CN223563425U - A speed-increasing gearbox for agricultural equipment and agricultural equipment - Google Patents
A speed-increasing gearbox for agricultural equipment and agricultural equipmentInfo
- Publication number
- CN223563425U CN223563425U CN202520194122.2U CN202520194122U CN223563425U CN 223563425 U CN223563425 U CN 223563425U CN 202520194122 U CN202520194122 U CN 202520194122U CN 223563425 U CN223563425 U CN 223563425U
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- speed increasing
- increasing gearbox
- ball bearing
- agricultural equipment
- gear
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Abstract
本实用新型提供了一种应用于农业装备用增速齿箱以及农业装备。一种应用于农业装备用增速齿箱，包括：输入轴、右壳体、第一油封、输入齿轮、呼吸器、左壳体、第二油封、输出齿轮轴，所述右壳体与所述左壳体连接，所述输入轴的一端设有外花键，所述输入轴以及所述输出齿轮轴均转动安装在所述右壳体和所述左壳体中，所述第一油封、所述输入齿轮均套设在所述输入轴上，所述第一油封安装在所述右壳体中，所述呼吸器安装在所述左壳体的顶部，所述第二油封套设在所述输出齿轮轴上，所述第二油封安装在所述左壳体中。
This utility model provides a speed-increasing gearbox for agricultural equipment and the agricultural equipment itself. The speed-increasing gearbox for agricultural equipment includes: an input shaft, a right housing, a first oil seal, an input gear, a breather, a left housing, a second oil seal, and an output gear shaft. The right housing is connected to the left housing. One end of the input shaft has an external spline. The input shaft and the output gear shaft are rotatably mounted in the right and left housings. The first oil seal and the input gear are both sleeved on the input shaft. The first oil seal is installed in the right housing. The breather is installed on the top of the left housing. The second oil seal is sleeved on the output gear shaft and is installed in the left housing.
Description
Technical Field
The utility model relates to the technical field of speed changing equipment, in particular to a speed increasing gearbox applied to agricultural equipment and the agricultural equipment.
Background
The speed increasing gearbox is one of important working parts of an electric generator and an HST (hydrostatic transmission ) system on agricultural equipment, and has the main functions of receiving power from various pulleys, sprockets, universal joints and the like, providing power for the electric generator and the HST, serving as a power source of the electric generator and the HST on the agricultural equipment and providing various power demands for the whole machine.
The main stream of speed increasing gearbox in the current market generally has the market faults of unstable connection between the speed increasing gearbox and an input device, large volume, heavy weight, large gear noise and the like.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a speed-increasing gearbox applied to agricultural equipment and the agricultural equipment aiming at the defects of the prior art.
The technical scheme includes that the speed increasing gearbox for agricultural equipment comprises an input shaft, a right shell, a first oil seal, an input gear, a respirator, a left shell, a second oil seal and an output gear shaft, wherein the right shell is connected with the left shell, one end of the input shaft is provided with an external spline, the input shaft and the output gear shaft are rotatably arranged in the right shell and the left shell, the first oil seal and the input gear are sleeved on the input shaft, the first oil seal is arranged in the right shell, the respirator is arranged at the top of the left shell, the second oil seal is arranged on the output gear shaft, and the second oil seal is arranged in the left shell.
The technical scheme has the beneficial effects that by designing new layout and structure, the optimal design under the condition that the existing transmission route and transmission mode are unchanged is realized, so that the speed increasing gearbox is firmly connected with the input device, the output shaft is matched with the whole machine more stably, the overall noise of the speed increasing gearbox is reduced, and the existing market problem and maintenance cost of the speed increasing gearbox are effectively reduced. The input shaft is matched with a first oil seal arranged on the right shell to seal lubricating oil in the speed increasing gearbox.
Further, the bottom of right casing is equipped with the oil drain hole, one side of right casing is equipped with the tank filler neck, installs the oil drain plug screw in the oil drain hole, installs the tank filler plug screw in the tank filler neck.
