CN212076198U

CN212076198U - Machine table structure of tower crane for hoisting fan

Info

Publication number: CN212076198U
Application number: CN202020614174.8U
Authority: CN
Inventors: 王健健; 张敏; 孔德霖
Original assignee: Henan Jinli Heavy Industry Technology Co ltd
Current assignee: Henan Jinli Heavy Industry Technology Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-04
Anticipated expiration: 2030-04-22

Abstract

The utility model provides a board structure of tower machine for hoist and mount of fan relates to hoist technical field to it is big to solve the tower machine radius of gyration that exists among the prior art, and ann tears inefficiency open, can't adapt to the technical problem of large-scale fan hoist and mount demand. The device includes preceding board and back board, set up the inner chamber that holds electrical system in the board of back, the driver's cabin is installed on the upper portion of preceding board, rotation mechanism is installed to the lower part of preceding board, preceding board with back board demountable installation. The utility model discloses a tower machine radius of gyration is little, and board and rotation mechanism can wholly transport, and easy dismounting is quick.

Description

Machine table structure of tower crane for hoisting fan

Technical Field

The utility model belongs to the technical field of the hoist technique and specifically relates to a machine structure of tower machine for fan hoist and mount is related to.

Background

With the wide application of tower cranes (tower cranes for short) in the fields of buildings, thermal power, wind power and the like, the performance requirements on tower cranes are higher and higher, and in the wind power construction, the horizontal distance between the tower crane used for installing the fan and the fan cannot be too far due to the limitation of the lifting capacity of the tower crane, so that the turning radius of the tower crane needs to be controlled within a small range to avoid the influence on the installation of fan blades due to the interference of the tower crane with a fan tower drum during turning and the incapability of freely turning. The machine structure of the tower crane directly determines the turning radius of the tower crane, namely the horizontal distance from the turning center to the tail of the machine.

The applicant has found that the prior art has at least the following technical problems:

the tower crane in the prior art has the technical problems of large turning radius, low mounting and dismounting efficiency and incapability of meeting the hoisting requirement of a large fan.

Disclosure of Invention

An object of the utility model is to provide a machine structure of tower machine for fan hoist and mount to it is big to solve the tower machine radius of gyration that exists among the prior art, and ann tears inefficiency open, can't adapt to the technical problem of large-scale fan hoist and mount demand. The utility model provides a great deal of technological effect (simple structure, with low costs, convenient to use) that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a pair of board structure of tower machine for hoist and mount of fan, including preceding board and back board, set up the inner chamber that holds electrical system in the board of back, the driver's cabin is installed on the upper portion of preceding board, rotation mechanism is installed to the lower part of preceding board, preceding board with back board demountable installation.

Preferably, the inner cavity is divided into at least 2 chambers, so that an operator can dispersedly place each device in the electrical system in at least 2 chambers according to the functional requirements of the electrical system.

Preferably, the front machine platform is connected with the rear machine platform through a pin shaft, and the front machine platform is connected with the rear machine platform through at least 2 groups of pin shafts arranged at intervals in the vertical direction of the front machine platform and the rear machine platform.

Preferably, the driver's cabin set up in the one end of preceding board, the other end of preceding board is provided with first otic placode, first otic placode along the other end terminal surface of preceding board is provided with 2 at least groups at vertical direction interval, be close to on the back board the terminal surface of preceding board be provided with at vertical direction interval with first otic placode is at the ascending second otic placode of same horizontal direction, the second otic placode with after the laminating of first otic placode, the round pin axle passes the second otic placode with first otic placode makes preceding board with the back board is fixed.

Preferably, a counterweight is arranged on one side, far away from the front machine table, of the rear machine table, and a rear pull rod of the propeller strut is hinged with the rear machine table.

The utility model provides a pair of board structure of tower machine for fan hoist and mount, with prior art's difference lie in, electrical system sets up inside the board structure, does not occupy board exterior space, makes the length of board can reduce, preceding board and back board demountable installation in the board structure, the driver's room is installed on the upper portion of preceding board, rotation mechanism is installed to the lower part, when making the tower machine dismantle the transportation, only dismantle the connection of preceding board and back board, board and rotation mechanism's whole transportation before the realization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a tower crane for hoisting a fan

FIG. 2 is a diagram illustrating the relationship between the rotary mechanism and the machine structure

FIG. 3 is a top view of the front stage and the rear stage;

fig. 4 is a schematic view of the overall structure of a tower crane platform in the prior art.

