CN213865135U

CN213865135U - Truss hoisting device

Info

Publication number: CN213865135U
Application number: CN202022567147.2U
Authority: CN
Inventors: 钟建华; 刘虹; 陆文杰; 李国园
Original assignee: China Construction Fourth Bureau Installation Engineering Co Ltd
Current assignee: China Construction Fourth Bureau Installation Engineering Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-03
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a truss hoisting device, which comprises a base, wherein the top of one end of the base is obliquely connected with a gantry support frame, the top end of the gantry support frame is symmetrically connected with an extension rod, the end part of the extension rod is connected with a hanging beam, the two ends of the bottom of the hanging beam are connected with auxiliary support rods, the auxiliary support rods are connected with the top of the gantry support frame, a fixed pulley and a guide pulley are respectively and symmetrically arranged on the hanging beam and the gantry support frame, a triangular hanging frame is arranged below the hanging beam, movable pulleys are respectively arranged at the two ends of the top of the triangular hanging frame, the utility model forms a three-point fixed structure by arranging an inverted triangular hanging frame and arranging a main hanging hook and an auxiliary hanging hook at the bottom of the triangular hanging frame, prevents the truss from inclining or falling, is safe and reliable, and the hanging is more balanced and stable by forming two hanging mechanisms at the top end of the triangular hanging frame, the hoisting device is not easy to shake, the load of the winch and the steel wire rope is reduced, and the hoisting capacity of the hoisting device is improved.

Description

Truss hoisting device

Technical Field

The utility model relates to a lifting device technical field specifically is a truss hoist device.

Background

The truss is a structure formed by connecting rod pieces at two ends by hinges, the truss is a plane or space structure generally provided with triangular units and composed of straight rods, the truss rod pieces mainly bear axial tension or pressure, so that the strength of materials can be fully utilized, the material can be saved compared with a real web girder when the span is large, the self-weight is reduced, the rigidity is increased, the design, the manufacture and the installation of the truss are very simple and convenient, the span range is large, the truss is an important material in the building at present, when the truss is built, the truss needs to be hoisted by using a hoisting device, the existing hoisting device is generally hoisted and hoisted by a single hoisting mechanism after two lifting hooks hook two ends of the truss, in the process of hoisting the truss, because the two ends of the truss are only hooked and fixed, and under the influence of self gravity, the middle part of the truss can be deformed and not firm enough, if the lifting hook of one end goes wrong, will lead to the truss slope or take place to drop, there is the potential safety hazard, and single hoisting mechanism takes place to rock easily at the in-process that hoists in addition, has also increased hoist engine and wire rope's load for hoisting device hoists weight has received the restriction, consequently, needs design a truss hoisting device, in order to solve current problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, the utility model provides a truss hoist device, through the triangle gallows of setting up the inversion, traditional hoist device's lifting hook structure has been changed, the support of lifting hook and the scope of covering have been increased, make to lift more stable safety, through the setting of main lifting hook and supplementary lifting hook, three point fixing's structure has been formed, and is stable and reliable, deformation has effectively been avoided the truss middle part to take place, prevent to lift in-process truss from taking place to incline or drop, and is safe and reliable, through forming two lifting mechanisms on triangle gallows top, make to lift more balanced stable, at the in-process that lifts, be difficult for taking place to rock, the load of hoist engine and wire rope has also been reduced, hoisting device's lifting capacity has been improved, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a truss hoisting device comprises a base, wherein a gantry support frame is obliquely connected to the top of one end of the base, extension rods are symmetrically connected to the top end of the gantry support frame, the end part of each extension rod is connected with a hanging beam, auxiliary support rods are connected to the two ends of the bottom of the hanging beam, the auxiliary support rods are connected to the top of the gantry support frame, a fixed pulley and a guide pulley are symmetrically mounted on each of the hanging beam and the gantry support frame respectively, a triangular hanging frame is arranged below the hanging beam, movable pulleys are mounted at the two ends of the top of the triangular hanging frame, a main lifting hook is hinged to the bottom end of the triangular hanging frame, auxiliary lifting hooks are symmetrically connected to the two sides of the bottom of the triangular hanging frame through chain chains, a fixed frame is connected to the top of the other end of the base, auxiliary pull rods are symmetrically connected to the top end of the fixed frame, a winch is mounted at the top of the base, and a winding drum of the winch sequentially passes through the guide pulley, the fixed pulley and the movable pulley through a steel wire rope to be wound and connected.

