阅读说明：本技术 一种可拆卸旋转吊 (Detachable rotary crane ) 是由 刘胜强 李维 王伟 刘涛 王晓科 廖荣华 于 2019-10-15 设计创作，主要内容包括：本发明涉及塔吊技术领域,具体公开了一种可拆卸旋转吊,安装底座、液压泵站系统安装板和吊臂,所述安装底座与液压泵站系统安装板构成该旋转吊的安装部,且安装部设置有安装孔,所述安装底座与液压泵站系统安装板之间设有回转机构,所述吊臂包括基本臂和伸缩臂。本发明的有益效果是：1、吊机各部分组件都是轻量化设计,各部组件重量不超400KG；2、各组件拆装简单、方便,两人配合即可完成拆与装的作业。很有利于分拆搬运、转移等；3、在固定位置装卸货物,自带电机提供动力,不占用燃油动力设备,有效的将电能转换为动能,节约能源,降低成本。(The invention relates to the technical field of tower cranes, and particularly discloses a detachable rotary crane which comprises an installation base, a hydraulic pump station system installation plate and a suspension arm, wherein the installation base and the hydraulic pump station system installation plate form an installation part of the rotary crane, the installation part is provided with an installation hole, a swing mechanism is arranged between the installation base and the hydraulic pump station system installation plate, and the suspension arm comprises a basic arm and a telescopic arm. The invention has the beneficial effects that: 1. each part of the components of the crane are designed in a light weight mode, and the weight of each part of the components is not more than 400 KG; 2. each component is simple and convenient to disassemble and assemble, and the disassembling and assembling operation can be completed by the cooperation of two persons. Is favorable for disassembly, transportation, transfer and the like; 3. goods are loaded and unloaded at fixed positions, power is provided by the motor, fuel oil power equipment is not occupied, electric energy is effectively converted into kinetic energy, energy is saved, and cost is reduced.)

1. A detachable rotary crane comprises a mounting base (1), a hydraulic pump station system mounting plate and a suspension arm, and is characterized in that the mounting base (1) and the hydraulic pump station system mounting plate form a mounting part of the rotary crane, the mounting part is provided with a mounting hole, a swing mechanism (2) is arranged between the mounting base (1) and the hydraulic pump station system mounting plate, and the suspension arm comprises a basic arm (9) and a telescopic arm;

the swing mechanism (2) is connected with a center swing joint (3), the center swing joint (3) is connected with a center pillar assembly (6), the center pillar assembly (6) is connected with an installation base (1) and a hydraulic pump station system installation plate through bolts, the top of the center pillar assembly (6) is connected with a suspension arm, an amplitude variation oil tank (4) is connected between the center pillar assembly (6) and the suspension arm through bolts, a balance valve (5) is arranged on the amplitude variation oil tank (4), the right end of a basic arm (9) is rotatably connected with the center pillar assembly (6) through a first pin shaft (7), the left end of the basic arm (9) is provided with a second pin shaft (8), the basic arm (9) is provided with a telescopic arm in parallel, the right end point of the basic arm (9) is provided with a fixed pulley arm hoisting head (14), the bottom end of the fixed pulley arm hoisting head (14) is connected with a movable pulley hoisting hook (15), basic arm (9) around both sides connect respectively and are provided with first flexible hydro-cylinder (16), second flexible hydro-cylinder (17) and third flexible hydro-cylinder (18), install oil tank (19) and motor (20) on the hydraulic power unit system mounting panel, just oil tank (19) are located the left side of center pillar assembly (6), just motor (20) and oil tank (19) front and back set up side by side, install 3 tons of customization hoist engine (21) through the bolt on the hydraulic power unit system mounting panel, be provided with pulley (22) on basic arm (9).

2. The detachable rotary crane of claim 1, wherein one end of the boom is hinged to the mounting portion of the center pillar assembly (6) through a bolt, and a lift cylinder is disposed below the boom, one end of the lift cylinder is hinged to the boom, and the other end of the lift cylinder is hinged to the center pillar mounting hole through a pin.

3. The rotating crane according to claim 2, characterized in that one end of the basic arm (9) is hinged with the center pillar assembly (6), the other end is provided with a slide hole, one end of the telescopic arm extends into the slide hole and is in sliding fit with the slide hole, and a hydraulic cylinder for controlling the telescopic arm to stretch is arranged between the other end and the basic arm (9).

