CN215828215U

CN215828215U - Self-balancing large-span net rack lifting structure

Info

Publication number: CN215828215U
Application number: CN202121489773.2U
Authority: CN
Inventors: 陆炳春; 邱冰; 李宏描; 许文胜; 梅元辉; 陈明杰; 赵凯铭; 杨荣胜; 柯愈升; 陈斌; 柯贤开
Original assignee: Zhuhai Shizimen Central Business District Construction Holding Co ltd
Current assignee: Zhuhai Shizimen Central Business District Construction Holding Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-15
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a self-balancing large-span net rack lifting structure, which relates to the technical field of large-span net rack lifting and comprises an I-shaped steel base, wherein a plurality of lifting frame assemblies which are vertically distributed at equal intervals are arranged on the upper surface of the I-shaped steel base, the lifting frame assemblies are sequentially and fixedly connected end to end through bolts, a top cantilever frame is fixedly connected to the upper surface of the lifting frame assembly positioned at the uppermost end, the top cantilever frame is fixedly connected with the lifting frame assembly through bolts, the top cantilever frame comprises two I-shaped steels, the middle parts of the two I-shaped steels are fixedly welded, and an electric hoist is arranged at the lower end of a fixing ring. According to the utility model, the top cantilever frame is fixedly connected to the upper surface of the lifting frame component positioned at the uppermost end, the top cantilever frame is in a cross shape, four corners of the top cantilever frame are symmetrically distributed and uniformly stressed, a self-balancing system can be formed, the device is ensured to be more stable during lifting, and the device is not easy to incline.

Description

Self-balancing large-span net rack lifting structure

Technical Field

The utility model relates to the technical field of large-span net rack lifting, in particular to a self-balancing large-span net rack lifting structure.

Background

At present, the installation of a large-span steel net rack or a steel truss structure with the length of more than 50 meters generally adopts the current advanced 'ultra-large hydraulic synchronous lifting construction technology', the lifting weight is large, the large-span steel net rack or the steel truss structure can be integrally lifted in place once, the difficulty of installation and construction is greatly reduced, the installation and construction technology is very favorable for quality, safety, construction period and the like, but the technology is limited by site conditions, numerous lifting hoisting points need to be arranged, a lifting platform, a guide frame, a lifting channel and other lifting measures need to be arranged at each hoisting point, the structure at each hoisting point needs to be reinforced, only one hoisting point can be arranged at each hoisting point, and the cost of the measures is very high.

If a conventional part-by-part high-altitude bulk scheme is adopted, an assembly platform which can bear large load needs to be erected, so that the high-altitude assembly and welding workload is huge, high-altitude operation has high quality and safety risks, the construction difficulty is higher, the construction period of the whole project is greatly influenced, and the technical and economic indexes of the scheme are poor; if a large crane is adopted for integral installation of double-crane lifting, a crane with a larger tonnage is needed, and the requirements on the ground, the foundation and the like are higher, the efficiency is low, certain safety risk exists, and the cost of measures is not low.

Therefore, it is necessary to develop a self-balancing large-span net rack lifting structure to solve the above problems.

Disclosure of Invention

The utility model aims to provide a self-balancing large-span net rack lifting structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a large-span rack hoisting structure of self-balancing, includes the I-steel base, the upper surface of I-steel base is provided with a plurality of hoisting frame subassemblies that are the vertical distribution of equidistant, and is a plurality of through bolt head and the tail fixed connection in proper order between the hoisting frame subassembly, be located the last fixed surface of the hoisting frame subassembly of top and be connected with the top cantilever frame, the top cantilever frame passes through bolt and hoisting frame subassembly fixed connection, the top cantilever frame includes two I-steel, two the middle part fixed welding of I-steel, the solid fixed ring of the equal fixedly connected with of lower surface of four extreme points department of top cantilever frame, gu fixed ring's lower extreme is provided with electronic calabash, the equal fixedly connected with cable wind rope of four extreme points department of top cantilever frame, the lower extreme of cable wind rope passes through stock and ground fixed connection.

Preferably, the I-steel base comprises four I-steels, and the four I-steels are sequentially fixedly welded end to end.

