阅读说明：本技术 压缩机维修用轻型龙门式起重装置及其安装方法 (Light gantry type hoisting device for compressor maintenance and installation method thereof ) 是由 孙建华 张在新 汪敏 李宗鑫 卢意 龚贻斌 侯小兵 黄远明 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种压缩机维修用轻型龙门式起重装置,包括主横梁以及分别位于主横梁两侧以将其支撑的左支撑和右支撑,其中,左支撑包括短横梁以及位于短横梁下方的两左支腿,两左支腿平行设置且与短横梁通过紧固件固定共同形成门字型支撑结构；右支撑包括顶部相互铰接以形成人字形结构的两右支腿、以及与两右支腿顶部铰接处固定的承重板,主横梁的两端分别与短横梁和承重板固定连接,主横梁上安装有手动葫芦。本压缩机检维修用轻型龙门式起重装置,对现场条件很复杂,无法使用吊车等辅助设备的场所,具有很好的适用性,既能保证在自身较重的情况下实现人工竖立,又能吊装现场较重的一些零部件,方便压缩机工作现场的检维修。(the invention discloses a light gantry type hoisting device for maintaining a compressor, which comprises a main beam, a left support and a right support, wherein the left support and the right support are respectively positioned at two sides of the main beam to support the main beam; the right support comprises two right supporting legs and a bearing plate, the tops of the two right supporting legs are hinged with each other to form a herringbone structure, the bearing plate is fixed at the hinged positions of the tops of the two right supporting legs, two ends of a main cross beam are fixedly connected with a short cross beam and the bearing plate respectively, and a manual hoist is installed on the main cross beam. This maintenance is examined with light-duty planer-type hoisting apparatus to compressor, to site conditions very complicated, can't use auxiliary assembly's such as crane place, have fine suitability, can guarantee to realize the manual work under the heavier condition of self and erect, can hoist some spare parts that the scene is heavier again, make things convenient for the maintenance of examining of compressor job site.)

1. A light gantry type hoisting device for maintaining a compressor is characterized by comprising a main beam, a left support and a right support, wherein the left support and the right support are respectively positioned at two sides of the main beam to support the main beam,

the left support comprises a short beam and two left legs positioned below the short beam, and the two left legs are arranged in parallel and fixed with the short beam through fasteners to form a portal-shaped support structure;

The right branch props up including the top articulated each other in order to form two right landing legs of chevron structure and with two right landing leg top articulated fixed bearing plate of department, the both ends of main beam respectively with short crossbeam and bearing plate fixed connection, install hand block on the main beam.

2. the light gantry crane apparatus for compressor maintenance as claimed in claim 1, wherein the right leg has a pair of arms fixed to both sides of the top end thereof, the arms having mounting holes adapted to the rotation shaft, and the rotation shaft passing through the mounting holes of the arms of the right legs to hinge the right legs.

3. the light gantry crane apparatus for compressor maintenance as claimed in claim 2, wherein a short steel pipe for reducing friction during erection is installed at a bottom end of the right leg.

4. The lightweight gantry crane assembly for compressor maintenance of claim 2, wherein said crutch panel and right leg are secured by welding.

5. the light gantry crane apparatus for compressor maintenance as claimed in claim 2, wherein the axis of the rotating shaft is perpendicular to the axis of the right leg.

6. the lightweight gantry crane assembly for compressor maintenance of claim 1 wherein said right support further comprises a long tie bar connecting the right legs.

7. The light gantry crane apparatus for compressor maintenance as claimed in claim 6, wherein the long tie bar is fixedly connected to the right supports at both sides thereof by bolts.

8. the lightweight gantry crane apparatus for compressor maintenance as set forth in claim 1, wherein said left support further comprises a short tie bar connecting the two left legs, the short tie bar being fixedly connected to the left support on both sides thereof by means of bolts.

9. A light gantry crane for compressor maintenance as claimed in any one of claims 1 to 8, wherein one end of the main beam is welded to the bearing plate, and the other end is detachably connected to the short beam by means of bolts.