The further technical scheme has the advantages that the appearance of the speed-increasing gearbox for agricultural equipment is optimally designed, the design is performed on the basis of the existing common gearbox, the oil filling hole is additionally formed in the side face of the speed-increasing gearbox, the oil drain hole is formed in the bottom of the speed-increasing gearbox, maintenance of an internal gear is facilitated, and the quality and the service life of a product are improved.
Further, one end of the input shaft is exposed out of the right shell, one end of the input shaft is connected with the belt pulley, the chain wheel or the universal joint through external splines, and the external splines are respectively provided with internal splines matched with the external splines on the belt pulley, the chain wheel and the universal joint.
The technical scheme has the beneficial effects that the external spline of the input shaft of the speed increasing gearbox is connected with the internal spline of the belt pulley, the chain wheel or the universal joint, and the small-clearance large-diameter centering fit is adopted, so that noise and falling caused by vibration in the power transmission process of the belt pulley, the chain wheel or the universal joint can be effectively prevented. Meanwhile, large-diameter centering matching is adopted, the coaxiality of input power of the speed increasing gearbox is good, the speed increasing gearbox can transmit power more preferentially, and the service life is prolonged.
Further, a single-sided gap between the outer diameter of the input shaft and the spigot of the right housing is 0.5.
The technical scheme has the advantages that after the first oil seal is matched with the input shaft, a part of the shaft extends out of the shell after passing through the right shell spigot, and the outer diameter of the input shaft and the right shell spigot have a single-side 0.5 gap, so that the pollution of dust and impurities can be effectively sealed, and the oil leakage phenomenon caused by poor cleanliness of the oil seal is prevented.
Further, the input shaft is connected with the input gear in a single-key matching mode, an inner hole is formed in the input gear, and the input shaft is in transition fit with the inner hole of the input gear.
The technical scheme has the beneficial effects that the input shaft and the input gear are matched by a single key to transmit input power, and enough transmission torque can be borne. The input shaft passes through little transitional fit with the hole of input gear, assembles the input shaft after heating the input gear, and input gear location is more accurate, and center alignment is inseparabler after the cooperation, and the transmission noise is littleer, and gear engagement seal is bigger, and corresponding bearing moment is also bigger, and the gear is difficult to beat the tooth yet.
Further, the input shaft is sleeved with a first ball bearing and a third ball bearing, the output gear shaft is sleeved with a fourth ball bearing and a second ball bearing, the input gear is located between the first ball bearing and the third ball bearing, the right shell and the left shell are respectively provided with a pair of bearing holes, the first ball bearing and the fourth ball bearing are respectively installed in the pair of bearing holes of the right shell, and the second ball bearing and the third ball bearing are respectively installed in the pair of bearing holes of the left shell.
The technical scheme has the advantages that after the first ball bearing and the third ball bearing are mounted on the input shaft, the first ball bearing and the third ball bearing are mounted on the right shell and the left shell, and bearing gaps are positioned through the depth of the axial bearing holes of the shells, so that the requirement of the axial mounting gaps of the ball bearings and the ball bearings is met, and the ball bearings are not easy to move up and down and are difficult to be forced to move out. The output gear shaft bears the output power torque, and in order to increase the supporting strength of the output gear shaft, the left and right sides of the output gear shaft are supported by adopting a fourth ball bearing and a second ball bearing. In order to ensure the supporting strength of the output gear shaft, the output gear shaft and the input gear adopt straight teeth to transmit torque, and under the condition of no axial force, the output gear shaft is supported by a fourth ball bearing and a second ball bearing, and the fourth ball bearing and the second ball bearing are used for positioning an axial gap through bearing holes processed by the right shell and the left shell.
Further, a driven gear is arranged on the output gear shaft, the input gear is meshed with the driven gear, and the input gear and the driven gear are gear grinding processing gears.
The technical scheme has the advantages that the driven gears of the input gear and the output gear shaft are processed by gear grinding, the gears can reach 7-level precision, assembly noise is lower, the contact ratio and the slip ratio of the gears are better, and bearing torque is larger.
