CN214570251U

CN214570251U - Derrick mast lifting mechanism convenient to operate

Info

Publication number: CN214570251U
Application number: CN202023056632.XU
Authority: CN
Inventors: 唐少兵; 邱向东; 盛鹤松; 李建伟
Original assignee: Zhangjiagang Tianyun Building Machinery Co ltd
Current assignee: Zhangjiagang Tianyun Building Machinery Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-11-02
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a convenient operation's gin pole hoist mechanism, including bottom support mechanism, balance arm, A word frame, hoisting mechanism, single arm-drag mechanism, jib loading boom, couple, the balance arm is installed on bottom support mechanism, the support body of A word frame is fixed at the balance arm middle part, and hoisting mechanism and single arm-drag mechanism are fixed respectively at A word frame front-back portion and are installed on the balance arm and are used for playing to rise the curling shrink of lifting rope and single arm-drag lifting rope respectively, the rear end swing joint of jib loading boom is in balance arm rear end, and the front end is equipped with pulley system, and the one end winding that plays to rise the lifting rope is on hoisting mechanism, and the other end is along jib loading boom winding pulley system and connect the couple, and the upside of jib loading boom is equipped with the jib loading boom pull rod, and the front end upside of jib loading boom is connected to the one end of jib loading boom pull rod, and the other end is equipped with down the pulley. The derrick mast hoisting mechanism convenient to operate is high in structural strength, convenient to install, operate and use, good in carrying hoisting flexibility, high in structural strength and high in practicability.

Description

Derrick mast lifting mechanism convenient to operate

Technical Field

The utility model relates to a convenient operation's gin pole hoist mechanism relates to tower crane equipment technical field.

Background

The derrick mast crane is mainly used for carrying and moving goods with large hoisting weight, generally needs good flexibility and large bearing strength, and a plurality of derrick mast crane mechanisms at present can meet the requirements, but are complex in structure, high in manufacturing cost and inconvenient to operate and use, so that the practicability is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the derrick mast hoisting mechanism is high in structural strength and convenient to operate.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a derrick mast lifting mechanism with convenient operation, which comprises a bottom support mechanism, a balance arm, an A-shaped frame, a lifting mechanism, a pull arm mechanism, a crane boom and a hook, the balance arm is arranged on the bottom support mechanism, the frame body of the A-shaped frame is fixed in the middle of the balance arm, the lifting mechanism and the pull arm mechanism are respectively fixed at the front and the rear parts of the A-shaped frame and are arranged on the balance arm and are respectively used for curling and contracting the lifting ropes and the pull arm lifting ropes, the rear end of the cargo boom is movably connected with the rear end of the balance arm, the front end of the cargo boom is provided with a pulley system, one end of a lifting rope is wound on the lifting mechanism, the other end of the lifting rope is wound to the pulley system along the cargo boom and is connected with a hook, the upper side of the cargo boom is provided with a cargo boom pull rod, one end of the cargo boom pull rod is connected with the upper side of the front end of the cargo boom, the other end of the cargo boom pull rod is provided with a lower pulley, one end of a pull arm lifting rope is wound on the pull arm mechanism, and the other end of the pull arm lifting rope is wound on the lower pulley and is connected to the top end of the A-shaped frame.

Preferably, the bottom support mechanism comprises a horse block, an upper support and a lower support, the lower support is fixed above the horse block, the upper support is fixed above the lower support, and the balance arm is fixed above the upper support.

Preferably, a rotating system for driving the upper support to do rotating motion relative to the lower support is arranged between the lower support and the upper support.

Preferably, the rear part of the balance arm is mounted on the upper support, and the lower part of the front part of the balance arm is supported on the upper support side seat body through a support rod.

Preferably, the A-shaped frame comprises a main support rod, a balance arm pull rod and a rear support rod, one end of the main support rod is movably connected to the upper side of the rear end of the balance arm and is obliquely arranged, the balance arm pull rod is vertically arranged, the upper end of the balance arm pull rod is connected with the main support rod, the lower end of the balance arm pull rod is movably connected to the middle of the balance arm, one end of the rear support rod is movably connected to the lower end of the balance arm pull rod, and the other end of the rear support rod is movably connected to the middle of the main support rod.