4. The detachable rotary crane according to claim 1, wherein the telescopic boom comprises a first telescopic boom (10), a second telescopic boom (11), a third telescopic boom (12) and a hand-pulling auxiliary boom (13) which are sequentially arranged, the first telescopic boom (10) is located in the crane boom and is in sliding fit with the crane boom, the second telescopic boom (11) is located in the first telescopic boom (10) and is in sliding fit with the first telescopic boom (10), the third telescopic boom (12) is located in the second telescopic boom (11) and is in sliding fit with the second telescopic boom (11), the hand-pulling auxiliary boom (13) is located in the third telescopic boom (12) and is in sliding fit with the third telescopic boom (12), the hydraulic cylinder is a multi-stage hydraulic cylinder for controlling the extension and retraction of the first telescopic boom (10), the second telescopic boom (11) and the third telescopic boom (12), and the hand-pulling auxiliary boom (13) is a manual push-pull boom, the hand-pulling auxiliary arm (13) is hinged with the third telescopic arm (12) through a mounting hole pin shaft, and the hand-pulling auxiliary arm (13) is controlled by manual push-pull.

5. The detachable rotary crane according to claim 1, wherein the customized 3-ton hoist (21), the fixed-pulley hoist arm head (14) and the movable-pulley hoist hook (15) form a hoisting mechanism of the rotary crane, the fixed-pulley hoist arm head (14) is hinged to the auxiliary hand-pulling arm (13) through a mounting pin shaft, and the movable-pulley hoist hook (15) is wound and connected with the customized 3-ton hoist (21) and the fixed-pulley hoist arm head (14) through a steel wire rope.

6. A demountable rotary crane according to claim 5, wherein the custom 3 ton hoist (21) is powered to rotate by a hydraulic system, and the wire rope is used to lift and lower the travelling block hoist hook (15) by pulling the travelling block hoist arm head (14).

Technical Field

The invention relates to the field of tower cranes, in particular to a detachable rotary crane.

Background

With the vigorous development of high-altitude operation in recent years, various high-altitude operation vehicles, tower cranes and crawler cranes are continuously emerged, and from the development of the tower crane industry, the industry is highly related to national economy, buildings and real estate, so that the development of the tower crane industry has certain scientific significance from the development trends of the national economy and the real estate industry, in 2010, the Chinese economy continues to rise to a good situation since 2009, a good foundation is laid for the development of various industries, the real estate industry rapidly rises along with the rise, and the tower crane industry also obviously rises.

Therefore, a detachable rotary crane is needed to meet the current situation, although various rotary cranes are produced at present, a large number of problems still exist, firstly, the purchasing cost of the existing rotary crane is relatively high, the practicability of the existing rotary crane is reduced to a certain extent, secondly, the existing crawler crane is flexible and convenient, but is limited by a corridor, a door frame and the like, and cannot reach an operation site as desired, thirdly, the existing tower crane is mainly used for a large-scale infrastructure construction site, although the vertical height of the crane is large, the construction consumes time and labor, fourthly, the existing aerial operation vehicle arm is limited in length, and people are mainly used.

Disclosure of Invention

The invention aims to provide a detachable rotating crane, which solves the problem that the tower is easily broken by external force because the existing rotating crane only adopts a telescopic mechanism to prevent the power transmission line tower from being toppled.

In order to achieve the purpose, the invention provides the following technical scheme:

a detachable rotary crane comprises a mounting base, a hydraulic pump station system mounting plate and a suspension arm, wherein the mounting base and the hydraulic pump station system mounting plate form a mounting part of the rotary crane, the mounting part is provided with a mounting hole, a swing mechanism is arranged between the mounting base and the hydraulic pump station system mounting plate, and the suspension arm comprises a basic arm and a telescopic arm;

the swing mechanism is connected with a center swing joint, the center swing joint is connected with a center column assembly, the center column assembly is connected with an installation base and a hydraulic pump station system installation plate through bolts, the top of the center column assembly is connected with a suspension arm, an amplitude oil tank is connected between the center column assembly and the suspension arm through bolts, a balance valve is arranged on the amplitude oil tank, the right end of a basic arm is rotatably connected with the center column assembly through a first pin shaft, the left end of the basic arm is provided with a second pin shaft, the basic arm is provided with a telescopic arm in parallel, a fixed pulley hoisting arm head is arranged at the right end of the basic arm, the bottom end of the fixed pulley hoisting arm head is connected with a movable pulley hoisting hook, the front side and the back side of the basic arm are respectively connected with a first telescopic oil cylinder, a second telescopic oil cylinder and a third telescopic oil cylinder, and an oil cylinder are installed on the hydraulic pump, and the oil tank is located the left side of center pillar assembly, just the motor sets up side by side around with the oil tank, install the 3 tons hoists of customization through the bolt on the hydraulic power unit system mounting panel, be provided with the pulley on the basic arm.

