CN219198048U - Wear-resistant spiral bevel gear of speed reducer - Google Patents

Abstract

The utility model belongs to the technical field of gears, in particular to a wear-resistant speed reducer spiral bevel gear, and aims at the problems that the existing lubricating oil flows out of oil guide holes and then flows on the outer wall of the spiral bevel gear, and because the outer wall of the spiral bevel gear is smooth and the meshing between two spiral bevel gears is tight, the lubricating oil is easy to extrude in the rotating process and runs off rapidly, the wear-resistant speed reducer spiral bevel gear currently provides a scheme which comprises a gear part, wherein a plurality of first oil guide holes are formed on the outer wall of the gear part, a tooth shaft is fixedly connected to the inner wall of the bottom of the gear part, an oil ring is sleeved on the outer wall of the tooth shaft in a sliding manner, a plurality of oil storage grooves are formed on the outer wall of the oil ring, and a first installation groove is formed on the inner wall of the oil ring.

Description

Wear-resistant spiral bevel gear of speed reducer

Technical Field

The utility model relates to the technical field of gears, in particular to a spiral bevel gear of a wear-resistant speed reducer.

Background

The spiral bevel gear has the advantages of high transmission efficiency, stable transmission ratio, large arc overlapping coefficient, high bearing capacity, stable and smooth transmission, reliable work, compact structure, energy and material saving, space saving, wear resistance, long service life and low noise, plays an important role in power transmission of a plurality of mechanical devices, and still pays attention to reducing the wear of the spiral bevel gear in the use process, so that the service life is prolonged.

The utility model relates to the technical field of gears, in particular to a self-lubricating spiral bevel gear, which comprises a gear shaft and an oil ring, wherein one end of the gear shaft is provided with a gear tooth part, one end of the gear tooth part, which is close to the gear shaft, is provided with grooves matched with the oil ring, one end of the oil ring is arranged in the grooves, the contact surface between the oil ring and the grooves is provided with a plurality of oil storage units, the plurality of oil storage units are axially arranged along the gear shaft, each oil storage unit comprises a plurality of oil storage grooves which are circumferentially distributed along the gear shaft and are mutually separated, a through hole which is mutually communicated is formed between every two adjacent oil storage grooves, one end of each oil guide hole is communicated with the outer circumferential surface of the gear tooth part, and when the self-lubricating spiral bevel gear is used, the oil storage grooves which are mutually separated are arranged on the oil ring, so that each oil storage groove can store some oil, and the oil storage grooves with more oil can flow to at least one oil storage groove.

But the following problems still occur during use:

1. the lubricating oil flows out of the oil guide hole and then flows on the outer wall of the spiral bevel gear, and the lubricating oil is easy to be extruded out and quickly lost in the rotation process because the outer wall of the spiral bevel gear is smooth and the two spiral bevel gears are meshed tightly;

2. when the oil ring is required to be replenished with lubricating oil, the lubricating oil does not flow into the inner wall of the spiral bevel gear due to the fact that the oil guide hole is not sealed, so that machining chips, fine particles and the like are easily adhered to the inner wall, and the installation of the oil ring and the cleaning of the inner wall of the spiral bevel gear are affected.

In order to solve the problems, the utility model provides a spiral bevel gear of a wear-resistant speed reducer.

Disclosure of Invention

The utility model provides a spiral bevel gear of a wear-resistant speed reducer, which solves the defects that in the prior art, lubricating oil flows on the outer wall of the spiral bevel gear after flowing out of an oil guide hole, the lubricating oil is easy to be extruded out and quickly runs off in the rotation process due to the fact that the outer wall of the spiral bevel gear is smooth and the meshing between two spiral bevel gears is tight, and when the lubricating oil is needed to be replenished to an oil ring, the lubricating oil flows into the inner wall of the spiral bevel gear due to the fact that the oil guide hole is not sealed, so that machining fragments, fine particles and the like are easy to adhere to the inner wall, and the installation of the oil ring and the cleaning of the inner wall of the spiral bevel gear are affected.

The utility model provides the following technical scheme:

the spiral bevel gear of the wear-resistant speed reducer comprises a gear part, a plurality of first oil guide holes are formed in the outer wall of the gear part, a gear shaft is fixedly connected to the inner wall of the bottom of the gear part, an oil ring is sleeved on the outer wall of the gear shaft in a sliding mode, a plurality of oil storage grooves are formed in the outer wall of the oil ring, a first mounting groove is formed in the inner wall of the oil ring, an arc-shaped insertion hole is formed in one side of the first mounting groove, a fixing rod is fixedly connected to the outer wall of the gear shaft and used in a matched mode, and a limiting assembly used for fixing the position of the oil ring is formed in one side of the arc-shaped insertion hole;

the inner wall sliding connection of gear portion has the closure subassembly that is used for controlling the opening and shutting of first oil guide hole.