1. A swing mechanism; 2. a front machine platform; 3. a rear machine platform; 4. a pin shaft; 5. an electrical system; 6. balancing weight; 7. a driver's cab; 8. a hinged frame; 9. an ear plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a machine structure of a tower crane for hoisting a fan, the machine structure is arranged on a swing mechanism 1, the swing mechanism 1 is arranged on a tower body of the tower crane, the swing mechanism 1 drives the machine structure to rotate by taking the swing mechanism 1 as a center, a hoisting mechanism and an A-bracket are arranged on the machine structure, particularly, as shown in figure 1, the machine structure comprises a front machine platform 2 and a rear machine platform 3, the front machine platform 2 and the rear machine platform 3 are detachably connected to facilitate the disassembly and transportation of the tower crane, the upper part (upper part) of the front machine platform 2 is provided with a driver cab 7, the driver cab 7 is detachably or fixedly arranged on the front machine platform 2, the machine structure comprises but is not limited to welding, bolting, connecting and the like of the driver cab 7 and the front machine platform 2, the lower part of the front machine platform 2 is in rotating fit with the swing mechanism 1, the swing mechanism 1 works, the machine structure is driven to rotate by the front machine, including the rotary support and the bearing seat, the positional relationship between the rotary mechanism 1 and the front machine platform 2 as shown in fig. 2, and for example, application number CN 103420286, the connection relationship between the front machine platform 2 and the rotary mechanism 1 of the down-rotating rotary mechanism 1 of the tower crane is the rotation transmission connection relationship between the conventional rotary mechanism 1 and the machine platform structure, and therefore will not be described herein.

As shown in fig. 1-3, an inner cavity for accommodating the electrical system 5 is formed inside the rear machine table 3, the electrical system 5 is disposed in the inner cavity, the electrical system 5 comprises a control cabinet, a resistor cabinet, a heat dissipation device and the like, the electrical system 5 is disposed in the inner cavity of the rear machine table 3, and compared with the existing electrical system 5 disposed outside the machine table mechanism, the rear machine table 3 needs to be highly extended for accommodating the electrical system 5, so that the inner cavity has a sufficient space for accommodating the electrical system 5, and meanwhile, because the electrical system 5 is disposed in the inner cavity of the rear machine table 3 of the machine table structure from the outside of the machine table structure, the external space of the original machine table structure is saved, the length of the machine table structure is small enough, and the turning.

Furthermore, in order to prolong the service life of the electrical system 5 and facilitate maintenance, at least 2 cavities are separated in the inner cavity, and an operator dispersedly places each device in the electrical system 5 in the at least 2 cavities according to the functional requirements of the electrical system 5, and flexibly combines each control cabinet, the resistor cabinet, the heat dissipation device and the like according to the functional requirements and the actual conditions.

As an optional implementation mode, the front machine table 2 is a mixed structure of straight-going i-beams and ring beams and is formed by cross welding of an upper cover plate, a lower cover plate, two webs and a large number of reinforcing rib plates, the rear machine table 3 is composed of two i-shaped longitudinal beams and three cross beams, the upper portion of the rear machine table 3 is connected with a rear pull rod of a propeller strut and a lifting mechanism of a tower crane, and a bottom plate is laid at the bottom of the rear machine table 3. The width of the front machine table 2 is consistent with that of the rear machine table 3.

Furthermore, the rear machine table 3 is formed by welding two main I-shaped longitudinal beams and three cross beams in a combined mode, an outward extending lug plate at the front portion of each longitudinal beam is connected with the front machine table, a lug seat is arranged at the rear portion of each longitudinal beam and connected with a rear pull rod of the propeller strut, and a balance weight is placed at the tail portion of each longitudinal beam. The bottom is laid with a patterned steel plate platform, the whole height is high, the three beams divide the rear machine table 3 into two chambers, an electric system is arranged in the rear chamber in enough space, a hoisting mechanism of the tower crane is placed on the upper portion of the front chamber, the electric system can be integrated into an electric room and placed in the rear chamber, and the electric system can also be flexibly and dispersedly arranged in the whole front and rear chambers.