Further, a straight-through type single key groove and an inner hole are formed in the output gear shaft, a sealing plug cover and a check ring are arranged on the right side of the output gear shaft, the sealing plug cover is installed in the inner hole, and the check ring is in butt joint with the sealing plug cover.
The technical scheme has the beneficial effects that in order to increase the bearing torque of the output gear shaft, the single key slot in the output gear shaft is a straight-through type, so that the inner hole and the single key slot are convenient to process. The single key groove in the output gear shaft is directly connected with the generator or the HST, a sealing cover is adopted on the right side of the single key groove in the output gear shaft to block an inner hole of the output gear shaft for preventing oil leakage in the output gear shaft, and a check ring is adopted to block the sealing cover for preventing the sealing cover from falling out.
Further, the right shell and the left shell are all aluminum castings, the right shell and the left shell are connected through a pair of locating pins and bolts, and medium-load gear oil is arranged between the right shell and the left shell.
The technical scheme has the beneficial effects that the right shell and the left shell support the internal gear and the shaft, and the right shell and the left shell are cast by adopting aluminum materials for reducing weight and improving the cleanliness and the machining precision of parts. The right shell and the left shell support torque transmission of an internal gear shaft, and in order to ensure coaxiality of bearing holes of the right shell and the left shell, the right shell and the left shell are connected by bolts, and a positioning pin is particularly added. In the connecting process of the right shell and the left shell, two positioning pins are added to position the shells, so that the coaxiality of bearing holes is ensured, and the parallelism of gear transmission is ensured.
In addition, the utility model also provides agricultural equipment, which comprises the speed increasing gearbox applied to the agricultural equipment.
The technical scheme has the beneficial effects that by designing new layout and structure, the optimal design under the condition that the existing transmission route and transmission mode are unchanged is realized, so that the speed increasing gearbox is firmly connected with the input device, the output shaft is matched with the whole machine more stably, the overall noise of the speed increasing gearbox is reduced, and the existing market problem and maintenance cost of the speed increasing gearbox are effectively reduced. The input shaft is matched with a first oil seal arranged on the right shell to seal lubricating oil in the speed increasing gearbox.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic structural diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
Fig. 2 is a second schematic structural diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
Fig. 3 is a third schematic structural view of a speed increasing gearbox for agricultural equipment according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
Fig. 5 is a schematic diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
Fig. 7 is a schematic structural diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
Fig. 8 is a schematic structural diagram of a speed increasing gearbox applied to agricultural equipment according to an embodiment of the present utility model.
The reference numerals are 1, an oil drain screw plug, 2, an input shaft, 3, a right shell, 4, a first oil seal, 5, a first ball bearing, 6, an input gear, 7, a fourth ball bearing, 8, a sealing plug cover, 9, a retainer ring, 10, a breather, 11, a second ball bearing, 12, a left shell, 13, a second oil seal, 14, an output gear shaft, 15, a third ball bearing, 16, an oil filling screw plug, 17 and a positioning pin.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.
As shown in fig. 1 to 8, the embodiment of the utility model provides a speed increasing gearbox applied to agricultural equipment, which comprises an input shaft 2, a right shell 3, a first oil seal 4, an input gear 6, a respirator 10, a left shell 12, a second oil seal 13 and an output gear shaft 14, wherein the right shell 3 is connected with the left shell 12, one end of the input shaft 2 is provided with an external spline, the input shaft 2 and the output gear shaft 14 are rotatably installed in the right shell 3 and the left shell 12, the first oil seal 4 and the input gear 6 are sleeved on the input shaft 2, the first oil seal 4 is installed in the right shell 3, the respirator 10 is installed at the top of the left shell 12, the second oil seal 13 is sleeved on the output gear shaft 14, and the second oil seal 13 is installed in the left shell 12.
