Transmission case structure of diesel engine power output oil pump

Abstract

The utility model relates to the technical field of diesel engine power output oil pump transmission case structures, and discloses a diesel engine power output oil pump transmission case structure which comprises a square box, a kidney-shaped groove is formed in the middle side of the interior of the square box, and three second gears are connected to the interior of the kidney-shaped groove in a meshed mode. Three first bearing grooves are formed in the upper portion and the lower portion of the kidney-shaped groove at equal intervals, second bearings are fixedly connected into the first bearing grooves, a first round hole is formed in the middle side of the upper portion of the square box, and second round holes are formed in the left side and the right side of the lower portion of the square box at equal intervals. In the utility model, through the interaction of the two shells at the lower part of the square box, the power shaft and the gear, liquid suction and discharge are realized by utilizing the volume change of the oil inlet hole and the oil outlet hole, and four pump sources which are not interfered with each other and have different discharge capacities are formed. When the shell goes wrong, the nut and the shaft are disassembled by means of a tool, the shell is replaced, and the problem of inconvenient disassembly is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engine power output oil pump transmission box structure, in particular to a diesel engine power output oil pump transmission box structure. Background Art

[0002] The background technology of diesel engine power output oil pump transmission box involves the structural design of the automatic switching device for dual power heads. The transmission box usually includes an input shaft, an output shaft, a gear set and an oil pump drive system. Its main function is to transfer the power of the diesel engine to the oil pump through the gear set and realize the operation of automatically switching different power heads;

[0003] The diesel engine power output oil pump transmission box is mainly composed of an input shaft, a gear set, an output shaft and an oil pump drive mechanism. The input shaft is connected to the diesel engine and transmits power to the output shaft through the gear set. The gear set in the transmission box is responsible for converting the rotational power of the diesel engine into a working speed and torque suitable for the oil pump. The output shaft is connected to the oil pump to achieve power transmission. The working principle is that the diesel engine drives the gear set to rotate through the input shaft, and the gear set converts and transmits the power to the output shaft, and finally drives the oil pump to operate. The transmission box design ensures efficient and stable power transmission and adapts to the needs under different working conditions;

[0004] Some diesel engine power output oil pump transmission case structures can only install one double pump. When a fault occurs (such as internal gear wear, seal failure or bearing damage, etc.), the entire system will face the risk of oil supply interruption, which will cause the diesel engine power output to be unstable or stop working; and the diesel engine power output oil pump transmission case structure has the problem of inconvenient disassembly of the double pump. Disassembly requires a lot of time and energy to disassemble the parts, and even requires the use of complex tools and equipment, which prolongs the equipment downtime and affects production efficiency and economic benefits. Therefore, a diesel engine power output oil pump transmission case structure is proposed to solve the above problems. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a diesel engine power output oil pump transmission box structure, aiming to improve the problem in the prior art that some diesel engine power output oil pump transmission boxes can only be equipped with one double pump, the failure of which will cause oil supply interruption, and it is inconvenient to disassemble the double pump, affecting production efficiency and economic benefits.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a diesel engine power output oil pump transmission box structure, comprising a square box, a waist-shaped groove is opened in the middle side of the inner part of the square box, three second gears are meshed and connected inside the waist-shaped groove, three first bearing grooves are opened at equal distances at the upper and lower parts of the waist-shaped groove, and the second bearings are fixedly connected inside the first bearing grooves, a first circular hole is opened in the middle side of the upper part of the square box, and second circular holes are opened at equal distances on the left and right sides of the lower part of the square box;

[0007] As a further description of the above technical solution: the second bearing and the upper middle side of the first bearing groove are both provided with a second gear groove, the interior of the middle second gear groove is both clamped with a first gear column, the interior of the left and right second gear grooves is both clamped with a second gear column, and the upper middle side of the first gear column and the lower middle side of the second gear column are respectively fixedly connected with a first power shaft and a second power shaft;

