CN216583900U

CN216583900U - All-directional rotary small crane

Info

Publication number: CN216583900U
Application number: CN202122715437.1U
Authority: CN
Inventors: 余海涛; 朱勤; 张利华; 张光见; 王文鹏
Original assignee: Ycih No2 Water Resources And Hydropower Construction Co ltd
Current assignee: Ycih No2 Water Resources And Hydropower Construction Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-24
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the field of construction equipment, in particular to a small omnibearing rotary crane which comprises a hoisting base, a rotary structure, a motor, a winch, a rotary seat and a suspension arm, wherein a support column is fixed on the hoisting base, the rotary structure is flexibly arranged at the top of the support column, the motor is horizontally arranged at the horizontal position of the rotary structure through the motor base, the rotary seat consists of a shaft part and a bearing plate, the shaft part is rigidly connected to the rotary structure, the bearing plate is arranged vertical to the shaft part, the winch is arranged on the bearing plate, the suspension arm is arranged on the rotary seat in a manner of inclining to the shaft part, a pulley is arranged at the top end of the suspension arm, and a coiled rope of the winch is dragged to pass through the pulley to be suspended on the suspension arm. The whole small of this equipment, the quality is light, and easy dismouting has guaranteed the convenience that equipment removed, and according to the weight of steel pipe, this equipment satisfies the load requirement completely, can accomplish the hoist and mount requirement in limited space, can go the place that the main equipment can not go, can accomplish the hoist and mount requirement of pipe laying.

Description

All-directional rotary small crane

Technical Field

The utility model relates to the field of construction equipment, in particular to a small all-direction rotating crane.

Background

Pipelines need to be laid in the tank field, but installation platforms in a plurality of tank fields are narrow, large-scale hoisting equipment cannot enter, and the pipelines cannot be hoisted into the irrigation ditches.

For example: the irrigation area 31346 mu of Qinglong reservoir irrigation area of Jingdong high-efficiency water-saving project adopts low-pressure pipeline water delivery irrigation, 8 main water delivery pipes are laid, the pipe diameter phi 920 spiral welded pipe (external corrosion protection) length 752m, the phi 820 spiral welded pipe (external corrosion protection) 12357m, the phi 720 spiral welded pipe (external corrosion protection) 12847m, the phi 630 spiral welded pipe (external corrosion protection) 14853m, the phi 478 spiral welded pipe (external corrosion protection) 1810m, the phi 377 spiral welded pipe (external corrosion protection) 3317m, the phi 325 spiral welded pipe (external corrosion protection) 8767m, the phi 273 spiral welded pipe (external corrosion protection) 6539m, the phi 219 spiral welded pipe (external corrosion protection) 2418m, DN100 hot galvanized steel pipe 455m, and the steel pipe laying with the total length 64.115 km;

digging a irrigated area of 3849 mu of a irrigated patch of the sa reservoir, laying 1 main water delivery pipeline, and laying by adopting a spiral welded pipe, wherein the length is 3.016 km; 8 water conveying main pipes are laid, and the total length is 14.059 km.

The pipeline construction can select more transportation equipment according to the site conditions, and large-scale equipment such as a truck crane, an excavator and the like is adopted conventionally, but for the irrigation area of the pizza excavation reservoir of the project, the pipeline is installed beside the original water delivery channel, the site is only provided with a platform with the width less than 1m, and the large-scale equipment cannot be hoisted.

However, among various hoisting devices produced in China, a light and small hoisting device can only complete the movement of a heavy object in a single direction, and for cranes in fixed engineering places such as factory workshops and buildings, overhead rails or ground rails or foundations must be installed, a landing safety channel needs to be arranged on a crane rail beam, the installation is complex, the cost is high, the occupied area is large, and under the condition that the site-limited hoisting is not very large, a light hoisting device capable of moving the heavy object in any direction is lacked.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide a small omnibearing rotary crane, which is hoisting equipment convenient to move and capable of rotating at any angle.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

all around rotation's little loop wheel machine, including hoist and mount base, revolution mechanic, motor, hoist engine, roating seat and davit, be fixed with the pillar on the hoist and mount base, revolution mechanic flexible mounting is at the top of pillar, the motor passes through motor base horizontal installation at revolution mechanic's horizontal position, the roating seat comprises axial region and loading board, and axial region rigid connection is on revolution mechanic, and the installation of loading board perpendicular to axial region, the hoist engine is installed on the loading board, the davit inclines to the installation of axial region and fixes on the roating seat, is equipped with a pulley on the top of davit, and the serving of hoist engine draws the pulley to suspend in midair on the davit.

Preferably, the pillar is hollow column, and revolution mechanic is step gear and bearing, and step gear's step shaft passes through the bearing and installs at hollow column's top, and the axial region bottom rigid mounting of roating seat is in step gear's axle center, and rigid connection a driving gear on the output shaft of motor, installs the chain between driving gear and step shaft.

Preferably, the suspension arm consists of two steel pipes, a connecting block is welded between the two steel pipes, the bottoms of the two steel pipes are fixed on the shaft part and the bearing plate, and the inclination angle is larger than 90 degrees and smaller than 150 degrees.

Preferably, the hoisting base is pyramid-shaped and formed by welding I-shaped steel, and the pillar is located in the middle of the hoisting base.