As an optional implementation manner, the front machine table 2 and the rear machine table 3 are connected by a pin 4, the front machine table 2 and the rear machine table 3 are connected by at least 2 sets of pins 4 arranged at intervals in the vertical direction, and the 1 set of pins 4 includes at least 2 pins 4 arranged at intervals in the transverse direction of the front machine table 2 and the rear machine table 3.

Cab 7 sets up in the one end of preceding board 2, the other end of preceding board 2 is provided with first otic placode 9, first otic placode 9 is provided with 2 at least groups at vertical direction interval along the other end terminal surface of preceding board 2, the interval is provided with the second otic placode 9 that matches at same horizontal direction and vertical direction quantity and position with first otic placode 9 on the 3 one end terminal surfaces of back board that are close to preceding board 2, after second otic placode 9 and the laminating of first otic placode 9, round pin axle 4 passes second otic placode 9 and first otic placode 9, make preceding board 2 fixed with back board 3. The existing machine table mechanism is placed on the surface of the machine table structure due to the fact that the electrical system 5 is arranged on the surface of the machine table structure, the height of the existing machine table mechanism is not required to be too high, and the existing machine table mechanism is only used for supporting equipment, the height reason of the existing machine table mechanism causes that the connection between the front machine table 2 and the rear machine table 3 is only connected with the upper pin shaft 4, from the stress point, the rear machine table 3 needs a rear stay cable or a stay bar to meet the requirement of stable overall structure, the height of the machine table structure of the scheme is increased, the connection points of the front machine table 2 and the rear machine table 3 in the vertical direction are increased, the space for arranging the upper pin shaft 4 and the lower pin shaft 4 can be accommodated, the rear stay bar of the herringbone frame is hinged to the position of the rear.

A counterweight 6 is arranged on one side of the rear machine table 3 far away from the front machine table 2, a hinged frame 8 hinged with a rear pull rod of the propeller strut is arranged on the rear machine table 3, and the rear pull rod is hinged with the rear machine table 3 through a pin shaft 4.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a machine structure of tower machine for hoist and mount of fan, its characterized in that includes preceding board and back board, set up the inner chamber that holds electrical system in the board of back, the driver's room is installed on the upper portion of preceding board, rotation mechanism is installed to the lower part of preceding board, preceding board with back board demountable installation.

2. The machine table structure of the tower crane for hoisting the draught fan according to claim 1, wherein at least 2 cavities are separated from the inner cavity, so that an operator can dispersedly place each device in the electrical system in at least 2 cavities according to the functional requirements of the electrical system.

3. The machine table structure of the tower crane for hoisting the draught fan as claimed in claim 1, wherein the front machine table and the rear machine table are connected through a pin shaft, and the front machine table and the rear machine table are connected at least through 2 groups of pin shafts arranged at intervals along the vertical direction of the front machine table and the rear machine table.

4. The machine table structure of the tower crane for hoisting the fan according to claim 3, wherein the cab is arranged at one end of the front machine table, a first lug plate is arranged at the other end of the front machine table, at least 2 groups of the first lug plate are arranged at intervals in the vertical direction along the end surface of the other end of the front machine table, a second lug plate which is arranged at intervals in the vertical direction on the end surface of the front machine table and is arranged at intervals in the same horizontal direction with the first lug plate is arranged on the rear machine table, and a pin shaft penetrates through the second lug plate and the first lug plate after the second lug plate and the first lug plate are attached, so that the front machine table and the rear machine table are fixed.

5. The machine table structure of the tower crane for hoisting the draught fan as claimed in claim 1, wherein a counterweight is arranged on one side of the rear machine table far away from the front machine table, and a rear pull rod of the propeller strut is hinged with the rear machine table.

6. The machine table structure of the tower crane for hoisting the draught fan as claimed in claim 1, wherein the rear machine table is arranged to be a frame structure, and a bottom plate capable of placing an electrical system is arranged on the bottom surface of the rear machine table.