Cooling device of hybrid power gearbox

Abstract

The cooling device of the hybrid power gearbox belongs to the technical field of cooling equipment and comprises an installation box, a communicating pipe and an oil outlet pipe, an oil inlet pipe is fixedly installed in the side wall of the installation box, an oil inlet mechanism is fixedly installed on the inner wall of the bottom of the installation box, and a cooling structure is arranged in the bottom wall of the installation box. And the oil cylinder extends to the inner side of the oil inlet mechanism. The device has the beneficial effects that the oil inlet mechanism is arranged, when the device is used, oil enters the mounting box through the oil inlet pipe, then when the oil enters the mounting box, the impact pressure of the oil can enable the supporting plate to drive the rotating plate to rotate, the oil can be stirred, and then the oil enters the oil inlet channel through the oil inlet nozzle; the oil way enters the annular groove through the first through hole, is cooled through the cooling structure, is filtered through the filter cotton and then enters the oil outlet pipe for use through the communicating pipe, the oil inlet mechanism is adopted, the standing time of the oil way in the mounting box can be longer, and therefore the oil way is cooled more thoroughly.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment, in particular to a cooling device for a hybrid power transmission. Background Art

[0002] DHT is a gearbox dedicated to hybrid power. When in use, the gearbox is often lubricated and cooled by lubricating mixed oil.

[0003] After searching, it can be found that patent No. CN202021501730.7 discloses a gearbox oil cooling system, including an external fixed frame, bolts, an oil pump, a fixed rod, a gear and a connecting rod. The inner side of the external fixed frame is provided with bolts, and the bolts are fixedly connected to the external fixed frame. The inner side of the oil pump is provided with a fixed rod, and the fixed rod is fixedly connected to the oil pump. A gear is provided in the middle of the connecting rod, and the gear is fixedly connected to the connecting rod. An oil storage tank is provided inside the external fixed frame, and the oil storage tank is fixedly connected to the external fixed frame. A circulating pipe is provided inside the oil storage tank, and the circulating pipe is fixedly connected to the oil storage tank. A cooler is provided inside the circulating pipe, and the cooler is fixedly connected to the circulating pipe. An oil inlet is provided at the upper end of the external fixed frame, and the oil inlet It is fixedly connected to an external fixed frame, an oil outlet pipe is provided on the right side of the external fixed frame, and the oil outlet pipe is fixedly connected to the external fixed frame, a hydraulic rod is provided on the inside of the oil pump, and the hydraulic rod is fixedly connected to the oil pump, an oil pump box is provided in the middle of the oil pump, and the oil pump box is fixedly connected to the oil pump, a movable wheel is provided on the outside of the gear, and the movable wheel is fixedly connected to the gear, a clamping block is provided on the outer end of the gear, and the clamping block is fixedly connected to the gear. This gearbox oil cooling system can effectively and quickly cool the gearbox oil when the device is actually used through structural improvements. Since the gearbox oil can be quickly cooled when used, the variable box will not have various problems, and the existing gearbox has an increased speed at startup, which leads to an increase in subsequent startup and driving force, and is highly practical.

[0004] The cooling device of the hybrid power transmission in the prior art and the above-mentioned comparative documents still have the following disadvantages. In the above-mentioned comparative documents, after the oil is cooled by the cooler and the circulation pipe, the oil enters the transmission and then cools the transmission. Although the oil can be cooled, the oil flow rate is too fast, resulting in a short cooling time of the oil circuit and an unobvious cooling, which results in a poor cooling effect, thereby affecting the cooling efficiency of the transmission and is not conducive to the rapid cooling of the transmission. Utility Model Content

[0005] To solve the problems raised in the above background technology. The utility model provides a cooling device for a hybrid gearbox, which has an oil inlet mechanism, and is used to solve the problem that after the oil is cooled by the cooler and the circulation pipe, the oil enters the gearbox and then cools the gearbox. Although it can cool the oil, the oil flow rate is too fast, which leads to a short cooling time of the oil circuit, and the cooling is not obvious, so that the cooling effect is poor, which affects the cooling efficiency of the gearbox and is not conducive to the rapid cooling of the gearbox.

