CN220427908U

CN220427908U - Marine bent axle center Kong Chuxiu is with cleaning device that polishes

Info

Publication number: CN220427908U
Application number: CN202223581935.2U
Authority: CN
Inventors: 于健; 隋磊; 谢宏明; 黄勇; 罗新明
Original assignee: Dalian Huarui Marine Crankshaft Co ltd; Dalian Huarui Heavy Industry Group Co Ltd
Current assignee: Dalian Huarui Marine Crankshaft Co ltd; Dalian Huarui Heavy Industry Group Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2024-02-02
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a polishing and cleaning device for a marine crankshaft center Kong Chuxiu, which comprises the following components: the device comprises a pneumatic motor, a thousand impellers, a baffle, a spring gasket, a fixed nut, an extension tube, a ball valve, a clip and an air pipe; the kiloimpeller is fixed on a rotating shaft of the pneumatic motor; the baffle plate and the kiloimpeller are fixed on the rotating shaft of the pneumatic motor by the fixing nut and the spring washer; the lengthening pipe is a metal seamless steel pipe, two ends of the lengthening pipe are respectively fixed with a quick connector for a pneumatic tool, and one end of the lengthening pipe is connected with a pneumatic horse; the other end is connected with an air source; one function is to transmit air as an air pipe; the other is that the device can be used as a connecting handle of the pneumatic motor, so that the working range of the pneumatic motor is prolonged, the whole device stretches into a central hole of a crankshaft, and the device can reciprocate in the central hole while keeping the thousand impellers rotating, thereby realizing rust removal.

Description

Marine bent axle center Kong Chuxiu is with cleaning device that polishes

Technical Field

The utility model relates to the technical field of machining, in particular to a polishing and cleaning device for a marine crankshaft center Kong Chuxiu.

Background

The central position of the marine crankshaft is provided with a through central hole, the hole size phi is 150mm, the depth is 6-10 m, the hole is mainly used for hoisting products, finished products are processed in the shaft blank manufacturing stage, and then the finished products are packaged and shipped through the circulation of a plurality of processes such as component finish machining, crankshaft hot-filling, integral machining and the like. In this stage, the cutting fluid during hot-charging heating and processing all can make the rust-resistant oil in the centre bore invalid to produce the quality problem of corrosion, because the hole degree of depth size is big, the instrument can only clear up the corrosion position in the 500mm within range of both ends, inside unable clearance, and the bent axle is in diesel engine during operation, closely laminates with the tile, and tiny granule that corrosion produced falls into between the axle bush once by vibration drop, will cause the axle bush to strain, seriously influences diesel engine's steady operation.

Disclosure of Invention

According to the technical problem set forth above, a polishing and cleaning device for a marine crankshaft center Kong Chuxiu is provided.

The utility model adopts the following technical means:

a marine crankshaft center Kong Chuxiu is with cleaning device that polishes, includes: the device comprises a pneumatic motor, a thousand impellers, a baffle, a spring gasket, a fixed nut, an extension tube, a ball valve, a clip and an air pipe;

the maximum diameter size of the pneumatic motor is smaller than the size of the central hole of the crankshaft;

the kiloimpeller is fixed on a rotating shaft of the pneumatic motor, and the diameter of the kiloimpeller is equal to the aperture of a central hole of the crankshaft;

the baffle is hollow cylindrical, the inner circle of the baffle is in clearance fit with the rotating shaft of the pneumatic motor, the end face attached to the kiloimpeller is in a stepped circular shape, the middle circle is concave, and the outer circle is convex;

the baffle plate and the kiloimpeller are fixed on the rotating shaft of the pneumatic motor through the fixing nut and the spring gasket;

the lengthening pipe is a metal seamless steel pipe, two ends of the lengthening pipe are respectively fixed with a quick connector for a pneumatic tool, and one end of the lengthening pipe is connected with a pneumatic motor; the other end is connected with an air source; one function is to transmit air as an air pipe; and the second one can be used as a connecting handle of the pneumatic motor to prolong the working range of the pneumatic motor.