Compared with the prior art, the utility model has the beneficial effects that: the design of revolution mechanic guarantees that lifting device can 360 degrees rotations, ensures that lifting pipe can once only take one place. The suspension arm is formed by welding steel pipes, the hoisting base is formed by welding I-shaped steel, the material is simple, the assembly is also simple, the whole device is small in size, light in weight and easy to assemble and disassemble, the moving convenience of the device is guaranteed, the device can completely meet the load requirement according to the weight of the steel pipes, the hoisting requirement can be completed in a limited space, places where large-scale equipment cannot be moved can be removed, and the hoisting requirement of pipeline laying can be met.

Drawings

FIG. 1 is a schematic structural view of a small omni-directional rotary crane in a front view;

fig. 2 is a front view of the rotating structure.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The small omni-directional rotation crane shown in fig. 1 and 2 comprises a hoisting base 1, a rotating structure 2, a motor 3, a winch 4, a rotating seat 5 and a suspension arm 6, wherein a support column 7 is fixed on the hoisting base 1, the rotating structure 2 is flexibly installed at the top of the support column 7, the motor 3 is horizontally installed at the horizontal position of the rotating structure 2 through a motor base 8, the rotating seat 5 consists of a shaft part and a bearing plate, the shaft part is rigidly connected to the rotating structure 2, the bearing plate is installed perpendicular to the shaft part, the winch 4 is installed on the bearing plate, the suspension arm 6 is installed and fixed on the rotating seat 5 in a manner of inclining to the shaft part, a pulley 9 is arranged at the top end of the suspension arm 6, and a winding rope 10 of the winch 4 is pulled by the pulley 9 to be suspended on the suspension arm 6. Through calculation, the pipe diameter phi 920 and the delta are 10.0mm, the W is 224.92kg/m, one pipe is 12m long, the weight of one pipe is 2.698t, and the weight of a hoisting winch is 3 t.

In order to enable the hoisting equipment to rotate in a 360-degree dead angle-free mode, the supporting column 7 is a hollow column, the rotating structure 2 is a stepped gear 20 and a bearing 21, a stepped shaft of the stepped gear 20 is mounted at the top of the hollow column through the bearing 21, the bottom end of a shaft part of the rotating seat 5 is rigidly mounted in the shaft center of the stepped gear 20, a driving gear 30 is rigidly connected to an output shaft of the motor 3, and a chain 31 is mounted between the driving gear 30 and the stepped shaft. The motor 3 rotates to drive the chain 31 and the gear to rotate the suspension arm.

The suspension arm 6 is composed of two steel pipes with the diameter of 60 and the wall thickness of 1cm, a connecting block is welded between the two steel pipes, the bottoms of the two steel pipes are fixed on the shaft part and the bearing plate, and the inclination angle is larger than 90 degrees and smaller than 150 degrees.

The hoisting base 1 is pyramid-shaped and is formed by welding 14# I-steel on a base, and the support column 7 is located in the middle of the hoisting base 1 to ensure the stability of the boom during rotation.

And (2) installing conventional large-diameter pipelines, wherein each working face needs to be equipped with 1 excavator (calculated according to cat 320), the average rental cost of one excavator is 30000 yuan/month, the project construction period is planned to be 12 months according to the construction schedule plan, and at least 4 working faces need to be constructed simultaneously in order to ensure the construction period. The renting cost of the excavator is 144 ten thousand yuan, if the project hoisting equipment is finished, the cost of a single processing unit is about 6000 yuan, and the total 6 ten thousand yuan is needed for configuring 10 units of equipment. Therefore, the cost can be reduced by about 138 ten thousand yuan by using the portable hoisting equipment in the project.

The small omni-directional rotary crane provided by the utility model is described in detail above. The description of the embodiments is only for the purpose of helping understanding the method of the present invention and the core idea thereof, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. All direction rotation's little loop wheel machine, its characterized in that: including hoist and mount base, revolution mechanic, motor, hoist engine, roating seat and davit, be fixed with the pillar on the hoist and mount base, revolution mechanic flexible mounting is at the top of pillar, the motor passes through motor base horizontal installation at revolution mechanic's horizontal position, the roating seat comprises axial region and loading board, axial region rigid connection on revolution mechanic, and the installation of loading board perpendicular to axial region, the hoist engine is installed on the loading board, the davit is inclined to the axial region installation and fixes on the roating seat, is equipped with a pulley on the top of davit, and the serving of hoist engine draws the pulley to suspend in midair on the davit.

2. The omni-directional rotary small crane according to claim 1, wherein: the pillar is hollow column, and revolution mechanic is step gear and bearing, and step gear's step shaft passes through the bearing to be installed at hollow column's top, and the axial region bottom rigid mounting of roating seat is in step gear's axle center, a rigid connection driving gear on the output shaft of motor, installs the chain between driving gear and step shaft.

3. The omni-directional rotary small crane according to claim 1, wherein: the davit comprises two steel pipes, and the welding has the connecting block between two steel pipes, and the bottom of two steel pipes is fixed on axial region and loading board, and inclination is greater than 90, is less than 150.

4. The omni-directional rotary small crane according to claim 1, wherein: the hoisting base is pyramid-shaped and formed by welding I-shaped steel, and the support is located in the middle of the hoisting base.