[0006] The technical solution of the utility model is: a cooling device for a hybrid power transmission, comprising a mounting box, a connecting pipe and an oil outlet pipe, an oil inlet pipe is fixedly mounted inside the side wall of the mounting box, an oil inlet mechanism is fixedly mounted on the bottom inner wall of the mounting box, a cooling structure is arranged inside the bottom wall of the mounting box and extends to the inner side of the oil inlet mechanism;

[0007] The oil inlet mechanism includes a cooling box, a limit plate, a rotating ring, a rotating sheet, a support plate, an oil inlet channel, a through hole 1, a through hole 2, filter cotton and an oil inlet nozzle. The cooling box is movably sleeved on the outside of the oil outlet pipe, the rotating sheet is fixedly installed on the outer wall of the rotating ring, the rotating ring is movably sleeved on the outside of the cooling box, an annular groove is provided inside the cooling box, the filter cotton is fixedly sleeved on one side wall of the annular groove, the rotating ring is provided with a through hole 2, the rotating sheet is provided with an oil inlet channel, the oil inlet nozzle is fixedly installed on the outer wall of the rotating sheet, the oil inlet nozzle is communicated with the oil inlet channel, and the support plate is fixedly installed on one side outer wall of the rotating sheet.

[0008] Furthermore, mounting plates are fixedly mounted on the outer walls of both sides of the mounting box, and threaded holes are formed inside the mounting plates.

[0009] Furthermore, a heat-insulating layer is fixedly installed on the inner wall of the installation box, a fixing plate is fixedly installed on the inner wall at the bottom of the heat-insulating layer, and one end of the oil outlet pipe is fixedly installed on the top of the fixing plate.

[0010] Furthermore, the cooling box is fixedly mounted on the bottom inner wall of the insulation layer, and a connecting hole is opened on the outside of the oil outlet pipe, and the connecting hole is connected to the connecting pipe.

[0011] Furthermore, the limit plate is fixedly installed on the top of the cooling box, and the limit plate is movably connected to the rotating ring.

[0012] Furthermore, a through hole 1 is opened on the outer wall of the cooling box and is located outside the annular groove. The through hole 1 is matched with the through hole 2 in size. The connecting pipe is fixedly arranged inside the cooling box and is located outside the annular groove.

[0013] Furthermore, the cooling structure includes a base plate, a cooling rod, a corrosion-resistant sleeve and fixing bolts. The base plate is arranged inside the bottom wall of the mounting box through the fixing bolts, the cooling rod is fixedly installed on the top of the fixing plate, the corrosion-resistant sleeve is fixedly sleeved on the outside of the cooling rod, and the cooling rod extends to the inside of the annular groove.

[0014] The utility model provides a cooling device for a hybrid power transmission through improvement, which has the following improvements and advantages compared with the prior art:

[0015] By providing an oil inlet mechanism, when in use, the oil enters the installation box through the oil inlet pipe, and then when the oil enters the installation box, the impact pressure thereof can make the support plate drive the rotating plate to rotate, and then the oil can be stirred, and then the oil enters the oil inlet channel through the oil inlet nozzle, and when the through hole one coincides with the through hole two, the oil enters the annular groove through the through hole one, is cooled by the cooling structure, is filtered by the filter cotton, and then enters the oil outlet pipe through the connecting pipe for use. The oil inlet mechanism can make the oil circuit stay in the installation box longer, and then the cooling of the oil circuit can be more thorough, so that the oil can better enter the gearbox for use, and the gearbox can be cooled faster and with better cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0019] Figure 3 It is a main schematic diagram of the utility model;

[0020] Figure 4 It is a top view schematic diagram of the oil inlet mechanism of the utility model;

[0021] Figure 5 It is a three-dimensional schematic diagram of the oil inlet mechanism of the utility model;

