CN214146526U - Cooling and lubricating device of transmission system and tractor - Google Patents
Cooling and lubricating device of transmission system and tractor Download PDFInfo
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- CN214146526U CN214146526U CN202022845065.XU CN202022845065U CN214146526U CN 214146526 U CN214146526 U CN 214146526U CN 202022845065 U CN202022845065 U CN 202022845065U CN 214146526 U CN214146526 U CN 214146526U
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Abstract
The utility model relates to a cooling and lubricating device of a transmission system, which comprises a rear axle box, a gearbox, a filter, an oil suction pump and an oil cooler, wherein an oil suction port is arranged on the shell of the rear axle box and is connected with the filter through an oil inlet pipe; the filter is connected with the oil suction pump through an oil inlet pipe of the oil suction pump; the oil suction pump is connected with the oil cooler through an oil inlet pipe of the oil cooler; the oil cooler cools oil in the rear axle box through the oil outlet pipe and then conveys the cooled oil to the rear axle box and the inside of the gearbox for lubrication, the cooling and lubricating device of the utility model forms an oil cooling and circulating system to passively cool the heat which can not be dissipated by the transmission system, and the heat is dissipated by the forced cooling of the oil circulation; through the arrangement of the oil suction port, the oil suction amount and the passing property of the tractor are ensured; the utility model ensures the safety of the cooling circulation system by arranging the pressure relief valve block; the utility model discloses a set up longer oil spout pipe and a plurality of spout of producing oil, can realize the lubricated radiating effect of all-round multi-angle.
Description
Technical Field
The utility model belongs to the tractor field, concretely relates to cooling and lubricating device and tractor of transmission.
Background
Medium and large horsepower tractors, because the torque value transmitted by a transmission system is large, friction vibration between gears can generate a large amount of heat, if no effective cooling measure is available, the heat cannot be dissipated in time, so that the temperature of parts such as a transmission case, a rear axle case, a power output axle box and the like of the transmission system is always in a high temperature state, even exceeds 100 ℃, the long-time high temperature can cause various faults of the transmission system parts, such as the reduction of the lubricating property of oil, the increase of friction and abrasion between parts, the generation of more heat, more metal chips, lubricating oil carbon deposition and other impurities, the noise of the transmission case can be greatly increased, and simultaneously the generated impurities and oil sludge can block a hydraulic valve body of the transmission system; when the temperature in the gearbox is too high, the rubber sealing material begins to harden and age, and leakage can occur when the sealing is not tight; the brake friction disc at the rear axle box and the half shaft reduces the braking effect of the brake due to high-temperature accelerated wear, and has potential risks to the driving safety of the tractor. Therefore, the high temperature of the tractor transmission system is very harmful, and effective measures need to be taken for cooling.
The high-temperature failure of the transmission system of the medium and large horsepower tractor is solved, only a part of heat can be dissipated by means of passive cooling and lubricating of transmission system components such as a gearbox, a rear axle box and the like, and the remaining heat still enables the transmission system components to be in a high-temperature state. The passive cooling lubrication mode is generally used in the market as splash lubrication, cannot achieve the aim of reducing the temperature, and has the defects of high cost, low efficiency and the like.
Therefore, a safe and effective forced cooling and lubrication measure is needed to solve the high-temperature failure of the power train.
SUMMERY OF THE UTILITY MODEL
For solving the drawback of the prior art, the utility model discloses a safe effectual forced cooling lubricating arrangement provides following scheme:
a cooling and lubricating device of a transmission system comprises a rear axle box, a gearbox, a filter, an oil suction pump and an oil cooler, wherein an oil suction port is formed in a shell of the rear axle box and is connected with the filter through an oil inlet pipe; the filter is connected with the oil suction pump through an oil inlet pipe of the oil suction pump; the oil suction pump is connected with the oil cooler through an oil inlet pipe of the oil cooler; and the oil cooler cools oil in the rear axle box through the oil outlet pipe and then conveys the cooled oil to the rear axle box and the inside of the gearbox for lubrication.
