Oil pan dismounting device for high-speed diesel engine

Abstract

The utility model discloses an oil pan dismounting and mounting device for a high-speed diesel engine, which comprises an upper support, a lower support and a jackscrew, the upper support is mounted on the side surface of a machine body, the lower support is mounted on an oil pan, the jackscrew penetrates through the upper support and is in threaded connection with the lower support, the upper support comprises an upper mounting plate and a transverse plate, and the transverse plate is in threaded connection with the upper mounting plate. The upper mounting plate is of a T-shaped structure, the upper mounting plate is perpendicularly connected with the transverse plate, two first unthreaded holes are symmetrically formed in the upper mounting plate, and a first through hole is formed in the transverse plate; the lower support comprises a lower mounting plate, a supporting plate and a rotating shaft, three second unthreaded holes are evenly distributed in the lower mounting plate, the supporting plate is fixedly connected with the lower mounting plate, the oil pan dismounting and mounting device for the high-speed diesel engine can improve the dismounting and mounting convenience of an oil pan, is convenient to maintain and low in cost, and greatly improves the use convenience.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engine maintenance, in particular to an oil pan disassembly and assembly device for a high-speed diesel engine. Background Art

[0002] A diesel engine is a machine that converts chemical energy into mechanical energy, and the oil pan is an important component used to seal the diesel engine. It is located at the bottom of the diesel engine and is mainly used to seal the crankcase and store engine oil. The oil pan is mostly cast from aluminum alloy, with a baffle inside to prevent the oil level from vibrating when the diesel engine is bumped. An oil dipstick is installed on the side, and an oil drain plug is installed at the lowest point of the bottom of the oil pan.

[0003] Since the oil pan of the diesel engine leaks or has other problems when it is working, maintenance personnel often have to disassemble and install the oil pan. To disassemble the oil pan, the internal oil of the diesel engine is usually drained first, and then the fastening screws around the outside of the oil pan are removed. Finally, a lifting device is used to lift the diesel engine to remove the oil pan. The disadvantage of this lifting device is that it has poor stability and is prone to cause the diesel engine to shake, posing a major safety hazard. At the same time, when performing maintenance work in certain limited spaces, the installation of the lifting device is extremely inconvenient, and the pipelines of the diesel engine need to be removed. The operation is time-consuming and labor-intensive, and inefficient, resulting in increased maintenance costs. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an oil pan disassembly and assembly device for a high-speed diesel engine, which can improve the convenience of disassembly and assembly of the oil pan, facilitate maintenance, and have low cost, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil pan disassembly and assembly device for a high-speed diesel engine, comprising an upper bracket, a lower bracket and a top screw, wherein the upper bracket is mounted on the side of the engine body, the lower bracket is mounted on the oil pan, and the top screw passes through the upper bracket and is threadedly connected to the lower bracket.

[0006] As a preferred technical solution of the utility model, the upper bracket includes an upper mounting plate and a transverse plate, the upper mounting plate is a T-shaped structure, the upper mounting plate and the transverse plate are vertically connected, two first light holes are symmetrically arranged on the upper mounting plate, and a first through hole is arranged on the transverse plate;

[0007] The lower bracket includes a lower mounting plate, a support plate and a rotating shaft, the lower mounting plate is evenly distributed with three second light holes, the support plate is fixedly connected to the lower mounting plate, a second through hole is arranged on the support plate, the rotating shaft passes through the second through hole, a second threaded hole is arranged at one end of the rotating shaft, the top screw passes through the first through hole on the cross plate and is threadedly connected in the second threaded hole.

[0008] As a preferred technical solution of the utility model, a first threaded hole is provided at the lower end of the upper mounting plate.

[0009] As a preferred technical solution of the utility model, a pin hole is provided at the other end of the rotating shaft, a positioning pin is inserted into the pin hole, and a transition fit is formed between the positioning pin and the pin hole.