In one possible design, spacing subassembly is including seting up the second mounting groove in arc jack one side, sliding connection has same stopper between the both sides inner wall of second mounting groove, fixedly connected with one pressure spring between one side of stopper and the one side inner wall of second mounting groove, one side fixedly connected with arc bolt of dead lever, arc bolt and arc jack cooperation use, the spacing groove has been seted up to one side of arc bolt, spacing groove and stopper cooperation use.

In one possible design, the limiting component further comprises a sliding groove formed in the inner wall of the bottom of the second mounting groove, the two side inner walls of the sliding groove are connected with the same connecting rod in a sliding mode, the top of the connecting rod is fixedly connected with the bottom of the limiting block, and the bottom of the connecting rod is fixedly connected with a pulling plate.

In one possible design, the seal assembly comprises a seal cover which is slidably connected to the inner wall of the gear part, a plurality of second oil guide holes are formed in the outer wall of the seal cover, the second oil guide holes are matched with the first oil guide holes, a fixing block is fixedly connected to the bottom of the seal cover, a fixing hole is formed in the top of the oil ring, and the fixing block is matched with the fixing hole.

In one possible design, the outer wall of the gear portion is provided with a plurality of oil collecting grooves, and the oil collecting grooves are matched with the first oil guide holes.

In one possible design, one side of the arc-shaped latch and the limiting block are both arc-shaped.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

According to the oil ring sealing device, when the oil ring sealing device is used, lubricating oil is injected into an oil storage tank, an oil ring is sleeved on the outer wall of a gear shaft, then the oil ring is pushed upwards, a fixing block at the bottom of a sealing cover enters a fixing hole at the top of the oil ring along with the rising of the oil ring, at the moment, the oil ring is rotated, the oil ring drives the fixing block to rotate so as to drive the sealing cover to rotate, a second oil guide hole formed in the outer wall of the sealing cover and a first oil guide hole formed in the outer wall of a gear part facilitate the outflow of the lubricating oil, at the same time, an arc-shaped bolt enters an arc-shaped jack and is contacted and extruded with a limiting block, the limiting block is aligned with a limiting groove formed in one side of the arc-shaped bolt along with the limiting block, the limiting block is clamped into the limiting groove due to the elastic force generated by a pressure spring, so that the position of the oil ring is fixed, the lubricating oil is thrown out along with the rotation of the gear part in the working process, and part of the outer wall of the gear part flows into a plurality of oil tanks to prevent the excessive loss due to extrusion;

according to the utility model, when the lubricating liquid is required to be refilled, the pull plate is pulled outwards from the bottom of the oil ring, the pull plate drives the connecting rod to move, the connecting rod drives the limiting block to move, so that the limiting block moves out of the limiting groove, the limiting of the arc-shaped bolt is released, then the oil ring is rotated to enable the arc-shaped bolt to move out of the arc-shaped insertion hole, meanwhile, the oil ring drives the fixed block to rotate, and the fixed block drives the sealing cover to rotate, so that the second oil guide hole and the first oil guide hole are staggered to close the channel of the first oil guide hole, and external lubricating oil cannot flow into the inner wall of the gear part;

according to the utility model, through the arrangement of the sealing component, the lubricating oil on the outer wall of the gear part can not flow into the sealing component in the process of supplementing the lubricating oil, the cleaning of the interior is influenced, the adhesion of processing scraps on the inner wall of the sealing component can be prevented from influencing the installation of the oil ring, the quick installation of the oil ring and the opening and closing of the sealing cover can be realized by matching with the limiting component, the lubricating oil on the outer wall of the gear part can be stored by the arrangement of the oil collecting groove, and the problem of quick loss of the lubricating oil due to extrusion among devices after the lubricating oil flows out is effectively solved.

Drawings

Fig. 1 is a schematic three-dimensional structure of a spiral bevel gear of a wear-resistant speed reducer provided by an embodiment of the utility model;

fig. 2 is a schematic three-dimensional structure of a closed cover in a spiral bevel gear of a wear-resistant speed reducer provided by an embodiment of the utility model;

fig. 3 is a schematic three-dimensional structure of a fixing block in a spiral bevel gear of a wear-resistant speed reducer according to an embodiment of the present utility model;

fig. 4 is a schematic three-dimensional structure of a fixing hole in a spiral bevel gear of a wear-resistant speed reducer according to an embodiment of the present utility model;

fig. 5 is a schematic three-dimensional structure of a limiting assembly in a spiral bevel gear of a wear-resistant speed reducer according to an embodiment of the present utility model.

