CN215567869U

CN215567869U - High-strength gear box of mine loader equipment

Info

Publication number: CN215567869U
Application number: CN202122062256.3U
Authority: CN
Inventors: 李明启; 孔丽丽
Original assignee: Dalian Riqian Motor Co ltd
Current assignee: Dalian Riqian Motor Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-18
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a high-strength gear box of mine loader equipment, which comprises a primary parallel pinion, a primary parallel bull gear, a secondary parallel pinion, a secondary parallel bull gear, a sun gear and a planet gear, wherein the primary parallel pinion is meshed with the primary parallel bull gear, the primary parallel bull gear is arranged on the secondary parallel pinion, the secondary parallel pinion is meshed with the secondary parallel bull gear, the secondary parallel bull gear and the sun gear have the same speed and are respectively assembled at two ends of a gear shaft a, the sun gear is meshed with the planet gear, the planet gear is arranged on a gear shaft b, the gear shaft a and the gear shaft b are both meshed with an inner gear ring, and the inner gear ring outputs torque to wheels. Parallel gear pair is adopted in this application gearbox casing the place ahead, then realizes higher drive ratio through the big parallel gear wheel of many external diameters of number of teeth, and then the moment of torsion risees.

Description

High-strength gear box of mine loader equipment

Technical Field

The utility model relates to the field of manufacturing of mining equipment, in particular to a high-strength gear box of mine loader equipment.

Background

The high-strength gear box is assembled on a large mine loader and used for driving equipment to run and walk, so that the loader can realize large excavating force output and self-walking transportation. The series of high-strength gear boxes have the advantages of small box body space, large transmission ratio, high output torque and bearing larger bending moment, so the requirement on the size is strict on the overall design.

SUMMERY OF THE UTILITY MODEL

The gear box can not be installed and the safety factor can not be guaranteed under the extremely narrow and small condition in space aiming at the existing gear box, and the gear box can not only meet the installation space, but also can safely operate under the frequent overload condition.

In order to achieve the purpose, the technical scheme of the application is as follows: the utility model provides a mine loader equipment high strength gear box, includes the parallel pinion of one-level, the parallel gear wheel of one-level, the parallel pinion of second grade, the parallel gear wheel of second grade, sun gear, planet wheel, the parallel pinion of one-level and the parallel gear wheel meshing of one-level, this parallel gear wheel of one-level is installed on the parallel pinion of second grade, the parallel pinion of second grade and the parallel gear wheel meshing of second grade, this parallel gear wheel of second grade and sun gear are with fast and assemble respectively at gear shaft a both ends, sun gear and planet wheel meshing, the planet wheel is installed on gear shaft b, gear shaft a and gear shaft b all mesh with the ring gear, and this ring gear exports the moment of torsion to the wheel.

Furthermore, the primary parallel pinion is arranged on a motor output shaft, and the center of the motor output shaft and the center of the gear shaft a are positioned on the same horizontal line.

Furthermore, one end of the inner gear ring is connected with the frame a, and the other end of the inner gear ring is connected with the end cover.

Further, the gear shaft a is mounted on the frame a through a bearing.

Furthermore, each gear shaft b is mounted on a rack b through a bearing, and the rack b is clamped with the rack a.

Furthermore, the inner wall of the inner gear ring is respectively connected with the frame a and the frame b through bearings.

Furthermore, the second-stage parallel pinion is provided with a rotating shaft, and the center of the rotating shaft and the center of one gear shaft b are positioned on the same horizontal line.

Furthermore, the first-stage parallel large gear and the second-stage parallel small gear adopt a concentric and coaxial installation mode, and the installation interface is a spline shaft.

As a further alternative, the shaft is fixed to the frame c by a bearing.

As a further step, the second-stage parallel big gear wheel and the sun gear adopt a concentric and coaxial installation mode, and the installation interface is a spline shaft.

Due to the adoption of the technical scheme, the utility model can obtain the following technical effects: the gear box outputs large torque under a small space volume. Firstly, a parallel gear pair is adopted in front of a gear box body, then a higher transmission ratio is realized through a plurality of parallel large gears with larger outer diameters as the number of teeth, and further the torque is increased. And finally, outputting larger torque to the inner gear ring through the planetary gear pair.

Drawings

FIG. 1 is a schematic axial cross-sectional view of a high strength gearbox of a mine loader apparatus;

FIG. 2 is an assembly view of a motor and gear box of the present application;

the sequence numbers in the figures illustrate: 1. a first-stage parallel pinion; 2. a first-stage parallel bull gear; 3. a secondary parallel pinion; 4. a second-level parallel bull gear; 5. a sun gear; 6. a planet wheel; 7. an inner gear ring; 8. a frame a; 9. a gear shaft b; 10. an end cap; 11. a gear shaft a; 12. a frame b; 13. and a bearing.