One end of the ball valve is connected with the extension pipe, and the other end of the ball valve is connected with the air pipe and is fixedly fastened by the clip;

the pneumatic motor is required to have sufficient power to drive the thousand impellers to rotate.

The diameter of the kiloimpeller is equal to the diameter of the central hole, the granularity of abrasive cloth on the blades of the kiloimpeller is slightly thicker, and the inner circle of the kiloimpeller is in clearance fit with the rotating shaft of the grinding machine.

Further, the method comprises the steps of,

further comprises: an extension tube holder;

the holding sleeve is sleeved on the lengthening pipe, and the sliding columns are distributed on the left side and the right side of the left symmetry of the holding sleeve and at the top point of the bottom;

one end of the sliding column is connected with the holding sleeve through threads, and the other end of the sliding column is detachably fixed with a bull's eye wheel;

the roller part of the bullseye wheel is a nylon wheel;

the rod body of the sliding column is formed by connecting a plurality of sections of cylindrical sections in a threaded manner, namely the length of the rod body of the sliding column can be adjusted through the number and the length of the cylindrical sections, the structure aims at being installed through the extension pipe retainer, so that after the device stretches into a curved center hole, an effective center position can be maintained, operators are prevented from manually lifting the device, and the situation that the center is inaccurate to find and the effect of the center Kong Chuxiu is influenced is avoided.

Compared with the prior art, the utility model has the following advantages:

1. reasonable in design, simple structure easily installs, and the manual operation degree of difficulty is low, and rust cleaning is effectual.

2. The utility model discloses a structural style that will utilize the extension pipe, extension abrasive machine length is not enough can't accomplish centre bore rust cleaning operation problem, makes product quality obtain effectively guaranteeing. For the reasons, the utility model can be widely popularized in the fields of the like.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of a baffle structure according to the present utility model.

FIG. 3 is a schematic view of the structure of the extension tube of the present utility model.

FIG. 4 is a schematic diagram of the connection structure of the ball valve, the air pipe and the clip according to the utility model.

Fig. 5 is a schematic view of the structure of the extension tube holder of the present utility model.

Fig. 6 is a schematic view of the structure of the present utility model in use.

In the figure:

1. a pneumatic motor;

2. a thousand impellers;

3. a baffle;

4. a spring washer;

5. a fixing nut;

6. an extension tube;

7. a ball valve;

8. a clip;

9. an air duct;

10. an extension tube holder;

101. a holding sleeve; 102. a sliding column; 103 bullseye wheels.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 6, the present utility model provides a polishing and cleaning device for a marine crankshaft center Kong Chuxiu, comprising: the air-powered motor 1, the kiloimpeller 2, the baffle 3, the spring washer 4, the fixing nut 5, the extension tube 6, the ball valve 7, the clip 8 and the air pipe 9;

the maximum diameter size of the pneumatic motor 1 is smaller than the size of the central hole of the crankshaft;

the kiloimpeller 2 is fixed on the rotating shaft of the pneumatic motor 1, and the diameter of the kiloimpeller is equal to the aperture of the central hole of the crankshaft;

the baffle 3 is hollow cylindrical, the inner circle of the baffle is in clearance fit with the rotating shaft of the pneumatic motor 1, the end face attached to the kiloimpeller 2 is in a stepped circular shape, the middle circle is concave, and the outer circle is convex;

the baffle plate 3 and the thousand impellers 2 are fixed on the rotating shaft of the pneumatic motor 1 by the fixing nuts 5 and the spring gaskets 4;

the lengthening pipe 6 is a metal seamless steel pipe, two ends of the lengthening pipe are respectively fixed with a quick connector for a pneumatic tool, and one end of the lengthening pipe is connected with the pneumatic motor 1; the other end is connected with an air source; one function is to transmit air as an air pipe; and the second one can be used as a connecting handle of the air motor 1 to prolong the working range of the air motor 1.

One end of the ball valve 7 is connected with the extension pipe 6, and the other end is connected with the air pipe 9 and is fixedly fastened by the clip 8;

the power of the air motor 1 needs to be large enough to drive the thousand impellers to rotate.

