CN217422106U

CN217422106U - High-strength speed reducer worm

Info

Publication number: CN217422106U
Application number: CN202123415423.4U
Authority: CN
Inventors: 朱延波
Original assignee: Huai'an Jiangjian Transmission Machinery Co ltd
Current assignee: Huai'an Jiangjian Transmission Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-13
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a high-strength speed reducer worm, which comprises a worm shaft and a worm sleeve, wherein the worm shaft is externally detachably connected with the worm sleeve, one end of the surface of the worm shaft is provided with a first thread groove, the radial surface of the worm shaft is provided with four convex ribs, the convex ribs and the worm shaft are integrated into a whole, the convex ribs are uniformly distributed on the worm shaft, one end of each convex rib is arc-shaped, the other end of each convex rib is step-shaped, the step end of each convex rib is arranged to be step-shaped, the central position in the worm shaft is fixedly connected with an inner core, the outer side of the inner core is fixedly provided with a reinforcing rod, an inclined rod is fixedly connected between the reinforcing rod and the inner core, a connecting rod is fixedly connected between adjacent inclined rods, and the inner part of the worm shaft is fixedly connected with a reinforcing rib; the utility model discloses worm axle and worm cover have higher intensity, improve the life of worm, and it is not high to have solved current speed reducer worm intensity, leads to the problem that life is short.

Description

High-strength speed reducer worm

Technical Field

The utility model relates to a speed reducer worm technical field, concretely relates to high strength speed reducer worm.

Background

Worm reducers function to match rotational speed and transfer torque between a prime mover and a work machine or actuator, and are used in a wide variety of modern machines. The speed reducer is mainly composed of transmission parts (Wo wheel and worm), a shaft, a bearing, a box body and accessories thereof, wherein the worm is a gear which is provided with one or more spiral teeth and is meshed with a worm wheel to form a staggered shaft gear pair. The indexing curved surface can be a cylindrical surface, a conical surface or a circular ring surface. But the structure of speed reducer worm at present is comparatively simple, and the inner structure is comparatively simple, leads to holistic structural strength comparatively general, and the holistic intensity of promotion that can not to a great extent. In view of the above drawbacks, it is actually necessary to design a high-strength reducer worm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength speed reducer worm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength speed reducer worm, includes worm axle and worm cover, worm axle outside can be dismantled and be connected with the worm cover, first thread groove has been seted up to the one end on worm axle surface, there are four protruding muscle on the footpath face of worm axle, protruding muscle and worm axle structure as an organic whole, protruding muscle is at worm epaxial evenly distributed, and protruding muscle one end is circular-arcly, and for attaching muscle smooth end, the other end is the step form, for attaching muscle step end, the inside central point of worm axle puts the fixedly connected with inner core, and the outside fixed mounting of inner core has the stiffener, fixedly connected with down tube between stiffener and the inner core, fixedly connected with connecting rod between the adjacent down tube, the inside fixedly connected with strengthening rib of worm axle.

Preferably, the reinforcing rods are distributed on the outer side of the inner core in a plurality of groups at equal intervals, four reinforcing rods are distributed in each group in an annular array around the center of the inner core, a triangular structure is formed among the reinforcing rods, the inclined rods and the inner core, a triangular structure is formed among the two inclined rods and the connecting rod, and four reinforcing ribs are distributed in an annular array around the center of the worm shaft.

Preferably, the outer side wall of the worm sleeve is fixedly connected with worm teeth, the surface of the worm sleeve is provided with a second thread groove corresponding to the first thread groove in position, and a bolt is detachably connected between the first thread groove and the second thread groove.

Preferably, four limiting grooves are formed in the worm sleeve, each limiting groove is of an L-shaped structure, and the limiting grooves are matched with the convex ribs.

Preferably, the worm cover comprises a strength layer, a base material layer and a corrosion-resistant layer, wherein the strength layer is located on the outer surface of the base material layer, the corrosion-resistant layer is located on the inner surface of the base material layer, the strength layer is a nickel-chromium alloy layer, the corrosion-resistant layer is a titanium alloy layer, and the base material layer is a steel pipe.

Preferably, the outer surface of the strength layer is coated with a coating layer, the coating layer comprises a wear-resistant coating and an anti-corrosion coating, and the wear-resistant coating is coated on the outer surface of the anti-corrosion coating.