Detailed Description

The embodiments of the present invention are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1, the embodiment provides a high-strength gearbox for a mine loader, which can be safely used in an open pit mine to perform excavation operation on a coal mine, an iron mine or a non-ferrous metal mine, can meet the working condition of a large-torque closed car, and can meet the working condition that a mine shoveling operation and a transportation operation are used as the same power gearbox. The planetary gear train comprises a primary parallel pinion (1), a primary parallel bull gear (2), a secondary parallel pinion (3), a secondary parallel bull gear (4), a sun gear (5), a planetary gear train (6) and an inner gear ring. Preferably, the level parallel pinion (1) is installed on the motor output shaft through the spline form, and the level parallel bull gear (2), the level parallel pinion (3) are installed on the pivot through the spline form, and the level parallel bull gear is installed on gear shaft a through the spline form, adopts the spline form, and its advantage lies in simple structure, strong reliability, torque are big, can bear the weight of the lasting load of longer time, have carried out safety protection to the gear shaft. The connected mode of traditional gear spare parallel key needs bigger axle and parallel key, and this application has avoided thickening of axle diameter and the weakening of processing keyway counter shaft intensity, the intensity and the size problem of solution axle type part that can be fine.

The primary parallel transmission pair and the secondary parallel transmission pair not only meet the requirement of a large transmission ratio, but also solve the problem that the outer diameter of a gear does not interfere with the inner cavity of a narrow gear box body.

The second-stage parallel big gear wheel is coaxial with the sun gear. Therefore, the problem of compact space of a part of the solar energy collector is solved, and the problems of installation and floating of the sun wheel are also solved.

The gear box can obtain larger overload torque which reaches 400 percent of rated torque. The problem of overload gear beating of the gear box caused by overload of equipment under the low-speed operation of variable-frequency speed regulation does not exist.

The gearbox of the application is subjected to multiple tests, namely, a full speed noise test, namely, a noise test at different speeds of the gearbox. Full speed vibration testing, i.e. vibration testing at different speeds of the gearbox, and sampling of the gearbox is performed at multiple points. The gearbox was leak tested. The gearbox was tested for efficiency. The gear box is examined and verified in multiple ways, and the safety of the gear box is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a mine loader equipment high strength gear box, its characterized in that includes the parallel pinion of one-level, the parallel gear wheel of one-level, the parallel pinion of second grade, the parallel gear wheel of second grade, sun gear, planet wheel, the parallel pinion of one-level meshes with the parallel gear wheel of one-level, and the parallel gear wheel of this one-level is installed on the parallel pinion of second grade, the parallel pinion of second grade meshes with the parallel gear wheel of second grade, and this parallel gear wheel of second grade and sun gear are with fast and assemble respectively at gear shaft a both ends, sun gear and planet wheel meshing, the planet wheel is installed on gear shaft b, gear shaft a and gear shaft b all mesh with the ring gear, and this ring gear exports the moment of torsion to the wheel.

2. The high-strength gearbox for mine loader equipment as set forth in claim 1, wherein said primary parallel pinion is mounted on a motor output shaft having a center on the same horizontal line as the center of the gear shaft a.

3. The high-strength gearbox of mine loader equipment as recited in claim 1, wherein one end of the ring gear is connected with the frame a, and the other end of the ring gear is connected with the end cover.

4. The high-strength gearbox of mine loader equipment as recited in claim 1, wherein the gear shaft a is mounted on the frame a through a bearing.

5. The high-strength gearbox of mine loader equipment as set forth in claim 1, wherein each gear shaft b is mounted on a frame b through a bearing, and the frame b is clamped with the frame a.

6. The high-strength gearbox of mine loader equipment as recited in claim 1, wherein the inner wall of the inner gear ring is connected with the frame a and the frame b through bearings respectively.

7. The high-strength gearbox for mine loader equipment as set forth in claim 1, wherein said secondary parallel pinion gear has a rotating shaft, and the center of said rotating shaft is located on the same horizontal line as the center of one of the gear shafts b.

8. The high-strength gearbox of mine loader equipment as recited in claim 1, wherein the primary parallel bull gear and the secondary parallel pinion gear are concentrically and coaxially mounted, and the mounting interface is a spline shaft.

9. The high strength gearbox of mine loader equipment as recited in claim 7, wherein said rotating shaft is fixed to frame c by bearings.

10. The high-strength gearbox of mine loader equipment as recited in claim 1, wherein the secondary parallel bull gear and the sun gear are mounted concentrically and coaxially, and the mounting interface is a spline shaft.