Preferably, the hoisting frame assembly comprises four vertically arranged steel columns, the four steel columns are distributed in a square shape, and the upper end and the lower end of each steel column are fixedly connected with two first connecting plates which are perpendicular to each other.

Preferably, two first angle steels which are mutually crossed are arranged between every two adjacent steel columns, two ends of each first angle steel are fixedly connected with the two adjacent first connecting plates through connecting bolts respectively, and the middle parts of the two first angle steels which are mutually crossed are fixedly connected through the connecting bolts.

Preferably, the middle parts of the steel columns are fixedly connected with two second connecting plates which are perpendicular to each other, a first reinforcing plate is arranged between every two adjacent steel columns, and two ends of each first reinforcing plate are fixedly connected with the two adjacent second connecting plates through connecting bolts.

Preferably, a second reinforcing plate is arranged between the upper ends of the two adjacent steel columns, and two ends of the second reinforcing plate are fixedly connected with the two adjacent first connecting plates through connecting bolts respectively.

Preferably, the upper end and the lower end of the steel column are fixedly connected with circular connecting plates, a plurality of bolt insertion holes distributed in an annular array are formed in the circular connecting plates in a penetrating mode, a plurality of fixing buckles distributed in an annular array are movably clamped on the outer sides of the circular connecting plates in a clamping mode, the fixing buckles are inverted L-shaped, and the lower surfaces of the fixing buckles are fixedly welded with the upper surface of the I-shaped steel base.

Preferably, electric block is including rotating motor, couple, lifting hook, promotion chain block and manual control ware, electric block passes through wire and external integrated control case electric connection, the integrated control case passes through wire and integrated display electric connection.

The utility model has the technical effects and advantages that:

1. according to the utility model, the plurality of hoisting frame assemblies are arranged and fixedly connected end to end in sequence in the vertical direction, so that the installation number of the hoisting frame assemblies can be selected according to the height to be hoisted, and the application range is wider;

2. according to the utility model, the top cantilever frame is fixedly connected to the upper surface of the lifting frame component positioned at the uppermost end, the top cantilever frame is in a cross shape, four corners of the top cantilever frame are symmetrically distributed and uniformly stressed, and a self-balancing system can be formed, so that the device is more stable during lifting and is not easy to incline;

3. the utility model has simple operation, can lift the net rack by only installing a group of lifting frame assemblies in the middle of the net rack, has less number of the arranged lifting frame assemblies and can be repeatedly used, and simultaneously has more lifting points, simple requirement on lifting equipment of the lifting points, low requirement on site conditions and small influence on a foundation structure, does not need to carry out too many reinforcement measures, has extremely high construction efficiency and low measure cost.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a perspective view of the structure of the poppet assembly of the present invention.

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

Fig. 4 is a schematic connection diagram of the electric hoist structural system of the present invention.

In the figure: 1. an I-steel base; 2. a poppet assembly; 3. a top cantilever frame; 4. a fixing ring; 5. an electric hoist; 6. a guy rope; 7. a steel column; 71. a circular connecting plate; 72. inserting holes for bolts; 8. a connecting bolt; 9. a first connecting plate; 10. a first angle steel; 11. a second connecting plate; 12. a first reinforcing plate; 13. a second reinforcing plate; 14. a fixing buckle; 15. rotating the motor; 16. hooking; 17. a hook; 18. lifting the chain block; 19. a manual controller.

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.

The utility model provides a self-balancing large-span net rack lifting structure as shown in figures 1-4, which comprises an I-steel base 1, wherein the I-steel base 1 comprises four I-steels, the four I-steels are sequentially and fixedly welded end to end, the I-steel base 1 is arranged on a steel plate laid on the ground, the I-steel base 1 is used for supporting the whole device and distributing the weight of the whole device, so that the inclination of the device caused by overlarge local stress on the ground is avoided, a plurality of lifting frame assemblies 2 which are vertically distributed at equal intervals are arranged on the upper surface of the I-steel base 1, and the plurality of lifting frame assemblies 2 are sequentially and fixedly connected end to end through bolts, so that the device can select the installation number of the lifting frame assemblies 2 according to the height to be lifted.

