CN213929310U - Mining dispatching winch speed reducer and mining dispatching winch - Google Patents
Mining dispatching winch speed reducer and mining dispatching winch Download PDFInfo
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- CN213929310U CN213929310U CN202022714636.6U CN202022714636U CN213929310U CN 213929310 U CN213929310 U CN 213929310U CN 202022714636 U CN202022714636 U CN 202022714636U CN 213929310 U CN213929310 U CN 213929310U
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Abstract
The application relates to the technical field of mining equipment, in particular to a mining dispatching winch speed reducer and a mining dispatching winch. The reducer comprises a sleeve cup, an umbrella gear shaft, a bevel gear, a transparent cover and a coupling piece; the transparent cover is arranged at one end of the sleeve cup, the bevel gear shaft is arranged in the sleeve cup through a bearing, the shaft part of the bevel gear shaft penetrates through the transparent cover and extends out of one end of the sleeve cup, and the gear part of the bevel gear shaft extends out of the other end of the sleeve cup; the shaft part is connected with the coupling member, and the gear part is in meshing connection with the bevel gear. This application scheme has made things convenient for being connected of bevel gear axle and shaft coupling spare, can make the lock nut of bevel gear axle outwards remove simultaneously, has also made things convenient for the operation to lock nut to can improve the firmness that each part is connected, improve product reliability.
Description
Technical Field
The application relates to the technical field of mining equipment, in particular to a mining dispatching winch speed reducer and a mining dispatching winch.
Background
The mining dispatching winch is the most common electromechanical equipment in the mine production system. The mine dispatching winch is mainly used for loading, dispatching, marshalling and mine car in mine underground and ground, hauling the mine car in a middle tunnel and other auxiliary carrying works, and is widely applied to the aspects of inclined tunnel lifting, wellhead canning, turning machine power and the like.
The speed reducer is an important device on the mining dispatching winch. But because the service environment is severe, the wear is rapid, and the service life is generally short. The structure of the reducer in the prior art is shown in fig. 1, and mainly comprises 6 parts, namely a coupling 10 ', a bearing cover 20', a sealing cover 30 ', a bearing sleeve 40', a bevel gear shaft 50 'and a bevel gear 60', respectively.
The existing speed reducer has the following defects:
the depth of the inner hole of the coupling 10' is too long, the mounting of the coupling and the operation of locking the nut are difficult, firm connection is not easy, and the reliability is influenced;
the bevel gear shaft 50 'and the bevel gear 60' have fewer teeth, so that the wear is fast, and the service life is influenced;
the bevel gear shaft 50 'and the coupling 10' are connected by spline cold fitting, so that when the bevel gear shaft is frequently started, the impact load is large, the joint is easy to damage, and the bevel gear shaft is made of cast iron, so that the bevel gear shaft is large in brittleness and easy to break;
the bearing is a narrow-edge bearing, and has low wear resistance and short service life.
SUMMERY OF THE UTILITY MODEL
A first object of the present application is to provide a mining dispatch winch retarder to solve at least one technical drawback existing in the prior art.
The technical scheme of the application is realized as follows:
a mining dispatching winch reducer comprises a sleeve cup, a bevel gear shaft, a bevel gear, a transparent cover and a coupling piece;
the transparent cover is arranged at one end of the sleeve cup, the bevel gear shaft is arranged in the sleeve cup through a bearing, the shaft part of the bevel gear shaft penetrates through the transparent cover and extends out of one end of the sleeve cup, and the gear part of the bevel gear shaft extends out of the other end of the sleeve cup;
the shaft part is connected with the coupling member, and the gear part is in meshing connection with the bevel gear.
In this scheme, used the transparent cover to with the axial region extension of bevel gear axle and stretch out the retainer cup, thereby made things convenient for being connected of bevel gear axle and shaft coupling spare, can make the dead nut of lock of bevel gear axle outwards remove simultaneously, also made things convenient for the operation to the dead nut of lock, thereby can improve the firmness that each part is connected, improved product reliability.
In the preferred technical scheme of this application, the coupling member is a half coupling.
In a preferred embodiment of the present application, the shaft portion is connected to the half-coupling by a flat key.
The bevel gear shaft and the half coupling are connected through flat keys, so that the connection is tighter, no meshing gap exists, the requirement of frequent start of the on-site speed reducer is met, and the problem that the splines are easily damaged by rolling keys due to large impact load when the speed reducer is frequently started in the prior art is solved.
In the technical scheme that this application is preferred, the number of teeth of the gear portion of bevel gear axle is 12 ~ 14, the number of teeth of bevel gear is 39 ~ 43. The tooth number of the bevel gear shaft and the bevel gear is increased, so that the tooth surface contact strength and the fatigue life are improved, and the service life of the gear is prolonged.
