A lubricating gearbox device and its injection device

Abstract

The present invention discloses a lubricating gearbox device and its injection device, which includes a box body, a power input component, a power output component, and an oil liquid circulation system. The oil liquid circulation system includes an oil pump, a heat exchanger, an oil storage tank, and injection devices (9, 10). The injection devices are used to spray oil liquid at the bevel gears and / or bearings inside the box body; the nozzle includes a first cylindrical body (91), a second cylindrical body (92), and a third cylindrical body (93). A first spring (95) is arranged inside the left cylindrical section, a first through hole (97) is formed in the outer peripheral wall of the right cylindrical section, and a first limiting and guiding portion (98) is arranged on the outer peripheral wall of the right cylindrical section. The present invention can adjust the flow area of the first through hole and the volume of the eddy current cavity. Through the setting of the first swirl blade, the second swirl blade, and the micro-concave and convex structure, the liquid eddy current / vortex effect of the eddy current cavity can be adjusted / improved, so that the injection uniformity of the injection device can be adjusted / improved, the droplet size can be reduced, the oil liquid / oil mist atomization effect can be improved, and thus the lubrication and cooling effects of the oil liquid and the oil liquid utilization rate can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of gear transmission devices, and particularly relates to a lubricating type gearbox device and its spraying device. Background Art

[0002] The existing lubricating type gearbox device includes a box body, a power input component, a power output component, and an oil liquid circulation system. The power input component and the power output component are installed in the box body. The oil liquid circulation system includes an oil pump, a heat exchanger, an oil storage tank, a control valve, pipelines, and a spraying device. The spraying device is used to spray oil liquid / oil mist onto gears and / or bearings. However, the existing spraying device still has problems such as poor vortex / vortex effect in the vortex chamber, poor spraying uniformity, large droplet size, and the atomization / spraying effect needs to be further improved. Summary of the Invention

[0003] The object of the present invention is to overcome the deficiencies existing in the prior art, and provide a lubricating type gearbox device and its spraying device, which can adjust the flow area of the first through hole and the volume of the vortex chamber, so as to adjust / improve the liquid vortex / vortex effect in the vortex chamber. Through the settings of the first swirl vane, the second swirl vane, and the micro-concave-convex structure, the liquid vortex / vortex effect in the vortex chamber can be adjusted / improved, the spraying uniformity of the spraying device can be adjusted / improved, the droplet size can be reduced, the atomization / spraying effect of the oil liquid / oil mist can be improved, thereby improving the lubrication and cooling effects of the oil liquid and the oil utilization rate.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A lubricating gearbox device, which comprises a box body (1), a power input component (2), a first power output component (3), a second power output component (4), and an oil circulation system. The power input component, the first power output component, and the second power output component are installed inside the box body. The oil circulation system includes a first oil pump (5), a heat exchanger (6), an oil storage tank (7), a second oil pump (8), injection devices (9, 10), and an adjustment control valve. One end of the first oil pump is connected to the bottom of the box body through a pipeline, and the other end of the first oil pump is connected to the heat exchanger, the oil storage tank, and the second oil pump in sequence through a pipeline. The other end of the second oil pump is connected to the injection devices through a pipeline and the adjustment control valve. The injection devices are arranged inside the box body and are used for spraying oil onto the bevel gears and / or bearing assemblies inside the box body; the injection devices include a first injection device 9 and / or a second injection device 10, and the first injection device 9 and / or the second injection device 10 include nozzles. The nozzle includes a first cylindrical body (91), a second cylindrical body (92), a third cylindrical body (93), and an injection outlet hole (94). The left end of the first cylindrical body is threadedly connected to the second cylindrical body, and the right end of the first cylindrical body is provided with a thread for connecting to a pipeline. The third cylindrical body is installed inside the first cylindrical body. The center of the second cylindrical body is provided with an injection outlet hole. A vortex chamber is formed among the left end of the first cylindrical body, the second cylindrical body, and the left end of the third cylindrical body; characterized in that: the third cylindrical body (93) includes a left cylinder section and a right cylinder section, which are separated by a blocking wall (96). A first spring (95) is arranged inside the left cylinder section. One end of the first spring is connected to one end surface of the second cylindrical body, and the other end is connected to the blocking wall. The outer peripheral wall of the right cylinder section is provided with a first through hole (97), and a plurality of first through holes are distributed circumferentially. The first through hole is used for forming the liquid flow path of the third cylindrical body and for communicating the inner cavity of the right cylinder section, the inner cavity of the left cylinder section, and the vortex chamber. The outer peripheral wall of the right cylinder section is provided with a first limiting and guiding portion (98), and one or more first limiting and guiding portions are distributed circumferentially. The first limiting and guiding portion is slidably matched with a first guiding groove on the inner peripheral wall of the first cylindrical body.