Further, the oil suction opening is arranged at a position close to the bottommost position of the rear axle box shell.
Furthermore, a pressure relief valve block is arranged between the oil suction pump and the oil inlet pipe of the oil cooler, and the pressure relief valve block is connected with the oil suction pump through an oil outlet pipe of the oil suction pump.
Furthermore, the pressure relief valve block is connected with the gearbox through a pressure relief oil pipe and used for conveying oil into the gearbox when a pressure relief valve of the pressure relief valve block is opened.
Further, it includes oil cooler play oil pipe, goes out oil union coupling rubber tube, gearbox oil pipe and rear axle case oil pipe to go out the oil pipe, oil cooler goes out oil pipe and goes out oil union coupling rubber tube connection, it is connected with gearbox oil pipe and rear axle case oil pipe respectively through three way connection to go out oil union coupling rubber tube for carry respectively to gearbox and rear axle incasement portion after with the oil cooling.
Furthermore, a gearbox oil injection pipe is arranged above a transmission gear in the gearbox and connected with a gearbox oil pipe, and one or more oil outlet nozzles are arranged on the gearbox oil injection pipe.
Furthermore, a brake oil injection pipe is arranged above the transmission gear and the brake in the rear axle box and is connected with a rear axle box oil pipe, and one or more oil outlet nozzles are arranged on the brake oil injection pipe.
Further, the oil inlet pipe comprises an oil absorption steel pipe and a filter connection rubber pipe which are connected with each other.
Further, the oil suction steel pipe is connected with the oil suction port through a straight joint.
The utility model also provides a tractor, including the cooling and lubrication device of above-mentioned arbitrary drive train.
By adopting the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a set up oil suction pump and oil cooler, form fluid cooling circulation system, the heat that can't be dispelled in the passive cooling of transmission self, through fluid circulation forced cooling, dispel the heat.
2. The utility model can effectively solve the problem that the circulating system can not absorb all oil liquid by arranging the oil inlet at the position close to the bottommost part of the shell of the rear axle box, thereby effectively reducing the temperature of the transmission system; meanwhile, the oil suction port is not positioned at the bottommost part of the rear axle box shell, so that the lowest height of the tractor chassis can be prevented from being reduced, the original height of the tractor chassis can be still maintained after the heat dissipation and lubrication device is added, and the high trafficability characteristic of the tractor chassis is maintained for the ground of complex farming operation.
3. The utility model discloses a set up the release valve piece, when fluid cooling circulation system pressure value was greater than the safe pressure that the system can bear, the pressure relief valve of release valve piece was opened, carries fluid to the gearbox in, realizes the oil pressure uninstallation to the system, protection hydraulic circulation system's safety.
4. The utility model discloses a stopper spouts oil pipe and gearbox and can set up a plurality of spouts that produce oil on spouting oil pipe, can realize all-round multi-angle to the transmission part lubrication that dispels the heat.
Drawings
FIG. 1 is a front view of an embodiment of the present invention
Fig. 2 is a rear view of an embodiment of the present invention
FIG. 3 is a top view of an embodiment of the present invention
Fig. 4 is a schematic structural diagram of a rear axle box shell according to an embodiment of the present invention, wherein, the rear axle box 1, the transmission 2, the filter 3, the suction pump 4, the oil cooler 5, the suction port 6, the pressure relief valve block 7, the oil suction steel pipe 8, the filter connection rubber pipe 9, the oil suction pump inlet pipe 10, the oil suction pump outlet pipe 11, the oil cooling radiator inlet pipe 12, the oil pressure relief oil pipe 13, the oil cooling radiator outlet pipe 14, the oil outlet pipe 15, the oil pipe connection rubber pipe 16, the transmission oil pipe 17, the rear axle box oil pipe 18, the three-way joint 19, the brake oil injection pipe 20, and the direct joint 21.
Detailed Description
In order to make the technical solution of the present invention better understood, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work shall belong to the protection scope of the present invention.