In the technical scheme of this application preferred, pass through the lid with set up double-frame oil seal structure between the axial region.
The sealing reliability is greatly improved by adopting the through cover and double-framework oil seal sealing.
In the technical scheme of this application preferred, the material of bevel gear axle is the cast steel, and it compares current cast iron material, and toughness is better, and is not fragile, more is fit for the scene of frequent start.
In the technical scheme that this application is preferred, the bearing includes first bearing and second bearing, first bearing sets up in being close to pass through the position of lid, the second bearing sets up in being close to the position of gear portion.
In a preferred embodiment of the present application, the first bearing and the second bearing are broadside bearings.
The bearing adopts the broadside bearing, has increased the lifting surface area, can effectual extension bearing life.
In the technical scheme that this application preferred, the retainer cup with the one end that the lid is connected sets up a plurality of installation positions along circumference range, wherein, when the reduction gear is in the user state, be located the installation position of the central cross section below of retainer cup is the screw, is located the installation position of the central cross section top of retainer cup is the bar groove, the outside in bar groove extends to and runs through the lateral wall of retainer cup.
Through the transformation of the mounting position on the sleeve cup, the disassembly of the equipment is facilitated, and the maintenance time is greatly reduced during maintenance.
A second object of the present application is to provide a mining dispatching winch, which comprises a vehicle body and the speed reducer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of a prior art retarder for a mining dispatch winch;
FIG. 2 is a schematic diagram of a retarder for a mining dispatch winch provided in an embodiment of the present application;
fig. 3 is a schematic end view of a sleeve provided in an embodiment of the present application.
Reference numbers in the figures:
10' -shaft coupling; 20' -a bearing cap; 30' -a sealing cover; 40' -a bearing sleeve; 50' -bevel gear shaft; 60' -bevel gears;
10-half coupling; 20-transparent cover; 31-a first bearing; 32-a second bearing; 33-locking the nut; 40-a retainer cup; 41-a strip groove; 42-screw hole; 50-bevel gear shaft; 60-bevel gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
First embodiment
The embodiment provides a mining dispatching winch speed reducer, which comprises a sleeve cup 40, a bevel gear shaft 50, a bevel gear 60, a transparent cover 20 and a coupling part, as shown in figures 1 to 3;
the sleeve cup 40 is a cylinder structure with two open ends, the transparent cover 20 is covered at one end of the sleeve cup 40, the bevel gear shaft 50 is arranged in the sleeve cup 40 through a bearing, the shaft part of the bevel gear shaft 50 penetrates through the transparent cover 20 and extends out of one end of the sleeve cup 40, and the gear part of the bevel gear shaft 50 extends out of the other end of the sleeve cup 40;
the inner wall of the sleeve cup 40 is provided with a limit step, the bearing comprises a first bearing 31 and a second bearing 32, wherein the first bearing 31 is arranged at a position close to the transparent cover 20 and abuts against one limit step on the inner wall of the sleeve cup 40, and the second bearing 32 is arranged at a position close to the gear part and also abuts against one limit step on the inner wall of the sleeve cup 40. The locking nut 33 is fitted over the bevel gear shaft 50 to fixedly connect the bevel gear shaft 50 to the inner race of the first bearing 31.
The shaft portion of the bevel gear shaft 50 is connected to the coupling member, and the gear portion of the bevel gear shaft 50 is engaged with the bevel gear 60.
In this scheme, used transparent cover 20 to replace bearing cap 20' among the prior art to with the axial region extension of bevel gear axle 50 and stretch out retainer cup 40, thereby made things convenient for the connection of bevel gear axle 50 and shaft coupling spare, can make the dead lock nut 33 on the bevel gear axle 50 outwards remove simultaneously, also made things convenient for the operation to dead lock nut 33, thereby can improve the firmness of each part connection, improved product reliability.
In the present embodiment, the coupling member is a half coupling 10, and the half coupling 10 and the shaft portion of the bevel gear shaft 50 are connected by a flat key at a portion passing through the transparent cover 20.
After the coupling part adopts the half coupling 10, the disassembly and the replacement are convenient, and the maintenance is convenient;
the bevel gear shaft 50 and the half coupling 10 are connected in a flat key connection mode, so that the connection is tighter, no meshing gap exists, the requirement of frequent start of a field speed reducer is met, and the problem that a spline is easily damaged by rolling keys due to large impact load when the speed reducer is frequently started in the prior art is solved.
In a more preferable embodiment of the present invention, the number of teeth of the gear portion of the bevel gear shaft 50 is 12 to 14, and the number of teeth of the bevel gear 60 is 39 to 43. For example, the number of teeth of the gear portion of the bevel gear shaft 50 may be selected to be 13, and the number of teeth of the bevel gear 60 may be selected to be 41.