10. A method for installing a light gantry crane for compressor maintenance according to any one of claims 1 to 9, comprising the steps of:

moving each part of the left support to the side sub-base of the main machine body, and connecting each part of the left support;

Manually and preliminarily moving the main cross beam to the inner side of the unit to be maintained to be transversely placed;

Manually positioning a right support at one end of the main beam preliminarily, assembling the right support, and connecting the main beam and the right support through a rotating shaft;

The two right supporting legs of the right support are gradually drawn together by the cooperation of a plurality of persons through the soft rope, so that the right end of the main beam is continuously raised, and after the right supporting legs move in place, a long lacing wire is arranged between the two right supporting legs and studs at the two ends of the long lacing wire are screwed tightly;

After the left end of the main beam is manually jacked up, the left end of the main beam is erected on the short beam, and the main beam and the short beam are fastened.

Technical Field

The invention relates to the technical field of hoisting device structures, in particular to a light gantry type hoisting device for compressor maintenance and an installation method thereof.

Background

at present, a gantry type hoisting device is generally adopted for hoisting or overhauling heavier parts in field construction, but a plurality of compressors are often required to share one gantry type hoisting device in the actual inspection and maintenance process. The gantry crane is required to be convenient to assemble, disassemble and transport, and meanwhile, the assembled gantry crane is convenient to erect and crane heavy objects.

however, the existing gantry crane cannot be assembled manually due to large equipment volume, and needs a crane to hoist and mount, so that the process of mounting the gantry crane is very troublesome.

Disclosure of Invention

The invention mainly aims to provide a light gantry type hoisting device convenient for manual assembly and used for compressor maintenance and an installation method thereof.

In order to achieve the above objects, the present invention provides a light gantry type lifting apparatus for compressor maintenance, comprising a main beam, and a left support and a right support respectively located at both sides of the main beam to support the main beam, wherein,

The left support comprises a short beam and two left legs positioned below the short beam, and the two left legs are arranged in parallel and fixed with the short beam through fasteners to form a portal-shaped support structure;

The right branch props up including the top articulated each other in order to form two right landing legs of chevron structure and with two right landing leg top articulated fixed bearing plate of department, the both ends of main beam respectively with short crossbeam and bearing plate fixed connection, install hand block on the main beam.

preferably, the two sides of the top end of the right supporting leg are both fixed with a turning plate, the turning plate is provided with mounting holes matched with the rotating shaft, and the rotating shaft penetrates through the mounting holes in the turning plates of the two right supporting legs to hinge the two right supporting legs.

Preferably, the bottom end of the right leg is fitted with a short steel tube for reducing friction during erection.

preferably, the crutch plate and the right leg are fixed by welding.

Preferably, the axis of the rotating shaft is perpendicular to the axis of the right supporting leg.

Preferably, the right support further comprises a long lacing wire connecting the two right legs.

Preferably, the long lacing wire is fixedly connected with the right supports at two sides of the long lacing wire through bolts.

Preferably, the left support further comprises a short tie bar connecting the two left legs, and the short tie bar is fixedly connected with the left supports on the two sides of the short tie bar through bolts.

Preferably, one end of the main cross beam is welded with the bearing plate, and the other end of the main cross beam is detachably connected with the short cross beam through a bolt.

the invention further provides an installation method of the light gantry type hoisting device for compressor maintenance, which comprises the following steps:

Moving each part of the left support to the side sub-base of the main machine body, and connecting each part of the left support;

manually and preliminarily moving the main cross beam to the inner side of the unit to be maintained to be transversely placed;

Manually positioning a right support at one end of the main beam preliminarily, assembling the right support, and connecting the main beam and the right support through a rotating shaft;

the two right supporting legs of the right support are gradually drawn together by the cooperation of a plurality of persons through the soft rope, so that the right end of the main beam is continuously raised, and after the right supporting legs move in place, a long lacing wire is arranged between the two right supporting legs and studs at the two ends of the long lacing wire are screwed tightly;