Preferably, the upper end of the main support rod is provided with an upper pulley, and the arm-pulling lifting rope is wound to the upper pulley from the arm-pulling mechanism and then wound to a lower pulley on the boom pull rod.

Preferably, the upper side of the lifting arm is provided with a plurality of guide wheels for limiting and guiding the lifting rope to slide.

Preferably, the front end of the balance arm is provided with an electric control system for controlling the operation of the lifting mechanism and the arm pulling mechanism.

Compared with the prior art, the utility model discloses an useful part is: the derrick mast hoisting mechanism convenient to operate is high in structural strength, convenient to install, operate and use, good in carrying hoisting flexibility and high in structural strength, and therefore the practicability is high.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and 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 side schematic view of the present invention;

fig. 2 is a partially enlarged schematic view at a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention:

as shown in fig. 1 and 2, the derrick mast crane mechanism convenient to operate includes a bottom support mechanism, a balance arm 1, an a-frame, a hoisting mechanism 2, a boom mechanism 3, a boom 4, and a hook 5, the balance arm is mounted on the bottom support mechanism, in this embodiment, in order to improve the support stability, the bottom support mechanism includes a pier 6, an upper support 7, and a lower support 8, the lower support is fixed above the pier, the upper support is fixed above the lower support, and the balance arm is fixed above the upper support, in addition, in order to facilitate the transportation and improve the overall flexibility of the mechanism, a rotation system 9 for driving the upper support to rotate relative to the lower support is mounted between the lower support and the upper support, so that the rotation system can effectively drive the balance arm to rotate 360 degrees under the driving of the rotation system, thereby improving the flexibility of the mechanism for hoisting and transporting, while the rotation system in this embodiment is a rotation system commonly used in the market and driving the rotation platform to rotate circumferentially through a motor The rotary motion mechanism ensures that the structure of the upper part and the lower part can do relative rotary motion, in order to further improve the supporting strength of the balance arm, the rear part of the arm body of the balance arm is arranged on the upper support, the lower part of the front part of the arm body is supported on the base body on the side surface of the upper support through a supporting rod, the frame body of the A-shaped frame is fixed in the middle of the balance arm, the hoisting mechanism and the pull arm mechanism are respectively fixed at the front part and the rear part of the A-shaped frame and are arranged on the balance arm and are respectively used for curling and contracting a hoisting lifting rope 19 and a pull arm lifting rope 20, the rear end of the crane arm is movably connected at the rear end of the balance arm, the front end of the crane arm is provided with a pulley system 10, one end of the hoisting rope is wound on the hoisting mechanism, the other end of the hoisting rope is wound around the pulley system along the crane arm and is connected with a hook, then the hoisting rope can slide relative to the pulley system, and then the hook is driven to move up and down relative to the end part of the crane arm, thereby realizing the hoisting action, the crane boom is characterized in that a crane boom pull rod 11 is arranged on the upper side of the crane boom, one end of the crane boom pull rod is connected with the upper side of the front end of the crane boom, a lower pulley 12 is arranged at the other end of the crane boom pull rod, one end of a crane boom lifting rope is wound on a crane boom mechanism, the other end of the crane boom lifting rope is wound on a downward pulley and is connected to the top end of the A-shaped frame, in the embodiment, the lifting mechanism and the crane boom mechanism are both existing mechanisms on a derrick crane, and the crane boom lifting mechanism is a winding wheel structure driven by a motor, so that the winding and unwinding processes of the crane rope can be realized.

In this embodiment, for improving structural stability and structural strength, the a-shaped frame includes main tributary vaulting pole 13, balance arm pull rod 14, back vaulting pole 15, the one end swing joint of main tributary vaulting pole sets up in balance arm rear end upside and slope, the balance arm pull rod is erect and is set up and the main tributary vaulting pole is connected to the upper end, lower extreme swing joint is in the balance arm middle part, the one end swing joint of back vaulting pole is at balance arm pull rod lower extreme, other end swing joint is in main tributary vaulting pole middle part position to further improve the stability when rising and the arm-drag, for further stability when improving the arm-drag, the upper end of main tributary vaulting pole is equipped with top sheave 16, the arm-drag lifting sling winds to the lower pulley on the pull rod again behind the top sheave from arm-drag mechanism.