The technical scheme has the beneficial effects that by designing new layout and structure, the optimal design under the condition that the existing transmission route and transmission mode are unchanged is realized, so that the speed increasing gearbox is firmly connected with the input device, the output shaft is matched with the whole machine more stably, the overall noise of the speed increasing gearbox is reduced, and the existing market problem and maintenance cost of the speed increasing gearbox are effectively reduced. The input shaft is matched with a first oil seal arranged on the right shell to seal lubricating oil in the speed increasing gearbox.
According to the utility model, through designing new layout and structure, the optimal design under the condition that the existing transmission route and transmission mode are unchanged is realized, so that the speed increasing gearbox is firmly connected with the input device, the output shaft is more stably matched with the whole machine, the overall noise of the speed increasing gearbox is reduced, the overall weight is reduced by one third, the existing market problem and maintenance cost of the speed increasing gearbox are effectively reduced, and the competitiveness of the product is improved.
The novel speed increasing gearbox (the speed increasing gearbox for the agricultural equipment) is optimally designed, the design is carried out on the basis of the existing common gearbox, the oil filling hole is added on the side face of the speed increasing gearbox, the oil drain hole is arranged at the bottom of the speed increasing gearbox, the maintenance of an internal gear is facilitated, and the quality and the service life of a product are improved.
As shown in fig. 1 to 8, further, an oil drain hole is provided at the bottom of the right housing 3, an oil filling hole is provided at one side of the right housing 3, an oil drain plug 1 is installed in the oil drain hole, and an oil filling plug 16 is installed in the oil filling hole.
The further technical scheme has the advantages that the appearance of the speed-increasing gearbox for agricultural equipment is optimally designed, the design is performed on the basis of the existing common gearbox, the oil filling hole is additionally formed in the side face of the speed-increasing gearbox, the oil drain hole is formed in the bottom of the speed-increasing gearbox, maintenance of an internal gear is facilitated, and the quality and the service life of a product are improved.
As shown in fig. 1 to 8, further, one end of the input shaft 2 is exposed at the outer side of the right housing 3, and one end of the input shaft 2 is connected with a belt pulley, a sprocket or a universal joint through external splines, and the external splines, the belt pulley, the sprocket and the universal joint are all provided with internal splines adapted to the external splines.
The technical scheme has the beneficial effects that the external spline of the input shaft of the speed increasing gearbox is connected with the internal spline of the belt pulley, the chain wheel or the universal joint, and the small-clearance large-diameter centering fit is adopted, so that noise and falling caused by vibration in the power transmission process of the belt pulley, the chain wheel or the universal joint can be effectively prevented. Meanwhile, large-diameter centering matching is adopted, the coaxiality of input power of the speed increasing gearbox is good, the speed increasing gearbox can transmit power more preferentially, and the service life is prolonged.
Further, a single-sided gap between the outer diameter of the input shaft 2 and the spigot of the right housing 3 is 0.5.
The technical scheme has the advantages that after the first oil seal is matched with the input shaft, a part of the shaft extends out of the shell after passing through the right shell spigot, and the outer diameter of the input shaft and the right shell spigot have a single-side 0.5 gap, so that the pollution of dust and impurities can be effectively sealed, and the oil leakage phenomenon caused by poor cleanliness of the oil seal is prevented.
As shown in fig. 1 to 8, further, the input shaft 2 is connected with the input gear 6 by a single key fit manner, an inner hole is formed on the input gear 6, and the input shaft 2 is in transition fit with the inner hole of the input gear 6.
The technical scheme has the beneficial effects that the input shaft and the input gear are matched by a single key to transmit input power, and enough transmission torque can be borne. The input shaft passes through little transitional fit with the hole of input gear, assembles the input shaft after heating the input gear, and input gear location is more accurate, and center alignment is inseparabler after the cooperation, and the transmission noise is littleer, and gear engagement seal is bigger, and corresponding bearing moment is also bigger, and the gear is difficult to beat the tooth yet.