After the left end of the main beam is manually jacked up, the left end of the main beam is erected on the short beam, and the main beam and the short beam are fastened.

the light gantry type hoisting device for compressor maintenance provided by the invention has good applicability to places with complicated field conditions and incapability of using auxiliary equipment such as a crane and the like, can ensure manual erection under the condition of heavier self, can hoist some parts with heavier field, and is convenient for the inspection and maintenance of the working field of the compressor. This maintenance is examined with light-duty planer-type hoisting apparatus to compressor can use the condition of less manpower to carry out the manual work and install, erect, dismantle and transport, and the equipment is easy and simple to handle with the process of erectting, and the installation is dismantled efficiently, has guaranteed installer's safety simultaneously. In addition, the light gantry type hoisting device for the maintenance of the compressor also has the advantages of simple structure, easy realization, convenient use and reliable work.

drawings

FIG. 1 is a schematic structural view of a left support in a light gantry crane for compressor maintenance according to the present invention;

FIG. 2 is a schematic structural diagram of a main beam in the light gantry crane for compressor maintenance according to the present invention;

FIG. 3 is a schematic front view of a right support of the light gantry crane of the present invention for compressor maintenance;

FIG. 4 is a schematic side view of a right support of the light gantry crane of the present invention for compressor maintenance;

Fig. 5 is a schematic overall structure diagram of a light gantry crane for compressor maintenance according to the present invention.

In the figure, 1-left support, 101-short beam, 102-left support leg, 103-short lacing wire, 2-main beam, 201-main beam, 202-manual hoist, 3-right support, 301-rotating shaft, 302-bearing plate, 303-crutch plate, 304-right support leg, and 305-long lacing wire.

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The invention provides a light gantry type hoisting device for maintaining a compressor.

Referring to fig. 1 to 5, in the present preferred embodiment, a light gantry type lifting apparatus for compressor maintenance includes a main beam 2, and a left support 1 and a right support 3 respectively located at both sides of the main beam 2 to support the same, wherein,

The left support 1 comprises a short beam 101 and two left legs 102 positioned below the short beam 101, and the two left legs 102 are arranged in parallel and fixed with the short beam 101 through fasteners to form a portal-shaped support structure;

the right support 3 comprises two right supporting legs 304 and a bearing plate 302, the tops of the two right supporting legs 304 are hinged with each other to form a herringbone structure, the bearing plate 302 is fixed at the hinged position of the tops of the two right supporting legs 304, two ends of the main cross beam 2 are fixedly connected with the short cross beam 101 and the bearing plate 302 respectively, and the main cross beam 2 is provided with a manual hoist 202.

Specifically, referring to fig. 3, two sides of the top end of the right leg 304 are fixed with a crutch plate 303 (the crutch plate 303 and the right leg 304 are welded and fixed), a mounting hole matched with the rotating shaft 301 is formed in the crutch plate 303, and the rotating shaft 301 penetrates through the mounting hole in the crutch plate 303 of the two right legs 304 to hinge the two right legs 304. The size of the crutch panel 303 needs to be determined according to the length, the angle and the like of the right leg 304, and the design avoids interference between the right legs 304, reduces the length of the legs and reduces the weight of the crutch. The rotating shaft 301 sequentially penetrates through the bearing plate 302 hole and the mounting holes in the four turning plates 303 and is connected and fastened by bolts, so that the stability of the whole lifting device in the lifting process is ensured.

Further, referring to fig. 4, a short steel pipe for reducing friction during erection is installed at the bottom end of the right leg 304 (the short steel pipe is fixed to the right leg 304 by welding).

referring to fig. 4, the right support 3 further includes a long tie 305 connecting the two right legs 304, and the structural stability of the right support 3 can be improved by providing the long tie 305. The long tie bar 305 may be fixedly connected to the right supports 3 at both sides thereof by bolts.

