Height adjusting tool for piston cooling oil discharge pipe of marine diesel engine

Abstract

The utility model belongs to the field of height adjustment of cooling oil drainage pipes, and relates to a height adjustment tool for a piston cooling oil drainage pipe of a marine diesel engine. A height adjusting tool for a piston cooling oil discharge pipe of a marine diesel engine is characterized in that an adjusting hole (9) is aligned to a positioning hole (10) of an outer pipe (2) by pulling an inner pipe (3) up and down, and the outer pipe (2) and the inner pipe (3) are fixed through a plug pin (4) and a nut (5); a flange (6) is arranged at the upper part of the inner pipe (3); an adjusting screw rod (7) is fixedly connected with an adjusting support seat (8); and the height of the supporting seat (8) is adjusted by rotating the adjusting screw rod (7). The device has the beneficial effects that the device is applied to adjustment of large-size positions of piston cooling oil drainage pipes of different types of diesel engines, and the height adjustment precision and efficiency of the piston cooling oil drainage pipes of the marine diesel engines are improved.

Description

Technical Field

[0001] The invention belongs to the field of height adjustment tooling and relates to a height adjustment tooling for a marine diesel engine piston cooling oil drain pipe. Background Art

[0002] When a marine low-speed diesel engine is constructed at a manufacturer, a piston cooling oil drain pipe is installed. The positioning dimensions of the piston cooling oil drain pipe are different for different diesel engine models.

[0003] The existing marine diesel engine piston cooling oil drain is manually lifted, which is inefficient, the size cannot be guaranteed, time-consuming and labor-intensive, and subsequent adjustments waste a lot of time and cost. The support and adjustment of different types of diesel engine piston cooling oil drain pipes are unstable, inefficient, low-precision, and have safety hazards. Summary of the invention

[0004] The present invention aims to solve the problem that the prior art of the discharge of the cooling oil of the piston of a marine diesel engine is manual lifting, which is inefficient, the size cannot be guaranteed, and the subsequent adjustment wastes a lot of time and cost. The problem that the through support and adjustment efficiency and precision of the piston cooling oil discharge pipe of diesel engines of different models are low, a height adjustment tool for the piston cooling oil discharge pipe of a marine diesel engine is proposed, which is characterized by comprising a base, an outer tube, an inner tube, a latch, a nut, a flange, an adjustment screw and a support seat, the base is provided with an outer tube, the inner tube is provided with adjustment holes evenly distributed along the radial direction, and the outer tube is provided with positioning holes evenly distributed up and down; the adjustment hole is aligned with the positioning hole of the outer tube by pulling the inner tube up and down, and the outer tube and the inner tube are fixed by latches and nuts; a flange is provided on the upper part of the inner tube, and a threaded hole is provided on the flange, the flange is matched with the adjusting screw thread through the threaded hole, and the adjusting screw is fixedly connected to the adjusting support seat; the height of the support seat is adjusted by rotating the adjusting screw.

[0005] According to the above-mentioned height adjustment tool for the marine diesel engine piston cooling oil drain pipe, it is characterized in that the positioning holes distributed along the radial direction of the outer pipe are two through holes.

[0006] According to the above-mentioned height adjustment tool for the marine diesel engine piston cooling oil drain pipe, it is characterized in that the spacing of the positioning holes of the outer pipe is 3mm-8mm, and the radius of the positioning holes is 2mm-8mm.

[0007] According to the above-mentioned marine diesel engine piston cooling oil drain pipe height adjustment tool, it is characterized in that: there are 6-18 radially evenly distributed adjustment holes arranged on the inner tube, and the spacing between the adjustment holes is consistent with the spacing between the positioning holes on the outer tube; the radius of the adjustment hole is 2mm-8mm.

[0008] According to the above-mentioned marine diesel engine piston cooling oil drain pipe height adjustment tool, the feature is that the latch is two pins welded on the surface of a rectangular steel plate, and the spacing between the two pins is consistent with the spacing between the positioning holes on the outer tube.

[0009] According to the above-mentioned marine diesel engine piston cooling oil drain pipe height adjustment tool, it is characterized in that the base is a disc-shaped structure, which is concentric with the end face of the outer tube, the base is welded to one end face of the outer tube, and the radius of the base is 30cm-80cm.

[0010] According to the above-mentioned marine diesel engine piston cooling oil drain pipe height adjustment tool, it is characterized in that the flange arranged on the upper part of the inner tube is concentric with the inner tube, the flange is welded to the upper part of the inner tube, and the radius of the flange is 20mm-80mm.