[0006] Further, the third cylindrical body (93) moves inside the first cylindrical body (91) through the first limiting and guiding portion (98) in response to different liquid pressures, that is, the third cylindrical body moves different displacements axially under the action of different liquid pressures to adjust the flow area of the first through hole (97) and the volume of the vortex chamber.

[0007] Further, the left cylinder section includes a first end portion (99), a second end portion (100), and a first swirl vane (101). A first swirl vane is connected between the first end portion and the second end portion, and a plurality of first swirl vanes are distributed circumferentially. The first swirl vane has a first preset swirl angle, and the flow path of the first swirl vane communicates with the inner cavity of the left cylinder section.

[0008] Further, a second swirl vane (102) is installed at the left end of the left cylinder section. A plurality of second swirl vanes are circumferentially distributed. A guiding section (103) is provided at the right end of the second swirl vane. A second limiting and guiding part (104) is provided at the right end of the guiding section. The second limiting and guiding part is slidably matched with a second guiding groove in a second through hole (105) opened on the left cylinder section. One end of a second spring (106) is connected to the bottom of the groove of the second through hole, and the other end is connected to the second limiting and guiding part. The second through hole communicates with a blade flow passage between a plurality of first swirl vanes, so that the second swirl vane moves axially in response to liquid pressure, that is, the guiding section moves different displacements axially under different liquid pressures.

[0009] Further, the second swirl vane (102) has a second preset swirl angle, which is different from the angle value of the first preset swirl angle and has a different swirl direction.

[0010] Further, a micro-concave-convex structure (107) is provided on the outer peripheral surface of the first spring (95), and the micro-concave-convex structure is distributed in an array, dense, and almost full manner.

[0011] Further, the cross-sectional diameter of the first spring (95) is larger than the cross-sectional diameter of the second spring (106), and the outer diameter and length of the first spring are larger than the outer diameter and length of the second spring. The stiffness / elastic coefficient of the first spring is greater than the stiffness / elastic coefficient of the second spring.

[0012] Further, the blade flow passages between a plurality of first swirl vanes (101) penetrate through both ends in the radial direction thereof, and the blade flow passages between a plurality of second swirl vanes (102) penetrate through both ends in the radial direction thereof.

[0013] Further, the outer diameter of the first spring (95) < the inner diameter of the second swirl vane (102), and the outer diameter of the second swirl vane ≤ the outer diameter of the second end portion (100); the inner diameter of the first swirl vane (101) ≤ the inner diameter of the second end portion, and the outer diameter of the first swirl vane ≤ the outer diameter of the first end portion (99).

[0014] A lubricating gearbox device and its injection device of the present invention have the following beneficial technical effects:

[0015] (1) In the present invention, the third cylinder body moves in the first cylinder body through the first limiting and guiding part in response to different liquid pressures, that is, the third cylinder body moves different displacements axially under different liquid pressures, so as to adjust the flow area of the first through hole and the volume of the eddy current cavity, thereby adjusting / improving the liquid eddy current / vortex effect in the eddy current cavity, adjusting / improving the injection uniformity of the injection device, reducing the droplet size, improving the oil / oil mist atomization effect, and thus improving the lubrication and cooling effects of the oil and the oil utilization rate.