Reference numerals:

1. a gear portion; 2. an oil ring; 3. a tooth shaft; 4. pulling a plate; 5. a first mounting groove; 6. a fixed rod; 7. an oil sump; 8. a first oil guide hole; 9. a closure; 10. a limit groove; 11. a fixed block; 12. a second oil guide hole; 13. an oil storage tank; 14. an arc-shaped bolt; 15. a fixing hole; 16. arc jacks; 17. a limiting block; 18. a pressure spring; 19. a second mounting groove; 20. a sliding groove; 21. and (5) connecting a rod.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

Referring to fig. 1-2, a wear-resistant speed reducer spiral bevel gear comprises a gear part 1, wherein a plurality of first oil guide holes 8 are formed in the outer wall of the gear part 1, a gear shaft 3 is fixedly connected to the inner wall of the bottom of the gear part 1, an oil ring 2 is sleeved on the outer wall of the gear shaft 3 in a sliding manner, a plurality of oil storage grooves 13 are formed in the outer wall of the oil ring 2, a first mounting groove 5 is formed in the inner wall of the oil ring 2, an arc-shaped insertion hole 16 is formed in one side of the first mounting groove 5, a fixing rod 6 is fixedly connected to the outer wall of the gear shaft 3, and the fixing rod 6 is matched with the first mounting groove 5 to be used, and a limiting component for fixing the position of the oil ring 2 is formed in one side of the arc-shaped insertion hole 16;

the inner wall sliding connection of gear portion 1 has the closed Assembly that is used for controlling first oil guide hole 8 to open and shut, can reach through the setting of closed Assembly the lubricating oil of gear portion 1 outer wall can not flow into its inside at the in-process of supplementing lubricating oil, influence inside clean and can prevent that the processing piece adhesion from influencing the installation of oil ring 2 at its inner wall, and cooperation spacing subassembly can realize the quick installation of oil ring 2 and the opening and shutting of closure 9, the setting of oil collecting groove 7 can store the lubricating oil that is located gear portion 1 outer wall, effectively solved the problem that lubricating oil flows out the back because the extrusion between the device runs off fast.

Referring to fig. 3-5, the spacing subassembly is including seting up the second mounting groove 19 in one side of arc jack 16, sliding connection has same stopper 17 between the both sides inner wall of second mounting groove 19, fixedly connected with is same pressure spring 18 between one side of stopper 17 and the one side inner wall of second mounting groove 19, one side fixedly connected with arc bolt 14 of dead lever 6, arc bolt 14 and arc jack 16 cooperation use, spacing groove 10 has been seted up to one side of arc bolt 14, spacing groove 10 and stopper 17 cooperation use, spacing subassembly's setting still can drive when realizing that oil ring 2 installs fast and close cover 9 and control and open and shut.

Referring to fig. 5, the limiting assembly further comprises a sliding groove 20 formed in the inner wall of the bottom of the second mounting groove 19, the same connecting rod 21 is slidably connected between the inner walls of the two sides of the sliding groove 20, the top of the connecting rod 21 is fixedly connected with the bottom of the limiting block 17, the bottom of the connecting rod 21 is fixedly connected with a pull plate 4, and the limiting block 17 can be moved out of the limiting groove 10 through the pull plate 4 to conveniently cancel the fixation of the oil ring 2.

Referring to fig. 2 to 3, the sealing assembly comprises a sealing cover 9 slidably connected to the inner wall of the gear part 1, a plurality of second oil guide holes 12 are formed in the outer wall of the sealing cover 9, the second oil guide holes 12 are matched with the first oil guide holes 8, a fixing block 11 is fixedly connected to the bottom of the sealing cover 9, a fixing hole 15 is formed in the top of the oil ring 2, the fixing block 11 is matched with the fixing hole 15, the sealing cover 9 can prevent lubricating oil on the outer wall of the gear part 1 from flowing into the gear part 1 from the first oil guide holes 8 to affect the internal environment of the gear part, and prevent dust and particles from being adsorbed due to the entering of the lubricating oil to affect the installation of the oil ring 2.

