CN214989732U

CN214989732U - Overhauling tool

Info

Publication number: CN214989732U
Application number: CN202120178669.5U
Authority: CN
Inventors: 高维刚; 张雷; 叶凯伦; 杨怀; 杜鹏; 樊凯凯; 俞中围; 钱吉明; 王凯; 黄沧沧
Original assignee: CNOOC Zhejiang Ningbo LNG Co Ltd
Current assignee: CNOOC Zhejiang Ningbo LNG Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-12-03
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an overhaul frock relates to the air compressor machine and overhauls technical field. The overhaul tool comprises a connecting portion and a hoisting portion, wherein the connecting portion is fixedly connected with the hoisting portion, the connecting portion can be fixedly connected with an end cover, the end cover is rotatably connected with a main shaft, hoisting holes are formed in the hoisting portion, and when the overhaul tool is hoisted, the hoisting holes and the center of gravity of the end cover and the center of gravity of the main shaft are located on the same plumb line. During hoisting, the connecting part is fixedly connected with the end cover, the hoisting part is hoisted through the hoisting hole, and during hoisting, the hoisting hole, the end cover and the center of gravity of the main shaft are positioned on the same plumb line, so that the end cover and the main shaft are integrally disassembled and assembled, and overhaul by maintainers is facilitated. The utility model discloses a local dismouting to the air compressor machine has reduced maintenance work load, improves maintenance efficiency, makes the focus of hole for hoist and mount and end cover and main shaft be located same plumb line simultaneously, both realizes steady hoist and mount, and the perpendicular installation of the end cover of being convenient for again, main shaft and host computer box has improved installation quality and efficiency.

Description

Overhauling tool

Technical Field

The utility model relates to a press overhauls technical field, especially relates to an overhaul frock.

Background

At present, a main shaft of an air compressor is connected with an end cover through a rolling bearing, and the end cover and a main machine shell are positioned by adopting a spigot and fixed through bolts. The main shaft maintenance needs to integrally lift the air compressor out of a factory and then detach and maintain the air compressor, the air compressor is disassembled in the factory (crane), the main machine box body is horizontally placed, and the main shaft (the main shaft and the end cover part) is integrally detached to maintain. But because the field condition limits, the loop wheel machine can not be installed in the factory building, the fork truck can not enter, the whole work load of hanging out is large, the implementation is difficult, the overhaul time is prolonged, and the problems of production operation risk, maintenance cost increase and the like are caused.

Accordingly, there is a need for an overhaul tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhaul frock has realized the local dismouting to the air compressor machine, has reduced maintenance work load, improves maintenance efficiency, realizes steady hoist and mount, and the perpendicular installation of the end cover of being convenient for, main shaft and host computer box has improved installation quality and efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an overhaul tool, includes connecting portion and hoist and mount portion, connecting portion with hoist and mount portion fixed connection, connecting portion can with end cover fixed connection, end cover and main shaft rotatable coupling, be equipped with the hole for hoist and mount in the portion, during the lift by crane, the hole for hoist with the end cover with the focus of main shaft is located same plumb line.

Optionally, a reduction gear is connected to the main shaft, the hoisting hole is formed in one end, away from the connecting portion, of the hoisting portion, and the hoisting hole and the reduction gear are located on the same side of the end cover.

Optionally, the hoisting part is a C-shaped plate or an L-shaped plate.

Optionally, the connecting portion is an arc-shaped plate, and the radian of the connecting portion is matched with the edge radian of the end cover.

Optionally, the overhaul tool further comprises a fastener, a fixing hole is formed in the connecting portion, and the fastener penetrates through the fixing hole and is fixedly connected with the end cover.

Optionally, the fastener is a bolt, a threaded hole is formed in the end cover, and one end of the bolt penetrates through the fixing hole and is fixed in the threaded hole in a threaded manner.

Optionally, the fixing holes, the threaded holes and the bolts are respectively provided with two, and the two fixing holes, the two threaded holes and the two bolts are respectively arranged in a one-to-one correspondence manner.

Optionally, the fixed orifices are provided with a plurality of groups, the hoisting holes are provided with a plurality of groups, and the fixed orifices and the hoisting holes are correspondingly arranged in a one-to-one manner so as to hoist the end covers with different sizes.

Optionally, the connecting part and the hoisting part are welded and fixed.

Optionally, the overhaul tool further comprises a lifting rope or a lifting chain, and the lifting rope or the lifting chain is arranged on the lifting hole in a penetrating mode.

The utility model has the advantages that:

during hoisting, the connecting part is fixedly connected with the end cover, the hoisting part is hoisted through the hoisting hole, and during hoisting, the hoisting hole, the end cover and the center of gravity of the main shaft are positioned on the same plumb line, so that the end cover and the main shaft are integrally disassembled and assembled, and overhaul by maintainers is facilitated. The utility model discloses a local dismouting to the air compressor machine has reduced maintenance work load, improves maintenance efficiency, makes the focus of hole for hoist and mount and end cover and main shaft be located same plumb line simultaneously, both realizes steady hoist and mount, and the perpendicular installation of the end cover of being convenient for again, main shaft and host computer box has improved installation quality and efficiency.