In the prior art, the number of teeth of the bevel gear shaft 50 'and the bevel gear 60' is 10 and 37, respectively, and in the present embodiment, the number of teeth of the bevel gear shaft 50 and the bevel gear 60 is increased, thereby improving the tooth surface contact strength and fatigue life, and extending the lifespan of the gear.
In addition, in a more preferable embodiment of the present invention, the bevel gear shaft 50 is made of cast steel, and a fixing method of a full-length key hot-fitted coupling is adopted, which has better toughness and is less likely to be damaged and more suitable for a frequent start-up scene than the existing fixing method of a cast iron material and a spline cold-fitted coupling.
In a more preferred embodiment of the present invention, a double-frame oil seal structure is provided between the transparent cover 20 and the shaft portion of the bevel gear shaft 50. The sealing reliability is greatly improved by adopting the through cover and double-framework oil seal sealing.
In a more preferable scheme of this embodiment, the first bearing 31 and the second bearing 32 are broadside bearings, so that the stress area is increased, and the service life of the bearing can be effectively prolonged.
It should be noted that, the broadside bearing and the double-skeleton oil seal structure are all in the prior art, and therefore, detailed descriptions of specific structures thereof are omitted.
In the preferred technical solution of this embodiment, a plurality of installation positions arranged along the circumferential direction are arranged at one end of the sleeve cup 40 connected to the transparent cover 20, wherein when the speed reducer is in a use state, the installation position located below the central cross section of the sleeve cup 40 is a screw hole 42, the installation position located above the central cross section of the sleeve cup 40 is a strip-shaped groove 41, and the outer side of the strip-shaped groove 41 extends to penetrate through the side wall of the sleeve cup.
Through the transformation of the mounting position on the sleeve cup 40, the disassembly of the equipment is facilitated, and the maintenance time is greatly reduced during maintenance.
Second embodiment
The embodiment provides a mining dispatching winch, which comprises a winch body and a speed reducer provided in the first embodiment.
The mining dispatching winch has the advantages of the speed reducer in the first embodiment, and the description is omitted.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A mining dispatching winch reducer is characterized by comprising a sleeve cup, a bevel gear shaft, a bevel gear, a transparent cover and a coupling piece;
the transparent cover is arranged at one end of the sleeve cup, the bevel gear shaft is arranged in the sleeve cup through a bearing, the shaft part of the bevel gear shaft penetrates through the transparent cover and extends out of one end of the sleeve cup, and the gear part of the bevel gear shaft extends out of the other end of the sleeve cup;
the shaft part is connected with the coupling member, and the gear part is in meshing connection with the bevel gear;
the one end that the retainer cup with pass through the lid and connect sets up a plurality of installation positions of arranging along circumference, wherein, when the reduction gear is in the user state, be located the installation position of the central cross section below of retainer cup is the screw, is located the installation position of the central cross section top of retainer cup is the bar groove, the outside in bar groove extends to and runs through the lateral wall of retainer cup.
2. The mining dispatch winch retarder of claim 1, wherein the coupling member is a half coupling.
3. The mining dispatch winch retarder of claim 2, wherein the shaft portion is connected to the coupling half by a flat key.
4. The mining dispatch winch reducer of claim 1, wherein the number of teeth of the gear portion of the bevel gear shaft is 12-14, and the number of teeth of the bevel gear is 39-43.
5. The mining dispatch winch retarder of claim 1, wherein a double-skeleton oil seal structure is disposed between the transparent cover and the shaft portion.
6. The mining dispatch winch retarder of claim 1, wherein the bevel gear shaft is cast steel.
7. The mining dispatch winch retarder of claim 1, wherein the bearing comprises a first bearing disposed proximate the transparent cover and a second bearing disposed proximate the gear portion.
8. The mining dispatch winch retarder of claim 7, wherein the first and second bearings are broadside bearings.
9. A mining dispatching winch is characterized by comprising a vehicle body and the speed reducer of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714636.6U CN213929310U (en) | 2020-11-20 | 2020-11-20 | Mining dispatching winch speed reducer and mining dispatching winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714636.6U CN213929310U (en) | 2020-11-20 | 2020-11-20 | Mining dispatching winch speed reducer and mining dispatching winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929310U true CN213929310U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714636.6U Active CN213929310U (en) | 2020-11-20 | 2020-11-20 | Mining dispatching winch speed reducer and mining dispatching winch |
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| Country | Link |
|---|---|
| CN (1) | CN213929310U (en) |
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- 2020-11-20 CN CN202022714636.6U patent/CN213929310U/en active Active
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