[0016] (2) Through the design of the first swirling vane, the second swirling vane, and the micro-concave-convex structure, the present invention can further improve the swirling / vortex effect of the liquid in the inner cavity of the left cylinder section and the vortex chamber, thereby being able to adjust / improve the spraying uniformity of the spraying device, reduce the droplet size, improve the atomization / spraying effect of the oil liquid / oil mist, and thus improve the lubrication and cooling effects of the oil liquid and the utilization rate of the oil liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the lubricating type gearbox device of the prior art / the present invention;

[0018] Figure 2 is a schematic structural diagram of the spraying device of the present invention;

[0019] Figure 3 is a schematic structural diagram of the spraying device of the present invention.

[0020] In the figure: housing 1, power input component 2, first power output component 3, second power output component 4, first oil pump 5, heat exchanger 6, oil storage tank 7, second oil pump 8, first spraying device 9, second spraying device 10, first cylinder part 11, second cylinder part 12, first bevel gear 22, second bevel gear 32, third bevel gear 42; first cylindrical body 91, second cylindrical body 92, third cylindrical body 93, spraying outlet hole 94, first spring 95, sealing wall 96, first through hole / slot 97, first limiting and guiding part 98, first end 99, second end 100, first swirling / vortex vane 101, second swirling / vortex vane 102, guiding section 103, second limiting and guiding part 104, second through hole / slot 105, second spring 106, micro-concave-convex structure 107. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the technical solutions and their advantages of the present invention clearer, the technical solutions of the present invention will be further described clearly and completely below with reference to the accompanying drawings. It can be understood that the specific embodiments described herein are only partial embodiments of the present invention, which are only used to explain the present invention and not to limit the present invention. It should be noted that for the convenience of description, only the parts / structures related to the present invention are shown in the drawings, and other related parts can refer to the general design. Without conflict, the embodiments in the present invention and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0022] Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the present invention shall have the ordinary meanings understood by those of ordinary skill in the art in the field to which the present invention belongs.

[0023] The present invention will be further described in detail below with reference to the accompanying drawings.

[0024] As Figure 1 shown, an existing / lubricating type gearbox device of the present invention includes a box body 1, a power input assembly 2, a first power output assembly 3, a second power output assembly 4, and an oil circulation system. The power input assembly 2, the first power output assembly 3, and the second power output assembly 4 are installed in the box body 1. The axis of the first power output assembly 3 is collinear with the axis of the second power output assembly 4, and the axis of the power input assembly 2 is perpendicular to the axis of the first power output assembly 3. The box body 1 includes a first cylindrical portion 11 and a second cylindrical portion 12. The first cylindrical portion 11 is provided at the bottom of the box body 1 for installing the power input assembly 2, and the second cylindrical portion 12 is provided at both side portions of the box body 1 for installing the first power output assembly 3 and the second power output assembly 4. The power input assembly 2 includes a first bevel gear 22 installed on the input shaft and a first rolling bearing assembly. The first rolling bearing assembly is installed in the first cylindrical portion 11. The first power output assembly 3 includes a second bevel gear 32 installed on the first output shaft and a second rolling bearing assembly. The second rolling bearing assembly is installed in the second cylindrical portion 12. The second power output assembly 4 includes a third bevel gear 42 installed on the second output shaft and a third rolling bearing assembly. The third rolling bearing assembly is installed in the other second cylindrical portion 12.

[0025] The oil circulation system includes a first oil pump 5, a heat exchanger 6, an oil storage tank 7, a second oil pump 8, a first spraying device 9, a second spraying device 10, and an adjusting control valve. One end of the first oil pump 5 is connected to the bottom of the box body 1 through a pipeline / connected, and the other end of the first oil pump 5 is connected to the heat exchanger 6, the oil storage tank 7, and the second oil pump 8 in sequence through a pipeline. The other end of the second oil pump 8 is connected to the first spraying device 9 and the second spraying device 10 through a pipeline and the adjusting control valve. The first spraying device 9 is provided in the box body 1 and is used to spray oil / oil mist at the meshing portion of the bevel gears in the box body 1. The second spraying device 10 is provided on the second cylindrical portion 12 and is used to spray oil / oil mist at the bearing assembly in the second cylindrical portion 12.