[0010] As a preferred technical solution of the utility model, a rib plate is arranged between the upper mounting plate and the transverse plate.

[0011] As a preferred technical solution of the utility model, chamfers are provided at right angles of the rib plate.

[0012] As a preferred technical solution of the utility model, a spherical washer and a conical washer are arranged in sequence from top to bottom between the head of the top screw and the cross plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the oil pan disassembly and assembly device for a high-speed diesel engine realizes the maintenance demand for convenient installation and disassembly of the diesel engine oil pan, has the characteristics of small size, light weight, etc., is easy to carry, and can quickly disassemble and install the oil pan without lifting the diesel engine, thereby improving the maintenance efficiency of the oil pan, reducing the maintenance cost of the oil pan, and improving the reliability and safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 is a structural schematic diagram of the upper bracket;

[0016] Figure 3 is a schematic diagram of the structure of the lower bracket;

[0017] Figure 4 This is a schematic diagram of the installation of the utility model.

[0018] In the figure: 1 upper bracket, 2 top screw, 3 spherical washer, 4 conical washer, 5 lower bracket, 6 positioning pin, 7 rotating shaft, 8 upper mounting plate, 9 rib plate, 10 cross plate, 11 support plate, 12 lower mounting plate, 13 first light hole, 14 first threaded hole, 15 first through hole, 16 second light hole, 17 second through hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 1Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0020] See also Figure 1-3 , the utility model provides a technical solution: an oil pan disassembly and assembly device for a high-speed diesel engine, comprising an upper bracket 1, a lower bracket 5 and a top screw 2;

[0021] The upper bracket 1 includes an upper mounting plate 8 and a horizontal plate 10. The upper mounting plate 8 is a T-shaped structure. The upper mounting plate 8 and the horizontal plate 10 are vertically connected. Two first light holes 13 are symmetrically arranged on the upper mounting plate 8. The upper mounting plate 8 is connected to the machine body by bolts passing through the first light holes 13. The horizontal plate 10 is provided with a first through hole 15.

[0022] The lower bracket 5 includes a lower mounting plate 12, a support plate 11 and a rotating shaft 7. The lower mounting plate 12 is evenly distributed with three second light holes 16, which are connected to the threaded holes at the corresponding positions of the oil pan by bolts passing through the second light holes 16. In order to facilitate the installation of the lower mounting plate 12 and the corresponding positions of the oil pan, the lower mounting plate 12 is circular in shape, and the second light holes 16 are evenly arranged along the circumferential direction of the lower mounting plate 12. The support plate 11 is fixedly connected to the lower mounting plate 12. A second through hole 17 is provided on the support plate 11, and the rotating shaft 7 passes through the second through hole 17. A second threaded hole is provided at one end of the rotating shaft 7, and the top screw 2 passes through the first through hole 15 on the cross plate 10 and is threadedly connected in the second threaded hole.

[0023] Furthermore, in order to improve the connection stability between the upper mounting plate 8 and the machine body, a first threaded hole 14 is provided at the lower end of the upper mounting plate 8. Bolts are screwed into the first threaded hole 14 to contact the surface of the machine body, thereby improving the connection stability through three-point support.

[0024] In order to prevent the rotating shaft 7 from sliding down, a pin hole is opened at the other end of the rotating shaft 7, and a positioning pin 6 is inserted into the pin hole. The positioning pin 6 and the pin hole are in transition fit.

[0025] Furthermore, in order to increase the connection strength between the upper mounting plate 8 and the transverse plate 10 , a rib plate 9 is provided between the upper mounting plate 8 and the transverse plate 10 .

[0026] In order to avoid the weld, chamfers are provided at right angles of the rib plate 9 .

[0027] In order to increase the contact area between the top screw 2 and the cross plate 10, a spherical washer 3 and a conical washer 4 are arranged in sequence from top to bottom between the head of the top screw 2 and the cross plate 10.