Drawings

Fig. 1 is a schematic view of a disassembled structure of an overhaul tool provided by an embodiment of the present invention;

fig. 2 is an overall structure schematic diagram of an overhaul tool provided by the embodiment of the utility model.

In the figure:

10. an end cap; 101. a threaded hole; 20. a main shaft; 30. a reduction gear; 40. a rolling bearing;

1. a connecting portion; 11. a fixing hole;

2. a hoisting part; 21. hoisting holes;

3. a fastener.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, 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 the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides an overhaul frock, as shown in fig. 1 and fig. 2, should overhaul the frock and include connecting portion 1 and hoist and mount portion 2, connecting portion 1 and hoist and mount portion 2 fixed connection, connecting portion 1 can with end cover 10 fixed connection, end cover 10 and main shaft 20 rotatable coupling are equipped with hole for hoist 21 on the hoist and mount portion 2, when lifting by crane, hole for hoist 21 and end cover 10 and main shaft 20's focus are located same plumb line.

During hoisting, the connecting part 1 is fixedly connected with the end cover 10, the hoisting part 2 is hoisted through the hoisting hole 21, and during hoisting, the center of gravity of the hoisting hole 21, the end cover 10 and the main shaft 20 are positioned on the same plumb line, so that the end cover 10 and the main shaft 20 are integrally disassembled and assembled, and overhaul by a maintainer is facilitated. The utility model discloses a local dismouting to the air compressor machine has reduced maintenance work load, improves maintenance efficiency, makes the focus of hole for hoist 21 and end cover 10 and main shaft 20 be located same plumb line simultaneously, both realizes steady hoist and mount, and the installation of the end cover 10 of being convenient for again, main shaft 20 and host computer box has improved installation quality and efficiency.

In the present embodiment, the end cap 10 is rotatably connected to the main shaft 20 via a rolling bearing 40. Further, a reduction gear 30 is connected to the main shaft 20 to realize power transmission, so that the air compressor can normally work. In other embodiments, of course, the maintenance tool may also be used to hoist other parts to be maintained, which is not limited to this embodiment. Further, the end cap 10 is provided with a plurality of threaded holes 101 to facilitate the threaded fastening with the main casing of the air compressor. A plurality of threaded holes 101 are circumferentially spaced along the end cap 10.

Optionally, the connecting portion 1 is an arc-shaped plate, and the radian of the arc-shaped plate matches with the edge radian of the end cover 10. This can increase the contact fixing area between the connection portion 1 and the end cap 10, thereby improving the connection stability. Be equipped with fixed orifices 11 on connecting portion 1, in this embodiment, fixed orifices 11 are equipped with two, and two fixed orifices 11 are located the both ends of arc relatively respectively to fix the arc both sides. In other embodiments, the number of the fixing holes 11 may be set according to the requirement, and is not limited to this embodiment.

Further for realizing the fixed connection of connecting portion 1 and end cover 10, above-mentioned maintenance frock still includes fastener 3, and fastener 3 wears to establish fixed orifices 11 and end cover 10 fixed connection. Optionally, the fastener 3 is a bolt, and one end of the bolt is threaded through the fixing hole 11 and fixed in the threaded hole 101. During maintenance hoisting, the threaded hole 101 in the end cover 10 corresponding to the bolt is firstly disassembled, and the bolt penetrates through the threaded hole 101 in the fixing hole 11 and is correspondingly screwed into the threaded hole 101 in the end cover 10, so that holes do not need to be additionally formed in the end cover 10, the process is saved, and the end cover 10 cannot be damaged. The maintenance finishes, during the equipment hoist and mount, hoist and mount the end cover 10 earlier to the mounted position department that corresponds with the host computer box of air compressor machine, utilize the screw hole 101 that fastener 3 did not occupy on the end cover 10 to fix end cover 10 with all the other positions of host computer box, dismantle fastener 3 at last and make connecting portion 1 and end cover 10 separation, reuse screw hole 101 of fastener 3 department to carry out last fixed, whole process is simple, reliable to end cover 10 and host computer box.

In this embodiment, the fixing holes 11, the threaded holes 101, and the fasteners 3 are respectively provided with two, and the two fixing holes 11, the two threaded holes 101, and the two fasteners 3 are respectively provided in a one-to-one correspondence manner to fix the end cap 10 to the connecting portion 1. In other embodiments, the number of the threaded holes 101 and the number of the fastening members 3 are correspondingly set according to the number of the fixing holes 11, and is not limited to the embodiment.

Optionally, the hoisting part 2 is a C-shaped plate or an L-shaped plate, the hoisting hole 21 is disposed at one end of the C-shaped plate or the L-shaped plate away from the connecting part 1, and the hoisting hole 21 and the reduction gear 30 are located at the same side of the end cover 10. Because reduction gear 30 can make the focus of end cover 10 and main shaft 20 incline to one side of reduction gear 30, locate the focus skew that can compensate by reduction gear 30 by the homonymy of end cover 10 with hole for hoist 21 and reduction gear 30 for during hoist and mount, the focus of hole for hoist 21 and whole (end cover 10, main shaft 20 and reduction gear 30) is located same plumb line, and the lifting force is located same vertical line so that the dismouting of end cover 10 with gravity promptly.