As shown in fig. 1 to 8, further, the input shaft 2 is sleeved with a first ball bearing 5 and a third ball bearing 15, the output gear shaft 14 is sleeved with a fourth ball bearing 7 and a second ball bearing 11, the input gear 6 is located between the first ball bearing 5 and the third ball bearing 15, the right housing 3 and the left housing 12 are respectively provided with a pair of bearing holes, the first ball bearing 5 and the fourth ball bearing 7 are respectively mounted in the pair of bearing holes of the right housing 3, and the second ball bearing 11 and the third ball bearing 15 are respectively mounted in the pair of bearing holes of the left housing 12.
The technical scheme has the advantages that after the first ball bearing and the third ball bearing are mounted on the input shaft, the first ball bearing and the third ball bearing are mounted on the right shell and the left shell, and bearing gaps are positioned through the depth of the axial bearing holes of the shells, so that the requirement of the axial mounting gaps of the ball bearings and the ball bearings is met, and the ball bearings are not easy to move up and down and are difficult to be forced to move out. The output gear shaft bears the output power torque, and in order to increase the supporting strength of the output gear shaft, the left and right sides of the output gear shaft are supported by adopting a fourth ball bearing and a second ball bearing. In order to ensure the supporting strength of the output gear shaft, the output gear shaft and the input gear adopt straight teeth to transmit torque, and under the condition of no axial force, the output gear shaft is supported by a fourth ball bearing and a second ball bearing, and the fourth ball bearing and the second ball bearing are used for positioning an axial gap through bearing holes processed by the right shell and the left shell.
As shown in fig. 1 to 8, further, a driven gear is mounted on the output gear shaft 14, the input gear 6 is meshed with the driven gear, and the input gear 6 and the driven gear are gear grinding gears.
The technical scheme has the advantages that the driven gears of the input gear and the output gear shaft are processed by gear grinding, the gears can reach 7-level precision, assembly noise is lower, the contact ratio and the slip ratio of the gears are better, and bearing torque is larger.
As shown in fig. 1 to 8, further, the output gear shaft 14 is provided with a straight-through single key slot and an inner hole, the right side of the output gear shaft 14 is provided with a sealing plug cover 8 and a retainer ring 9, the sealing plug cover 8 is installed in the inner hole, and the retainer ring 9 is abutted with the sealing plug cover 8.
The technical scheme has the beneficial effects that in order to increase the bearing torque of the output gear shaft, the single key slot in the output gear shaft is a straight-through type, so that the inner hole and the single key slot are convenient to process. The single key groove in the output gear shaft is directly connected with the generator or the HST, a sealing cover is adopted on the right side of the single key groove in the output gear shaft to block an inner hole of the output gear shaft for preventing oil leakage in the output gear shaft, and a check ring is adopted to block the sealing cover for preventing the sealing cover from falling out.
As shown in fig. 1 to 8, further, the right housing 3 and the left housing 12 are all cast of aluminum, the right housing 3 and the left housing 12 are connected by a pair of positioning pins 17 and bolts, and medium-load gear oil is provided between the right housing 3 and the left housing 12.
The technical scheme has the beneficial effects that the right shell and the left shell support the internal gear and the shaft, and the right shell and the left shell are cast by adopting aluminum materials for reducing weight and improving the cleanliness and the machining precision of parts. The right shell and the left shell support torque transmission of an internal gear shaft, and in order to ensure coaxiality of bearing holes of the right shell and the left shell, the right shell and the left shell are connected by bolts, and a positioning pin is particularly added. In the connecting process of the right shell and the left shell, two positioning pins are added to position the shells, so that the coaxiality of bearing holes is ensured, and the parallelism of gear transmission is ensured.
As shown in fig. 1 to 8, the embodiment of the utility model provides a speed increasing gearbox for agricultural equipment, which can be a novel speed increasing gearbox for agricultural equipment, and mainly comprises parts such as an oil drain screw plug 1, an input shaft 2, a right shell 3, an input gear 6, a sealing plug 8, a breather 10, a left shell 12, an output gear shaft 14, an oil filling screw plug 16, a positioning pin 17, a ball bearing, an oil seal and the like.
