CN210799958U

CN210799958U - Easy key-mounting type driving spiral gear

Info

Publication number: CN210799958U
Application number: CN201921391931.3U
Authority: CN
Inventors: 张波波
Original assignee: Hangzhou Zhenya Transmission Technology Co Ltd
Current assignee: Hangzhou Zhenya Transmission Technology Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-19
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses an easily key-assembling formula initiative helical gear, including fixed fluted disc, helical tooth, compressive structure, wear-resisting structure and spiral shaft body, all be fixed with equidistant helical tooth on the lateral wall of fixed fluted disc, and the inside of helical tooth is provided with compressive structure, be fixed with the installation rim plate on the inner wall of fixed fluted disc, and install first helical tooth key on the inner wall of installation rim plate one side, be fixed with second helical tooth key on the installation rim plate inner wall of first helical tooth key one side, and the inside of second helical tooth key is provided with wear-resisting structure, the inboard of installation rim plate is provided with the mounting hole, be fixed with the clamping ring on the outer wall of fixed fluted disc one side, and install the spiral shaft body on the outer wall of clamping ring one side. The utility model discloses not only reduced the not hard up condition of initiative helical gear appearance, improved the degree of meshing between the helical gear, improved the convenience when initiative helical gear dismantles moreover.

Description

Easy key-mounting type driving spiral gear

Technical Field

The utility model relates to a helical gear technical field specifically is an easy key-operated formula initiative helical gear.

Background

The spiral gear is a common gear type, and has the biggest characteristic that the specific spiral direction of the spiral gear can change the center distance and the transmission ratio, so that when the spiral gear is used, a user can complete the operation of machinery according to the requirement.

The driving helical gears on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) When the traditional driving helical gear is used, the driving helical gear is usually required to be connected with an external driving rotating shaft, and the driving helical gear is required to bear larger torsional force, so that the inner wall of the gear is easily abraded after long-term use, and the looseness of the driving helical gear in the use process is easily caused;

(2) when the traditional driving spiral gear is used, the driving spiral gear is usually required to be meshed with a matched same driving spiral gear for transmission, and the surface of the spiral gear is easy to be notched due to insufficient hardness of the driving spiral gear, so that the meshing degree between the spiral gears is reduced;

(3) when the traditional driving helical gear is used, a welding fixed mounting mode is usually adopted to be connected with an external driving rotating shaft, and the traditional driving helical gear is not high in installation convenience and inconvenience and disassembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easily key-type initiative helical gear to propose the initiative helical gear and appear not hard up condition easily when using in solving above-mentioned background art, the meshing degree between the helical gear is not high and inconvenient and the problem of installation and dismantlement.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an easily key-assembling formula initiative helical gear, includes fixed fluted disc, helical tooth, compressive structure, wear-resisting structure and screw axis body, all be fixed with equidistant helical tooth on the lateral wall of fixed fluted disc, and the inside of helical tooth is provided with compressive structure, be fixed with the installation rim plate on the inner wall of fixed fluted disc, and install first helical tooth key on the inner wall of installation rim plate one side, be fixed with second helical tooth key on the installation rim plate inner wall of first helical tooth key one side, and the inside of second helical tooth key is provided with wear-resisting structure, the inboard of installation rim plate is provided with the mounting hole.

Preferably, a connecting ring is fixed on the outer wall of one side of the fixed gear disc, a screw shaft body is installed on the outer wall of one side of the connecting ring, and a fastening pin thread is arranged on the outer wall of one side of the screw shaft body.

Preferably, the tungsten steel layer, the austenitic stainless steel layer and the niobium-tantalum alloy layer are sequentially arranged in the compression-resistant structure, and the tungsten steel layer is fixed on the outer wall of one side of the spiral teeth.

Preferably, an austenitic stainless steel layer is arranged on the outer wall of the tungsten steel layer on the side far away from the helical teeth, and a niobium-tantalum alloy layer is fixed on the outer wall of the austenitic stainless steel layer on the side far away from the tungsten steel layer.

Preferably, an alloy cast iron block, a wear-resistant steel block, a chromium carbide layer and a tungsten carbide layer are sequentially arranged in the wear-resistant structure, the alloy cast iron block is fixed on one side of the interior of the second spiral toothed key, and the wear-resistant steel block is arranged in the interior of the second spiral toothed key on one side of the alloy cast iron block.

Preferably, a chromium carbide layer is coated on the outer wall of the second spiral tooth key on one side of the wear-resistant steel block, and a tungsten carbide layer is sprayed on one side, away from the outer wall of the second spiral tooth key, of the chromium carbide layer.