Furthermore, four corners of the base are respectively provided with installation through holes.

Furthermore, a reinforcing rod is connected between the gantry support frames.

Furthermore, the triangular hanging bracket is of an inverted regular triangle structure, the top end of the triangular hanging bracket is symmetrically connected with a fixed seat, the movable pulley is rotatably connected in the fixed seat, and the axial direction of the movable pulley is consistent with the side length direction of the triangular hanging bracket.

Furthermore, the two sides of the bottom of the triangular hanging bracket are symmetrically provided with fixing lugs, and the fixing lugs are connected with the auxiliary lifting hook through a chain.

Furthermore, a triangular supporting structure is formed among the gantry supporting frame, the extension rod, the auxiliary supporting rod and the hanging beam, and the hanging beam is arranged at the top of the gantry supporting frame in parallel.

Furthermore, the top of the base is hinged with the gantry support frame through a support, and two ends of the auxiliary pull rod are respectively hinged with the top of the gantry support frame and the top of the fixing frame.

Furthermore, a quadrilateral supporting structure is formed among the base, the gantry supporting frame, the auxiliary pull rod and the fixing frame.

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

1. the utility model discloses a set up the triangle gallows of inversion, changed the lifting hook structure of traditional hoist device, increased the support of lifting hook and the scope of coverage, make the lifting more stable safety, through be provided with main lifting hook and auxiliary lifting hook respectively in triangle gallows bottom and bottom both sides, can hook the truss middle part with main lifting hook, auxiliary lifting hook hooks the truss both ends, formed the structure of three point fixation, it is reliable and stable, effectively avoided the truss middle part to take place deformation, prevent that the truss from inclining or dropping in the lifting process, safe and reliable;

2. the two movable pulleys are arranged at the top end of the triangular hanging bracket, and then the steel wire rope is wound on the winch through the movable pulleys, the fixed pulleys and the guide pulley in sequence to form two hoisting mechanisms, so that the hoisting is more balanced and stable, the steel wire rope is not easy to shake in the hoisting process, the loads of the winch and the steel wire rope are reduced, and the hoisting capacity of the hoisting device is improved;

3. a quadrilateral supporting structure is formed among the base, the gantry supporting frame, the auxiliary pull rod and the fixing frame, the auxiliary pull rod can increase the supporting capacity of the gantry supporting frame, the support is firmer and more stable, and the bearing and supporting performance of the hoisting device is improved.

Drawings

The accompanying drawings 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 invention and not to limit the invention.

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the triangular hanger of the present invention;

fig. 3 is a schematic view of the overall side structure of the present invention;

fig. 4 is a schematic top view of the suspension beam of the present invention;

reference numbers in the figures: 1. a base; 2. a gantry support frame; 3. an extension rod; 4. a hanging beam; 5. an auxiliary support bar; 6. a fixed pulley; 7. a guide pulley; 8. a triangular hanging bracket; 9. a movable pulley; 10. a main hook; 11. an auxiliary hook; 12. a fixed mount; 13. an auxiliary pull rod; 14. a winch; 15. mounting a through hole; 16. a reinforcing rod; 17. a fixed seat; 18. and fixing the ears.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some embodiments, but not all embodiments, and that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive.