The utility model discloses a cooling and lubricating device of a transmission system, which comprises a rear axle box 1, a gear box 2, a filter 3, an oil suction pump 4 and an oil cooler 5, wherein the shell of the rear axle box 1 is provided with an oil suction port 6, and the oil suction port 6 is connected with the filter 3 through an oil inlet pipe; the filter 3 is connected with the oil suction pump 4 through an oil inlet pipe 10 of the oil suction pump; the oil suction pump 4 is connected with the oil cooler 5 through an oil cooler oil inlet pipe 12; the oil cooler 5 cools oil in the rear axle box 1 through an oil outlet pipe and then conveys the cooled oil to the insides of the rear axle box 1 and the gearbox 2 for lubrication.
The device is a set of complete hydraulic cooling circulation system, an engine of a tractor serves as a power source and drives an oil suction pump 4 to generate pressure difference to form oil circulation, a rear axle box 1 and a gearbox 2 serve as an oil tank of circulating oil to achieve storage of oil suction and oil return, and the oil passes through an oil cooler 5 to achieve forced lubrication and cooling of transmission parts.
In one embodiment, as shown in fig. 4, the oil suction opening 6 is provided near, but not at, the lowermost position of the housing of the rear axle case 1. The oil suction port 6 is located at the position, so that the problem that the oil cooling circulation system cannot suck all oil can be effectively solved, and even if a vehicle runs on an uphill slope, the oil can be effectively sucked, all oil enters the circulation system to be cooled, and the temperature of the transmission system is reduced. Meanwhile, the oil suction port 6 is not positioned at the bottommost part of the shell of the rear axle box 1, the lowest height of the tractor chassis can be prevented from being reduced, the original height of the tractor chassis can be still kept after the heat dissipation and lubrication device is added, and the high trafficability characteristic is kept for the ground of complex farming operation.
In one embodiment, as shown in fig. 1, a pressure relief valve block 7 is further disposed between the oil suction pump 4 and the oil cooler oil inlet pipe 12, the pressure relief valve block 7 is connected to the oil suction pump 4 through the oil suction pump oil outlet pipe 11, and when a pressure value in the oil cooling circulation system is greater than a safe pressure that can be borne by the system, a pressure relief valve of the pressure relief valve block 7 is opened to relieve the pressure, so as to ensure the safety of the entire oil cooling circulation system. Further, the pressure relief valve block 7 can be connected with the gearbox 2 through a pressure relief oil pipe 13, and when a pressure relief valve of the pressure relief valve block 7 is opened, oil can be conveyed into the gearbox 2 to be relieved.
In one embodiment, as shown in fig. 1, the oil inlet pipe comprises an oil suction steel pipe 8 and a filter connecting rubber pipe 9 which are connected with each other, the other end of the oil suction steel pipe 8 is connected with the oil suction port 6 through a straight joint 21, and the other end of the filter connecting rubber pipe 9 is connected with a filter.
In one embodiment, as shown in fig. 2, the oil outlet pipe includes an oil cooler outlet pipe 14, an oil outlet pipe connecting hose 15, a transmission oil pipe 16 and a rear axle box oil pipe 17, the oil cooler outlet pipe 14 is connected to the oil cooler 5 at one end and to the oil outlet pipe connecting hose 15 at the other end, and the oil outlet pipe connecting hose 15 is connected to the transmission oil pipe 16 and the rear axle box oil pipe 17 through a three-way joint 18 for delivering the cooled oil to the inside of the transmission 2 and the rear axle box 1, respectively.
In one embodiment, as shown in fig. 3, a transmission oil injection pipe 19 is arranged above a transmission gear inside the transmission 2, the transmission oil injection pipe 19 is connected with a transmission oil pipe 16, further, a brake oil injection pipe 20 is arranged above the transmission gear and the brake inside the rear axle box 1, the brake oil injection pipe 20 is connected with the rear axle box oil pipe 17, the transmission oil injection pipe 19 and the brake oil injection pipe 20 can be in a long tubular structure, and one or more oil outlet nozzles are arranged on the transmission oil injection pipe 19 and/or the brake oil injection pipe 20, so that the transmission components can be radiated and lubricated in all directions and at multiple angles.
