operation of the driving motor, the two movable blocks can move back to back through the cooperation between the bidirectional threaded rod and the movable blocks, so that the support columns can move downwards through the movable columns, the height of the bearing main beam is reduced, and an operator can conveniently transport the bearing main beam to an iron building site.

2. According to the utility model, the moving blocks, the friction blocks, the magnets, the iron blocks and the rigid springs are arranged, the magnets can enable the iron blocks to be incapable of moving downwards through magnetic force, so that the two moving blocks can be fixed, an operator can move the gantry crane at the moment, after the moving blocks move downwards, the fixing effect on the moving blocks can be relieved, and the rigid springs are in a compressed state at the moment, so that the rigid springs can push the two moving blocks to enable the two friction blocks to squeeze the roller wheels, the roller wheels can not rotate through friction force, and the gantry crane is not easy to move when an iron tower is built.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the interior of the connection housing of the present utility model;

FIG. 4 is a schematic view of the mounting shell structure of the present utility model;

fig. 5 is a schematic view of a partial enlarged structure at a in fig. 2.

In the figure: 1. a load-bearing main beam; 2. a movable hook; 3. a support post; 4. a connecting block; 5. a connection housing; 6. a support beam; 7. a roller; 8. a driving motor; 9. a two-way threaded rod; 10. a movable block; 11. a mounting block; 12. a movable column; 13. a round hole; 14. a bolt; 15. a mounting shell; 16. a notch; 17. a motion block; 18. pulling blocks; 19. a connecting column; 20. a friction block; 21. a magnet; 22. a square block; 23. a moving block; 24. iron blocks; 25. a stiff spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the utility model provides a gantry crane for iron tower construction, which comprises a bearing girder 1, wherein a movable lifting hook 2 is movably installed in the middle of the outer side of the bearing girder 1, the left end and the right end of the bottom of the bearing girder 1 are fixedly connected with a support column 3, the bottom of the support column 3 is fixedly connected with a connecting block 4, the outer part of the connecting block 4 is movably sleeved with a connecting shell 5, the bottom of the connecting shell 5 is fixedly connected with a supporting beam 6, the front end and the rear end of the bottom of the supporting beam 6 are movably installed with idler wheels 7, the front surface of the supporting beam 6 is fixedly installed with a driving motor 8, the output shaft of the driving motor 8 is connected with a bidirectional threaded rod 9, the other end of the bidirectional threaded rod 9 extends to the inner part of the supporting beam 6, movable blocks 10 are sleeved on the left side and right side of the outer part of the bidirectional threaded rod 9, the outer part of the support column 3 is fixedly sleeved with a mounting block 11 positioned above the connecting shell 5, the inner part of the mounting block 11 is hinged with a movable column 12, the other end of the movable column 12 is hinged with the top of the movable block 10, the number of the connecting shells 5 is two, opposite sides of the two connecting shells 5 are respectively provided with a round hole 13, the inner threads of the connecting block 14 are sleeved with the inner round hole 13, and the inner part of the round hole 13 is fixedly sleeved with the movable connecting block 14.

When the driving motor 8 operates, the bidirectional threaded rod 9 is enabled to rotate, the two movable blocks 10 can be enabled to move back to back through the cooperation between the bidirectional threaded rod 9 and the movable blocks 10, the support column 3 is enabled to move downwards through the movable column 12, the height of the bearing main beam 1 is reduced, the bolts 14 can rotate, the bolts are separated from the inside of the connecting shell 5, and accordingly the bolts can enter the inside of the connecting shell 5 with different heights to support the support column 3.

Referring to fig. 1, 4 and 5, the bottom of the supporting beam 6 is fixedly connected with a mounting shell 15, the left and right sides of the middle part of the top end of the mounting shell 15 are provided with notches 16, and the left and right sides of the middle part of the inner cavity of the mounting shell 15 are movably sleeved with a moving block 17.

As a technical optimization scheme of the utility model, through the design of the moving blocks 17, the moving blocks 17 have the activity, and when the two moving blocks 17 move oppositely, the rollers 7 can not rotate, so that the whole bearing main beam 1 can not move.

Referring to fig. 5, a pull block 18 is fixedly connected to the top of the moving block 17, the other end of the pull block 18 penetrates through the notch 16, and a magnet 21 is fixedly sleeved inside the moving block 17.

As a technical optimization scheme of the utility model, through the design of the pull block 18, when an operator pulls the pull block 18, the moving block 17 can move, and the notch 16 can limit the pull block 18, so that the iron block 24 can conveniently fix the two moving blocks 17.

Referring to fig. 2 and 5, a connection post 19 is fixedly connected to the opposite side of the moving block 17, and the other end of the connection post 19 penetrates through the mounting case 15 and is fixedly connected to a friction block 20.

As a technical optimization scheme of the utility model, through the design of the friction blocks 20, after the two motion blocks 17 move oppositely, the friction blocks 20 move through the connecting columns 19, so that the roller 7 can be extruded, and the roller 7 cannot rotate under the action of friction force.

Referring to fig. 5, a square block 22 is fixedly connected to the middle of the bottom end of the installation shell 15, a moving block 23 is movably sleeved on the top of the outer side of the square block 22, and the top of the moving block 23 is movably connected with the bottom of the installation shell 15.

As a technical optimization scheme of the utility model, through the design of the square block 22, the limit effect can be achieved on the moving block 23, so that the moving block 23 can only move upwards or downwards, and the iron block 24 can conveniently enter the moving block 17.