Example two

Referring to fig. 1-2, the wear-resistant speed reducer spiral bevel gear comprises a gear part 1, wherein a plurality of first oil guide holes 8 are formed in the outer wall of the gear part 1, a gear shaft 3 is fixedly connected to the inner wall of the bottom of the gear part 1, an oil ring 2 is sleeved on the outer wall of the gear shaft 3 in a sliding manner, a plurality of oil storage grooves 13 are formed in the outer wall of the oil ring 2, a first mounting groove 5 is formed in the inner wall of the oil ring 2, an arc-shaped insertion hole 16 is formed in one side of the first mounting groove 5, a fixing rod 6 is fixedly connected to the outer wall of the gear shaft 3, the fixing rod 6 is matched with the first mounting groove 5 for use, a limiting component for fixing the position of the oil ring 2 is formed in one side of the arc-shaped insertion hole 16, and a key groove can be formed in the gear shaft 3 for mounting a gear;

the inner wall sliding connection of gear portion 1 has the closed Assembly that is used for controlling first oil guide hole 8 to open and shut, can reach through the setting of closed Assembly the lubricating oil of gear portion 1 outer wall can not flow into its inside at the in-process of supplementing lubricating oil, influence inside clean and can prevent that the processing piece adhesion from influencing the installation of oil ring 2 at its inner wall, and cooperation spacing subassembly can realize the quick installation of oil ring 2 and the opening and shutting of closure 9, the setting of oil collecting groove 7 can store the lubricating oil that is located gear portion 1 outer wall, effectively solved the problem that lubricating oil flows out the back because the extrusion between the device runs off fast.

Referring to fig. 3-5, the spacing subassembly is including seting up the second mounting groove 19 in one side of arc jack 16, sliding connection has same stopper 17 between the both sides inner wall of second mounting groove 19, fixedly connected with is same pressure spring 18 between one side of stopper 17 and the one side inner wall of second mounting groove 19, one side fixedly connected with arc bolt 14 of dead lever 6, arc bolt 14 and arc jack 16 cooperation use, spacing groove 10 has been seted up to one side of arc bolt 14, spacing groove 10 and stopper 17 cooperation use, spacing subassembly's setting still can drive when realizing that oil ring 2 installs fast and close cover 9 and control and open and shut.

Referring to fig. 5, the limiting assembly further comprises a sliding groove 20 formed in the inner wall of the bottom of the second mounting groove 19, the same connecting rod 21 is slidably connected between the inner walls of the two sides of the sliding groove 20, the top of the connecting rod 21 is fixedly connected with the bottom of the limiting block 17, the bottom of the connecting rod 21 is fixedly connected with a pull plate 4, and the limiting block 17 can be moved out of the limiting groove 10 through the pull plate 4 to conveniently cancel the fixation of the oil ring 2.

Referring to fig. 2 to 3, the sealing assembly comprises a sealing cover 9 slidably connected to the inner wall of the gear part 1, a plurality of second oil guide holes 12 are formed in the outer wall of the sealing cover 9, the second oil guide holes 12 are matched with the first oil guide holes 8, a fixing block 11 is fixedly connected to the bottom of the sealing cover 9, a fixing hole 15 is formed in the top of the oil ring 2, the fixing block 11 is matched with the fixing hole 15, the sealing cover 9 can prevent lubricating oil on the outer wall of the gear part 1 from flowing into the gear part 1 from the first oil guide holes 8 to affect the internal environment of the gear part, and prevent dust and particles from being adsorbed due to the entering of the lubricating oil to affect the installation of the oil ring 2.

Referring to fig. 1-2, a plurality of oil sumps 7 are provided on the outer wall of the gear part 1, and the oil sumps 7 are used in cooperation with the first oil guiding holes 8, so that lubricating oil can be stored in the oil sumps 7 after flowing out from the first oil guiding holes 8 to prevent the lubricating oil from being extruded when extrusion occurs between devices, resulting in a great deal of loss.

Referring to fig. 2 and 5, one side of the arc-shaped latch 14 and one side of the stopper 17 are both arc-shaped, so that when the arc-shaped latch 14 is inserted into the arc-shaped insertion hole 16, the stopper 17 is pushed to contract into the second installation groove 19 by being pressed against one side of the stopper 17.