Compared with the prior art, the beneficial effects of the utility model are that: the easily-key-mounting type driving spiral gear not only reduces the loosening of the driving spiral gear, improves the meshing degree between the spiral gears, but also improves the convenience for disassembling the driving spiral gear;

(1) the alloy cast iron block, the wear-resistant steel block, the chromium carbide layer and the tungsten carbide layer are arranged, the hardness of the second spiral tooth key is improved through the alloy cast iron block and the wear-resistant steel block in the second spiral tooth key, the second spiral tooth key is prevented from being deformed, and meanwhile, the wear resistance of the second spiral tooth key is improved through the chromium carbide layer and the tungsten carbide layer, so that the situation that the driving spiral gear is loosened is reduced;

(2) by arranging the tungsten steel layer, the austenitic stainless steel layer and the niobium-tantalum alloy layer, the tungsten steel layer inside the helical teeth improves the pressure resistance of the helical teeth, and simultaneously, under the action of the austenitic stainless steel layer and the niobium-tantalum alloy layer, the condition that gaps appear on the surfaces of the helical teeth is reduced, so that the meshing degree between helical gears is improved;

(3) through being provided with installation rim plate, first spiral key and second spiral key, the cell body on the pivot outer wall blocks with first spiral key and second spiral key each other respectively, and the dual fixed action of first spiral key and second spiral key makes initiative helical gear more firm with the installation of external drive equipment, has improved the convenience when initiative helical gear dismantles.

Drawings

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

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

FIG. 3 is a schematic view of the cross-sectional enlarged structure of the anti-compression structure of the present invention;

fig. 4 is a schematic view of the wear-resistant structure of the present invention with a sectional view and an enlarged structure.

In the figure: 1. fixing a gear disc; 2. helical teeth; 3. a first helical spline; 4. installing a wheel disc; 5. a compression resistant structure; 501. a tungsten steel layer; 502. an austenitic stainless steel layer; 503. a niobium tantalum alloy layer; 6. a second helical spline; 7. a wear resistant structure; 701. an alloy cast iron block; 702. a wear-resistant steel block; 703. a chromium carbide layer; 704. a tungsten carbide layer; 8. mounting holes; 9. a connecting ring; 10. a screw body; 11. the tightening pin is threaded.

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 an embodiment: an easily-keyed driving helical gear comprises a fixed gear disc 1, helical teeth 2, a compression-resistant structure 5, a wear-resistant structure 7 and a helical shaft body 10, wherein the helical teeth 2 are fixed on the outer side wall of the fixed gear disc 1 at equal intervals, and the compression-resistant structure 5 is arranged inside the helical teeth 2;

a tungsten steel layer 501, an austenitic stainless steel layer 502 and a niobium-tantalum alloy layer 503 are sequentially arranged in the compression-resistant structure 5, the tungsten steel layer 501 is fixed on the outer wall of one side of the spiral tooth 2, the austenitic stainless steel layer 502 is arranged on the outer wall of one side, away from the spiral tooth 2, of the tungsten steel layer 501, and the niobium-tantalum alloy layer 503 is fixed on the outer wall of one side, away from the tungsten steel layer 501, of the austenitic stainless steel layer 502;

the tungsten steel layer 501 in the helical teeth 2 improves the pressure resistance of the helical teeth 2, and simultaneously reduces the occurrence of gaps on the surfaces of the helical teeth 2 under the action of the austenitic stainless steel layer 502 and the niobium-tantalum alloy layer 503, so that the meshing degree between helical gears is improved;

a connecting ring 9 is fixed on the outer wall of one side of the fixed gear disc 1, a screw body 10 is installed on the outer wall of one side of the connecting ring 9, and a fastening pin thread 11 is arranged on the outer wall of one side of the screw body 10 and used for the angle adjustment work of the driving spiral gear;

an installation wheel disc 4 is fixed on the inner wall of the fixed wheel disc 1, a first spiral tooth key 3 is installed on the inner wall of one side of the installation wheel disc 4, a second spiral tooth key 6 is fixed on the inner wall of the installation wheel disc 4 of one side of the first spiral tooth key 3, a wear-resistant structure 7 is arranged inside the second spiral tooth key 6, and an installation hole 8 is formed in the inner side of the installation wheel disc 4;

an alloy cast iron block 701, a wear-resistant steel block 702, a chromium carbide layer 703 and a tungsten carbide layer 704 are sequentially arranged inside the wear-resistant structure 7, the alloy cast iron block 701 is fixed on one side inside the second spiral tooth key 6, the wear-resistant steel block 702 is arranged inside the second spiral tooth key 6 on one side of the alloy cast iron block 701, the chromium carbide layer 703 is coated on the outer wall of the second spiral tooth key 6 on one side of the wear-resistant steel block 702, and the tungsten carbide layer 704 is sprayed on one side, away from the outer wall of the second spiral tooth key 6, of the chromium carbide layer 703;

in the use process of the driving helical gear, the alloy cast iron block 701 and the wear-resistant steel block 702 in the second helical spline 6 improve the hardness of the second helical spline 6, so that the second helical spline 6 is prevented from deforming, and meanwhile, the chromium carbide layer 703 and the tungsten carbide layer 704 improve the wear resistance of the second helical spline 6, so that the looseness of the driving helical gear is reduced.

