CN210269065U

CN210269065U - Equipment for pressurizing and leakage testing of oil circuit in inner cavity of civil ship crankshaft

Info

Publication number: CN210269065U
Application number: CN201921371054.3U
Authority: CN
Inventors: 李秀峰; 王纯宏
Original assignee: Dalian Xinke Crankshaft Repair Co Ltd
Current assignee: Dalian Xinke Crankshaft Repair Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-04-07
Anticipated expiration: 2029-08-22

Abstract

A device for pressing and leakage testing of an oil circuit in an inner cavity of a crankshaft of a civil ship belongs to the field of processing equipment of crankshafts of civil ships. Comprises a box body, a bracket and a clamping ring; a support plate is arranged on one side of the box body, a motor, an oil pump, a hydraulic valve and a hydraulic meter which are sequentially connected are mounted on the support plate, a plurality of slide rails are arranged on the bottom surface of a working groove enclosed by the box body, a support is mounted on the slide rails, and rollers are respectively arranged at two ends of the top of the support; the snap ring is the semicircle annular structure, and the snap ring both ends are equipped with adjusting bolt respectively, are equipped with the stifled pad of rubber on the adjusting bolt, and adjusting bolt one end joint has toper oil to block up. The utility model discloses a snap ring can be fast convenient plug up the bent axle oilhole, and various bent axles are conveniently placed and the rotation bent axle of being convenient for to mobilizable support, are convenient for suppress the leakage test.

Description

Equipment for pressurizing and leakage testing of oil circuit in inner cavity of civil ship crankshaft

Technical Field

The utility model relates to a civil ship bent axle processing equipment field especially relates to an equipment for giving civil ship bent axle inner chamber oil circuit and suppress the leakage test.

Background

The crankshaft is an important rotating part of a civil ship engine, a crankshaft connecting rod neck drives a piston to move in a cylinder body to realize power output, and the crankshaft is a typical crank block mechanism; the lubrication of the crankshaft mainly refers to the lubrication of a bearing bush of a big end of a connecting rod and a connecting rod neck of the crankshaft and the lubrication of fixed points at two ends, and if the lubrication is poor, the crankshaft and other parts of the engine are scrapped, so the sealing test of an inner cavity lubricating oil way during the production and repair of the crankshaft is particularly important; at present, both domestic crankshaft professional production and large and medium-sized maintenance manufacturers use a common oil pressure testing machine for integral pressing, the pressing leakage testing efficiency is low, the passing rate of one-time pressure testing is low, and the requirement of quick and accurate pressing leakage testing cannot be met; at present, a special sealing copper plug is required to be adopted when a crankshaft is pressed for leakage test, the copper plug and a rubber mat are pressed by a bidirectional pressing plate, the operation is complex during pressure test, clamping is time-consuming and labor-consuming, the labor intensity of workers is high, the crankshaft cannot rotate, leakage points during pressure test are difficult to discover, and failure of pressure test leakage test is easy to occur.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the operation of the current crankshaft pressurizing leakage test equipment is complicated and is difficult to find the leak source, the utility model provides an equipment for pressurizing leakage test for the oil circuit of the crankshaft inner cavity of a civil ship.

In order to achieve the above object, the utility model adopts the following technical scheme: a device for pressing and leakage testing of an oil circuit in an inner cavity of a crankshaft of a civil ship comprises a box body, a bracket and a clamping ring; a support plate is arranged on one side of the box body, a motor, an oil pump, a hydraulic valve and a hydraulic meter which are sequentially connected are mounted on the support plate, a plurality of slide rails are arranged on the bottom surface of a working groove enclosed by the box body, a support is mounted on the slide rails, and rollers are respectively arranged at two ends of the top of the support; the snap ring is the semicircle annular structure, and the snap ring both ends are equipped with adjusting bolt respectively, are equipped with the stifled pad of rubber on the adjusting bolt, and adjusting bolt one end joint has toper oil to block up.

The bottom half is equipped with the batch oil tank, and the working groove bottom surface is equipped with the hole of intercommunication batch oil tank, and batch oil tank one side is equipped with the derivation valve, and the bottom half still is equipped with the stabilizer blade.

The sliding rails are arranged in parallel.

The head of the adjusting bolt is positioned on one side of the clamping ring, and the rubber plug pad and the conical oil plug are positioned on the other side of the clamping ring.

The shaft of the motor is connected with the shaft of the oil pump through a coupler, and a hydraulic valve and a hydraulic meter are sequentially installed on an oil pipe extending out of the oil pump.

The utility model has the advantages that: the snap ring can be fast convenient plug up the bent axle oilhole, and various bent axles are conveniently placed and be convenient for rotate the bent axle to mobilizable support, are convenient for suppress the leakage test.

Drawings

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

fig. 2 is a schematic view of a part of the structure of the present invention.

In the figure, 1, a box body, 2, a bracket, 3, a hydraulic gauge, 4, an oil pump, 5, a motor, 6, an oil storage tank, 7, a clamping ring, 8, an adjusting bolt, 9, a rubber blocking pad and 10, a conical oil block are arranged.