[0026] The first oil pump 5 and the second oil pump 8 are used to pump oil to realize the recycling of oil. The heat exchanger 6 is used to cool the oil. The flowing oil is used to improve the lubrication and cooling effects of the gear transmission assembly and the bearing assembly. The first spraying device 9 and the second spraying device 10 are used to spray oil / oil mist at the gears and / bearings to improve the lubrication and cooling effects of the oil and the oil utilization rate.

[0027] As Figures 2-3As shown in the figure, an injection device for a lubricating gearbox device of the present invention includes a first injection device 9 and a second injection device 10. The first injection device 9 and / or the second injection device 10 includes a nozzle. The nozzle includes a first cylindrical body 91, a second cylindrical body 92, a third cylindrical body 93, and an injection outlet hole 94. The left end / downstream end of the first cylindrical body 91 is connected / installed to the second cylindrical body 92 by a thread. A thread for connecting to a pipeline is provided at the right end / upstream end of the first cylindrical body 91. A third cylindrical body 93 is installed inside the first cylindrical body 91. An injection outlet hole 94 is provided at the center of the second cylindrical body 92. A vortex chamber / swirl chamber is formed among the left end of the first cylindrical body 91, the second cylindrical body 92, and the left end of the third cylindrical body 93. It is characterized in that: the third cylindrical body 93 includes a left cylinder section and a right cylinder section, which are separated by a blocking wall 96. A first spring 95 is provided inside the left cylinder section. One end of the first spring 95 is connected to one end surface of the second cylindrical body 92, and the other end is connected to the blocking wall 96. A first through hole / through groove 97 is provided on the outer peripheral wall of the right cylinder section. A plurality of first through holes 97 are distributed circumferentially. The first through hole 97 is used to form a liquid flow channel of the third cylindrical body 93, and is used to connect the inner cavity of the right cylinder section, the inner cavity of the left cylinder section, and the vortex chamber. A first limiting and guiding portion 98 is provided on the outer peripheral wall of the right cylinder section. One or more first limiting and guiding portions 98 are distributed circumferentially. The first limiting and guiding portion 98 is slidably matched with a first guiding groove on the inner peripheral wall of the first cylindrical body 91.

[0028] The third cylindrical body 93 moves inside the first cylindrical body 91 through the first limiting and guiding portion 98 in response to different liquid pressures, that is, the third cylindrical body 93 moves different displacements axially under the action of different liquid pressures to adjust the flow area of the first through hole 97 and the volume of the vortex chamber, so as to adjust / improve the liquid vortex / swirl effect in the vortex chamber, adjust / improve the injection uniformity of the injection device, reduce the droplet size, improve the oil / oil mist atomization effect, thereby improving the lubrication and cooling effects of the oil and the oil utilization rate.

[0029] The left cylinder section includes a first end portion 99, a second end portion 100, and a first vortex / swirl blade 101. A first swirl blade 101 is connected between the first end portion 99 and the second end portion 100. A plurality of first swirl blades 101 are distributed circumferentially. The first swirl blade 101 has a first preset swirl angle. The flow channel of the first swirl blade 101 communicates with the inner cavity of the left cylinder section. Through the design of the first swirl blade 101 of the present invention, the vortex / swirl effect of the liquid in the inner cavity of the left cylinder section can be improved.

[0030] Further, a second eddy current / vortex blade 102 is installed at the left end of the left cylinder section. A plurality of second vortex blades 102 are circumferentially distributed. A guiding section 103 is provided at the right end of the second vortex blade 102. A second limiting and guiding part 104 is provided at the right end of the guiding section 103. The second limiting and guiding part 104 is slidably engaged with a second guiding groove in a second through hole / slot 105 formed in the left cylinder section. One end of a second spring 106 is connected to the bottom of the groove of the second through hole 105, and the other end is connected to the second limiting and guiding part 104. The second through hole 105 communicates with the blade flow passage between the plurality of first vortex blades 101, so that the second vortex blade 102 moves axially in response to the liquid pressure, that is, the guiding section 103 moves different displacements axially under different liquid pressures. Through the design of the second vortex blade 102 of the present invention, the eddy current / vortex effect of the liquid in the inner cavity of the left cylinder section and the vortex cavity can be further improved, so that the spraying uniformity of the spraying device can be adjusted / improved, the droplet size can be reduced, the atomization effect of the oil liquid / oil mist can be improved, and thus the lubrication and cooling effects of the oil liquid and the oil liquid utilization rate can be improved.

