CN218988567U

CN218988567U - Lifting hook device for hydraulic engineering tower crane

Info

Publication number: CN218988567U
Application number: CN202223497707.7U
Authority: CN
Inventors: 周凯华
Original assignee: Jiangxi Wolong Construction Co ltd
Current assignee: Jiangxi Wolong Construction Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-09
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a lifting hook device for a hydraulic engineering tower crane, which comprises a tower body and a lifting rod fixedly arranged on the surface of the tower body, wherein three rolling wheels are arranged at the top of the lifting rod, chains are fixedly arranged on the surfaces of the three rolling wheels, a driving assembly is arranged on the surface of the lifting rod, a limiting piece is arranged at the bottom of the driving assembly, a hook is arranged at the lower end of the chain through a rotating seat, a material to be lifted is placed in the hook, a swinging half screw rod is clamped and attached with a fixed half screw rod in a rotating manner, and a limiting ring is rotated to enable the limiting ring to fall at the joint of the swinging half screw rod and the fixed half screw rod and to be fixed on the swinging half screw rod; firstly, the driving assembly is utilized to drive the limiting frame to move so as to enable the chain to be received into the limiting frame, two synchronous electric push rods are started to drive the expansion plate to move and fit with the baffle, the chain is limited in the limiting frame, and then the driving assembly is started to drive the limiting piece to move, so that the hook is lifted to reduce the swing amplitude of the hook.

Description

Lifting hook device for hydraulic engineering tower crane

Technical Field

The utility model relates to the technical field of hydraulic engineering equipment, in particular to a lifting hook device for a hydraulic engineering tower crane.

Background

The hydraulic engineering is used for controlling and allocating surface water and underground water in nature, achieves the purpose of removing damage and benefiting, can use the crane to operate, and the crane can not lock up a single hook of a lifting hook of the crane in the use process, has the falling danger, meanwhile, the lifting hook at the front end of the crane can shake to a certain extent, and when the lifting hook shakes too much, collision can occur between the lifting hook and a building or the crane, so that serious potential safety hazards exist.

A lifting hook device (application number: 201921679291.6) for a hydraulic engineering tower crane is characterized in that a lifting frame is fixedly arranged above an operating room, a lifting rod is fixedly arranged at the top of the lifting frame, a bearing block is fixedly arranged at the left side of the lifting rod, a hanging basket is fixedly arranged at the tail end of the lifting frame, a lifting rope is movably arranged on the lifting rod, the front lower end of the lifting frame is movably connected with a lifting rope, a lifting hook, a fixed block and a fixed seat, a return spring is movably arranged in the fixed seat, a fixed groove is fixedly arranged on the right side of the return spring, a support column is fixedly arranged on the right side of the fixed groove, and a through hole is formed in the right side of the support column.

The lifting hook of the lifting tower can not be locked when the lifting hook is used for singly hooking a heavy object, meanwhile, the lifting hook at the front end of the lifting tower can shake to a certain extent, and collision between the lifting hook and a building or the lifting tower can be caused when the shaking amplitude of the lifting hook is too large, so that the lifting hook device for the hydraulic engineering tower crane is needed.

Disclosure of Invention

The utility model aims to provide a lifting hook device for a hydraulic engineering tower crane, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting hook device for the hydraulic engineering tower crane comprises a tower body and a lifting rod fixedly arranged on the surface of the tower body, wherein three roller wheels are arranged at the top of the lifting rod, chains are fixedly arranged on the surfaces of the three roller wheels, a driving assembly is arranged on the surface of the lifting rod, a limiting piece is arranged at the bottom of the driving assembly, a hook is arranged at the lower end of the chain through a rotating seat, a swinging half screw rod is hinged to the top of the inner wall of the hook, a limiting ring is arranged on the surface thread of the swinging half screw rod, a fixed half screw rod is integrally processed at the top of the hook, and the bottom of the swinging half screw rod is clamped with the top of the fixed half screw rod;

the driving assembly is used for horizontally moving the limiting piece;

the limiting piece is used for firmly sleeving the chain, limiting the chain and avoiding random swinging.

Preferably, the drive assembly is including seting up the rectangle groove on jack-up pole surface, rotate between the both sides in rectangle groove and install the threaded rod, one end of threaded rod runs through one side in rectangle groove and fixed mounting has driving motor, just driving motor is embedded the top of jack-up pole, the surface screw thread of threaded rod installs the sliding seat, the bottom of sliding seat with the top fixed mounting of locating part.

Preferably, the sliding seat further comprises a balance rod, the surface of the balance rod is slidably arranged in the sliding seat, and two ends of the balance rod are fixedly arranged on two sides of the inner wall of the rectangular groove respectively.

Preferably, the limiting piece comprises a limiting frame fixedly installed at the bottom of the sliding seat, the front surface and the back surface of the limiting frame are embedded with electric push rods, and two adjacent ends of the electric push rods penetrate through the inner wall of the limiting frame and are fixedly provided with expansion plates.