As a further scheme of the invention: one end of the lifting arm is hinged to the mounting portion of the center pillar assembly through a bolt, a lifting oil cylinder is arranged below the lifting arm, one end of the lifting oil cylinder is hinged to the lifting arm, and the other end of the lifting oil cylinder is hinged to a center pillar mounting hole pin shaft.

As a further scheme of the invention: one end of the basic arm is hinged to the middle column assembly, the other end of the basic arm is provided with a sliding hole, one end of the telescopic arm extends into the sliding hole and is in sliding fit with the sliding hole, and a hydraulic cylinder used for controlling the telescopic arm to stretch is arranged between the other end of the telescopic arm and the basic arm.

As a further scheme of the invention: the telescopic boom comprises a first telescopic boom, a second telescopic boom, a third telescopic boom and a hand-pulling auxiliary boom which are sequentially arranged, wherein the first telescopic boom is located in the suspension arm and is in sliding fit with the suspension arm, the second telescopic boom is located in the first telescopic boom and is in sliding fit with the first telescopic boom, the third telescopic boom is located in the second telescopic boom and is in sliding fit with the second telescopic boom, the hand-pulling auxiliary boom is located in the third telescopic boom and is in sliding fit with the third telescopic boom, the hydraulic cylinder is a multi-stage hydraulic cylinder and is used for controlling the expansion and contraction of the first telescopic boom, the second telescopic boom and the third telescopic boom, the hand-pulling auxiliary boom is a manual push-pull boom, the hand-pulling auxiliary boom is hinged with the third telescopic boom through a mounting hole pin shaft, and the hand-pulling auxiliary boom is controlled by manual push-pull.

As a further scheme of the invention: the customized 3-ton winch, the fixed pulley winch arm head and the movable pulley winch lifting hook form a lifting mechanism of the rotary crane, the fixed pulley winch arm head is hinged with the auxiliary hand-pulling arm through a mounting pin shaft, and the movable pulley winch lifting hook is connected with the customized 3-ton winch and the fixed pulley winch arm head in a winding mode through a steel wire rope.

As a further scheme of the invention: the customized 3-ton winch provides power to rotate through a hydraulic system, and the steel wire rope pulls the movable pulley winch lifting hook to ascend and descend through the fixed pulley winch arm head.

Compared with the prior art, the invention has the beneficial effects that: the davit can rotate under the drive of jack-up cylinder, thereby the contained angle of adjustment davit and horizontal plane, realize that the low latitude gets the thing, the thing is got at the high altitude, get functions such as thing, the davit can also cooperate the hoist engine to realize high altitude hoist and mount through wire rope, the work efficiency is improved, the safety is improved, occupy very little space, can work in constrictive space, and do not need to adopt other lifting device, each part subassembly of loop wheel machine all is the lightweight design, each subassembly weight is not more than 400KG, each subassembly dismouting is simple, it is convenient, the operation of tearing open and adorning can be accomplished in the cooperation of two people. The electric energy conversion device is favorable for disassembly, transportation, transfer and the like, goods are loaded and unloaded at fixed positions, power is provided by the motor, fuel oil power equipment is not occupied, electric energy is effectively converted into kinetic energy, energy is saved, and cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a top schematic view of the present invention.

In the figure: 1-mounting base, 2-slewing mechanism, 3-central slewing joint, 4-luffing cylinder, 5-balance valve, 6-center pillar assembly, 7-first pin shaft, 8-second pin shaft, 9-basic arm, 10-first telescopic arm, 11-second telescopic arm, 12-third telescopic arm, 13-hand auxiliary arm, 14-fixed pulley hoisting arm head, 15-movable pulley hoisting hook, 16-first telescopic cylinder, 17-second telescopic cylinder, 18-third telescopic cylinder, 19-oil tank, 20-motor, 21-custom 3-ton hoisting machine and 22-pulley.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1-3, in one embodiment of the present invention, a detachable rotating crane includes a mounting base 1, a hydraulic pump station system mounting plate, and a boom, where the mounting base 1 and the hydraulic pump station system mounting plate form a mounting portion of the rotating crane, the mounting portion is provided with a mounting hole, a swing mechanism 2 is arranged between the mounting base 1 and the hydraulic pump station system mounting plate, and the boom includes a basic arm 9 and a telescopic arm;