Compared with the prior art, the worm shaft and the worm sleeve can be fixed together by screwing the bolt, so that the worm shaft and the worm sleeve are convenient to install and disassemble, when worm teeth fixed on the surface of the worm sleeve are worn after being used for a long time, the worn worm sleeve can be taken out to replace a new worm sleeve, the whole worm does not need to be replaced, and the use cost of the worm is reduced; the utility model discloses inner core, stiffener, down tube, connecting rod and strengthening rib all adopt the carbide material, very big promotion holistic structural strength, prolong holistic life, the equidistant distribution has the multiunit in the outside of inner core about the stiffener, and every stiffener of group distributes with the centre of a circle annular array of inner core has four, make holistic structural strength obtain promotion by a wide margin, constitute the triangle-shaped structure between stiffener and down tube and the inner core, constitute the triangle-shaped structure between two down tubes and the connecting rod, improve the stability of overall structure, structural strength is high, convenient to use; the utility model discloses wear-resistant coating is ceramic polymer lacquer, anticorrosion coating is the epoxy paint, through wear-resistant coating, can improve worm cover's wear-resisting effect, avoid worm cover long-time use to lead to wearing and tearing, utilize anticorrosion coating, can play anticorrosive effect, avoid worm cover to receive corruption influence life, utilize the strength layer to be nichrome layer, can improve worm cover's intensity, utilize anticorrosion layer to be titanium alloy layer, higher intensity and corrosion resistance have, worm cover's mechanical strength has further been improved, thereby make worm cover have higher intensity, improve worm cover's life, it is not high to have solved current speed reducer worm intensity, lead to the short problem of life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a high-strength speed reducer worm of the present invention;

fig. 2 is a sectional view of a high-strength reducer worm of the present invention;

fig. 3 is a schematic structural view of a worm shaft in a high-strength speed reducer worm according to the present invention;

fig. 4 is a schematic structural diagram of a worm sleeve in a high-strength speed reducer worm according to the present invention.

In the drawings:

1. a worm shaft; 11. a first thread groove; 12. a rib is protruded; 13. a rib-attaching smooth end; 14. a rib-attached step end; 15. an inner core; 16. a reinforcing bar; 17. a diagonal bar; 18. a connecting rod; 19. reinforcing ribs; 2. a worm sleeve; 21. a worm gear; 22. a second thread groove; 23. a limiting groove; 24. a strength layer; 25. a substrate layer; 26. a corrosion-resistant layer; 27. a wear-resistant coating; 28. and (4) an anti-corrosion coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-strength speed reducer worm comprises a worm shaft 1 and a worm sleeve 2, wherein the worm shaft 1 is detachably connected with the worm sleeve 2, one end of the surface of the worm shaft 1 is provided with a first thread groove 11, the radial surface of the worm shaft 1 is provided with four convex ribs 12, the convex ribs 12 and the worm shaft 1 are of an integral structure, the convex ribs 12 are uniformly distributed on the worm shaft 1, one end of each convex rib 12 is arc-shaped, is provided with a rib-attached smooth end 13, the other end of each convex rib is step-shaped, is provided with a rib-attached step end 14, an inner core 15 is fixedly connected at the central position in the worm shaft 1, a reinforcing rod 16 is fixedly installed on the outer side of each inner core 15, an inclined rod 17 is fixedly connected between the reinforcing rods 16 and the inner cores 15, a connecting rod 18 is fixedly connected between adjacent inclined rods 17, a reinforcing rib 19 is fixedly connected in the worm shaft 1, and the inner cores 15, the reinforcing rods 16, the inclined rods 17, the connecting rod 18 and the reinforcing rib 19 are all made of hard alloy, the integral structural strength is improved, and the integral service life is prolonged.

In this embodiment, the reinforcing rods 16 are distributed on the outer side of the inner core 15 at equal intervals, and four reinforcing rods 16 are distributed in each group in an annular array around the center of the inner core 15, so that the overall structural strength is greatly improved, a triangular structure is formed among the reinforcing rods 16, the inclined rods 17 and the inner core 15, a triangular structure is formed between the two inclined rods 17 and the connecting rod 18, the stability of the overall structure is improved, four reinforcing ribs 19 are distributed in an annular array around the center of the worm shaft 1, and the overall structural strength is improved. Through adding inner core 15 in worm axle 1's inside, reinforcing rod 16, down tube 17, connecting rod 18 and strengthening rib 19, inner core 15, reinforcing rod 16, down tube 17, connecting rod 18 and strengthening rib 19 all adopt the carbide material, very big promotion holistic structural strength, prolong holistic life, wherein, equidistant distribution has the multiunit in the outside of inner core 15 about reinforcing rod 16, and every group reinforcing rod 16 distributes with the centre of a circle annular array of inner core 15 has four, make holistic structural strength obtain promotion by a wide margin, constitute triangular structure between reinforcing rod 16 and down tube 17 and the inner core 15, constitute triangular structure between two down tubes 17 and the connecting rod 18, improve overall structure's stability, structural strength is high, and convenient to use.

In this embodiment, the outer side wall of the worm sleeve 2 is fixedly connected with a worm tooth 21, the surface of the worm sleeve 2 is provided with a second thread groove 22 corresponding to the position of the first thread groove 11, a bolt 3 is detachably connected between the first thread groove 11 and the second thread groove 22, four limiting grooves 23 are formed in the worm sleeve 2, each limiting groove 23 is of an L-shaped structure, each limiting groove 23 is matched with the corresponding convex rib 12, the worm sleeve 2 comprises a strength layer 24, a base material layer 25 and an anti-corrosion layer 26, the strength layer 24 is located on the outer surface of the base material layer 25, the anti-corrosion layer 26 is located on the inner surface of the base material layer 25, the strength layer 24 is a nichrome layer, the anti-corrosion layer 26 is a titanium alloy layer, the base material layer 25 is a steel pipe, the outer surface of the strength layer 24 is coated with a coating layer, the anti-corrosion coating 27 comprises an anti-wear coating 27 and an anti-corrosion coating 28, and the anti-corrosion coating 27 is coated on the outer surface of the anti-corrosion coating 28, the wear-resistant coating 27 can improve the wear-resistant effect of the worm bushing and prevent wear of the worm bushing 2 caused by long-term use, and the corrosion-resistant coating 28 can prevent corrosion.