Preferably, the baffle plates are uniformly machined on one adjacent side of the two expansion plates, and the two baffle plates are distributed in a staggered manner.

Preferably, two electric putter sets up to synchronous push rod, just electric putter's extension end flushes with one side of expansion plate mutually, and when two electric putter shrink, the expansion plate can not block the chain.

Preferably, the lower end of the chain is connected with the top of the hook through a rotating seat, and the outer surface of the limiting ring is integrally processed with a rubber part.

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

1. according to the utility model, a material to be lifted is placed into a hook, the swinging half screw rod is clamped and attached with the fixed half screw rod in a rotating way, and the limiting ring is rotated, so that the limiting ring falls down to be positioned at the joint of the swinging half screw rod and the fixed half screw rod, and the swinging half screw rod is fixed.

2. According to the utility model, the driving assembly is used for driving the limiting frame to move so as to enable the chain to be retracted into the limiting frame, the two synchronous electric push rods are started to drive the telescopic plates to move and attach with the baffle plates, the chain is limited in the limiting frame, and then the driving assembly is started to drive the limiting piece to move, so that the hook is lifted to reduce the swing amplitude of the hook.

Drawings

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

FIG. 2 is a schematic perspective view of a hanger of the present utility model;

fig. 3 is a schematic perspective view of a limiting member according to the present utility model.

In the figure: 1. a tower body; 2. a lifting rod; 3. a roller chain wheel; 4. a chain; 5. a drive assembly; 51. rectangular grooves; 52. a threaded rod; 53. a driving motor; 54. a sliding seat; 6. a limiting piece; 61. a limit frame; 62. an electric push rod; 63. a telescoping plate; 7. a hook; 8. swinging a half screw; 9. a limiting ring; 10. fixing a half screw; 11. a rotating seat; 12. a balance bar; 13. and a baffle.

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.

Referring to fig. 1-3, the present utility model provides a technical solution: the lifting hook device for the hydraulic engineering tower crane comprises a tower body 1 and a lifting rod 2 fixedly arranged on the surface of the tower body 1, wherein three chain rollers 3 are arranged at the top of the lifting rod 2, chains 4 are fixedly arranged on the surfaces of the three chain rollers 3, a driving assembly 5 is arranged on the surface of the lifting rod 2, a limiting piece 6 is arranged at the bottom of the driving assembly 5, a hook 7 is arranged at the lower end of the chain 4 through a rotating seat 11, a swinging half screw rod 8 is hinged to the top of the inner wall of the hook 7, a limiting ring 9 is arranged on the surface thread of the swinging half screw rod 8, a fixed half screw rod 10 is integrally machined at the top of the hook 7, and the bottom of the swinging half screw rod 8 is clamped with the top of the fixed half screw rod 10;

the driving assembly 5 is used for horizontally moving the limiting piece 6;

the limiting piece 6 is used for firmly sleeving the chain 4, limiting the chain 4 and avoiding random swinging.

The drive assembly 5 includes a rectangular groove 51 formed in the surface of the lifting rod 2, a threaded rod 52 is rotatably mounted between two sides of the rectangular groove 51, one end of the threaded rod 52 penetrates through one side of the rectangular groove 51 and is fixedly provided with a drive motor 53, the drive motor 53 is embedded in the top of the lifting rod 2, a sliding seat 54 is mounted on the surface of the threaded rod 52 in a threaded manner, the bottom of the sliding seat 54 is fixedly mounted on the top of the limiting piece 6, in the embodiment, the drive motor is started to drive the threaded rod 52 to rotate, and the sliding seat 54 on the surface of the drive motor is driven to horizontally move in the rectangular groove 51 for adjustment, so that the limiting piece 6 horizontally moves.

The balance rod 12 is further included, the surface of the balance rod 12 and the inside of the sliding seat 54 are slidably mounted, and two ends of the balance rod 12 are fixedly mounted on two sides of the inner wall of the rectangular groove 51 respectively, in this embodiment, the sliding seat 54 moves on the surface of the balance rod 12, so that the purpose of enhancing stability of the sliding seat 54 is achieved.

The limiting piece 6 comprises a limiting frame 61 fixedly installed at the bottom of the sliding seat 54, the front and the back of the limiting frame 61 are embedded with electric push rods 62, one ends adjacent to the two electric push rods 62 penetrate through the inner wall of the limiting frame 61 and are fixedly provided with telescopic plates 63, and it is to be noted that the driving assembly 5 is used for driving the limiting frame 61 to move so as to enable the chain 4 to be received into the limiting frame 61, and the two synchronous electric push rods 62 are started to drive the telescopic plates 63 to move and fit with the baffle 13, so that the chain 4 is limited in the limiting frame 61.

The baffle 13 is integrally machined on one side of the two telescopic plates 63 adjacent to each other, and the two baffles 13 are distributed in a staggered mode, and it is to be noted that the two baffles 13 are distributed in a staggered mode, and when the two baffles are close to each other, the two baffles 13 are attached to each other, so that good sealing is achieved.