The working principle and the using flow of the technical scheme are as follows: during use, lubricating oil is injected into the oil storage tank 13, the oil ring 2 is sleeved on the outer wall of the gear shaft 3, then the oil ring 2 is pushed upwards, the fixing rod 6 enters the first mounting groove 5, the fixing block 11 at the bottom of the sealing cover 9 enters the fixing hole 15 at the top of the oil ring 2 along with the rising of the oil ring 2, at the moment, the oil ring 2 drives the fixing block 11 to rotate so as to drive the sealing cover 9 to rotate, the second oil guide hole 12 formed in the outer wall of the sealing cover 9 and the first oil guide hole 8 formed in the outer wall of the gear part 1 facilitate the outflow of the lubricating oil, meanwhile, the arc-shaped bolt 14 enters the arc-shaped insertion holes 16 during the rotation of the oil ring 2 and is contacted and extruded with the limiting block 17, the limiting block 17 is clamped into the limiting groove 10 along with the alignment of the limiting block 17 and the limiting groove 10 due to the elastic force generated by the pressure spring 18, and therefore the position of the fixed oil ring 2 is thrown out along with the rotation of the gear part 1, the lubricating effect is achieved on the outer wall of the gear part 1, and the part of the lubricating oil is prevented from flowing into the oil collection tanks 7 due to the extrusion and running off too soon.

When the lubricating liquid is required to be refilled, the pull plate 4 is pulled outwards from the bottom of the oil ring 2, the pull plate 4 drives the connecting rod 21 to move, the connecting rod 21 drives the limiting block 17 to move, the limiting block 17 is moved out of the limiting groove 10, the limiting of the arc-shaped plug pins 14 is released, then the oil ring 2 is rotated to enable the arc-shaped plug pins 14 to be moved out of the arc-shaped plug holes 16, meanwhile, the oil ring 2 drives the fixing block 11 to rotate, and the fixing block 11 drives the sealing cover 9 to rotate, so that the second oil guide hole 12 and the first oil guide hole 8 are staggered to close a channel of the first oil guide hole 8, and external lubricating oil cannot flow into the inner wall of the gear part 1.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a wear-resisting type speed reducer spiral bevel gear, includes gear portion (1), a plurality of first oil guide hole (8) have been seted up to the outer wall of gear portion (1), the bottom inner wall fixedly connected with tooth axle (3) of gear portion (1), the outer wall slip cap of tooth axle (3) has oil ring (2), a plurality of oil storage tanks (13) have been seted up to the outer wall of oil ring (2), a serial communication port, first mounting groove (5) have been seted up to the inner wall of oil ring (2), arc jack (16) have been seted up to one side of first mounting groove (5), the outer wall fixedly connected with dead lever (6) of tooth axle (3), dead lever (6) use with first mounting groove (5) cooperation, spacing subassembly that is used for fixed oil ring (2) position has been seted up to one side of arc jack (16).

The inner wall of the gear part (1) is connected with a sealing component for controlling the opening and the closing of the first oil guide hole (8) in a sliding manner.

2. The spiral bevel gear of a wear-resistant speed reducer according to claim 1, wherein the limiting component comprises a second mounting groove (19) formed in one side of an arc-shaped jack (16), one limiting block (17) is slidably connected between two side inner walls of the second mounting groove (19), one compression spring (18) is fixedly connected between one side of the limiting block (17) and one side inner wall of the second mounting groove (19), an arc-shaped bolt (14) is fixedly connected to one side of a fixing rod (6), the arc-shaped bolt (14) is matched with the arc-shaped jack (16), a limiting groove (10) is formed in one side of the arc-shaped bolt (14), and the limiting groove (10) is matched with the limiting block (17).

3. The spiral bevel gear of the wear-resistant speed reducer according to claim 2, wherein the limiting assembly further comprises a sliding groove (20) formed in the inner wall of the bottom of the second mounting groove (19), the same connecting rod (21) is connected between the inner walls of the two sides of the sliding groove (20) in a sliding mode, the top of the connecting rod (21) is fixedly connected with the bottom of the limiting block (17), and a pull plate (4) is fixedly connected to the bottom of the connecting rod (21).

4. The spiral bevel gear of a wear-resistant speed reducer according to claim 1, wherein the sealing assembly comprises a sealing cover (9) which is slidably connected to the inner wall of the gear part (1), a plurality of second oil guide holes (12) are formed in the outer wall of the sealing cover (9), the second oil guide holes (12) are matched with the first oil guide holes (8), a fixing block (11) is fixedly connected to the bottom of the sealing cover (9), a fixing hole (15) is formed in the top of the oil ring (2), and the fixing block (11) is matched with the fixing hole (15).

5. The spiral bevel gear of the wear-resistant speed reducer according to claim 1, wherein a plurality of oil collecting grooves (7) are formed in the outer wall of the gear portion (1), and the oil collecting grooves (7) are matched with the first oil guide holes (8).

6. A spiral bevel gear of a wear-resistant speed reducer according to claim 3, wherein one side of the arc-shaped bolt (14) and one side of the limiting block (17) are both arc-shaped.

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