CN218000324U

CN218000324U - High-strength gear

Info

Publication number: CN218000324U
Application number: CN202221352342.6U
Authority: CN
Inventors: 范能胜; 图波列夫·瓦列里; 刘伟; 戴冰; 黄春; 范杰
Original assignee: Jiangsu Sheng'an Transmission Co ltd
Current assignee: Jiangsu Sheng'an Transmission Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-12-09
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a high strength gear, it includes output pivot, gear normal and addendum circle, and the activity of gear normal is cup jointed in the front end surface of output pivot, and addendum circle integral type is connected in the periphery wall of gear normal, and the preceding terminal surface welding of output pivot is provided with the installation head, and gear normal surface central point puts and link up and is provided with the mounting hole, and the periphery wall integral type of addendum circle is provided with gear tooth, is formed with the tooth's socket between the gear tooth. The utility model discloses a be provided with stopper and spacing groove, behind the installation head embedding installation through-hole, the fixed slot of installation head overlaps in gomphosis strip both sides wall, realizes vertical spacing to the gear normal face, and simultaneously, the stopper then imbeds the spacing inslot, realizes horizontal spacing to the gear normal face, and the axial atress intensity between gear normal face and the output pivot can be improved in mutually supporting of structure, avoids the condition emergence that the gear is not hard up or skidded, and the steadiness is effectively promoted.

Description

High-strength gear

Technical Field

The utility model belongs to the technical field of the gear technique and specifically relates to a high strength gear is related to.

Background

The gear is a mechanical element with teeth on the wheel rim capable of continuously meshing to transmit motion and power, and is a mechanical part with teeth capable of meshing with each other. China is in the period of accelerating the development of industrialization, marketization and urbanization, and also in the period of expanding consumption and upgrading structures, and the equipment manufacturing industry meets the scarce development opportunity, thereby providing huge market space for the development of gears. With the development of technology, the loads borne by the gear transmission in modern industrial production are larger and larger, and correspondingly, new challenges are also provided for the strength of the gear.

The existing gear is usually added with other alloys or increased in size to increase the strength of the gear, but the alloy price needed to be used by the method is high, which is not beneficial to the control of the production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high strength gear, with the intensity that current gear usually increases the gear through including modes such as adding other alloys or increasing the size in the gear, but the alloy price that this kind of method need use usually is high, be unfavorable for manufacturing cost's control, in addition, current gear generally adopts the press to assemble, need be with the help of other equipment, the installation is comparatively inconvenient, and be connected between normal and the pivot does not have spacing measure, produce relative slip between the two easily, and then influence the gear operation, the steadiness remains the problem that promotes.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a high strength gear, includes output pivot, gear normal and addendum circle, the activity of gear normal is cup jointed in the front end surface of output pivot, addendum circle integral type is connected in the periphery wall of gear normal, the preceding terminal surface welding of output pivot is provided with the installation head, gear normal surface central point puts and link up and is provided with the mounting hole, the periphery wall integral type of addendum circle is provided with gear tooth, be formed with the cogwheel groove between the gear tooth.

The present invention may be further configured in a preferred embodiment as: the output rotating shaft is movably embedded in the mounting through hole through the mounting head, a fixing groove is formed in the middle position of the front surface of the mounting head, and an embedded strip is welded in the middle position of the inner portion of the mounting through hole.

The present invention in a preferred embodiment can be further configured to: the embedding strip is movably embedded in the fixing groove of the mounting head, the shapes of the embedding strip and the fixing groove are identical, and the two side walls of the mounting head are integrally fixed with limiting blocks.

The present invention in a preferred embodiment can be further configured to: limiting grooves are formed in the two sides of the mounting through holes in an integrated mode, the mounting heads are embedded into the limiting grooves through limiting blocks, and the limiting blocks are matched with the limiting grooves in shape.

The present invention may be further configured in a preferred embodiment as: the gear teeth are arranged in a plurality of annular arrays, the outer side surfaces of the gear teeth are provided with carburized layers, and carbon atoms are distributed in the surface layers of the carburized layers.