The first embodiment is as follows:

as shown in fig. 1-4, the utility model provides a technical solution: a truss hoisting device comprises a base 1, wherein a gantry support frame 2 is obliquely connected to the top of one end of the base 1 and used for supporting and bearing the weight of a truss to be hoisted, extension rods 3 are symmetrically connected to the top end of the gantry support frame 2, the end part of each extension rod 3 is connected with a hoisting beam 4, auxiliary support rods 5 are connected to the two ends of the bottom of each hoisting beam 4, the auxiliary support rods 5 are connected to the top of the gantry support frame 2 and can form a stable support structure for the hoisting beams 4, fixed pulleys 6 and guide pulleys 7 are symmetrically installed on the hoisting beams 4 and the gantry support frame 2 respectively and used for guiding the winding of a steel wire rope on a hoisting machine 14, a triangular hanger 8 is arranged below each hoisting beam 4, movable pulleys 9 are installed at the two ends of the top of the triangular hanger 8 and used for guiding the hoisting of the triangular hanger 8, a main hoisting hook 10 is hinged to the bottom end of the triangular hanger 8, and auxiliary hoisting hooks 11 are symmetrically connected to the two sides of the bottom of the triangular hanger 8 through chain, can hook the truss middle part with main lifting hook 10, auxiliary lifting hook 11 hooks the truss both ends, has formed three fixed point's structure, and is reliable and stable, 1 other end top of base is connected with

mount

12, 12 top symmetric connections have auxiliary pull rod 13 of mount, auxiliary pull rod 13 is connected on 2 tops of portal frame, and auxiliary pull rod 13 can increase the support ability of portal frame 2 for it is more firm stable to support, hoist engine 14 is installed at 1 top of base, hoist engine 14's reel passes guide pulley 7, fixed pulley 6 and movable pulley 9 winding connection in proper order through wire rope, through hoist engine 14 rolling wire rope for triangle gallows 8 upwards promotes, has realized the lift.

In this embodiment, four corners of the base 1 are respectively provided with a mounting through hole 15 for facilitating mounting and fixing, and a reinforcing rod 16 is connected between the gantry support frames 2, so that the gantry support frames 2 are more stable and reliable in structure.

In this embodiment, as shown in fig. 2, the triangular hanger 8 is set to be an inverted regular triangle structure, the top end of the triangular hanger 8 is symmetrically connected with a fixed seat 17, the movable pulley 9 is rotatably connected in the fixed seat 17, and the axial direction of the movable pulley 9 is consistent with the side length direction of the triangular hanger 8, so as to fix the movable pulley 9 for installation, and the movable pulley 9 is driven by a steel wire rope to rotate, so that the triangular hanger 8 can be stably lifted.

In this embodiment, as shown in fig. 2, fixing lugs 18 are symmetrically arranged on two sides of the bottom of the triangular hanging bracket 8, and the fixing lugs 18 are connected with the auxiliary lifting hook 11 through a chain, so that the auxiliary lifting hook 11 is firmly connected to the triangular hanging bracket 8, and the auxiliary lifting hook 11 hooks two ends of the truss.

In this embodiment, a triangular supporting structure is formed among the gantry supporting frame 2, the extension rod 3, the auxiliary supporting rod 5 and the hanging beam 4, and the hanging beam 4 is arranged at the top of the gantry supporting frame 2 in parallel, so that a stable hanging and lifting supporting platform is formed, and a hanging and lifting space is increased.

In this embodiment, the top of the base 1 is hinged to the gantry support frame 2 through a support, two ends of the auxiliary pull rod 13 are hinged to the top of the gantry support frame 2 and the top of the fixing frame 12 respectively, so that the base, the gantry support frame 2, the auxiliary pull rod 13 and the fixing frame 12 form a quadrilateral supporting structure, the supporting capacity of the gantry support frame 2 can be increased, the support is firmer and more stable, and the bearing and supporting performance of the hoisting device is improved.