[0011] According to the above-mentioned marine diesel engine piston cooling oil drain pipe height adjustment tool, the feature is that the adjustment support seat is a disc-shaped structure, concentric with the adjustment screw, and the adjustment support seat is welded to one end of the adjustment screw.

[0012] According to the above-mentioned height adjustment tool for the marine diesel engine piston cooling oil drain pipe, the characteristics are: the radius of the outer pipe is: 10cm-50cm; the length of the outer pipe is 50cm-200cm.

[0013] According to the above-mentioned height adjustment tool for the marine diesel engine piston cooling oil drain pipe, the characteristics are: the inner pipe radius is: 8cm-48cm; the inner pipe length is 50cm-160cm.

[0014] The advantages of the present invention compared with the prior art are:

[0015] 1. The present invention provides evenly distributed adjustment holes on the inner tube, so that the inner tube can be pulled up and down to align the adjustment holes with the positioning holes on the outer tube to adjust the height of the tooling step, which is convenient for adjusting the large-size position of the piston cooling oil drain pipe of different models of diesel engines.

[0016] 2. The outer tube and the inner tube of the present invention are fixed by means of a latch and a nut, so that the tooling height can be quickly positioned and fixed, thereby improving the height adjustment efficiency of the marine diesel engine piston cooling oil drain pipe.

[0017] 3. The flange on the inner tube of the present invention cooperates with the adjusting screw. The height of the support seat is adjusted by rotating the adjusting screw, and the overall height of the tooling is fine-tuned, thereby improving the high-precision adjustment of the position of the piston cooling oil drain pipe of different models of diesel engines. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A front view of a schematic structural diagram of a tooling structure for adjusting the height of a piston cooling oil drain pipe of a marine diesel engine according to the present invention.

[0019] Figure 2 The present invention is a left view of a schematic structural diagram of a tooling structure for adjusting the height of a piston cooling oil drain pipe of a marine diesel engine.

[0020] Figure 3 A front view of a schematic diagram of a base and an outer tube of a schematic diagram of a structural diagram of a tooling for adjusting a height of a piston cooling oil drain pipe of a marine diesel engine of the present invention.

[0021] Figure 4 The present invention is a left view of a schematic diagram of a base and an outer tube of a schematic diagram of a structural diagram of a height adjustment tooling for a marine diesel engine piston cooling oil drain pipe.

[0022] In the figure: 1: base; 2: outer tube; 3: inner tube; 4: pin; 5: nut; 6: flange; 7: adjusting screw and 8: support seat; 9: adjusting hole; 10: positioning hole. DETAILED DESCRIPTION

[0023] Preferred Embodiments

[0024] A height adjustment tool for a marine diesel engine piston cooling oil drain pipe, characterized in that it comprises a base 1, an outer tube 2, an inner tube 3, a latch 4, a nut 5, a flange 6, an adjusting screw 7 and a support seat 8, wherein the base 1 is provided with an outer tube 2, the inner tube 3 is provided with adjusting holes 9 uniformly distributed along the radial direction, and the outer tube 2 is provided with positioning holes 10 uniformly distributed up and down; the adjusting holes 9 are aligned with the positioning holes 10 of the outer tube 2 by pulling the inner tube 3 up and down, and the outer tube 2 and the inner tube 3 are fixed by the latch 4 and the nut 5; a flange 6 is provided on the upper part of the inner tube 3, and a threaded hole is provided on the flange 6, and the flange 6 is threadedly matched with the adjusting screw 7 through the threaded hole, and the adjusting screw 7 is fixedly connected to the adjusting support seat 8; the height of the support seat 8 is adjusted by rotating the adjusting screw 7.

[0025] The positioning holes 10 distributed along the radial direction of the outer tube 2 are two through holes.

[0026] The spacing between the positioning holes 10 of the outer tube 2 is 3 mm-8 mm, and the radius of the positioning holes 10 is 2 mm-8 mm.

[0027] There are 6 to 18 radially evenly distributed adjustment holes 9 on the inner tube 3 , and the spacing between the adjustment holes 9 is consistent with the spacing between the positioning holes 10 on the outer tube 2 ; the radius of the adjustment holes 9 is 2 mm to 8 mm.

[0028] The latch pin 4 is formed by welding two pins on the surface of a rectangular steel plate, and the spacing between the two pins is consistent with the spacing between the positioning holes 10 on the outer tube 2 .

[0029] The base 1 is a disc-shaped structure, which is concentric with the end face of the outer tube 2. The base 1 is welded to one end face of the outer tube 2, and the radius of the base 1 is 30 cm-80 cm.