The utility model discloses during the installation, insert worm cover 2 with worm axle 1 in, make on the worm axle 1 attach the muscle level and smooth end 13 and attach muscle step end 14 and insert the spacing groove 23 of worm cover 2, under spacing groove 23 and the effect that attaches muscle step end 14, with the one end chucking of worm cover 2 on worm axle 1, and simultaneously, the second thread groove 22 of the 2 other ends of worm cover aligns with the first thread groove 11 on 1 surface of worm axle, can be in the same place worm axle 1 and worm cover 2 are fixed through wrong income bolt 3, be convenient for install and dismantle, when the worm tooth of 2 fixed surface of cover uses wearing and tearing for a long time, can take out worm cover 2 that more renews with wearing and tearing, need not to change whole worm, the use cost of worm has been reduced.

The utility model discloses wear-resistant coating 27 is ceramic polymer paint, anti-corrosion coating 28 is epoxy paint, through wear-resistant coating 27, can improve the wear-resisting effect of worm cover 2, avoid worm cover 2 to use for a long time and lead to wearing and tearing, utilize anti-corrosion coating 28, can play anticorrosive effect, avoid worm cover 2 to receive corruption influence life, utilize strength layer 24 to be nichrome layer, can improve worm cover 2's intensity, utilize corrosion-resistant layer 26 to be titanium alloy layer, higher intensity and corrosion resistance have, worm cover 2's mechanical strength has further been improved, thereby make worm cover 2 have higher intensity, improve worm cover 2's life, it is not high to have solved current speed reducer worm intensity, lead to the short problem of life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength speed reducer worm which characterized in that: comprises a worm shaft (1) and a worm sleeve (2), the worm sleeve (2) is detachably connected with the outside of the worm shaft (1), first thread groove (11) have been seted up to the one end on worm axle (1) surface, there are four protruding muscle (12) on the footpath face of worm axle (1), protruding muscle (12) and worm axle (1) structure as an organic whole, protruding muscle (12) evenly distributed on worm axle (1), protruding muscle (12) one end is circular-arcly, for attaching muscle smooth end (13), the other end is the step form, for attaching muscle step end (14), the inside central point of worm axle (1) puts fixedly connected with inner core (15), the outside fixed mounting of inner core (15) has stiffener (16), fixedly connected with down tube (17) between stiffener (16) and inner core (15), fixedly connected with connecting rod (18) between adjacent down tube (17), the inside fixedly connected with strengthening rib (19) of worm axle (1).

2. The high-strength reducer worm according to claim 1, characterized in that: the reinforcing rods (16) are distributed on the outer sides of the inner cores (15) at the left and right sides at equal intervals, four reinforcing rods (16) are distributed in each group in an annular array mode according to the circle centers of the inner cores (15), triangular structures are formed among the reinforcing rods (16), the inclined rods (17) and the inner cores (15), triangular structures are formed among the two inclined rods (17) and the connecting rod (18), and four reinforcing ribs (19) are distributed in an annular array mode according to the circle centers of the worm shafts (1).

3. The high-strength reducer worm according to claim 1, characterized in that: the outer side wall of the worm sleeve (2) is fixedly connected with worm teeth (21), a second thread groove (22) corresponding to the first thread groove (11) in position is formed in the surface of the worm sleeve (2), and a bolt (3) is detachably connected between the first thread groove (11) and the second thread groove (22).

4. The high-strength reducer worm according to claim 1, characterized in that: four limiting grooves (23) are formed in the worm sleeve (2), the limiting grooves (23) are of an L-shaped structure, and the limiting grooves (23) are matched with the convex ribs (12).

5. The high-strength reducer worm according to claim 1, characterized in that: the worm cover (2) comprises a strength layer (24), a base material layer (25) and a corrosion-resistant layer (26), wherein the strength layer (24) is located on the outer surface of the base material layer (25), the corrosion-resistant layer (26) is located on the inner surface of the base material layer (25), the strength layer (24) is a nickel-chromium alloy layer, the corrosion-resistant layer (26) is a titanium alloy layer, and the base material layer (25) is a steel pipe.

6. The high-strength reducer worm according to claim 5, characterized in that: the coating layer is coated on the outer surface of the strength layer (24) and comprises a wear-resistant coating (27) and an anti-corrosion coating (28), and the wear-resistant coating (27) is coated on the outer surface of the anti-corrosion coating (28).