The input shaft 2 of the novel speed increasing gearbox (applied to the speed increasing gearbox for agricultural equipment) applied to the agricultural equipment provided by the embodiment of the utility model is connected with a belt pulley, a chain wheel or a universal joint of the whole machine. The external spline of the speed increasing gearbox is connected with the belt pulley, the chain wheel or the internal spline of the universal joint for power input. In particular, the input shaft 2 is connected with a belt pulley, a chain wheel or a universal joint of the whole machine. The external spline of the speed increasing gearbox (the external spline of the input shaft) is connected with the internal spline of the belt pulley, the chain wheel or the universal joint, and the small clearance and the large diameter are adopted for centering fit, so that noise and falling generated by vibration in the power transmission process of the belt pulley, the chain wheel or the universal joint can be effectively prevented. Meanwhile, large-diameter centering matching is adopted, the input power of the speed increasing gearbox is good in coaxiality, the speed increasing gearbox (applied to the speed increasing gearbox for agricultural equipment) can transmit power more preferentially, and the service life is prolonged.
The input shaft 2 of the novel speed increasing gearbox (applied to the speed increasing gearbox for agricultural equipment) for agricultural equipment provided by the embodiment of the utility model is matched with the first oil seal 4 arranged on the right shell 3 to seal lubricating oil in the speed increasing gearbox. Particularly, the first oil seal 4 is matched on the input shaft 2, a part of the shaft extends out of the right shell 3 after passing through the spigot of the right shell 3 after being matched, and the outer diameter of the input shaft 2 and the spigot of the right shell 3 have a single-side 0.5 gap, so that the pollution of dust and impurities can be effectively sealed, and the oil leakage phenomenon caused by poor cleanliness of the oil seal is prevented.
The novel speed increasing gearbox (the speed increasing gearbox for the agricultural equipment) is characterized in that the input shaft 2 and the input gear 6 are matched through a single key to transmit input power, and the inner holes of the input shaft 2 and the input gear 6 are matched through a small transition. In particular, the input shaft 2 and the input gear 6 are matched by a single key to transmit input power, and can bear enough transmission torque. The input shaft 2 and the inner hole of the input gear 6 are in small transition fit, the input gear 6 is assembled on the input shaft 2 after being heated, the input gear 6 is positioned more accurately, the center alignment is tighter after the matching, the transmission noise is smaller, the gear meshing mark is larger, the corresponding bearing moment is larger, and the gear is not easy to strike teeth.
The novel speed increasing gearbox (applied to agricultural equipment) for agricultural equipment is positioned by installing the first ball bearing 5 and the third ball bearing 15 on two end surfaces of the input gear 6 on the input shaft 2. Particularly, after the first ball bearing 5 and the third ball bearing 15 are installed on the input shaft 2, the first ball bearing 5 and the third ball bearing 15 are installed on the right shell 3 and the left shell 12, and bearing gaps are positioned through the depth of axial bearing holes of the shells, so that the requirement of the axial installation gaps of the first ball bearing 5 and the third ball bearing 15 is ensured, and the first ball bearing 5 and the third ball bearing 15 are not easy to move up and down and are difficult to be forced to move out.
The novel speed-increasing gearbox (speed-increasing gearbox for agricultural equipment) provided by the embodiment of the utility model is used for transmitting power through the input gear 6 and the output gear shaft 14, wherein the output gear shaft 14 is provided with a driven gear which is meshed with the input gear 6 to transmit power. Particularly, the driven gears of the input gear 6 and the output gear shaft 14 are processed by grinding teeth, the gears can reach 7-level precision, the assembly noise is lower, the contact ratio and the slip ratio of the gears are better, and the bearing torque is larger.
The novel output gear shaft 14 applied to the speed increasing gearbox for agricultural equipment (applied to the speed increasing gearbox for agricultural equipment) provided by the embodiment of the utility model is output by a single key, and in order to increase the bearing torque of the output gear shaft 14, the single key groove in the output gear shaft 14 is a straight-through type, so that an inner hole and the single key groove can be conveniently machined. In particular, the single key groove in the output gear shaft 14 is directly connected with a generator or HST, in order to prevent internal oil leakage, the right side of the single key groove in the output gear shaft 14 is provided with a sealing cover 8 to block the inner hole of the output gear shaft 14, and in order to prevent the sealing cover 8 from falling out, a check ring 9 is provided to block the sealing cover 8.