Secondly, be located last lifting frame subassembly 2's of upper surface fixedly connected with top cantilever frame 3, top cantilever frame 3 passes through bolt and lifting frame subassembly 2 fixed connection, top cantilever frame 3 includes two I-steel, the middle part fixed welding of two I-steel, the equal fixedly connected with solid fixed ring 4 of lower surface of four extreme points department of top cantilever frame 3, gu fixed ring 4's lower extreme is provided with electronic calabash 5, the equal fixedly connected with cable wind rope 6 of four extreme points department of top cantilever frame 3, stock and ground fixed connection are passed through to the lower extreme of cable wind rope 6, four angle symmetric distribution of top cantilever frame 3, the atress is even, can form a self-balancing system, cable wind rope 6's setting can wholly consolidate this device, thereby avoid this device to take place the slope.

Specifically, the hoisting frame assembly 2 includes the steel column 7 of four vertical settings, four steel columns 7 are the square distribution, two mutually perpendicular's first connecting plate 9 of the equal fixedly connected with in upper and lower both ends of steel column 7, be provided with two intercrossing's first angle steel 10 between two adjacent steel columns 7, the both ends of first angle steel 10 are passed through connecting bolt 8 respectively with two adjacent first connecting plate 9 fixed connection, connecting bolt 8 fixed connection is passed through at two intercrossing's first angle steel 10's middle part, the setting of first angle steel 10 can be strengthened hoisting frame assembly 2 holistic intensity.

Further, at two mutually perpendicular's of middle part fixedly connected with second connecting plate 11 of steel column 7, be provided with first reinforcing plate 12 between two adjacent steel columns 7, the both ends of first reinforcing plate 12 pass through connecting bolt 8 respectively with two adjacent second connecting plate 11 fixed connection, be provided with second reinforcing plate 13 between the upper end of two adjacent steel columns 7, connecting bolt 8 is passed through respectively with two adjacent first connecting plate 9 fixed connection at the both ends of second reinforcing plate 13, setting up of first reinforcing plate 12 and second reinforcing plate 13 has further improved 2 holistic intensity of hoisting frame subassembly, thereby can avoid taking place deformation or taking place the slope after 7 atresss of steel column.

And, equal fixedly connected with circular connecting plate 71 in the upper and lower both ends of steel column 7, run through on the circular connecting plate 71 and set up a plurality of bolt insertion holes 72 that are the annular array and distribute, the outside activity joint of circular connecting plate 71 has a plurality of fixed buckles 14 that are the annular array and distribute, fixed buckle 14 is the L type of inversion, the lower surface of fixed buckle 14 and the last fixed surface welding of I-steel base 1, carry out the chucking through fixed buckle 14 to circular connecting plate 71, can install hoisting frame subassembly 2 fast, only need during the dismantlement to detain fixed 14 excision, can pull down hoisting frame subassembly 2, need not to punch and bolt fixed connection on I-steel base 1, thereby can reduce the installation degree of difficulty of this device.

Concretely, electric block 5 is including rotating motor 15, couple 16, lifting hook 17, promote chain block 18 and manual control 19, electric block 5 passes through wire and external integrated control case electric connection, integrated control case passes through wire and integrated display electric connection, start-stop of coming synchronous control electric block 5 through external integrated control case, can guarantee that four electric block 5 carry out synchronous promotion to four hoisting points on the rack, thereby avoid the rack to take place to incline and lead to this device atress inhomogeneous at the promotion in-process, and then avoided this device to take place the possibility of slope.