the swing mechanism 2 is connected with a center swing joint 3, the center swing joint 3 is connected with a center column assembly 6, the center column assembly 6 is connected with an installation base 1 and a hydraulic pump station system installation plate through bolts, the top of the center column assembly 6 is connected with a suspension arm, an amplitude oil tank 4 is connected between the center column assembly 6 and the suspension arm through bolts, a balance valve 5 is arranged on the amplitude oil tank 4, the right end of a basic arm 9 is rotatably connected with the center column assembly 6 through a first pin shaft 7, the left end of the basic arm 9 is provided with a second pin shaft 8, a telescopic arm is arranged on the basic arm 9 in parallel, a fixed pulley hoisting arm head 14 is arranged at the right end of the basic arm 9, the bottom end of the fixed pulley hoisting arm head 14 is connected with a movable pulley hoisting hook 15, and a first telescopic oil cylinder 16, a second telescopic oil cylinder and a, The telescopic oil cylinder 17 of second and the telescopic oil cylinder 18 of third, install oil tank 19 and motor 20 on the hydraulic power unit system mounting panel, just oil tank 19 is located the left side of center pillar assembly 6, just motor 20 sets up with oil tank 19 back side by side, install 3 tons of custom winches 21 through the bolt on the hydraulic power unit system mounting panel, be provided with pulley 22 on the basic arm 9.

Furthermore, in the embodiment of the present invention, one end of the boom is hinged to the mounting portion of the center pillar assembly 6 through a bolt, and a lift cylinder is disposed below the boom, one end of the lift cylinder is hinged to the boom, and the other end of the lift cylinder is hinged to the center pillar mounting hole through a pin, so as to achieve tight connection between the components.

Further, in the embodiment of the present invention, one end of the basic arm 9 is hinged to the center pillar assembly 6, the other end is provided with a sliding hole, one end of the telescopic arm extends into the sliding hole and is in sliding fit with the sliding hole, and a hydraulic cylinder for controlling the telescopic arm to extend and retract is arranged between the other end and the basic arm 9, so that the components are in close fit with each other.

Further, in the embodiment of the present invention, the telescopic boom includes a first telescopic boom 10, a second telescopic boom 11, a third telescopic boom 12, and a hand-pulling auxiliary boom 13, which are sequentially disposed, the first telescopic boom 10 is located in the boom and is in sliding fit with the boom, the second telescopic boom 11 is located in the first telescopic boom 10 and is in sliding fit with the first telescopic boom 10, the third telescopic boom 12 is located in the second telescopic boom 11 and is in sliding fit with the second telescopic boom 11, the hand-pulling auxiliary boom 13 is located in the third telescopic boom 12 and is in sliding fit with the third telescopic boom 12, and the hydraulic cylinder is a multi-stage hydraulic cylinder for controlling the extension and retraction of the first telescopic boom 10, the second telescopic boom 11, and the third telescopic boom 12, the hand-pulling auxiliary boom 13 is a manual push-pull arm, the hand-pulling auxiliary boom 13 is hinged to the third telescopic boom 12 through a mounting hole pin, and the hand-pulling control auxiliary boom 13 is manually pushed and pulled, so that control strips are ordered.

Further, in the embodiment of the present invention, the customized 3-ton winch 21, the fixed pulley winch arm head 14, and the movable pulley winch hook 15 constitute a hoisting mechanism of the rotating crane, the fixed pulley winch arm head 14 is hinged to the auxiliary hand arm 13 by a mounting pin, and the movable pulley winch hook 15 is wound and connected to the customized 3-ton winch 21 and the fixed pulley winch arm head 14 by a steel wire rope, so as to realize hoisting of a heavy object.

Further, in the embodiment of the present invention, the customized 3-ton winch 21 is powered by a hydraulic system to rotate, and the steel wire rope pulls the movable-sheave winch hook 15 through the fixed-sheave winch arm head 14 to ascend and descend, so as to release and collect the steel wire rope.

The working principle is as follows: after the crane is transported to a working place and assembled, the square pipes or the square wood strips are inserted into the square holes on the four sides of the mounting base 1, after enough balance weights are pressed, a power supply of a power distribution cabinet is connected, a motor is started to drive an oil pump to work, high-pressure oil reaches a four-way multi-way operation valve through an oil pipe, the multi-way valve is respectively connected with an amplitude-variable oil cylinder 4, a first telescopic oil cylinder 16 (a telescopic oil cylinder is connected in series), oil inlets and oil outlets of a swing mechanism and a winch are controlled by the multi-way valve to realize amplitude-variable angle change of the crane, telescopic movement of a suspension arm, rotation and lifting and descending of goods, and the.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The standard parts used by the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part can adopt the conventional means of mature bolts, rivets, welding and the like in the prior art, and the detailed description is not repeated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.