Further, the position of the lifting hole 21 can be selected by, but is not limited to, the following ways: firstly, hoisting the end cover 10, the main shaft 20 and the reduction gear 30 by using a maintenance tool (binding the hoisting part 2 by using a rope because the hoisting hole 21 does not exist), observing whether the reduction gear 30 is in a vertical state (namely whether the axial lead of the reduction gear 30 is parallel to a horizontal line), if so, determining that the binding position of the rope and the hoisting part 2 is the opening position of the hoisting hole 21, and if not, adjusting the binding position of the rope and the hoisting part 2 until the reduction gear 30 is in a vertical state, so that the opening position of the hoisting hole 21 can be determined, and the operation requirement of vertical installation is met.

Optionally, further for improving the adaptability of this fitment frock, above-mentioned fixed orifices 11 is equipped with the multiunit, and lifting hole 21 is equipped with a plurality ofly, and multiunit fixed orifices 11 sets up with a plurality of lifting hole 21 one-to-one in order to hoist not unidimensional end cover 10. The corresponding fixing holes 11 and the corresponding hoisting holes 21 are selected according to the size of the end cover 10 to be hoisted, so that hoisting maintenance is realized, the integrated structure is multipurpose, and the adaptability is strong.

Optionally, the maintenance tool further includes a lifting rope or a lifting chain, and the lifting rope or the lifting chain is inserted into the lifting hole 21 to lift the end cover 10, the main shaft 20, and the reduction gear 30.

To sum up, the embodiment of the utility model provides a pair of overhaul tool, during the hoist and mount, with connecting portion 1 and end cover 10 fixed connection, lift by crane hoist and mount portion 2 through hole for hoist 21, when lifting by crane, hole for hoist 21 and end cover 10 and main shaft 20's focus are located same plumb line to wholly carry out the dismouting, the maintainer of being convenient for overhauls end cover 10 and main shaft 20. The utility model discloses a local dismouting to the air compressor machine has reduced maintenance work load, improves maintenance efficiency, makes the focus of hole for hoist 21 and end cover 10 and main shaft 20 be located same plumb line simultaneously, both realizes steady hoist and mount, and the installation of the end cover 10 of being convenient for again, main shaft 20 and host computer box has improved installation quality and efficiency.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an overhaul tool, its characterized in that, includes connecting portion (1) and hoist and mount portion (2), connecting portion (1) with hoist and mount portion (2) fixed connection, connecting portion (1) can with end cover (10) fixed connection, end cover (10) and main shaft (20) rotatable coupling, be equipped with hole for hoist (21) on hoist and mount portion (2), when lifting by crane, hole for hoist (21) with end cover (10) with the focus of main shaft (20) is located same plumb line.

2. The overhaul tool according to claim 1, wherein a reduction gear (30) is connected to the main shaft (20), the hoisting hole (21) is formed in one end, far away from the connecting portion (1), of the hoisting portion (2), and the hoisting hole (21) and the reduction gear (30) are located on the same side of the end cover (10).

3. The overhaul tool according to claim 2, wherein the hoisting part (2) is a C-shaped plate or an L-shaped plate.

4. The overhaul tool according to claim 1, wherein the connecting portion (1) is an arc-shaped plate, and the radian of the arc-shaped plate is matched with the radian of the edge of the end cover (10).

5. The overhaul tool according to claim 4, further comprising a fastener (3), wherein a fixing hole (11) is formed in the connecting portion (1), and the fastener (3) penetrates through the fixing hole (11) and is fixedly connected with the end cover (10).

6. The overhaul tool according to claim 5, wherein the fastener (3) is a bolt, a threaded hole (101) is formed in the end cover (10), and one end of the bolt penetrates through the fixing hole (11) and is fixed in the threaded hole (101) in a threaded manner.

7. The overhaul tool according to claim 6, wherein the number of the fixing holes (11), the number of the threaded holes (101) and the number of the fasteners (3) are two, and the two fixing holes (11), the two threaded holes (101) and the two fasteners (3) are arranged in a one-to-one correspondence manner.

8. The overhaul tool according to claim 5, wherein a plurality of groups of fixing holes (11) are provided, a plurality of hoisting holes (21) are provided, and the plurality of groups of fixing holes (11) and the plurality of hoisting holes (21) are arranged in a one-to-one correspondence manner to hoist the end covers (10) with different sizes.

9. The overhaul tool according to claim 1, wherein the connecting portion (1) and the hoisting portion (2) are welded and fixed.

10. The overhaul tool according to claim 1, further comprising a lifting rope or a lifting chain, wherein the lifting rope or the lifting chain is mounted on the lifting hole (21) in a penetrating manner.