The novel right shell 3 and the left shell 12 applied to the speed increasing gearbox for the agricultural equipment (applied to the speed increasing gearbox for the agricultural equipment) provided by the embodiment of the utility model support the internal gear and the shaft, and are cast by adopting aluminum materials for reducing weight and improving the cleanliness and the machining precision of parts. Particularly, in order to increase the supporting strength of the right shell 3 and the left shell 12, the aluminum shell is cast by high-pressure casting, so that the shell density is higher, the probability of internal air hole sand holes is reduced, the yield is higher, the casting processing efficiency is improved, the cost of parts is further reduced, and the strength of the right shell 3 and the left shell 12 is higher.
The output gear shaft 14 of the novel speed increasing gearbox for agricultural equipment (applied to the speed increasing gearbox for agricultural equipment) provided by the embodiment of the utility model bears the output power torque, and in order to increase the supporting strength of the output gear shaft 14, the left and right sides of the output gear shaft 14 are supported by adopting the fourth ball bearings 7 and the second ball bearings 11. In particular, in order to ensure the supporting strength of the output gear shaft 14, and simultaneously, since the output gear shaft 14 and the input gear 6 adopt straight teeth to transmit torque, the output gear shaft 14 is supported by the fourth ball bearing 7 and the second ball bearing 11 under the condition of no axial force, and the fourth ball bearing 7 and the second ball bearing 11 support the bearing holes machined through the right housing 3 and the left housing 12 to position the axial gap.
The novel speed increasing gearbox (speed increasing gearbox for agricultural equipment) for the agricultural equipment is characterized in that the right shell 3 and the left shell 12 support torque transmission of an internal gear shaft, and in order to ensure coaxiality of bearing holes of the right shell 3 and the left shell 12, the right shell 3 and the left shell 12 are connected by bolts, and a positioning pin 17 is particularly added. In particular, in the connecting process of the right shell 3 and the left shell 12, two positioning pins 17 are added to position the shells, so that the coaxiality of bearing holes is ensured, and the parallelism of gear transmission is ensured.
The novel lubrication of the inside of the right shell 3 and the left shell 12 of the speed increasing gearbox (applied to the speed increasing gearbox for agricultural equipment) for the agricultural equipment provided by the embodiment of the utility model adopts medium-load gear oil for lubrication, has better lubrication effect, can fully lubricate the gear shaft, and is additionally provided with the respirator 10 at the highest position of the speed increasing gearbox.
The utility model realizes the great improvement of the supporting strength of the speed-increasing gearbox applied to agricultural equipment by designing new layout and structure, has more excellent lubricating performance and larger bearing moment, simultaneously greatly reduces the noise and quality of the assembly, solves the problems of short service cycle of parts, bearing sintering, oil seal damage, oil leakage and the like caused by poor connecting strength of the speed-increasing gearbox in the market, greatly improves the product performance, reduces the use cost and maintenance cost, and improves the competitiveness of the product.
In addition, the utility model also provides agricultural equipment, which comprises the speed increasing gearbox applied to the agricultural equipment.
The technical scheme has the beneficial effects that by designing new layout and structure, the optimal design under the condition that the existing transmission route and transmission mode are unchanged is realized, so that the speed increasing gearbox is firmly connected with the input device, the output shaft is matched with the whole machine more stably, the overall noise of the speed increasing gearbox is reduced, and the existing market problem and maintenance cost of the speed increasing gearbox are effectively reduced. The input shaft is matched with a first oil seal arranged on the right shell to seal lubricating oil in the speed increasing gearbox.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a be applied to speed increasing gearbox for agricultural equipment, its characterized in that includes input shaft (2), right casing (3), first oil blanket (4), input gear (6), respirator (10), left casing (12), second oil blanket (13), output gear axle (14), right casing (3) with left casing (12) are connected, one end of input shaft (2) is equipped with the external spline, input shaft (2) and output gear axle (14) are all rotated and are installed right casing (3) with in left casing (12), first oil blanket (4) input gear (6) are all overlapped and are established on input shaft (2), first oil blanket (4) are installed in right casing (3), respirator (10) are installed the top of left casing (12), second oil blanket (13) cover are established on output gear axle (14), second oil blanket (13) are installed in left casing (12).