[0028] like Figure 4When in use: two devices are arranged on both sides of the machine body, and connected to the machine body through two M12 bolts passing through the two first light holes 13 on the upper mounting plate 8, and an M10 bolt is screwed into the first threaded hole 14, and screwed until it contacts the surface of the machine body, and connected to the oil pan through three M8 bolts passing through the three second light holes 16 on the lower mounting plate 12, and the rotating shaft 7 is inserted into the second through hole 17 on the supporting plate 11, and one end of the rotating shaft 7 is inserted into the pin hole on the rotating shaft 7 through the positioning pin 6, and the axial and radial positions of the rotating shaft 7 are adjusted so that the second threaded hole on the rotating shaft 7 is aligned with the center of the first through hole 15 on the horizontal plate 10, and the top screw 2 passes through the first through hole 15 and is screwed into the second threaded hole at the other end of the rotating shaft 7;

[0029] When installing the oil pan, the top screws 2 on the left and right sides of the diesel engine are rotated synchronously and evenly to move the lower bracket 5 of the device upward, and at the same time drive the oil pan to rise slowly until the oil pan contacts the mounting surface of the engine body, and fix the oil pan to the engine body through the oil pan bolts, and finally remove the device; when removing the oil pan, first drain the oil in the oil pan, remove the oil pan bolts, at this time the oil pan is hung on the top screws 2, and the top screws 2 on both sides of the diesel engine are rotated synchronously and evenly in the opposite direction to disengage the oil pan from the engine body until the oil pan falls on the bracket, remove the device, and complete the removal of the oil pan.

[0030] The utility model can quickly disassemble and install the oil pan without lifting the diesel engine, which saves time and labor, improves disassembly efficiency, reduces maintenance costs, and greatly improves convenience of use, especially when operating in a limited space.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed diesel engine oil pan disassembly and assembly device, characterized in that: It comprises an upper bracket (1), a lower bracket (5) and a top screw (2), wherein the upper bracket (1) is mounted on the side of the machine body, the lower bracket (5) is mounted on the oil pan, and the top screw (2) passes through the upper bracket (1) and is threadedly connected to the lower bracket (5); The upper bracket (1) comprises an upper mounting plate (8) and a transverse plate (10); the upper mounting plate (8) is a T-shaped structure; the upper mounting plate (8) and the transverse plate (10) are vertically connected; two first light holes (13) are symmetrically arranged on the upper mounting plate (8); and a first through hole (15) is arranged on the transverse plate (10); The lower bracket (5) comprises a lower mounting plate (12), a support plate (11) and a rotating shaft (7); three second light holes (16) are evenly distributed on the lower mounting plate (12); the support plate (11) is fixedly connected to the lower mounting plate (12); a second through hole (17) is provided on the support plate (11); the rotating shaft (7) passes through the second through hole (17); a second threaded hole is provided at one end of the rotating shaft (7); the top screw (2) passes through the first through hole (15) on the cross plate (10) and is threadedly connected in the second threaded hole.

2. The oil pan disassembly and assembly device for a high-speed diesel engine according to claim 1, characterized in that: A first threaded hole (14) is provided at the lower end of the upper mounting plate (8).

3. The oil pan disassembly and assembly device for a high-speed diesel engine according to claim 1, characterized in that: A pin hole is formed at the other end of the rotating shaft (7), a positioning pin (6) is inserted into the pin hole, and a transition fit is formed between the positioning pin (6) and the pin hole.

4. The oil pan disassembly and assembly device for a high-speed diesel engine according to claim 1, characterized in that: A rib plate (9) is provided between the upper mounting plate (8) and the transverse plate (10).

5. The oil pan disassembly and assembly device for a high-speed diesel engine according to claim 4, characterized in that: The right angles of the rib plate (9) are provided with chamfers.

6. The oil pan disassembly and assembly device for a high-speed diesel engine according to claim 1, characterized in that: A spherical washer (3) and a conical washer (4) are arranged in sequence from top to bottom between the head of the top screw (2) and the cross plate (10).

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