[0022] Explanation of the accompanying drawings: 1. Installation box; 2. Insulation layer; 3. Installation plate; 4. Support plate; 5. Rotating plate; 6. Cooling rod; 7. Bottom plate; 8. Fixing bolt; 9. Connecting pipe; 10. Fixing plate; 11. Filter cotton; 12. Corrosion-resistant sleeve; 13. Through hole one; 14. Oil inlet pipe; 15. Oil inlet channel; 16. Limiting plate; 17. Through hole two; 18. Oil inlet nozzle; 19. Oil outlet pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the attached Figures 1 to 5The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0024] The utility model provides a cooling device for a hybrid power transmission through improvement. Figure 1-5 As shown in the figure, it includes an installation box 1, a connecting pipe 9 and an oil outlet pipe 19. The outer walls of both sides of the installation box 1 are fixedly installed with installation plates 3, and threaded holes are opened inside the installation plates 3. An oil inlet pipe 14 is fixedly installed inside the side wall of the installation box 1, and an oil inlet mechanism is fixedly installed on the bottom inner wall of the installation box 1. A cooling structure is arranged inside the bottom wall of the installation box 1 and extends to the inner side of the oil inlet mechanism.

[0025] The oil inlet mechanism includes a cooling box, a limit plate 16, a rotating ring, a rotating sheet 5, a support plate 4, an oil inlet channel 15, a through hole 13, a through hole 2 17, a filter cotton 11 and an oil inlet nozzle 18. The cooling box is movably sleeved on the outside of the oil outlet pipe 19, the rotating sheet 5 is fixedly installed on the outer wall of the rotating ring, the rotating ring is movably sleeved on the outside of the cooling box, an annular groove is provided inside the cooling box, the filter cotton 11 is fixedly sleeved on one side wall of the annular groove, the through hole 2 17 is provided inside the rotating ring, the oil inlet channel 15 is provided inside the rotating sheet 5, the oil inlet nozzle 18 is fixedly installed on the outer wall of the rotating sheet 5, the oil inlet nozzle 18 is communicated with the oil inlet channel 15, the support plate 4 is fixedly installed on one side outer wall of the rotating sheet 5, the inner wall of the installation box 1 is fixedly installed with a thermal insulation layer 2, and the bottom inner wall of the thermal insulation layer 2 is fixedly installed There is a fixed plate 10, one end of the oil outlet pipe 19 is fixedly installed on the top of the fixed plate 10, and an oil inlet mechanism is provided. When in use, the oil enters the installation box 1 through the oil inlet pipe 14, and then when the oil enters the installation box 1, its impact pressure can make the support plate 4 drive the rotating plate to rotate, and then the oil can be stirred, and then the oil enters the oil inlet channel 15 through the oil inlet nozzle 18. When the through hole 13 and the through hole 2 17 coincide, the oil enters the annular groove through the through hole 13, is cooled by the cooling structure, and is filtered by the filter cotton 11, and then enters the oil outlet pipe 19 through the connecting pipe 9 for use. The oil inlet mechanism can make the oil circuit stay in the installation box 1 for a longer time, and then make the oil circuit cool more thoroughly, so that the oil can better enter the gearbox for use, and the gearbox cools faster and has better cooling efficiency.

[0026] The cooling box is fixedly mounted on the bottom inner wall of the thermal insulation layer 2, a connecting hole is opened on the outside of the oil outlet pipe 19, the connecting hole is connected to the connecting pipe 9, a limit plate 16 is fixedly mounted on the top of the cooling box, the limit plate 16 is movably connected to the rotating ring, the thermal insulation layer 2 can prevent the temperature of the external environment from affecting it, the oil inlet pipe 14 is connected to the external oil pump system, and the oil outlet pipe 19 is connected to the gearbox.

[0027] The outer wall of the cooling box is provided with a through hole 13 located outside the annular groove. The through hole 13 is matched with the through hole 2 17 in size to facilitate the oil to quickly enter the cooling box. The connecting pipe 9 is fixedly arranged inside the cooling box and located outside the annular groove.