The present invention may be further configured in a preferred embodiment as: gear tooth is made by high quenching material alloy carburizing steel material, and is provided with between gear tooth and the carburized layer and transfers the layer, transfer the layer and add tempering process through high temperature quenching and form.

The present invention may be further configured in a preferred embodiment as: the gear tooth space is characterized in that a heat conduction through hole is formed in the surface of the gear tooth space, the heat conduction through hole penetrates through the inside of the addendum circle, heat dissipation holes are formed in the surface of the gear normal surface, and the heat conduction through hole is connected with the heat dissipation holes in a penetrating mode.

To sum up, the utility model discloses a following at least one kind of useful technological effect:

1. the utility model discloses at the in-process that uses, through being provided with installation head and installation through-hole, in the installation head one end embedding installation through-hole that will export the pivot, make gomphosis strip and fixed slot coincide mutually, can accomplish the output pivot fixed with being connected between the gear normal facial features, simple structure, easy dismounting is swift, realizes carrying out the purpose of quick convenient change to the serious gear that wears out, and the flexibility is strong, and maintenance efficiency is effectively promoted.

2. The utility model discloses at the in-process that uses, through being provided with stopper and spacing groove, behind the installation head embedding installation through-hole, the fixed slot of installation head registrates in gomphosis strip both sides wall, realizes vertical spacing to the gear normal face, and simultaneously, the stopper then imbeds the spacing inslot, realizes horizontal spacing to the gear normal face, and the mutually supporting of structure can improve the axial atress intensity between gear normal face and the output pivot, avoids the not hard up or the condition of skidding of gear to take place, and the steadiness is effectively promoted.

3. The utility model discloses at the in-process that uses, through being provided with gear tooth and carburization layer, gear tooth surface adopts carburization to process and forms the carburization layer, when guaranteeing gear tooth inner core toughness, effectively improves its surface hardness, satisfies the occasion of most needs high strength gear, makes gear tooth's use strength effectively promote long service life.

4. The utility model discloses at the in-process that uses, through being provided with the tunning layer, adopt high quenching material alloy carburizing steel as the gear tooth material, make the bulk strength reinforcing of gear tooth, in addition, tunning the layer through the preparation on the gear tooth and improve the toughness and the intensity of gear tooth, form good comprehensive properties, make the whole service strength of gear obtain further promotion.

5. The utility model discloses at the in-process that uses, through being provided with heat conduction through-hole and louvre, the addendum circle produces the heat with other gear contact friction for a long time, and in the teeth of a cogwheel groove between the heat flow direction gear tooth, enter into the heat conduction through-hole to transmit to gear normal face department by the heat conduction through-hole, distribute out by the louvre, the radiating rate accelerates, and the heat that effectively avoids gear friction to produce is ageing with higher speed the gear, and life obtains further promotion.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the output shaft of the present invention;

FIG. 3 is a schematic view of the gear face and addendum circle structure of the present invention;

fig. 4 is a schematic view of the profile structure of the gear teeth of the present invention.

Reference numerals: 1. an output shaft; 2. normal face of gear; 201. heat dissipation holes; 3. addendum circle; 4. a mounting head; 401. a fixing groove; 402. a limiting block; 5. mounting a through hole; 501. a tabling strip; 502. a limiting groove; 6. gear teeth; 601. a carburized layer; 602. adjusting the stratum; 7. a gear tooth groove; 701. a thermally conductive via.

Detailed Description

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

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides the following technical solutions: the utility model provides a high strength gear, includes output pivot 1, gear normal 2 and addendum circle 3, and the activity of gear normal 2 is cup jointed in the front end surface of

output pivot

1, and 3 integral types of addendum circle are connected in the periphery wall of gear normal 2, and the preceding terminal surface welding of output pivot 1 is provided with

installation head

4, and 2 surperficial central points of gear normal are put and are link up and be provided with mounting hole 5, and the periphery wall integral type of addendum circle 3 is provided with gear tooth 6, is formed with gear tooth's socket 7 between the gear tooth 6.