[0008] As a further description of the above technical solution: a shell is equidistantly arranged on the left and right sides of the lower part of the square box, a first cylindrical groove is opened on the upper side of the shell, the lower end of the second power shaft is rotatably connected to the lower side of the inside of the first cylindrical groove, a second cylindrical groove is opened on the inner side of the shell, and the inside of the second cylindrical groove is rotatably connected to the two ends of the driven roller;

[0009] As a further description of the above technical solution: three second bearing grooves and two first gear grooves are equidistantly provided in the middle of the first cylindrical groove and the second cylindrical groove, the inside of each of the second bearing grooves is fixedly connected with a first bearing, the inside of each of the first gear grooves is meshedly connected with a first gear, the first bearing and the first gear on the far side of the left and right sides are fixedly connected to the outside of the driven roller, and the first bearing and the first gear on the close side of the left and right sides are fixedly connected to the outside of the second power shaft;

[0010] As a further description of the above technical solution: four bolt rods are fixedly connected at equal distances to the left and right sides of the lower part of the square box;

[0011] As a further description of the above technical solution: a mounting plate is fixedly connected to one side of the upper portion of the housing, and mounting holes are equidistantly provided at four corners of the upper portion of the mounting plate;

[0012] As a further description of the above technical solution: the bolt rods all correspond to the mounting holes one by one, the bolt rods all pass through the mounting holes and are threadedly connected with nuts;

[0013] As a further description of the above technical solution: the front and rear parts of the shell are equidistantly fixedly connected with fixing plates, the four corners of the front fixing plate and the rear fixing plate are equidistantly provided with mounting grooves, the front middle side of the front fixing plate is provided with an oil inlet hole and passes through the shell, and the rear middle side of the rear fixing plate is provided with an oil outlet hole and passes through the shell.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, two shells are equidistantly arranged at the lower part of the square box through the cooperation of structures such as shells, the first gear column on the first power shaft drives the second gear to rotate, the two second gears drive the second power shaft to rotate, the second power shaft drives the first gear, and then drives the first gear of the driven roller to rotate, liquid suction and discharge are achieved under the volume change of the oil inlet and outlet holes, and four pump sources with different displacements that do not interfere with each other can be formed to work simultaneously, solving the problem of not needing to install multiple diesel engines on the same chassis.

[0016] In the utility model, through the cooperation of structures such as the mounting plate, when a problem occurs in the housing of the diesel engine power output oil pump transmission box structure, a wrench is used to remove the nut of the bolt rod on the square box, the second power shaft with the second gear column is pulled out from the second gear groove, and then a new housing is replaced, thereby solving the problem that the diesel engine power output oil pump transmission box structure is inconvenient to disassemble the double pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of a diesel engine power output oil pump transmission box structure proposed by the utility model;

[0018] Figure 2 This is a rear view of a diesel engine power output oil pump transmission box structure proposed by the utility model;

[0019] Figure 3 This is an expanded view of a diesel engine power output oil pump transmission box structure proposed by the utility model;

[0020] Figure 4 This is a front sectional view of a diesel engine power output oil pump transmission box structure proposed by the utility model;

[0021] Figure 5 This is an upper cross-sectional view of a diesel engine power output oil pump transmission box structure proposed by the utility model;

[0022] Figure 6 The utility model is a bottom cross-sectional view of a diesel engine power output oil pump transmission box structure.

[0023] Legend:

[0024] 1. Square box; 2. First power shaft; 3. Nut; 4. Mounting plate; 5. Housing; 6. Fixing plate; 7. Oil inlet hole; 8. Mounting groove; 9. First round hole; 10. First gear column; 11. Bolt rod; 12. Second power shaft; 13. Second gear column; 14. Mounting hole; 15. First bearing groove; 16. Waist groove; 17. First cylindrical groove; 18. First gear groove; 19. Second bearing groove; 20. Second cylindrical groove; 21. First gear; 22. First bearing; 23. Driven roller; 24. Second gear; 25. Second bearing; 26. Second gear groove; 27. Oil outlet hole; 28. Second round hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 6The utility model provides an embodiment: a diesel engine power output oil pump transmission box structure, including a square box 1, a waist groove 16 is opened in the middle side of the inner side of the square box 1, three second gears 24 are meshed and connected inside the waist groove 16, three first bearing grooves 15 are opened at equal distances at the upper and lower parts of the waist groove 16, and the second bearings 25 are fixedly connected inside the first bearing grooves 15, a first circular hole 9 is opened in the middle side of the upper part of the square box 1, and second circular holes 28 are opened at equal distances on the left and right sides of the lower part of the square box 1, and the second bearing 25 and the upper middle side of the first bearing groove 15 are opened with second gear grooves 26, and the middle The first gear column 10 is engaged with the inside of the second gear groove 26 on the left and right sides, and the second gear column 13 is engaged with the inside of the left and right second gear grooves 26 on the right and left sides. The first power shaft 2 and the second power shaft 12 are fixedly connected to the middle side of the upper part of the first gear column 10 and the middle side of the lower part of the second gear column 13 respectively. The shell 5 is equidistantly arranged on the left and right sides of the lower part of the square box 1. The upper side of the shell 5 is provided with a first cylindrical groove 17. The lower end of the second power shaft 12 is rotatably connected to the lower side of the inner part of the first cylindrical groove 17. The inner side of the shell 5 is provided with a second cylindrical groove 20. The inner part of the second cylindrical groove 20 is provided with a second cylindrical groove 20. The first cylindrical groove 17 and the second cylindrical groove 20 are rotatably connected to the two ends of the driven roller 23. Three second bearing grooves 19 and two first gear grooves 18 are equidistantly opened in the middle of the first cylindrical groove 17 and the second cylindrical groove 20. The inside of the second bearing groove 19 is fixedly connected with the first bearing 22. The inside of the first gear groove 18 is meshed with the first gear 21. The first bearing 22 and the first gear 21 on the far side of the left and right sides are fixedly connected to the outside of the driven roller 23. The first bearing 22 and the first gear 21 on the close side of the left and right sides are fixedly connected to the outside of the second power shaft 12. The left and right sides of the lower part of the square box 1 are equidistant. Four bolt rods 11 are fixedly connected, and the upper side of the shell body 5 is fixedly connected with a mounting plate 4, and the upper four corners of the mounting plate 4 are equidistantly provided with mounting holes 14, and the bolt rods 11 correspond to the mounting holes 14 one by one, and the bolt rods 11 pass through the mounting holes 14 and are threadedly connected with nuts 3, and the front and rear parts of the shell body 5 are equidistantly fixedly connected with fixing plates 6, and the four corners of the front fixing plate 6 and the rear fixing plate 6 are equidistantly provided with mounting grooves 8, and the front middle side of the front fixing plate 6 is provided with an oil inlet hole 7 and passes through the shell body 5, and the rear middle side of the rear fixing plate 6 is provided with an oil outlet hole 27 and passes through the shell body 5.

[0027] First, two housings 5 ​​are equidistantly arranged at the lower part of the square box 1, the first gear column 10 on the first power shaft 2 drives the second gear 24 to rotate, the two second gears 24 drive the second power shaft 12 to rotate, the second power shaft 12 drives the first gear 21, and then drives the first gear 21 of the driven roller 23 to rotate, and liquid suction and discharge are realized under the volume change of the oil inlet hole 7 and the oil outlet hole 27, which can form four pump sources with different displacements that do not interfere with each other and work simultaneously, solving the problem of not having to use multiple diesel engines to be installed on the same chassis; with the help of the cooperation of the mounting plate 4 and other structures, when the housing 5 of the diesel engine power output oil pump transmission box structure has a problem, the nut 3 of the bolt rod 11 on the square box 1 is removed by a wrench, the second power shaft 12 with the second gear column 13 is pulled out from the second gear groove 26, and then a new housing 5 is replaced, thereby solving the problem that the diesel engine power output oil pump transmission box structure is inconvenient to disassemble the double pump.