The working principle of the utility model is as follows:

firstly, determining the installation position of the device according to the position of a hanging point of a net rack, then laying a base steel plate on the ground, fixedly connecting an I-shaped steel base 1 with the upper surface of the base steel plate through bolts, then placing a lifting frame assembly 2 on the upper surface of the I-shaped steel base 1 and ensuring that four steel columns 7 are respectively positioned at four corners of the upper surface of the I-shaped steel base 1, clamping a fixing buckle 14 on the outer side of a circular connecting plate 71 and welding the fixing buckle with the upper surface of the I-shaped steel base 1, and then connecting the lifting frame assembly 2 with the I-shaped steel base 1;

then, the plurality of hoisting frame assemblies 2 are sequentially fixedly connected end to end through bolts according to the height to be hoisted, finally, the top cantilever frame 3 is fixedly installed on the upper surface of the hoisting frame assembly 2 positioned at the uppermost end, and then, the plurality of cable wind ropes 6 are fixed on the ground through anchor rods to reinforce the whole device;

when promoting the rack, carry out fixed connection with the hoisting point on lifting hook 17 and the rack through wire rope to guarantee that every electric block 5's lifting load is according to the total weight average distribution weight that promotes, then control four electric block 5 synchronous start through external integrated control case, can promote the rack.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a self-balancing large-span rack lifting structure, includes I-steel base (1), its characterized in that: the upper surface of the I-shaped steel base (1) is provided with a plurality of lifting frame components (2) which are vertically distributed at equal intervals, the lifting frame components (2) are sequentially and fixedly connected end to end through bolts, the upper surface of the lifting frame component (2) at the uppermost end is fixedly connected with a top cantilever frame (3), the top cantilever frame (3) is fixedly connected with the hoisting frame component (2) through a bolt, the top cantilever frame (3) comprises two I-shaped steels, the middle parts of the two I-shaped steels are fixedly welded, the lower surfaces of the four end points of the top cantilever frame (3) are fixedly connected with fixing rings (4), the lower end of the fixing ring (4) is provided with an electric hoist (5), four end points of the top cantilever frame (3) are fixedly connected with cable wind ropes (6), and the lower ends of the cable wind ropes (6) are fixedly connected with the ground through anchor rods.

2. The self-balancing large-span net rack lifting structure of claim 1, wherein: the I-steel base (1) comprises four I-steels, and the four I-steels are sequentially fixedly welded end to end.

3. The self-balancing large-span net-frame lifting structure of claim 2, wherein: the lifting frame assembly (2) comprises four vertically arranged steel columns (7), the four steel columns (7) are distributed in a square shape, and two first connecting plates (9) which are perpendicular to each other are fixedly connected to the upper end and the lower end of each steel column (7).

4. A self-balancing large-span net-work lifting structure according to claim 3, characterized in that: two first angle steel (10) which are mutually crossed are arranged between every two adjacent steel columns (7), two ends of each first angle steel (10) are fixedly connected with the two adjacent first connecting plates (9) through connecting bolts (8), and the middle parts of the two first angle steel (10) which are mutually crossed are fixedly connected through the connecting bolts (8).

5. The self-balancing large-span net rack lifting structure of claim 4, wherein: the middle parts of the steel columns (7) are fixedly connected with two second connecting plates (11) which are perpendicular to each other, a first reinforcing plate (12) is arranged between every two adjacent steel columns (7), and two ends of each first reinforcing plate (12) are fixedly connected with the two adjacent second connecting plates (11) through connecting bolts (8).

6. The self-balancing large-span net-frame lifting structure of claim 5, wherein: and a second reinforcing plate (13) is arranged between the upper ends of two adjacent steel columns (7), and two ends of the second reinforcing plate (13) are respectively and fixedly connected with two adjacent first connecting plates (9) through connecting bolts (8).

7. The self-balancing large-span net rack lifting structure of claim 6, wherein: the steel column is characterized in that circular connecting plates (71) are fixedly connected to the upper end and the lower end of the steel column (7), a plurality of bolt insertion holes (72) distributed in an annular array are formed in the circular connecting plates (71) in a penetrating mode, a plurality of fixing buckles (14) distributed in an annular array are movably clamped on the outer sides of the circular connecting plates (71), the fixing buckles (14) are in an inverted L shape, and the lower surfaces of the fixing buckles (14) are fixedly welded to the upper surface of the I-shaped steel base (1).

8. The self-balancing large-span net-frame lifting structure of claim 7, wherein: electric block (5) are including rotating motor (15), couple (16), lifting hook (17), promotion chain block (18) and manual controller (19), electric block (5) pass through wire and external integrated control case electric connection, the integrated control case passes through wire and integrated display electric connection.