Further, the left support 1 further comprises a short tie bar 103 connecting the two left legs 102, thereby improving the structural stability of the left support 1. The short tie bars 103 can be fixedly connected with the left supports 1 on the two sides thereof through bolts. The left leg 102 and the short beam 101 are bolted together to facilitate quick removal. The lower portions of the left leg 102 and the right leg 304 are tightened with tie bars and bolted to prevent slippage during operation.

one end of the main beam 2 is welded with the bearing plate 302, and the other end is detachably connected with the short beam 101 through bolts. Referring to fig. 2, the middle of the main beam 2 is used for the walking of the hand hoist 202, and the main beam 2 needs to be horizontal when being installed. The axis of the rotating shaft 301 is perpendicular to the axis of the right leg 304.

The light gantry type hoisting device for maintaining the compressor comprises the following assembling processes:

1) moving each part of the left support 1 to the side sub-base of the main machine body, and fastening the mounting bolts one by one to connect each part of the left support 1;

2) manually and preliminarily moving the main beam 2 to the inner side of the unit to be maintained to be transversely placed;

3) Manually positioning the right support 3 at one end of the main beam 2 preliminarily, assembling the right support 3, and connecting the main beam 2 and the right support 3 through a rotating shaft 301;

4) The two right supporting legs 304 of the right support 2 are gradually drawn together by the cooperation of a plurality of people through soft ropes, so that the right end of the main beam 2 is continuously raised (the left end of the main beam 2 is placed above the unit to be maintained, the left end of the main beam 2 gradually moves along with the continuous lifting of the right end of the main beam 2, and the right end of the main beam gradually rises), and after the right supporting legs 304 move in place, long lacing wires 305 are installed between the two right supporting legs 304 and studs at the two ends of the long lacing wires are screwed;

5) After the left end of the main beam 2 is manually jacked up (at the moment, the left end of the main beam 2 is more than one meter away from the top end of the short beam 101, and the left end can be manually lifted up), the left end of the main beam 2 is erected on the short beam 101, and then the main beam and the short beam are fastened by tightening bolts;

6) finally, checking the fastening state of each bolt;

7) On-site disassembly of the hoisting device requires that the hoisting device is disassembled one by one according to the reverse order of installation under the supervision of a security officer.

the light gantry type hoisting device for maintaining the compressor, which is provided by the embodiment, has good applicability to the places with complex field conditions and incapable of using auxiliary equipment such as cranes and the like, can ensure manual erection under the condition of heavier self, and can hoist some heavy parts on the field to facilitate the maintenance of the working site of the compressor. This maintenance is examined with light-duty planer-type hoisting apparatus to compressor can use the condition of less manpower to carry out the manual work and install, erect, dismantle and transport, and the equipment is easy and simple to handle with the process of erectting, and the installation is dismantled efficiently, has guaranteed installer's safety simultaneously. In addition, the light gantry type hoisting device for the maintenance of the compressor also has the advantages of simple structure, easy realization, convenient use and reliable work.

The invention further provides an installation method of the light gantry type hoisting device for maintaining the compressor.

In the preferred embodiment, the installation method of the light gantry type hoisting device for compressor maintenance comprises the following steps:

Moving each part of the left support to the side sub-base of the main machine body, and connecting each part of the left support;

Manually and preliminarily moving the main cross beam to the inner side of the unit to be maintained to be transversely placed;

Manually positioning a right support at one end of the main beam preliminarily, assembling the right support, and connecting the main beam and the right support through a rotating shaft;

the two right supporting legs of the right support are gradually drawn together by the cooperation of a plurality of persons through the soft rope, so that the right end of the main beam is continuously raised, and after the right supporting legs move in place, a long lacing wire is arranged between the two right supporting legs and studs at the two ends of the long lacing wire are screwed tightly;

After the left end of the main beam is manually jacked up, the left end of the main beam is erected on the short beam, and the main beam and the short beam are fastened.

the installation method of the light gantry type hoisting device for compressor maintenance provided by the invention can be used for carrying out manual installation, erection, disassembly and transportation under the condition of using less manpower, the assembly and erection processes are simple and convenient to operate, the assembly and disassembly efficiency is high, and meanwhile, the safety of installation personnel is ensured.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.