In one embodiment, the combination and connection relationship of the whole cooling and lubricating device is as follows: one end of the oil absorption steel pipe 8 can be connected with the oil suction opening 6 through a straight joint 21, the straight joint 21 can be connected with the oil absorption steel pipe 8 and the oil suction opening 6 through threads, the other end of the oil absorption steel pipe 8 can be connected with a filter connecting rubber pipe 9 through a hose clamp, and the filter connecting rubber pipe 9 can be connected to the filter 3 through the hose clamp; the filter 3 and the oil inlet pipe 10 of the oil suction pump, and the oil inlet pipe 10 of the oil suction pump and the oil suction pump 4 can be connected through hose clamps; the oil suction pump 4 can be connected with the oil outlet pipe 11 of the oil suction pump through a bolt, the oil outlet pipe 11 of the oil suction pump can be connected with the pressure relief valve block 7 through a transition pipe joint, the pressure relief valve block 7 can be connected with the pressure relief oil pipe 13, the pressure relief oil pipe 13 can be connected with the shell of the gearbox 2, and the pressure relief valve block 7 can be connected with the oil inlet pipe 12 of the oil cooler through threads; the oil cooler oil inlet pipe 12 and the oil cooler 5, the oil cooler 5 and the oil cooler oil outlet pipe 14, the oil cooler oil outlet pipe 14 and the oil outlet connecting rubber pipe 15, the oil outlet connecting rubber pipe 15 and the three-way joint 18, the three-way joint 18 and the gearbox oil pipe 16 and the rear axle box oil pipe 17, the gearbox oil pipe 16 and the gearbox oil injection pipe, and the rear axle box oil pipe 17 and the brake oil injection pipe 20 can be connected by threads. It should be noted that the above connection manner is exemplified from the viewpoint of easy mounting and dismounting, and is not limiting, and other conventional connection manners can be applied to the present invention.
In one embodiment, the cooling cycle of the whole cooling and lubricating device comprises the following steps:
an engine of the tractor drives an oil suction pump 4 to suck oil from an oil suction port 6 on a shell of a rear axle box 1, the oil is filtered through a filter 3 in the process, various oil impurities passing through the filter 3 are filtered, oil sludge and metal chips in a system can be effectively reduced, the oil in the system is clean, and the risk of blocking a hydraulic valve body is reduced;
the hydraulic pressure generated by the oil suction pump 4 conveys oil to the oil cooler 5 for cooling, the heat generated by the tractor transmission system is forcibly dissipated, the oil temperature is reduced, and the oil passes through the pressure relief valve block 7 in the process of reducing, when the pressure value in the cooling circulation system is greater than the safe pressure which can be borne by the system, the pressure relief valve of the pressure relief valve block 7 is opened, and the oil is conveyed into the gearbox 2, so that the oil pressure relief of the system is realized, and the safety of the hydraulic circulation system is protected;
the oil cooled by the oil cooler 5 is respectively conveyed to the brake oil spraying pipe 20 and the gearbox oil spraying pipe 19, cooling and lubrication of the transmission system components in the rear axle box 1 and the gearbox 2 are achieved, the oil is distributed and conveyed through the three-way joint 18 in the period, the oil is conveyed to the brake oil spraying pipe 20, forced spraying cooling and lubrication of the transmission system components and the brake in the rear axle box 1 are achieved, the oil is conveyed to the gearbox oil spraying pipe 19, and forced spraying cooling and lubrication of the transmission system components in the gearbox 2 are achieved.
Oil liquid after cooling the components of the transmission system is accumulated at the bottoms of the rear axle box 1 and the gearbox 2 to form an oil pool, and a complete forced lubrication cooling circulation is completed.
The utility model discloses compact structure, arrange reasonable, simple to operate, can effectively solve the tractor because of the various trouble that the drive train high temperature arouses. After the device is adopted, the lubricating performance of the oil can be effectively prevented from being reduced; the transmission system is prevented from generating more impurities such as metal chips, oil sludge and the like; the noise of the gearbox is prevented from being greatly increased; the problems of poor sealing and leakage caused by over-high temperature in the gearbox and over-quick aging of the rubber sealing material are prevented; meanwhile, due to effective cooling measures, the brake effect of the brake is ensured, so that the use safety of the tractor is greatly improved.