The utility model discloses improve in: when the truss hoisting device is used, the base 1 is fixed at a position to be hoisted by penetrating through a mounting through hole 15 on the base 1 by using a bolt, then the middle part and two ends of a truss are respectively hooked by a main lifting hook 10 and an auxiliary lifting hook 11 at the bottom of a triangular hanger 8, so that a three-point fixed structure is formed, the stability and reliability are realized, the deformation of the middle part of the truss is effectively avoided, the truss is prevented from inclining or falling off in the hoisting process, the safety and reliability are realized, then a winch 14 winds a steel wire rope, the triangular hanger 8 is upwards lifted, the hoisting is realized, the steel wire rope sequentially passes through two movable pulleys 9 at the top end of the triangular hanger 8, a fixed pulley 6 corresponding to a hanging beam 4 and a guide pulley 7 on a gantry support frame 2 and then winds on the winch 14 in the hoisting process, two hoisting mechanisms are formed, the hoisting is more balanced and stable and is not easy to shake, the load of the winch 14 and the steel wire rope is also reduced, and the lifting capacity of the lifting device is improved.

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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a truss hoist device, includes base (1), its characterized in that: the lifting device is characterized in that a gantry support frame (2) is obliquely connected to the top of one end of a base (1), extension rods (3) are symmetrically connected to the top of the gantry support frame (2), the end portions of the extension rods (3) are connected with lifting beams (4), auxiliary support rods (5) are connected to the two ends of the bottom of each lifting beam (4), the auxiliary support rods (5) are connected to the top of the gantry support frame (2), fixed pulleys (6) and guide pulleys (7) are symmetrically installed on each lifting beam (4) and the gantry support frame (2), a triangular hanging frame (8) is arranged below each lifting beam (4), movable pulleys (9) are installed at the two ends of the top of each triangular hanging frame (8), a main lifting hook (10) is hinged to the bottom of each triangular hanging frame (8), auxiliary lifting hooks (11) are symmetrically connected to the two sides of the bottom of each triangular hanging frame (8) through chain chains, and a fixing frame (12) is connected to the top of the other end of the base (1), the top end of the fixing frame (12) is symmetrically connected with auxiliary pull rods (13), the auxiliary pull rods (13) are connected to the top end of the gantry supporting frame (2), a winch (14) is installed at the top of the base (1), and a winding drum of the winch (14) sequentially penetrates through a guide pulley (7), a fixed pulley (6) and a movable pulley (9) to be wound and connected.

2. The truss hoisting device of claim 1, wherein: four corners of the base (1) are respectively provided with installation through holes (15).

3. The truss hoisting device of claim 1, wherein: and reinforcing rods (16) are connected between the gantry support frames (2).

4. The truss hoisting device of claim 1, wherein: the triangular hanging bracket (8) is of an inverted regular triangle structure, the top end of the triangular hanging bracket (8) is symmetrically connected with a fixed seat (17), the movable pulley (9) is rotatably connected in the fixed seat (17), and the axial direction of the movable pulley (9) is consistent with the side length direction of the triangular hanging bracket (8).

5. The truss hoisting device of claim 4, wherein: the two sides of the bottom of the triangular hanging bracket (8) are symmetrically provided with fixing lugs (18), and the fixing lugs (18) are connected with the auxiliary lifting hook (11) through a chain.

6. The truss hoisting device of claim 3, wherein: a triangular supporting structure is formed among the gantry supporting frame (2), the extension rod (3), the auxiliary supporting rod (5) and the hanging beam (4), and the hanging beam (4) is arranged at the top of the gantry supporting frame (2) in parallel.

7. The truss hoisting device of claim 1, wherein: the top of the base (1) is hinged with the gantry support frame (2) through a support, and two ends of the auxiliary pull rod (13) are hinged with the top of the gantry support frame (2) and the top of the fixing frame (12) respectively.

8. The truss hoisting device of claim 7, wherein: a quadrilateral supporting structure is formed among the base (1), the gantry supporting frame (2), the auxiliary pull rod (13) and the fixing frame (12).