[0028] The cooling structure includes a bottom plate 7, a cooling rod 6, a corrosion-resistant sleeve 12 and a fixing bolt 8. The bottom plate 7 is arranged inside the bottom wall of the installation box 1 through the fixing bolt 8. The cooling rod 6 is fixedly installed on the top of the fixing plate 10. The corrosion-resistant sleeve 12 is fixedly sleeved on the outside of the cooling rod 6. The corrosion-resistant sleeve 12 can prevent the oil circuit from corroding it, thereby affecting the long-term use of the cooling rod 6. The cooling rod 6 is externally connected to the cooling system, and the cooling rod 6 extends to the inside of the annular groove. The use principle of the cooling rod 6 is: the cooling rod 6, also known as the heat pipe, is suitable for narrow positions that are inaccessible to slender cores and ordinary cooling water. It has good heat transfer performance and can quickly transfer heat from one end to the other end. After installing the cooling rod 6, the cooling water is connected at a suitable position to achieve an optimal heat conversion process. This conversion process is not only to transfer heat through metal, but also to use the refrigerant in the copper tube as a heat exchange medium, and the thermal conductivity is about 200 times that of copper. No rust, no scale, temperature range -50 ℃ ~ 200 ℃.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cooling device for a hybrid transmission, comprising a mounting box (1), a connecting pipe (9) and an oil outlet pipe (19), characterized in that: An oil inlet pipe (14) is fixedly installed inside the side wall of the installation box (1), an oil inlet mechanism is fixedly installed on the bottom inner wall of the installation box (1), and a cooling structure is provided inside the bottom wall of the installation box (1) and extends to the inside of the oil inlet mechanism; The oil inlet mechanism comprises a cooling box, a limit plate (16), a rotating ring, a rotating sheet (5), a support plate (4), an oil inlet passage (15), a first through hole (13), a second through hole (17), a filter cotton (11) and an oil inlet nozzle (18); the cooling box is movably sleeved on the outside of the oil outlet pipe (19); the rotating sheet (5) is fixedly mounted on the outer wall of the rotating ring; the rotating ring is movably sleeved on the outside of the cooling box; an annular groove is formed inside the cooling box; the filter cotton (11) is fixedly sleeved on one side wall of the annular groove; a second through hole (17) is formed inside the rotating ring; an oil inlet passage (15) is formed inside the rotating sheet (5); the oil inlet nozzle (18) is fixedly mounted on the outer wall of the rotating sheet (5); the oil inlet nozzle (18) is communicated with the oil inlet passage (15); and the support plate (4) is fixedly mounted on one side outer wall of the rotating sheet (5).

2. The cooling device for a hybrid transmission according to claim 1, characterized in that: The outer walls of both sides of the installation box (1) are fixedly mounted with installation plates (3), and threaded holes are formed inside the installation plates (3).

3. The cooling device of the hybrid transmission according to claim 1, characterized in that: A heat-insulating layer (2) is fixedly mounted on the inner wall of the installation box (1), a fixing plate (10) is fixedly mounted on the inner wall at the bottom of the heat-insulating layer (2), and one end of the oil outlet pipe (19) is fixedly mounted on the top of the fixing plate (10).

4. The cooling device for a hybrid power transmission according to claim 1, characterized in that: The cooling box is fixedly mounted on the bottom inner wall of the thermal insulation layer (2); a connecting hole is formed on the outside of the oil outlet pipe (19); and the connecting hole is connected to the connecting pipe (9).

5. The cooling device for a hybrid transmission according to claim 1, characterized in that: The limiting plate (16) is fixedly mounted on the top of the cooling box, and the limiting plate (16) is movably connected to the rotating ring.

6. The cooling device for a hybrid transmission according to claim 1, characterized in that: The outer wall of the cooling box is provided with a through hole 1 (13) and is located outside the annular groove. The through hole 1 (13) is matched in size with the through hole 2 (17). The connecting pipe (9) is fixedly arranged inside the cooling box and is located outside the annular groove.

7. The cooling device for a hybrid transmission according to claim 1, characterized in that: The cooling structure includes a base plate (7), a cooling rod (6), a corrosion-resistant sleeve (12) and fixing bolts (8); the base plate (7) is arranged inside the bottom wall of the installation box (1) through the fixing bolts (8); the cooling rod (6) is fixedly installed on the top of the fixing plate (10); the corrosion-resistant sleeve (12) is fixedly sleeved on the outside of the cooling rod (6); and the cooling rod (6) extends to the inside of the annular groove.

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