[0031] The second vortex blade 102 has a second preset vortex angle, and the angle value of the second preset vortex angle is different from that of the first preset vortex angle, and the vortex directions are different; to further adjust / improve the eddy current / vortex effect of the liquid in the inner cavity of the left cylinder section and the vortex cavity.

[0032] Further, a micro-concave-convex structure 107 is provided on the outer peripheral surface of the first spring 95, and the micro-concave-convex structure 107 is distributed in an array, dense, and almost full manner. Through the design of the micro-concave-convex structure 107, the eddy current / vortex effect of the liquid in the inner cavity of the left cylinder section and the vortex cavity can be further adjusted / improved.

[0033] The cross-sectional diameter of the first spring 95 is larger than that of the second spring 106, and the outer diameter and length of the first spring 95 are greater / much greater than the outer diameter and length of the second spring 106, and / or the stiffness / elastic coefficient of the first spring 95 is greater than that of the second spring 106.

[0034] The blade flow passages between the plurality of first vortex blades 101 penetrate through both ends in the radial direction thereof, and the blade flow passages between the plurality of second vortex blades 102 penetrate through both ends in the radial direction thereof.

[0035] The outer diameter of the first spring 95 < the inner diameter of the second vortex blade 102, and the outer diameter of the second vortex blade 102 ≤ the outer diameter of the second end part 100; the inner diameter of the first vortex blade 101 ≤ the inner diameter of the second end part 100, and the outer diameter of the first vortex blade 101 ≤ the outer diameter of the first end part 99.

[0036] A lubricating gearbox device and its spraying device of the present invention have the following beneficial technical effects:

[0037] (1) In the present invention, the third cylindrical body 93 moves within the first cylindrical body 91 through the first limit guiding portion 98 in response to different liquid pressures, that is, the third cylindrical body 93 moves different displacements axially under the action of different liquid pressures to adjust the flow area of the first through hole 97 and the volume of the eddy current cavity, thereby adjusting / improving the liquid eddy current / vortex effect in the eddy current cavity, adjusting / improving the spraying uniformity of the spraying device, reducing the droplet size, improving the oil / oil mist atomization effect, and thus improving the lubrication and cooling effects of the oil and the oil utilization rate.

[0038] (2) Through the design of the first swirl blade 101, the second swirl blade 102, and the micro-convex and concave structure 107, the present invention can further improve the eddy current / vortex effect of the liquid in the inner cavity of the left cylinder section and the eddy current cavity, thereby being able to adjust / improve the spraying uniformity of the spraying device, reduce the droplet size, improve the oil / oil mist atomization / spraying effect, and thus improve the lubrication and cooling effects of the oil and the oil utilization rate.