Referring to fig. 1, 2 and 3, specifically, the output rotating shaft 1 is movably embedded in the mounting through hole 5 through the mounting head 4, a fixing groove 401 is formed in the middle of the front surface of the mounting head 4, and an embedding strip 501 is welded in the middle of the inside of the mounting through hole 5; the embedding strip 501 is movably embedded in the fixing groove 401 of the mounting head 4, the shapes of the embedding strip and the fixing groove are identical, and the two side walls of the mounting head 4 are integrally and fixedly provided with limiting blocks 402; limiting groove 502 has been seted up to the both sides inner wall card integral type of mounting hole 5, installation head 4 inlays inside limiting groove 502 through stopper 402, and stopper 402 is identical with the shape of limiting groove 502, in this embodiment, 4 one ends embedding mounting head 4 of output pivot 1 in mounting hole 5, make gomphosis strip 501 coincide with fixed slot 401, can accomplish the fixed connection between output pivot 1 and gear normal 2, moreover, the steam generator is simple in structure, easy dismounting is swift, the realization carries out the purpose of quick convenient change to the serious gear that wears, the flexibility is strong, maintenance efficiency obtains effectively promoting, installation head 4 imbeds behind mounting hole 5, the fixed slot 401 of installation head 4 registrates in gomphosis strip 501 both sides wall, realize vertical spacing to gear normal 2, simultaneously, stopper 402 then imbeds in limiting groove 502, realize horizontal spacing to gear normal 2, the mutual cooperation of structure can improve the axial atress intensity between gear normal 2 and the output pivot 1, avoid the condition that the gear is not hard up or skidded to take place, the steadiness is effectively promoted.

Referring to fig. 1 and 4, specifically, a plurality of gear teeth 6 are provided, and a plurality of gear teeth 6 are distributed in an "annular" array manner, and a carburized layer 601 is provided on the outer side surface of the gear teeth 6, and carbon atoms are distributed inside the surface layer of the carburized layer 601; gear tooth 6 is made by high quenching material alloy carburizing steel material, and be provided with between gear tooth 6 and carburized layer 601 and transfer the layer 602, transfer the layer 602 to add tempering process through high temperature quenching and form, in this embodiment, gear tooth 6 surface adopts carburization processing to form carburized layer 601, when guaranteeing gear tooth 6 inner core toughness, effectively improve its surface hardness, satisfy the most occasions that need the high strength gear, make gear tooth 6's service strength effectively promote, long service life, adopt high quenching material alloy carburizing steel as gear tooth 6 material, make gear tooth 6's bulk strength reinforcing, in addition, transfer the layer 602 to improve gear tooth 6's toughness and intensity through preparation on gear tooth 6, form good comprehensive properties, make the whole service strength of gear obtain further promotion.

Referring to fig. 1 and 3, specifically, heat conduction through-hole 701 has been seted up on the surface of teeth groove 7, heat conduction through-hole 701 runs through inside tooth addendum circle 3, louvre 201 has been seted up on 2 surfaces on the gear normal plane, and heat conduction through-hole 701 is connected with louvre 201 through-type, in this embodiment, tooth addendum circle 3 produces the heat with other gear contact friction for a long time, in the teeth groove 7 between heat flow direction gear tooth 6, enter into heat conduction through-hole 701, and transmit to 2 departments of gear normal plane by heat conduction through-hole 701, give out by louvre 201, the radiating rate is accelerated, effectively avoid the heat that gear friction produced to accelerate gear ageing, and service life obtains further promotion.