Two electric putter 62 set up to synchronous push rod, and electric putter 62 extend the end and one side of expansion plate 63 flushes mutually, and when two electric putter 62 shrink, expansion plate 63 can not block main chain 4, through setting up two electric putter 62 and set up to synchronous push rod, and electric putter 62 extend the end and flush with one side of expansion plate 63 mutually, and then when two electric putter 62 shrink, expansion plate 63 can not block chain 4.

The lower extreme of chain 4 is connected through rotating seat 11 with the top of couple 7, and the surface integrated processing of spacing ring 9 has rubber portion, in this embodiment, is connected through rotating seat 11 with the top of couple 7 through the lower extreme that sets up chain 4, can realize the rotation to couple 7, and the surface integrated processing of spacing ring 9 has rubber portion simultaneously, uses spacing ring 9 to have the purpose of reinforcing frictional force.

The device is characterized in that a material to be lifted is placed into a hook 7, a rotary swing half screw rod 8 is clamped and attached with a fixed half screw rod 10, a limiting ring 9 is rotated, the limiting ring 9 falls down to be positioned at the joint of the swing half screw rod 8 and the fixed half screw rod 10, and the swing half screw rod 8 is fixed;

firstly, the driving component 5 is utilized to drive the limiting frame 61 to move so as to enable the chain 4 to be received into the limiting frame 61, two synchronous electric push rods 62 are started to drive the telescopic plates 63 to move and fit with the baffle 13, the chain 4 is limited in the limiting frame 61, and then the driving component 5 is started to drive the limiting piece 6 to move, so that the hook 7 is lifted to reduce the swing amplitude of the hook 7.

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 lifting hook device that hydraulic engineering tower crane was used, includes tower body (1) with tower body (1) fixed surface's lifter (2), its characterized in that: the lifting device is characterized in that three roller wheels (3) are arranged at the top of the lifting rod (2), chains (4) are fixedly arranged on the surfaces of the roller wheels (3), a driving assembly (5) is arranged on the surface of the lifting rod (2), a limiting piece (6) is arranged at the bottom of the driving assembly (5), a hook (7) is arranged at the lower end of the chain (4) through a rotating seat (11), a swinging half screw rod (8) is hinged to the top of the inner wall of the hook (7), a limiting ring (9) is arranged on the surface threads of the swinging half screw rod (8), a fixed half screw rod (10) is integrally machined at the top of the hook (7), and the bottom of the swinging half screw rod (8) is clamped with the top of the fixed half screw rod (10);

the driving assembly (5) is used for horizontally moving the limiting piece (6);

the limiting piece (6) is used for sleeving and firmly fixing the chain (4), limiting the chain (4) and avoiding random swinging.

2. The hook assembly for a hydraulic engineering tower crane according to claim 1, wherein: the driving assembly (5) comprises a rectangular groove (51) formed in the surface of the lifting rod (2), a threaded rod (52) is rotatably mounted between two sides of the rectangular groove (51), one end of the threaded rod (52) penetrates through one side of the rectangular groove (51) and is fixedly provided with a driving motor (53), the driving motor (53) is embedded in the top of the lifting rod (2), a sliding seat (54) is mounted on the surface thread of the threaded rod (52), and the bottom of the sliding seat (54) is fixedly mounted on the top of the limiting piece (6).

3. The hook assembly for a hydraulic engineering tower crane according to claim 2, wherein: the sliding seat is characterized by further comprising a balance rod (12), wherein the surface of the balance rod (12) is slidably arranged in the sliding seat (54), and two ends of the balance rod (12) are fixedly arranged on two sides of the inner wall of the rectangular groove (51) respectively.

4. A hook assembly for a hydraulic engineering tower crane according to claim 3, wherein: the limiting piece (6) comprises a limiting frame (61) fixedly installed at the bottom of the sliding seat (54), electric push rods (62) are embedded in the front face and the back face of the limiting frame (61), and two adjacent ends of the electric push rods (62) penetrate through the inner wall of the limiting frame (61) and are fixedly installed with telescopic plates (63).

5. The hook assembly for a hydraulic engineering tower crane according to claim 4, wherein: baffle plates (13) are integrally machined on one adjacent side of the two telescopic plates (63), and the two baffle plates (13) are distributed in a staggered mode.

6. The hook assembly for a hydraulic engineering tower crane according to claim 4, wherein: two electric putter (62) set up to synchronous push rod, just electric putter (62) extend end and one side of expansion plate (63) flushes mutually, and when two electric putter (62) shrink, expansion plate (63) can not block chain (4).

7. The hook assembly for a hydraulic engineering tower crane according to claim 1, wherein: the lower end of the chain (4) is connected with the top of the hook (7) through a rotating seat (11), and the outer surface of the limiting ring (9) is integrally processed with a rubber part.