Referring to fig. 5, the left and right ends of the top of the moving block 23 are fixedly connected with iron blocks 24, the other ends of the iron blocks 24 extend into the moving block 17, and the top of the iron blocks 24 is movably connected with the bottom of the magnet 21.

As a technical optimization scheme of the utility model, through the design of the iron blocks 24, the iron blocks 24 can fix the two moving blocks 17, and the magnet 21 can prevent the iron blocks 24 from moving downwards through magnetic force.

Referring to fig. 5, the number of the moving blocks 17 is four, two moving blocks 17 are a group, and a rigid spring 25 is fixedly connected between each group of moving blocks 17.

As a technical optimization scheme of the utility model, through the design of the rigid spring 25, the rigid spring 25 is in a compressed state at the moment, so that the rigid spring 25 pushes the two moving blocks 17, and the two friction blocks 20 can press the roller 7.

The working principle and the using flow of the utility model are as follows:

firstly, when an operator needs to transport the gantry crane to an iron building site, the bolt 14 can be rotated to separate from the inside of the round hole 13, the fixing effect on the connecting block 4 is relieved, then the operator can start the driving motor 8, the operation of the driving motor 8 can enable the bidirectional threaded rod 9 to rotate, the two movable blocks 10 can be enabled to move oppositely through the cooperation between the bidirectional threaded rod 9 and the movable blocks 10, the strut 3 can be enabled to move downwards through the cooperation between the movable blocks 10 and the movable columns 12, the height of the bearing girder 1 is reduced, and then the operator can rotate the bolt 14 to enable the bolt 14 to be clamped into the inside of the round hole 13 again to fix the connecting block 4.

Then, when the gantry crane is transported to the iron construction site to be used, the moving block 23 can be pulled downwards, so that the iron block 24 moves away from the inside of the moving block 17, at this time, the rigid spring 25 is in a compressed state, and due to the elastic restoring action of the rigid spring 25, the rigid spring 25 pushes the two moving blocks 17, so that the two moving blocks 17 move back to back, the two friction blocks 20 can squeeze the roller 7, the roller 7 cannot rotate due to friction force, and if an operator needs to move the gantry crane, the pulling block 18 can be pulled, so that the two moving blocks 17 move towards each other, then the moving block 23 is pushed upwards, so that the iron block 24 enters into the inside of the moving block 17 to fix the moving block 17, and at this time, the magnet 21 fixes the iron block 24 through magnetic force, so that the roller 7 can rotate.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a portal crane for iron tower construction, includes bears girder (1), its characterized in that: the utility model discloses a movable lifting hook, including main beam (1) and connecting block (5), support beam (6) are fixedly connected with, movable lifting hook (2) are movably installed in middle part in main beam (1) outside, the left end and the right-hand member that bear main beam (1) bottom are equal fixedly connected with pillar (3), the bottom fixedly connected with connecting block (4) of pillar (3), connecting shell (5) are cup jointed in the outside activity of connecting block (4), the bottom fixedly connected with supporting beam (6) of connecting shell (5), the equal movable mounting in front and back end of supporting beam (6) bottom has gyro wheel (7), the front fixed mounting of supporting beam (6) has driving motor (8), the output shaft of driving motor (8) has bi-directional threaded rod (9), the inside of supporting beam (6) is extended to the other end of bi-directional threaded rod (9), the outside all screw thread cup joints movable block (10) in the left and right sides of bi-directional threaded rod (9), the outside fixedly cup joints installation piece (11) that are located connecting shell (5) top, the inside of installation piece (11) front and back end all articulates movable column (12), the other end (12) has two screw bolts (14) are seted up for two inside (5) of connecting shell (5), the outer part of the bolt (14) is movably sleeved with the inner part of the round hole (13).

2. The gantry crane for iron tower construction according to claim 1, wherein: the bottom fixedly connected with installation shell (15) of supporting beam (6), notch (16) have all been seted up to the left and right sides at installation shell (15) top middle part, the left and right sides at installation shell (15) inner chamber middle part has all movably cup jointed motion piece (17).

3. The gantry crane for iron tower construction according to claim 2, wherein: the top fixedly connected with of motion piece (17) draws piece (18), draw the other end of piece (18) and run through notch (16), the inside fixed magnet (21) that has cup jointed of motion piece (17).

4. The gantry crane for iron tower construction according to claim 2, wherein: one side of the moving block (17) opposite to the other side is fixedly connected with a connecting column (19), and the other end of the connecting column (19) penetrates through the mounting shell (15) and is fixedly connected with a friction block (20).

5. The gantry crane for iron tower construction according to claim 2, wherein: the middle part fixedly connected with square (22) of installation shell (15) bottom, the top activity in square (22) outside has cup jointed movable block (23), the top and the bottom swing joint of installation shell (15) of movable block (23).

6. The gantry crane for iron tower construction according to claim 5, wherein: the left end and the right end of the top of the moving block (23) are fixedly connected with iron blocks (24), the other ends of the iron blocks (24) extend to the inside of the moving block (17), and the top of the iron blocks (24) is movably connected with the bottom of the magnet (21).

7. The gantry crane for iron tower construction according to claim 2, wherein: the number of the moving blocks (17) is four, two moving blocks (17) are in a group, and rigid springs (25) are fixedly connected between each group of the moving blocks (17).