Detailed Description

A device for pressurizing and leakage testing of an oil circuit in an inner cavity of a crankshaft of a civil ship comprises a box body 1, a bracket 2 and a clamping ring 7; a supporting plate is arranged on one side of the box body 1, a motor 5, an oil pump 4, a hydraulic valve and a hydraulic gauge 3 which are sequentially connected are installed on the supporting bar, a plurality of T-shaped slide rails are arranged on the bottom surface of a working groove enclosed by the box body 1, the distance between the slide rails is 2-3M, a support 2 is installed on the slide rails, rollers are respectively arranged at two ends of the top of the support 2, the rollers are located in grooves at two ends of the top of the support 2 and are connected through shafts, and the preferred rollers are nylon wheels with the diameter of 120 mm; the clamping ring 7 is of a semicircular structure, adjusting bolts 8 are arranged at two ends of the clamping ring 7 respectively, rubber blocking pads 9 are arranged on the adjusting bolts 8, and conical oil plugs 10 are clamped at one ends of the adjusting bolts 8.

The bottom of the box body 1 is provided with an oil storage tank 6, the bottom surface of the working groove is provided with a hole communicated with the oil storage tank 6, one side of the oil storage tank 6 is provided with a lead-out valve, and the bottom of the box body 1 is also provided with support legs.

The sliding rails are arranged in parallel.

The head of the adjusting bolt 8 is positioned on one side of the clamping ring 7, and the rubber plug pad 9 and the conical oil plug 10 are positioned on the other side of the clamping ring 7.

The shaft of the motor 5 is connected with the shaft of the oil pump 4 through a coupler, a hydraulic valve and a hydraulic gauge 3 are sequentially installed on an oil pipe extending out of the oil pump 4, and the oil pump 4 adopts a hydraulic vane pump.

When the crankshaft oil plugging device is used, the positions of the supports 2 on the sliding rails need to be adjusted firstly, then the crankshaft is hung on the supports 2, part of shaft necks of the crankshaft are located on the two rollers at the top ends of the supports 2, so that the crankshaft can rotate on the supports 2 manually and cannot cause damage to the crankshaft, after the crankshaft is placed on the supports 2, the oil holes in the crankshaft are plugged by using the clamping rings 7, the corresponding shaft necks are placed in the clamping rings 7 firstly, then the conical oil plugs 10 on the adjusting bolts 8 at the two ends of the clamping rings 7 are plugged into the oil holes of the shaft necks, at the moment, the circular truncated cone-shaped rubber plug pads 9 are tightly attached to the oil holes, the adjusting bolts 8 at the two ends are adjusted to tightly clamp the conical oil plugs 10 and the rubber plug pads 9, after all the oil holes are plugged, the openings of the oil pipes are connected with the opening at one end of the oil path of the, the oil pressure of the oil pump 4 is regulated through the hydraulic gauge 3, and the hydraulic valve is opened to pour hydraulic oil into an oil way of the inner cavity of the crankshaft for leakage test operation; the oil overflowed during the operation flows into the working groove and is collected into the oil storage tank 6, so that the oil pollution and waste can not be caused.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.

Claims

1. The equipment for pressurizing and leakage testing of the oil circuit in the inner cavity of the crank shaft of the civil ship is characterized by comprising a box body (1), a bracket (2) and a clamping ring (7); a supporting plate is arranged on one side of the box body (1), a motor (5), an oil pump (4), a hydraulic valve and a hydraulic gauge (3) which are connected in sequence are installed on the supporting plate, a plurality of sliding rails are arranged on the bottom surface of a working groove surrounded by the box body (1), a support (2) is installed on the sliding rails, and rollers are respectively arranged at two ends of the top of the support (2); the clamping ring (7) is of a semicircular structure, the two ends of the clamping ring (7) are respectively provided with an adjusting bolt (8), the adjusting bolt (8) is provided with a rubber blocking pad (9), and one end of the adjusting bolt (8) is clamped with a conical oil plug (10).

2. The equipment for pressurizing and leakage-testing the oil circuit in the inner cavity of the crank shaft of the civil ship according to claim 1, wherein an oil storage tank (6) is arranged at the bottom of the box body (1), a hole communicated with the oil storage tank (6) is formed in the bottom surface of the working groove, a lead-out valve is arranged on one side of the oil storage tank (6), and support legs are further arranged at the bottom of the box body (1).

3. The device for pressurizing and leakage-testing an oil circuit in a crank shaft cavity of a civil ship according to claim 1, wherein the plurality of slide rails are arranged in parallel.

4. The device for pressurizing and leakage-testing the oil circuit in the inner cavity of the crank shaft of the civil ship according to claim 1, wherein the head of the adjusting bolt (8) is positioned on one side of the clamping ring (7), and the rubber plug pad (9) and the conical oil plug (10) are positioned on the other side of the clamping ring (7).

5. The device for pressurizing and leakage-testing the oil circuit in the inner cavity of the crank shaft of the civil ship according to claim 1, wherein a shaft of the motor (5) is connected with a shaft of the oil pump (4) through a coupler, and a hydraulic valve and a hydraulic gauge (3) are sequentially installed on an oil pipe extending out of the oil pump (4).