[0028] Working principle: First, two housings 5 ​​are equidistantly arranged at the lower part of the square box 1, the first gear column 10 on the first power shaft 2 drives the second gear 24 to rotate, the two second gears 24 drive the second power shaft 12 to rotate, the second power shaft 12 drives the first gear 21, and then drives the first gear 21 of the driven roller 23 to rotate, and liquid suction and discharge are realized under the volume change of the oil inlet hole 7 and the oil outlet hole 27, which can form four pump sources with different displacements that do not interfere with each other and work simultaneously, solving the problem of not having to use multiple diesel engines to be installed on the same chassis; with the help of the cooperation of the mounting plate 4 and other structures, when there is a problem with the housing 5 of the diesel engine power output oil pump transmission box structure, use a wrench to remove the nut 3 of the bolt rod 11 on the square box 1, pull out the second power shaft 12 with the second gear column 13 from the second gear groove 26, and then replace it with a new housing 5, so as to solve the problem that the diesel engine power output oil pump transmission box structure is not convenient to disassemble the double pump.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A diesel engine power output oil pump transmission box structure, comprising a square box (1), characterized in that: A waist-shaped groove (16) is provided in the middle of the interior of the square box (1), three second gears (24) are meshedly connected inside the waist-shaped groove (16), three first bearing grooves (15) are equidistantly provided at the upper and lower parts of the waist-shaped groove (16), and second bearings (25) are fixedly connected inside the first bearing grooves (15), a first circular hole (9) is provided in the middle of the upper part of the square box (1), and second circular holes (28) are equidistantly provided on the left and right sides of the lower part of the square box (1); The second bearing (25) and the first bearing groove (15) are both provided with a second gear groove (26) at the upper middle side, the first gear column (10) is engaged inside the middle second gear groove (26), the second gear column (13) is engaged inside the left and right second gear grooves (26), and the first power shaft (2) and the second power shaft (12) are respectively fixedly connected at the upper middle side of the first gear column (10) and the lower middle side of the second gear column (13); A shell (5) is equidistantly arranged on the left and right sides of the lower part of the square box (1); a first cylindrical groove (17) is provided on the upper side of the shell (5) that is close to the upper side; the lower end of the second power shaft (12) is rotatably connected to the lower side of the first cylindrical groove (17); a second cylindrical groove (20) is provided on the inner side of the shell (5) that is far away from the upper side; the inner side of the second cylindrical groove (20) is rotatably connected to the two ends of the driven roller (23); Three second bearing grooves (19) and two first gear grooves (18) are equidistantly provided in the middle of the first cylindrical groove (17) and the second cylindrical groove (20); the interior of the second bearing groove (19) is fixedly connected with a first bearing (22); the interior of the first gear groove (18) is meshingly connected with a first gear (21); the first bearing (22) and the first gear (21) on the side away from each other on the left and right sides are fixedly connected to the outside of the driven roller (23); and the first bearing (22) and the first gear (21) on the side close to each other on the left and right sides are fixedly connected to the outside of the second power shaft (12).

2. A diesel engine power output oil pump transmission box structure according to claim 1, characterized in that: Four bolt rods (11) are fixedly connected at equal distances to the left and right sides of the lower part of the square box (1).

3. A diesel engine power output oil pump transmission box structure according to claim 1, characterized in that: The upper part of the housing (5) is fixedly connected to a mounting plate (4) on one side thereof, and mounting holes (14) are equidistantly formed at four upper corners of the mounting plate (4).

4. A diesel engine power output oil pump transmission box structure according to claim 2, characterized in that: The bolt rods (11) correspond to the mounting holes (14) one by one, and the bolt rods (11) pass through the mounting holes (14) and are threadedly connected with nuts (3).

5. A diesel engine power output oil pump transmission box structure according to claim 1, characterized in that: The front and rear parts of the housing (5) are fixedly connected with fixing plates (6) at equal distances, the four corners of the front fixing plate (6) and the rear fixing plate (6) are provided with mounting grooves (8) at equal distances, the front middle part of the front fixing plate (6) is provided with an oil inlet hole (7) which passes through the housing (5), and the rear middle part of the rear fixing plate (6) is provided with an oil outlet hole (27) which passes through the housing (5).

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