And simultaneously, the utility model also discloses a tractor, include as above the cooling and lubrication device of any kind of drive train.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may still modify the technical solutions described in the foregoing embodiments, or may substitute some or all of the technical features of the foregoing embodiments; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a cooling and lubrication device of drive train, includes rear axle case (1), gearbox (2), filter (3), oil suction pump (4) and oil cooler (5), its characterized in that: an oil suction port (6) is formed in the shell of the rear axle box (1), and the oil suction port (6) is connected with the filter (3) through an oil inlet pipe; the filter (3) is connected with the oil suction pump (4) through an oil suction pump oil inlet pipe (10); the oil suction pump (4) is connected with the oil cooler (5) through an oil cooler oil inlet pipe (12); and the oil cooler (5) cools oil in the rear axle box (1) through an oil outlet pipe and then conveys the cooled oil to the insides of the rear axle box (1) and the gearbox (2) for lubrication.
2. The cooling and lubrication device according to claim 1, wherein: the oil suction opening (6) is arranged at the position close to the bottommost position of the shell of the rear axle box (1).
3. The cooling and lubrication device according to claim 1, wherein: a pressure relief valve block (7) is further arranged between the oil suction pump (4) and the oil cooler oil inlet pipe (12), and the pressure relief valve block (7) is connected with the oil suction pump (4) through an oil suction pump oil outlet pipe (11).
4. The cooling and lubrication device according to claim 3, wherein: the pressure relief valve block (7) is connected with the gearbox (2) through a pressure relief oil pipe (13) and used for conveying oil into the gearbox (2) when a pressure relief valve of the pressure relief valve block (7) is opened.
5. The cooling and lubrication device according to claim 1, wherein: go out the oil pipe and include that oil cooler goes out oil pipe (14), go out oil union coupling rubber tube (15), gearbox oil pipe (16) and rear axle case oil pipe (17), oil cooler goes out oil pipe (14) and is connected with play oil union coupling rubber tube (15), it is connected with gearbox oil pipe (16) and rear axle case oil pipe (17) respectively through three way connection (18) to go out oil union coupling rubber tube (15) for carry respectively to gearbox (2) and rear axle case (1) inside after with the oil cooling.
6. The cooling and lubrication device according to claim 5, wherein: a gearbox oil injection pipe (19) is arranged above a transmission gear in the gearbox (2), the gearbox oil injection pipe (19) is connected with a gearbox oil pipe (16), and one or more oil outlet nozzles are arranged on the gearbox oil injection pipe (19).
7. The cooling and lubrication device according to claim 5 or 6, wherein: and a brake oil injection pipe (20) is arranged above a transmission gear and a brake in the rear axle box (1), the brake oil injection pipe (20) is connected with a rear axle box oil pipe (17), and one or more oil outlet nozzles are arranged on the brake oil injection pipe (20).
8. The cooling and lubrication device according to claim 1, wherein: the oil inlet pipe comprises an oil absorption steel pipe (8) and a filter connecting rubber pipe (9) which are connected with each other.
9. The cooling and lubrication device according to claim 8, wherein: the oil suction steel pipe (8) is connected with the oil suction opening (6) through a straight joint (21).
10. A tractor comprising a cooling and lubricating device of a power train as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022845065.XU CN214146526U (en) | 2020-12-01 | 2020-12-01 | Cooling and lubricating device of transmission system and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022845065.XU CN214146526U (en) | 2020-12-01 | 2020-12-01 | Cooling and lubricating device of transmission system and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146526U true CN214146526U (en) | 2021-09-07 |
Family
ID=77583367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022845065.XU Active CN214146526U (en) | 2020-12-01 | 2020-12-01 | Cooling and lubricating device of transmission system and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146526U (en) |
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2020
- 2020-12-01 CN CN202022845065.XU patent/CN214146526U/en active Active
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