2. The speed increasing gearbox for agricultural equipment according to claim 1, wherein an oil drain hole is formed in the bottom of the right shell (3), an oil filling hole is formed in one side of the right shell (3), an oil drain plug (1) is arranged in the oil drain hole, and an oil filling plug (16) is arranged in the oil filling hole.
3. The speed increasing gearbox for agricultural equipment according to claim 1, wherein one end of the input shaft (2) is exposed out of the right housing (3), and one end of the input shaft (2) is connected with a belt pulley, a chain wheel or a universal joint through external splines, and the external splines are respectively provided with internal splines matched with the external splines on the belt pulley, the chain wheel and the universal joint.
4. The speed increasing gearbox applied to agricultural equipment according to claim 1, wherein a single-sided clearance between an outer diameter of the input shaft (2) and a spigot of the right housing (3) is 0.5.
5. The speed increasing gearbox for agricultural equipment according to claim 1, wherein the input shaft (2) is connected with the input gear (6) in a single-key fit manner, an inner hole is formed in the input gear (6), and the input shaft (2) is in transition fit with the inner hole of the input gear (6).
6. The speed increasing gearbox for agricultural equipment according to claim 1, wherein a first ball bearing (5) and a third ball bearing (15) are sleeved on the input shaft (2), a fourth ball bearing (7) and a second ball bearing (11) are sleeved on the output gear shaft (14), the input gear (6) is located between the first ball bearing (5) and the third ball bearing (15), a pair of bearing holes are formed in the right housing (3) and the left housing (12), the first ball bearing (5) and the fourth ball bearing (7) are respectively installed in the pair of bearing holes of the right housing (3), and the second ball bearing (11) and the third ball bearing (15) are respectively installed in the pair of bearing holes of the left housing (12).
7. The speed increasing gearbox for agricultural equipment according to claim 1, wherein a driven gear is mounted on the output gear shaft (14), the input gear (6) is meshed with the driven gear, and the input gear (6) and the driven gear are gear grinding processing gears.
8. The speed increasing gearbox for agricultural equipment according to claim 1, wherein the output gear shaft (14) is provided with a straight-through single key groove and an inner hole, the right side of the output gear shaft (14) is provided with a sealing plug cover (8) and a check ring (9), the sealing plug cover (8) is installed in the inner hole, and the check ring (9) is abutted with the sealing plug cover (8).
9. The speed increasing gearbox for agricultural equipment according to claim 1, wherein the right housing (3) and the left housing (12) are all cast of aluminum materials, the right housing (3) and the left housing (12) are connected through a pair of locating pins (17) and bolts, and medium-load gear oil is arranged between the right housing (3) and the left housing (12).
10. An agricultural implement comprising a speed increasing gearbox as claimed in any one of claims 1 to 9 for use in agricultural implement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520194122.2U CN223563425U (en) | 2025-02-07 | 2025-02-07 | A speed-increasing gearbox for agricultural equipment and agricultural equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520194122.2U CN223563425U (en) | 2025-02-07 | 2025-02-07 | A speed-increasing gearbox for agricultural equipment and agricultural equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223563425U true CN223563425U (en) | 2025-11-18 |
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ID=97661325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520194122.2U Active CN223563425U (en) | 2025-02-07 | 2025-02-07 | A speed-increasing gearbox for agricultural equipment and agricultural equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223563425U (en) |
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2025
- 2025-02-07 CN CN202520194122.2U patent/CN223563425U/en active Active
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