[0030] The flange 6 arranged on the upper part of the inner tube 3 is concentric with the inner tube 3 , the flange 6 is welded to the upper part of the inner tube 3 , and the radius of the flange 6 is 20 mm-80 mm.

[0031] The adjusting support seat 8 is a disc-shaped structure, which is concentric with the adjusting screw 7 , and the adjusting support seat 8 is welded to one end of the adjusting screw 7 .

[0032] The radius of the outer tube 2 is 10 cm-50 cm; the length of the outer tube 2 is 50 cm-200 cm.

[0033] The radius of the inner tube 3 is 8 cm-48 cm; the length of the inner tube 3 is 50 cm-160 cm.

[0034] The outer tube 2 and the inner tube 3 are fixed by the latch 4 and the nut 5. The inner tube 3 is provided with evenly distributed adjustment holes 9. The inner tube 3 can be pulled up and down to align the adjustment holes 9 with the positioning holes 10 of the outer tube 2 to adjust the height; the flange 6 on the inner tube cooperates with the adjustment screw 7, and the height of the support seat 8 is adjusted by rotating the adjustment screw 7 to fine-tune the overall height of the tooling. The support seat 8 is against the bottom of the piston cooling oil drain pipe to adjust its installation position. With this tooling, it is easy to adapt to the installation and adjustment of the piston cooling oil drain pipe of marine low-speed diesel engines of various cylinder diameters, improve construction safety and efficiency, ensure accurate dimensions, save manufacturing labor costs, and reduce safety hazards. This device is suitable for use when installing piston cooling oil drain pipes of marine low-speed diesel engines of various cylinder diameters, effectively solving the problem of no support adjustment tooling for the piston cooling oil drain pipe, and improving the scope of application of the tooling.

Claims

1. A height adjustment tool for a marine diesel engine piston cooling oil drain pipe, characterized in that: The invention comprises a base (1), an outer tube (2), an inner tube (3), a latch (4), a nut (5), a flange (6), an adjusting screw (7) and a support seat (8); the base (1) is provided with an outer tube (2); the inner tube (3) is provided with adjusting holes (9) evenly distributed in the radial direction; the outer tube (2) is provided with positioning holes (10) evenly distributed up and down; the adjusting holes (9) are aligned with the positioning holes (10) of the outer tube (2) by pulling the inner tube (3) up and down; the outer tube (2) and the inner tube (3) are fixed by the latch (4) and the nut (5); a flange (6) is provided on the upper part of the inner tube (3); a threaded hole is provided on the flange (6); the flange (6) is threadedly matched with the adjusting screw (7) through the threaded hole; the adjusting screw (7) is fixedly connected to the adjusting support seat (8); the height of the support seat (8) is adjusted by rotating the adjusting screw (7).

2. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 1 is characterized in that: The positioning holes (10) distributed along the radial direction of the outer tube (2) are two through holes.

3. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 2 is characterized in that: The spacing between the positioning holes (10) of the outer tube (2) is 3 mm to 8 mm, and the radius of the positioning holes (10) is 2 mm to 8 mm.

4. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 3 is characterized in that: The inner tube (3) is provided with 6 to 18 radially evenly distributed adjustment holes (9), the spacing between the adjustment holes (9) being consistent with the spacing between the positioning holes (10) on the outer tube (2); and the radius of the adjustment holes (9) is 2 mm to 8 mm.

5. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 4 is characterized in that: The latch pin (4) is formed by welding two pins on the surface of a rectangular steel plate, and the spacing between the two pins is consistent with the spacing between the positioning holes (10) on the outer tube (2).

6. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 1 or 5, characterized in that: The base (1) is a disc-shaped structure, which is concentric with the end face of the outer tube (2). The base (1) is welded to one end face of the outer tube (2), and the radius of the base (1) is 30 cm-80 cm.

7. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 6 is characterized in that: The flange (6) arranged on the upper part of the inner tube (3) is concentric with the inner tube (3), the flange (6) is welded to the upper part of the inner tube (3), and the radius of the flange (6) is 20 mm-80 mm.

8. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 7 is characterized in that: The adjusting support seat (8) is a disc-shaped structure, which is concentric with the adjusting screw rod (7). The adjusting support seat (8) is welded to one end of the adjusting screw rod (7).

9. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 1 or 8, characterized in that: The radius of the outer tube (2) is 10 cm to 50 cm; the length of the outer tube (2) is 50 cm to 200 cm.

10. The height adjustment tool for the marine diesel engine piston cooling oil drain pipe according to claim 1 or 8, characterized in that: The radius of the inner tube (3) is 8 cm to 48 cm; the length of the inner tube (3) is 50 cm to 160 cm.

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