[0039] The above embodiments are illustrative of the present invention and not restrictive thereof. It will be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lubricating gearbox device, which comprises a box body (1), a power input component (2), a first power output component (3), a second power output component (4), and an oil circulation system. The power input component, the first power output component, and the second power output component are installed in the box body. The oil circulation system includes a first oil pump (5), a heat exchanger (6), an oil storage tank (7), a second oil pump (8), injection devices (9, 10), and an adjustment control valve. One end of the first oil pump is connected to the bottom of the box body through a pipeline, and the other end of the first oil pump is connected to the heat exchanger, the oil storage tank, and the second oil pump in sequence through pipelines. The other end of the second oil pump is connected to the injection devices through a pipeline and the adjustment control valve. The injection devices are arranged in the box body and are used for spraying oil onto the bevel gears and / or bearing assemblies in the box body; The injection devices include a first injection device and / or a second injection device. The injection devices include nozzles. The nozzle includes a first cylindrical body (91), a second cylindrical body (92), a third cylindrical body (93), and an injection outlet hole (94). The left end of the first cylindrical body is threadedly connected to the second cylindrical body, and the right end of the first cylindrical body is provided with a thread for connecting to a pipeline. The third cylindrical body is installed in the first cylindrical body. The center of the second cylindrical body is provided with the injection outlet hole. An eddy current cavity is formed among the left end of the first cylindrical body, the second cylindrical body, and the left end of the third cylindrical body; It is characterized in that: The third cylindrical body (93) includes a left barrel section and a right barrel section, which are separated by a sealing wall (96). A first spring (95) is arranged in the left barrel section. One end of the first spring is connected to one end face of the second cylindrical body, and the other end is connected to the sealing wall. The outer peripheral wall of the right barrel section is provided with a first through hole (97), and a plurality of first through holes are distributed circumferentially. The first through holes are used to form the liquid flow path of the third cylindrical body and are used to communicate the inner cavity of the right barrel section, the inner cavity of the left barrel section, and the eddy current cavity. The outer peripheral wall of the right barrel section is provided with a first limiting and guiding portion (98), and a plurality of first limiting and guiding portions are distributed circumferentially. The first limiting and guiding portion is slidably matched with a first guiding groove on the inner peripheral wall of the first cylindrical body; The third cylindrical body (93) moves in the first cylindrical body through the first limiting and guiding portion in response to different liquid pressures, that is, the third cylindrical body moves different displacements axially under the action of different liquid pressures to adjust the flow area of the first through hole (97) and the volume of the eddy current cavity. The left barrel section includes a first end portion (99), a second end portion (100), and a first swirl vane (101). The first end portion and the second end portion are connected by the first swirl vane. A plurality of first swirl vanes are distributed circumferentially. The first swirl vane has a first preset swirl angle, and the flow path of the first swirl vane communicates with the inner cavity of the left barrel section.

2. The lubricating gearbox device according to claim 1, characterized in that, A second swirl vane (102) is installed at the left end of the left cylinder section. A plurality of second swirl vanes are circumferentially distributed. A guiding section (103) is provided at the right end of the second swirl vane. A second limiting and guiding portion (104) is provided at the right end of the guiding section. The second limiting and guiding portion is slidably engaged with a second guiding groove in a second through hole (105) formed in the left cylinder section. One end of a second spring (106) is connected to the bottom of the groove of the second through hole, and the other end is connected to the second limiting and guiding portion. The second through hole communicates with a blade flow passage between a plurality of first swirl vanes, so that the second swirl vane moves axially in response to liquid pressure, that is, the guiding section moves different displacements axially under the action of different liquid pressures.

3. The lubricating gearbox device according to claim 2, wherein, The second swirl vane (102) has a second preset swirl angle, and the angle value of the second preset swirl angle is different from that of the first preset swirl angle, and the swirl directions are different.

4. The lubricating gearbox device according to claim 3, wherein A micro-concave-convex structure (107) is provided on the outer peripheral surface of the first spring (95), and the micro-concave-convex structure is distributed in an array, dense, and almost fully covered manner.

5. The lubricating gearbox device according to claim 4, wherein The cross-sectional diameter of the first spring (95) is larger than the cross-sectional diameter of the second spring (106), and the outer diameter and length of the first spring are larger than the outer diameter and length of the second spring. The elastic coefficient of the first spring is greater than the elastic coefficient of the second spring.

6. The lubricating gearbox device according to claim 5, characterized in that, The blade flow passages between a plurality of first swirl vanes (101) penetrate through both ends in their radial directions, and the blade flow passages between a plurality of second swirl vanes (102) penetrate through both ends in their radial directions.

7. The lubricating gearbox device according to claim 5, characterized in that, The outer diameter of the first spring (95) < the inner diameter of the second swirl vane (102), and the outer diameter of the second swirl vane ≤ the outer diameter of the second end portion (100); the inner diameter of the first swirl vane (101) ≤ the inner diameter of the second end portion, and the outer diameter of the first swirl vane ≤ the outer diameter of the first end portion (99).

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