In this embodiment, in order to improve the stability of the lifting rope during sliding during lifting, a plurality of guide wheels 17 for limiting and guiding the sliding of the lifting rope are arranged on the upper side of the boom.

In order to conveniently control the operation of the whole mechanism, the front end of the balance arm is provided with an electric control system 18 for controlling the operation of the lifting mechanism and the arm pulling mechanism.

Therefore, in practical application, in the process of hoisting and carrying, firstly, the hoisting lifting rope is released by the hoisting mechanism, then the hook is driven to move downwards until the hook contacts with a to-be-hoisted cargo, after the cargo is hooked, the hoisting lifting rope is wound by the hoisting mechanism, then the hook is driven to hoist the cargo upwards, meanwhile, according to actual needs, the arm-pulling mechanism is started to drive the arm-pulling lifting rope to pull up the cargo boom, the rear end of the cargo boom rotates upwards in a fan-shaped mode relative to the rear end of the balance arm until the rear end of the cargo boom rotates to a proper position, then the rotating system is started to rotate the cargo boom until the cargo is positioned above the to-be-placed position, the opposite processes are repeated, the cargo is placed to a preset position and the hook is taken back, and the whole carrying rotating process of the derrick mast hoisting mechanism is completed.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a convenient operation's gin pole hangs mechanism which characterized in that: comprises a bottom support mechanism, a balance arm, an A-shaped frame, a lifting mechanism, a pull arm mechanism, a crane arm and a hook, the balance arm is arranged on the bottom support mechanism, the frame body of the A-shaped frame is fixed in the middle of the balance arm, the lifting mechanism and the pull arm mechanism are respectively fixed at the front and the rear parts of the A-shaped frame and are arranged on the balance arm and are respectively used for curling and contracting the lifting ropes and the pull arm lifting ropes, the rear end of the cargo boom is movably connected with the rear end of the balance arm, the front end of the cargo boom is provided with a pulley system, one end of a lifting rope is wound on the lifting mechanism, the other end of the lifting rope is wound to the pulley system along the cargo boom and is connected with a hook, the upper side of the cargo boom is provided with a cargo boom pull rod, one end of the cargo boom pull rod is connected with the upper side of the front end of the cargo boom, the other end of the cargo boom pull rod is provided with a lower pulley, one end of a pull arm lifting rope is wound on the pull arm mechanism, and the other end of the pull arm lifting rope is wound on the lower pulley and is connected to the top end of the A-shaped frame.

2. A derrick crane mechanism as claimed in claim 1, wherein: the bottom support mechanism comprises a horse block, an upper support and a lower support, the lower support is fixed above the horse block, the upper support is fixed above the lower support, and the balance arm is fixed above the upper support.

3. A derrick crane mechanism as claimed in claim 2, wherein: and a rotating system for driving the upper support to do rotating motion relative to the lower support is arranged between the lower support and the upper support.

4. A derrick crane mechanism as claimed in claim 2, wherein: the rear part of the arm body of the balance arm is arranged on the upper support, and the lower part of the front part of the arm body is supported on the base body on the side surface of the upper support through a support rod.

5. A derrick crane mechanism as claimed in claim 1, wherein: a style of calligraphy frame includes main tributary vaulting pole, balance arm pull rod, back vaulting pole, the one end swing joint of main tributary vaulting pole sets up at balance arm rear end upside and slope, and the balance arm pull rod is erect and is set up and connect the main tributary vaulting pole upper end, and lower extreme swing joint is at the balance arm middle part, and the one end swing joint of back vaulting pole is at balance arm pull rod lower extreme, and other end swing joint is in main tributary vaulting pole middle part position.

6. A derrick crane mechanism as claimed in claim 5, wherein: the upper end of the main supporting rod is provided with an upper pulley, and the arm-drawing lifting rope winds to the upper pulley from the arm-drawing mechanism and then winds to a lower pulley on the boom pull rod.

7. A derrick crane mechanism as claimed in claim 1, wherein: and a plurality of guide wheels for limiting and guiding the lifting ropes to slide are arranged on the upper side of the lifting arm.

8. A derrick crane mechanism as claimed in claim 1, wherein: the front end of the balance arm is provided with an electric control system for controlling the operation of the lifting mechanism and the arm pulling mechanism.