The working principle is as follows: when the driving spiral gear is used, a worker firstly inserts a rotating shaft of external driving equipment into the mounting hole 8, in the process, a groove body on the outer wall of the rotating shaft is clamped with the first spiral tooth key 3 and the second spiral tooth key 6 respectively, the driving spiral gear and the external driving equipment are more firmly mounted due to the double fixing action of the first spiral tooth key 3 and the second spiral tooth key 6, meanwhile, the convenience of the driving spiral gear in the dismounting process is improved due to the arrangement of the first spiral tooth key 3 and the second spiral tooth key 6, the rapid mounting work of the driving spiral gear is completed, then, the worker can connect the external spiral equipment with the tightening pin thread 11 and rotate the spiral shaft body 10 to drive the fixed gear disc 1 to rotate through the connecting ring 9, so that the fine tuning work of the spiral teeth 2 is completed, in the use process of the driving spiral gear, the alloy cast iron block 701 and the wear-resistant steel block 702 in the second spiral tooth key 6 improve the hardness of the second spiral tooth key 6, avoided second spiral tooth key 6 to take place deformation, simultaneously chromium carbide layer 703 and tungsten carbide layer 704 have improved the wearability of second spiral tooth key 6, thereby it appears not hard up condition to have reduced initiative helical gear, and finally, the inside tungsten steel layer 501 of helical tooth 2 has improved the crushing resistance of helical tooth 2, the effect of cooperation austenite stainless steel layer 502 and niobium tantalum alloy layer 503 has simultaneously reduced the condition that the opening appears in helical tooth 2 surface, thereby the meshing degree between the helical gear has been improved, accomplish the work of easy key-assembling formula initiative helical gear.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an easy key-type initiative helical gear, includes fixed fluted disc (1), helical tooth (2), compressive structure (5), wear-resisting structure (7) and spiral shaft body (10), its characterized in that: all be fixed with equidistant helical tooth (2) on the lateral wall of fixed toothed disc (1), and the inside of helical tooth (2) is provided with compressive structure (5), be fixed with installation rim plate (4) on the inner wall of fixed toothed disc (1), and install first spiral tooth key (3) on the inner wall of installation rim plate (4) one side, be fixed with second spiral tooth key (6) on the installation rim plate (4) inner wall of first spiral tooth key (3) one side, and the inside of second spiral tooth key (6) is provided with wear-resisting structure (7), the inboard of installation rim plate (4) is provided with mounting hole (8).

2. An easy-to-key type driving helical gear according to claim 1, wherein: the outer wall of one side of the fixed gear disc (1) is fixed with a connecting ring (9), the outer wall of one side of the connecting ring (9) is provided with a screw body (10), and the outer wall of one side of the screw body (10) is provided with a fastening pin thread (11).

3. An easy-to-key type driving helical gear according to claim 1, wherein: the pressure-resistant structure is characterized in that a tungsten steel layer (501), an austenitic stainless steel layer (502) and a niobium-tantalum alloy layer (503) are sequentially arranged inside the pressure-resistant structure (5), and the tungsten steel layer (501) is fixed on the outer wall of one side of the spiral teeth (2).

4. An easy-to-key type driving helical gear according to claim 3, wherein: an austenitic stainless steel layer (502) is arranged on the outer wall of one side, away from the helical teeth (2), of the tungsten steel layer (501), and a niobium-tantalum alloy layer (503) is fixed on the outer wall of one side, away from the tungsten steel layer (501), of the austenitic stainless steel layer (502).

5. An easy-to-key type driving helical gear according to claim 1, wherein: the wear-resistant structure (7) is internally provided with an alloy cast iron block (701), a wear-resistant steel block (702), a chromium carbide layer (703) and a tungsten carbide layer (704) in sequence, one side of the inside of the second spiral tooth key (6) is fixedly provided with the alloy cast iron block (701), and the inside of the second spiral tooth key (6) at one side of the alloy cast iron block (701) is provided with the wear-resistant steel block (702).

6. An easy-to-key type driving helical gear according to claim 5, wherein: the outer wall of the second spiral tooth key (6) on one side of the wear-resistant steel block (702) is coated with a chromium carbide layer (703), and one side, away from the outer wall of the second spiral tooth key (6), of the chromium carbide layer (703) is coated with a tungsten carbide layer (704).