The utility model discloses an use flow and theory of operation: when the utility model is used, firstly, one end of the mounting head 4 of the output rotating shaft 1 is embedded into the mounting through hole 5, so that the embedded strip 501 coincides with the fixed groove 401, the connection and fixation between the output rotating shaft 1 and the gear normal surface 2 can be completed, the structure is simple, the assembly and the disassembly are convenient and rapid, the purpose of rapidly and conveniently replacing the gear with serious abrasion can be realized, the flexibility is strong, the maintenance efficiency is effectively improved, after the mounting head 4 is embedded into the mounting through hole 5, the fixed groove 401 of the mounting head 4 is sleeved on the two side walls of the embedded strip 501, the longitudinal limit to the gear normal surface 2 is realized, meanwhile, the limit block 402 is embedded into the limit groove 502, the transverse limit to the gear normal surface 2 is realized, the mutual matching of the structures can improve the axial stress intensity between the gear normal surface 2 and the output rotating shaft 1, the condition of loosening or slipping of the gear is avoided, the stability is effectively improved, the surface of the gear tooth 6 adopts carburization treatment to form a carburized layer 601, the toughness of the inner core of the gear teeth 6 is ensured, the surface hardness of the gear teeth is effectively improved, most occasions needing high-strength gears are met, the use strength of the gear teeth 6 is effectively improved, the service life is long, alloy carburizing steel made of high-quenching material is adopted as the material of the gear teeth 6, the overall strength of the gear teeth 6 is enhanced, in addition, the toughness and the strength of the gear teeth 6 are improved by manufacturing the modified layer 602 on the gear teeth 6, good comprehensive performance is formed, the overall use strength of the gear is further improved, the addendum circle 3 is contacted and rubbed with other gears for a long time to generate heat, the heat flows into the gear tooth grooves 7 between the gear teeth 6, enters the heat conduction through holes 701 and is transmitted to the gear face 2 through the heat conduction through holes 701, the heat is emitted out through the heat dissipation holes 201, the heat dissipation speed is accelerated, and the accelerated gear aging caused by the heat generated by the gear friction is effectively avoided, the service life is further improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a high strength gear, includes output pivot (1), gear normal (2) and addendum circle (3), its characterized in that: the front end surface in output pivot (1) is cup jointed in the activity of gear normal face (2), addendum circle (3) integral type is connected in the periphery wall of gear normal face (2), the preceding terminal surface welding of output pivot (1) is provided with installation head (4), gear normal face (2) surperficial central point puts and link up and is provided with installation through-hole (5), the periphery wall integral type of addendum circle (3) is provided with gear tooth (6), be formed with running gear tooth's socket (7) between gear tooth (6).

2. A high strength gear according to claim 1, wherein: output pivot (1) is inlayed in installation through-hole (5) through installation head (4) activity, fixed slot (401) have been seted up to the front surface intermediate position of installation head (4), the inside intermediate position welding of installation through-hole (5) is provided with gomphosis strip (501).

3. A high strength gear according to claim 2, wherein: the embedding strip (501) is movably embedded in a fixing groove (401) of the mounting head (4) and is identical in shape, and a limiting block (402) is fixedly arranged on the two side walls of the mounting head (4) in an integrated mode.

4. A high strength gear according to claim 3, wherein: limiting grooves (502) are formed in the inner wall of the two sides of the mounting through hole (5) in a clamping mode, the mounting head (4) is embedded into the limiting grooves (502) through limiting blocks (402), and the limiting blocks (402) are matched with the limiting grooves (502) in shape.

5. A high strength gear according to claim 1, wherein: the gear teeth (6) are arranged in a plurality of annular arrays, and the outer side surfaces of the gear teeth (6) are provided with carburized layers (601).

6. The high strength gear according to claim 5, wherein: gear tooth (6) are made by high quenching material alloy carburizing steel material, and are provided with between gear tooth (6) and carburized layer (601) and transfer layer (602), transfer layer (602) and add tempering process through high temperature quenching and form.

7. A high strength gear according to claim 1, wherein: the gear tooth space (7) is provided with a heat conduction through hole (701) on the surface, the heat conduction through hole (701) penetrates through the inside of the tooth top circle (3), a heat dissipation hole (201) is formed in the surface of the gear normal surface (2), and the heat conduction through hole (701) is in through connection with the heat dissipation hole (201).