Further, the method comprises the steps of,

further comprises: an extension tube holder 10;

the holding sleeve 101 is sleeved on the extension tube 6, and the sliding columns 102 are distributed on the left side, the right side and the bottom vertex of the holding sleeve 101;

one end of the sliding column 102 is connected with the holding sleeve 101 through threads, and the other end of the sliding column is detachably fixed with a bull's eye wheel 103;

the roller part of the bullseye 103 is a nylon wheel;

the rod body of the sliding column 102 is formed by connecting a plurality of sections of cylindrical sections in a threaded manner, namely, the length of the rod body of the sliding column 102 can be adjusted by the number and the length of the cylindrical sections, the structure aims to achieve the effect that an effective central position is maintained after the device stretches into a central hole in a curve through the installation of an extension tube retainer, so that operators are prevented from manually lifting the device, and the situation that the center is inaccurate to find and the effect of the center Kong Chuxiu is prevented from being affected.

Example 1

The working condition of polishing and rust removal for the center hole of the 6G60ME-C type crankshaft is as follows: the total length of the crankshaft is 8695mm, extension pipe design 4.5 meters is long, during the use, two people cooperate, hold simultaneously air motor and extension pipe end, put into the bent axle centre bore with air motor, guarantee the extension pipe is the horizontality (through installation extension pipe holder 10), open the ball valve, the intercommunication air supply, the operator holds the extension pipe end at this moment can, keeps the impeller is at the downthehole reciprocating motion of centre (whole device only keeps the horizontality under the effect of extension pipe holder 10) can accomplish half the rust cleaning work of polishing, closes the ball valve, take out the device, installs the device in bent axle opposite side centre bore, and the rust cleaning work of polishing of the other half centre bore is accomplished to the same reason. After the operation, the rust in the central hole of the whole crankshaft can be completely cleaned, the quality of the central hole is obviously improved, and the hidden danger of stable operation of the diesel engine is eliminated.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a marine bent axle center Kong Chuxiu is with cleaning device that polishes which characterized in that includes: the device comprises a pneumatic motor (1), a kiloimpeller (2), a baffle (3), a spring gasket (4), a fixed nut (5), an extension tube (6), a ball valve (7), a clip (8) and an air pipe (9);

the maximum diameter size of the pneumatic motor (1) is smaller than the size of a central hole of a crankshaft;

the kiloimpeller (2) is fixed on a rotating shaft of the pneumatic motor (1), and the diameter of the kiloimpeller is equal to the aperture of a central hole of the crankshaft;

the baffle (3) is hollow cylindrical, the inner circle of the baffle is in clearance fit with the rotating shaft of the pneumatic motor (1), the end face attached to the kiloimpeller (2) is in a stepped circular shape, the middle circle is concave, and the outer circle is convex;

the baffle plate (3) and the kiloimpeller (2) are fixed on the rotating shaft of the pneumatic motor (1) by the fixing nut (5) and the spring gasket (4);

the lengthening pipe (6) is a metal seamless steel pipe, two ends of the lengthening pipe are respectively fixed with a quick connector for a pneumatic tool, and one end of the lengthening pipe is connected with the pneumatic motor (1); the other end is connected with an air source;

one end of the ball valve (7) is connected with the extension pipe (6), and the other end is connected with the air pipe (9) and is fixedly fastened by the clip (8).

2. A marine crankshaft center Kong Chuxiu grinding and cleaning apparatus according to claim 1,

further comprises: an extension tube holder (10);

the holding sleeve (101) is sleeved on the extension pipe (6) and the sliding columns (102) are distributed on the left side, the right side and the bottom top of the holding sleeve (101);

one end of the sliding column (102) is connected with the holding sleeve (101) through threads, and the other end of the sliding column is detachably fixed with the bull's eye wheel (103);

the rod body of the sliding column (102) is formed by connecting a plurality of cylindrical sections in a threaded manner, namely the length of the rod body of the sliding column (102) can be adjusted by the number and the length of the cylindrical sections.

3. A marine crankshaft center Kong Chuxiu grinding and cleaning apparatus according to claim 2,

the roller part of the bullseye wheel (103) is a nylon wheel.